Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Cash Distribution Cash Distribution [Member] Accelerate Share Repurchase [Axis] Accelerated Share Repurchase [Axis] Accelerated Share Repurchase [Axis] Trading Arrangement: Trading Arrangement [Axis] Maximum Maximum Maximum [Member] Amortization of net losses of pension and postretirement benefit plans Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Year one Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff Short-Term Debt, Type [Axis] Short-Term Debt, Type [Axis] Title of 12(b) Security Title of 12(b) Security Subsequent Event Subsequent Event [Member] Carrying amount Reported Value Measurement [Member] Munis Payable from US Treasure Securities Proceeds Munis Payable from US Treasure Securities Proceeds [Member] Munis payable from US treasure securities proceeds [Member] Net accretion of discounts and amortization of premiums and deferred fees Net Accretion Of Discounts Amortization Of Premiums And Deferred Fees Net Accretion Of Discounts Amortization Of Premiums And Deferred Fees Schedule of Nonrecurring Fair Value Measurements Fair Value Measurements, Nonrecurring [Table Text Block] Adjustment to Compensation, Amount Adjustment to Compensation Amount Pledged Status [Axis] Pledged Status [Axis] Non-accrual with no allowance Loans in non-accrual status with no allowance Financing Receivable, Nonaccrual, No Allowance Financial Instrument [Axis] Financial Instrument [Axis] Financing Receivable, Nonaccrual [Table] Financing Receivable, Nonaccrual [Table] Accrued income receivable Increase (Decrease) in Interest and Dividends Receivable Segment Reporting [Abstract] Segment Reporting [Abstract] Obligations Type [Axis] Obligations Type [Axis] Obligations Type[Axis] Owner occupied Commercial real estate Owner occupied CRE Owner occupied Commercial Real Estate Owner Occupied [Member] Commercial loans related to one to four-unit investment properties. The property is occupied by the owner. Loans held-in-portfolio Loans, Mortgage-Backed, Held-to-Maturity, Fair Value Disclosure Loans, Mortgage-Backed, Held-to-Maturity, Fair Value Disclosure Mortgage servicing assets, at fair value Total servicing assets Mortgage servicing rights Servicing Asset at Fair Value, Amount Measurement Frequency [Axis] Measurement Frequency [Axis] Total financed sales of foreclosed assets Financed Sales Of Other Foreclosed And Real Estate Assets Total of value transferred out of other real estate and foreclosed assets (other property) in noncash transactions. Junior Subordinated Debt Junior Subordinated Debt [Member] Premises and equipment and other productive assets Proceeds from Sale of Productive Assets Puerto Rico PR PUERTO RICO Consolidated Entities [Axis] Consolidated Entities [Axis] Loans held-in-portfolio measurement input Loans Held-In-Portfolio Measurement Input Loans Held-In-Portfolio Measurement Input Gross unrealized losses - After 1 to 5 years Available For Sale Debt Securities Accumulated Gross Unrealized Loss After One Through Five Years Available For Sale Debt Securities Accumulated Gross Unrealized Loss After One Through Five Years Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Other debt securities held-to-maturity Other Held to Maturities Securities Other Held to Maturities Securities Investment Portfolio Securities Investment [Member] Construction lines of credit Construction Lines Of Credit [Member] Construction Lines Of Credit [Member] Bank loan origination Bank loan origination Origination of bank loans Doubtful Doubtful [Member] Deposits Deposit Liabilities Disclosures [Text Block] Other temporary differences Deferred Tax Liabilities, Other Performance Award [Axis] Performance Award [Axis] Performance Award [Axis] Other prepaid expenses Prepaid Expense Other Current Noncurrent Represents expenses paid in advance to be amortized during a pre-determined period of time such as insurance premiums, workmen compensation, software packages, software licenses, maintenance contracts, commissions and other prepaid expenses. Loans held-in-portfolio Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process Consolidated Entities [Domain] Consolidated Entities [Domain] Schedule of Debt Securities, Held-to-Maturity Debt Securities, Held-to-Maturity [Table Text Block] Related party transactions Related Party Transactions Disclosure [Text Block] Total, Gross unrealized losses Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss Common stock, par value per share (in dollars per share) Common Stock, Par or Stated Value Per Share Net decrease in money market investments Change In Money Market Investments Change In Money Market Investments Reclassifications Out of Accumulated Other Comprehensive Loss Reclassification out of Accumulated Other Comprehensive Income [Member] Net gain, including impairment on equity securities Equity Securities Realized Gain Loss Impairment Equity Securities Realized Gain Loss Impairment Other intangible assets Intangible Asset, Excluding Goodwill, after Accumulated Amortization Non-vested at beginning of period (in shares) Non-vested at end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Schedule of Financing Receivable Modified for Debtors Experiencing Financial Difficulty Financing Receivable, Modified [Table Text Block] Asset Not Pledged as Collateral Asset Not Pledged as Collateral and Asset Pledged as Collateral without Right [Member] Net increase (decrease) in: Increase (Decrease) in Accounts Payable and Accrued Liabilities [Abstract] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Construction Construction Loans [Member] Number of reportable segments Number of Reportable Segments Less - Unearned income Loans held-in-portfolio, unearned income Unearned Income Reflects principally the unearned financing income associated with finance lease receivables Debit card fees Debit Card Fees [Member] Debit card fees include, but are not limited to, interchange fees, surcharging income and foreign transaction fees. Allowance for credit losses - PCD Loans Off Balance Sheet Credit Loss Liability Deteriorated Loans Off Balance Sheet Credit Loss Liability Deteriorated Loans Short-Term Debt, Type [Domain] Short-Term Debt, Type [Domain] Assets sold under agreements to repurchase Securities Sold under Agreements to Repurchase [Member] Entity Address, City or Town Entity Address, City or Town Schedule Of Repurchase Agreements [Table] Schedule Of Repurchase Agreements [Table] Tabular disclosure of repurchase agreements by type of investment and by time period. Reclassification of loan held-in-portfolio to loan held-for-sale Financing Receivable, Sale and Reclassification to Held-for-Sale Shares of restricted stock (in shares) Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period FHLB stock Federal Home Loan Bank Stock Share-based compensation arrangement Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Class of Financing Receivable [Domain] Financing Receivable [Domain] Class of Financing Receivable [Domain] Receivables [Abstract] Receivables [Abstract] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Title and Position [Domain] Title and Position [Domain] 2028 Time Deposit Maturities, Year Two Net Carrying Value Net Carrying Value Intangible Asset, Finite-Lived, after Accumulated Amortization Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Return of capital from equity method investments Proceeds from Equity Method Investment, Distribution, Return of Capital Other consumer unused credit commitments Other Loan Commitments [Member] Other Loan Commitments Level 2 Fair Value, Inputs, Level 2 [Member] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] 90 days or more Financial Asset, Equal to or Greater than 90 Days Past Due [Member] United States US UNITED STATES Parent Company Parent Company [Member] Other foreclosed assets - write downs Other Foreclosed Assets Write Downs Other Foreclosed Assets Write Downs Subsequent Event Type [Axis] Subsequent Event Type [Axis] Fair value of stocks vested Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested At Grant Date Fair Value Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value. Equipment expenses Equipment Expense Schedule of Long-Term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] After 10 years More Than Ten Years From Balance Sheet Date [Member] More Than Ten Years From Balance Sheet Date Savings accounts Deposits, Savings Deposits Schedule of Segment Reporting Segment Reporting [Table Text Block] Use of Estimates in the Preparation of Financial Statements Use of Estimates, Policy [Policy Text Block] Related and Nonrelated Parties [Axis] Related and Nonrelated Parties [Axis] Total other comprehensive income, net of tax Other comprehensive income, net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Guarantor Obligations [Line Items] Guarantor Obligations [Line Items] Fair value - After 1 to 5 years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Debt securities served as collateral for public funds Pledged Financial Instruments Not Separately Reported Debt Securities Pledged For Public Funds The carrying amount, as of the date of the latest financial statement presented, of debt securities which are owned but transferred to serve as collateral for the payment of public funds. Document Period End Date Document Period End Date Other service fees Other Services [Member] Other Services Carrying Value Net of Allowance - After 5 to 10 Years Held for Maturities Net of Allowance For Credit Losses After Five Through Ten Years Held for Maturities Net of Allowance For Credit Losses After Five Through Ten Years Preferred stock, shares outstanding (in shares) Preferred stock - balance at beginning of period (in shares) Preferred stock - balance at end of period (in shares) Preferred Stock, Shares Outstanding Gross unrealized losses Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax [Abstract] Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax [Abstract] Unrealized benefit (expense) due to holding gains or losses on debt securities arising during the period OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax Weighted average yield - Within 1 year Debt Securities, Available-for-Sale, Weighted Average Yield, Maturity, Year One Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Amortized cost - After 10 years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10 Assets sold under agreements to repurchase Repurchase liability Securities Sold under Agreements to Repurchase Supplemental disclosure on the consolidated statements of cash flows Cash Flow, Supplemental Disclosures [Text Block] Deferred loan origination fees/cost Deferred Tax Liabilities Deferred Expense Deferred Loan Origination fees Deferred Tax Liabilities Deferred Expense related to deferred loan origination fees. Income tax benefit (expense) Income tax benefit (expense) Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent Fair market value of stock vested Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Accumulated other comprehensive loss, net of tax Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Consolidation Items [Domain] Consolidation Items [Domain] 2031 and thereafter Time Deposit Maturities After Year Four Amount of time deposit maturing after fourth fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Mortgage Mortgages [Member] Net income per common share Earnings Per Share [Text Block] Earnings Per Share [Abstract] Earnings Per Share [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Financial Guarantee Financial Guarantee [Member] Total liabilities Liabilities Trading Symbol Trading Symbol Gross unrealized gains - Within 1 year Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax Within One Year Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax Within One Year Schedule of Activity Related to Other Real Estate Owned Other Real Estate Owned Roll Forward [Table Text Block] Tabular disclosure of the change in other real estate owned including foreclosed property taken in settlement of troubled loans. Acquisition of premises and equipment and other productive assets Payments to Acquire Property, Plant, and Equipment Transfers from loans held-for-sale to loans held-in-portfolio Loan, Transfer from Held-for-Sale to Held-in-Portfolio Deferred tax assets Deferred Tax Assets Liabilities Net Before Valuation Allowance Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences. Financing Receivable, Allowance for Credit Loss [Line Items] Financing Receivable, Allowance for Credit Loss [Line Items] Total savings, NOW, money market and other interest-bearing demand deposits Deposits Savings Negotiable Order Of Withdrawal N O W Money Market Account And Other Demand Deposits Deposits, Savings, Negotiable Order of Withdrawal (NOW), Money Market Account and Other Demand Deposits Company Selected Measure Name Company Selected Measure Name Gains (losses) included in OCI Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) Available-for-sale Payments to Acquire Debt Securities, Available-for-Sale Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Deposits Interest Expense, Deposits Average reserve required with federal reserve bank Average Reserve Required With Federal Reserve Bank Amount of average reserve balances required by federal and state regulatory agencies. Fair value - After 1 to 5 years Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five BHD LEON BHD LEON [Member] Centro Financiero BHD Leon, S.A. Loans and leases receivable Loans and Leases Receivable, Consumer, Mortgage with PRHA Amount before allowance of consumer mortgage held and guaranteed by the Puerto Rico Housing Authority. Percentage of exposure municipal loans and securities Exposure Municipal Loans And Securities, Percentage The Corporations exposure to municipal loans and securities was concentrated in the municipalities of San Juan, Guaynabo, Carolina and Bayamon. Credit Facility [Domain] Credit Facility [Domain] Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Other foreclosed assets Other Foreclosed Assets Fair Value Disclosure Increase Decrease Fair value portion of other foreclosed assets during the end of the reporting period. Non-accrual loans Financing Receivable, Nonaccrual Allowance for credit losses - Within 1 Year Held To Maturity Securities Allowance for Credit Losses Year One Held To Maturity Securities Allowance for Credit Losses Year One Weighted average yield - After 10 years Debt Securities, Held-to-Maturity, Weighted Average Yield, Maturity, after Year 10 Allowance for credit losses - loans held-in-portfolio Allowance for Credit Losses [Text Block] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Other temporary differences Deferred Tax Assets, Other U.S. Treasury securities US Treasury Securities [Member] Dividends payable Dividends Payable Financing Receivable, Modified [Line Items] Financing Receivable, Modified [Line Items] Entities [Table] Entities [Table] Loans Loans Receivable, Fair Value Disclosure Increase Decrease Fair value portion of loans during the end of the reporting period. Commitments to extend credit: Commitments to Extend Credit [Member] 2030 Debt Maturities Repayments Of Principal In Year Five Amount of borrowings maturing in year five following the date of the latest balance sheet presented in the financial statements. Other debt securities available-for-sale Other Available For Sale Securities Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), not pledged as collateral. Available borrowing facility Line of Credit Facility, Current Borrowing Capacity Average potential dilutive common shares (in shares) Weighted Average Number of Shares Outstanding, Diluted, Adjustment Schedule of Changes in Level 3 Assets and Liabilities Measured at Fair Value on a Recurring Basis Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Gross unrealized gains - After 5 to 10 years Held To Maturity Securities Accumulated Unrecognized Holding Gain After Five Through Ten Years Held To Maturity Securities Accumulated Unrecognized Holding Gain After Five Through Ten Years Outstanding commitments to lend additional funds to debtors Financing Receivable, Modified, Commitment to Lend Award Timing Predetermined Award Timing Predetermined [Flag] Book Value - After 1 to 5 years Debt Securities, Held-to-Maturity Measured at Carrying Value Within One through five years Debt Securities, Held-to-Maturity Measured at Carrying Value Within One through five years Interest income: Interest and Dividend Income, Operating [Abstract] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Level 1 Fair Value, Inputs, Level 1 [Member] Residential Mortgage Loans Insured By FHA Residential Mortgage Loans Insured By FHA [Member] Residential Mortgage Loans Insured By FHA [Member] Effective tax rate Effective Income Tax Rate Reconciliation, Percent Debt securities available-for-sale, at fair value: Debt Securities, Available-for-Sale [Abstract] Net income (loss) Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Commercial real estate loans Commercial real estate loan [Member] Commercial real estate loan [Member] Servicing rights on whole loan sales, principal balance outstanding Loan, Securitized or Asset-Backed Financing Arrangement, Principal Outstanding Allowance for credit losses - unfunded commitments: Off-Balance-Sheet, Credit Loss, Liability [Roll Forward] Deferred tax liabilities: Deferred Tax Liabilities, Gross [Abstract] Class of Financing Receivable [Axis] Class of Financing Receivable [Axis] Wholly-owned subsidiary percentage Wholly Owned Subsidiary Percentage Wholly-owned subsidiaries percentage. Postretirement and pension benefits Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits Other liabilities Other Liabilities Disclosure [Text Block] Vesting [Domain] Vesting [Domain] Operating ROU assets Operating Lease, Right-of-Use Asset Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Axis] Amortized cost - Within 1 year Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Debt securities available-for-sale Debt securities held-to-maturity Investment in Debt and Equity Securities and Other Trading Assets [Text Block] Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] Expiration Date Trading Arrangement Expiration Date Gross unrealized gains, Total Debt Securities, Held-to-Maturity, Accumulated Unrecognized Gain Restricted cash and cash equivalent Restricted Cash and Cash Equivalent Depreciation and amortization of premises and equipment Depreciation Nonproduction Continued And Discontinued Operations The expense recognized in the current period including continued and discontinued operations that allocates the cost of nonproduction tangible assets over their useful lives. Guarantees from FHA or VA Guarantees from FHA or VA [Member] Guarantees from FHA or VA [Member] BVI VIRGIN ISLANDS, BRITISH Affiliated Entity Affiliated Entity [Member] Gross unrealized gains - Within 1 year Held To Maturity Securities Accumulated Unrecognized Holding Gain Within One Year Held To Maturity Securities Accumulated Unrecognized Holding Gain Within One Year Dividends declared: Dividends [Abstract] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Interest bearing Total interest-bearing deposits Interest-Bearing Deposit Liabilities Securities in wholly owned statutory business trusts Securities In Wholly Owned Statutory Business Trusts [Member] Securities In Wholly Owned Statutory Business Trusts [Member] Revolving Loans Amortized Cost Basis Financing Receivable, Revolving Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Other real estate owned Other Real Estate Owned Fair Value Increase Decrease Fair value portion of real estate owned during the end of the reporting period. Unrecognized share based compensation, cost related to non-vested restricted stock awards and performance shares Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Gross unrealized gains Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax [Abstract] Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax [Abstract] Segments [Domain] Segments [Domain] Borrowings Debt Disclosure [Text Block] Mortgage Servicing Rights Deferred Tax assets, Mortgage Servicing Rights Amount of deferred tax assets attributable to taxable temporary differences from mortgage servicing rights. Gross unrealized gains - After 10 years Held To Maturity Securities Accumulated Unrecognized Holding Gain After Ten Years Held To Maturity Securities Accumulated Unrecognized Holding Gain After Ten Years Total loans held-in-portfolio, net Financing Receivable, after Allowance for Credit Loss Loans booked under the GNMA buy-back option GNMA Loans Repurchase Option Change Change in liability related to Guarantee by Government National Mortgage Association (GNMA) loans repurchase option. Unsecured senior debt securities maturing on 2028 paying interest semiannually at a fixed rate of 7.25%, net of debt issuance costs of $2,723 Fixed Rate With Maturities on 2028 [Member] Fixed Rate With Maturities on 2028 [Member] External appraisal Valuation Technique External Appraisal [Member] Valuation Technique External Appraisal [Member] Non-owner occupied Commercial real estate Non-owner occupied CRE Non-owner occupied Commercial Real Estate Non Owner Occupied [Member] Commercial loans related to one to four-unit investment properties. The property is not occupied by the owner. Trading debt securities Increase (Decrease) in Debt Securities, Trading PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Secured Debt Secured Debt [Member] Accelerate Share Repurchase Accelerated Share Repurchase [Member] Accelerate Share Repurchase [Member] Year four Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff Loans held-for-sale, at fair value Financing Receivable, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance Fair value Debt Securities, Available-for-Sale, Fair Value, Fiscal Year Maturity [Abstract] Personal Consumer Loan [Member] Difference in outside basis from pass-through entities Deferred Tax Assets, Investment in Subsidiaries Carrying Value Net of Allowance - After 1 to 5 Years Held for Maturities Net of Allowance For Credit Losses After One Through Five Year Held for Maturities Net of Allowance For Credit Losses After One Through Five Year Payments to acquire equity method investments Payments to Acquire Equity Method Investments Note payable, interest rate Debt Instrument, Interest Rate, Stated Percentage Common stock Dividends, Common Stock, Cash Total stockholders’ equity Beginning balance Ending balance Equity, Attributable to Parent % of total class of Financing Receivable Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage Assets for pension benefit Assets for Plan Benefits, Defined Benefit Plan Assets: Assets [Abstract] Trades receivable from brokers and counterparties Receivable from Broker-Dealer and Clearing Organization Leasing Leasing Finance Leases Portfolio Segment [Member] Mortgage banking activities Mortgage Banking Activities The net income attributable to mortgage banking activities. This includes net servicing income and market valuations related to mortgage servicing rights and mortgage banking derivatives. It also includes gain on sales and securitizations of residential mortgage loans, losses on repurchased loans, including interest advances, and trading gains and losses on derivative contracts used to hedge the Corporation's securitization activities. Other investments Other Investments Other-Than-Insignificant Payment Delays Other than insignificant payment delay Payment Deferral [Member] Allowance for credit losses - PCD Loans Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date Amortized cost, Total Debt Securities, Available-for-Sale, Amortized Cost Deposit Deposit Liability [Line Items] Schedule of Financing Receivable Credit Quality Indicators Financing Receivable Credit Quality Indicators [Table Text Block] Nonrecurring Fair Value, Nonrecurring [Member] Professional fees Professional Fees Insider Trading Policies and Procedures [Line Items] Performance Based Shares Performance Shares [Member] Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Difference Fair Value, Option, Loans Held as Assets, Aggregate Amount in Nonaccrual Status, Aggregated Difference Financed sale of premises and equipment Financed Sale Of Premises And Equipment Value transferred out of premises and equipment in noncash transactions. Advances with the FHLB, interest rate Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Interest Rate at Period End Entity Central Index Key Entity Central Index Key Net interest income after provision for credit losses Interest Income (Expense), after Provision for Loan Loss Guarantor Obligation [Table] Guarantor Obligation [Table] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Other adjustments Stockholders' Equity, Other Equity securities Increase (Decrease) in Equity Securities, FV-NI Loans With Recourse Loans With Recourse [Member] Represents loans with recourse Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Investment, Name [Axis] Investment, Name [Axis] Preferred stock Dividends, Preferred Stock, Cash Finance Lease Right Of Use Asset Statement Of Financial Position Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Schedule of Deferred Income Tax Assets and Liabilities [Table] Schedule of Deferred Income Tax Assets and Liabilities [Table] Schedule of Deferred Income Tax Assets and Liabilities [Table] Unrealized net loss on investment securities Deferred Tax Assets Unrealized Losses On Trading and Available for Sale Securities Gross Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (trading and available-for-sale). Weighted average yield Debt Securities, Available-for-Sale, Weighted Average Yield, Maturity [Abstract] Financing Receivable, Modified [Table] Financing Receivable, Modified [Table] Gross unrealized losses - After 1 to 5 years Held To Maturity Securities Accumulated Unrecognized Holding Loss After One Through Five Years Held To Maturity Securities Accumulated Unrecognized Holding Loss After One Through Five Years Restricted Stock Restricted Stock [Member] Accumulated other comprehensive loss Accumulated other comprehensive loss AOCI Attributable to Parent [Member] Schedule of Loan Sales by Classes of Loans Loan Sales By Classes Of Loans [Table Text Block] Tabular disclosure for loan sales by classes of loans. All Individuals All Individuals [Member] Executive Officers Management [Member] Dividends paid Payments of Dividends Reserve of potential losses associated with unfunded loan commitments SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Pledged securities with creditors’ right to repledge Debt Securities, Available-for-Sale, Restricted Unrecognized compensation expected to be recognized over a weighted-average period Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Amortization of unrealized losses of debt securities transfer from available-for- sale to held-to-maturity OCI, Debt Securities, Available-for-Sale, Transfer to Held-to-Maturity, Adjustment from AOCI for Amortization of Gain (Loss), Tax Equity Proceeds from Sale of Other Investments Statement [Line Items] Statement [Line Items] Statement [Line Items] Total assets Total assets Segment assets Assets Term Extension Term extension Extended Maturity [Member] Total interest expense Interest Expense, Operating Schedule of Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Industry Sector [Axis] Industry Sector [Axis] Internal Credit Assessment [Domain] Internal Credit Assessment [Domain] Variable Interest Entity Not Primary Beneficiary Variable Interest Entity, Not Primary Beneficiary [Member] Accounting Standards Update and Change in Accounting Principle [Abstract] Accounting Standards Update and Change in Accounting Principle [Abstract] Other comprehensive income before tax: Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent [Abstract] Assets Sold under Agreements to Repurchase Assets Sold under Agreements to Repurchase [Line Items] Reportable Segments Operating Segments [Member] Amortized cost - Within 1 year Debt Securities, Held-to-Maturity, Amortized Cost Within One Year Debt Securities, Held-to-Maturity, Amortized Cost Within One Year Gross unrealized gains, Total Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Stock-based compensation Share-Based Payment Arrangement [Text Block] Schedule of Amortized Cost Basis of Collateral-dependent Loans Schedule Of Collateral Dependent Financial Assets [Table Text Block] Tabular disclosure of the amortized cost basis of collateral dependent loans by class of loans Other comprehensive (loss) income before reclassifications OCI, before Reclassifications, Net of Tax, Attributable to Parent Net occupancy expenses Occupancy, Net PEO PEO [Member] Non-interest bearing Non- interest-bearing deposits Noninterest-Bearing Deposit Liabilities Net impact to net earnings Net impact to net earnings Net impact to net earnings. Charge-offs Off Balance Sheet Credit Loss Liability Credit Loss Expense Write off Off Balance Sheet Credit Loss Liability Credit Loss Expense Write off Goodwill Goodwill Trading account debt securities, at fair value Trading Securities Not Pledged As Collateral Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading), not pledged as collateral. Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Retained earnings Retained Earnings [Member] Software development costs Software, In-Development, Internally Developed, and Purchased [Member] Fair Value Measurement Fair Value Measurement, Policy [Policy Text Block] Stock based compensation Adjustments To Additional Paid In Capital Share-based Compensation Amount of increase to additional paid-in capital (APIC) from recognition of equity-based compensation. Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, shares, outstanding (in shares) Common Stock - Outstanding (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Foreign currency translation Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Schedule of Carrying Amount and Estimated Fair Value of Financial Instruments with Corresponding Level in the Fair Value Hierarchy Fair Value, by Balance Sheet Grouping [Table Text Block] Financing Receivable, Past Due [Line Items] Financing Receivable, Past Due [Line Items] Net Income per Common Share - Diluted (in dollars per share) Diluted EPS (in dollars per share) Earnings Per Share, Diluted Internal Credit Assessment [Axis] Internal Credit Assessment [Axis] Deposit insurance Federal Deposit Insurance Corporation Premium Expense Provision for credit losses (benefit) Financing Receivable, Credit Loss, Expense (Reversal) Pension and other postretirement benefits obligation Increase (Decrease) in Employee Related Liabilities Amortization of intangibles Intangible Asset, Finite-Lived, Amortization Expense Intangible Asset, Finite-Lived Intangible Asset, Finite-Lived [Line Items] FHLB advances and letters of credit amount used Federal Home Loan Bank Advances And Letters Of Credit Amount Used Amount of advances and letters of credit obtained from the Federal Home Loan Bank (FHLB). Share-Based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Service charges on deposit accounts Revenue from Contract with Customer, Excluding Assessed Tax Performance Shares Quantity Adjustment (in shares) Share-based Compensation Arrangements By Share-based Payment Award, Equity Instruments Other Than Options, Adjustment During Period Share-based Compensation Arrangements By Share-based Payment Award, Equity Instruments Other Than Options, Adjustment During Period Without payment default Financing Receivable Modified Past 12 Months Without Payment Default Amortized cost of financing receivable 12 months after modification for debtor experiencing financial difficulty without payment default. Allowance for credit losses Beginning Balance Ending Balance Financing Receivable, Allowance for Credit Loss Net payments for repurchase of common stock Net payments for repurchase of common stock The cash outflow to reacquire common stock during the period, net of the cash inflow from the issuance of an equity stock that has been previously reacquired by the entity Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Guaranteed U.S. Government Insured or Guaranteed by the U.S. Government or Agencies [Member] Insured or guaranteed by the U.S. Government or its agencies [Member] Schedule of Total Deposits Deposit Liabilities, Type [Table Text Block] Accounting Standards Update and Change in Accounting Principle Accounting Standards Update and Change in Accounting Principle [Table Text Block] Vesting Scenario Three Vesting Scenario Three [Member] Vesting Scenario Three Mortgage-backed securities - federal agencies Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member] Interest payable Increase (Decrease) in Interest Payable, Net Variable Interest Entity, Not Primary Beneficiary, Disclosures [Abstract] Variable Interest Entity, Not Primary Beneficiary, Disclosures [Abstract] Other Real Estate Owned Rollforward Other Real Estate Owned Rollforward [Line Items] Other Real Estate Owned Rollforward [Line Items] Proceeds from calls, paydowns, maturities and redemptions of investment securities: Proceeds from Sale, Maturity and Collection of Investments [Abstract] Stock-based compensation Deferred Compensation Arrangement with Individual, Share-Based Payments [Line Items] Title and Position [Axis] Title and Position [Axis] Sale of loans, including valuation adjustments on loans held-for-sale and mortgage banking activities Gain (Loss) On Sales Of Loans Net Including Mortgage Banking Activities The net gain (loss) resulting from a sale of loans, including adjustments to record loans classified as held-for-sale at the lower-of-cost-or-market, fair value adjustments to loan held for investment purposes and mortgage banking activities. 2026 Time Deposit Maturities, Remainder of Fiscal Year Unsecured senior debt securities Unsecured Senior Debt Securities Fair value portion of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders. Book Value - After 10 years Debt Securities Held-to-Maturity Measured At Carrying Value After Ten Years Debt Securities Held-to-Maturity Measured At Carrying Value After Ten Years Collateral Held [Axis] Collateral Held [Axis] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] After 1 to 5 years More Than One And Within Five Years From Balance Sheet Date [Member] More than One and within Five Years from Balance Sheet Date Liability for GNMA loans sold with an option to repurchase Liability For Gnma Loans Sold With An Option To Repurchase Liability for GNMA loans sold with an option to repurchase. Gross unrealized gains - After 5 to 10 years Available For Sale Debt Securities Accumulated Gross Unrealized Gain After Five Through Ten Years Available For Sale Debt Securities Accumulated Gross Unrealized Gain After Five Through Ten Years Other taxes Taxes, Other Operating Lease Right Of Use Asset Statement Of Financial Position Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Schedule of Changes in the ACL of Loans Held-in-Portfolio and Unfunded Commitments Financing Receivable, Allowance for Credit Loss [Table Text Block] Common stock, shares, issued (in shares) Common stock - balance at beginning of period (in shares) Common stock - balance at end of period (in shares) Common Stock, Shares, Issued Beginning balance Ending balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Entity Information [Line Items] Entity Information [Line Items] Revolving Loans Converted to Term Loans Amortized Cost Basis Financing Receivable, Revolving, Converted to Term Loan, Writeoff Other assets Other Assets Disclosure [Text Block] Sale and administration of investment products Sales And Administration Of Investment Products [Member] Fees from the sale and administration of investment products include, but are not limited to, commission income from the sale of investment products, asset management fees, underwriting fees, and mutual fund fees. Revolving Loans Converted to Term Loans Amortized Cost Basis Financing Receivable, Revolving, Converted to Term Loan 12 months or more, Gross unrealized losses Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Other comprehensive income Comprehensive Income (Loss) Note [Text Block] Product and Service [Domain] Product and Service [Domain] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Sale of foreclosed assets, including write-downs Gains (Losses) on Sales of Other Real Estate Notes payable Long-Term Debt [Member] Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Operating expenses: Noninterest Expense [Abstract] Variable Interest Entity Variable Interest Entity [Line Items] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Gross unrealized losses - Within 1 year Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax Within One Year Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax Within One Year Credit card lines Credit Card [Member] Reclassifications Out of Accumulated Other Comprehensive Loss Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Financing receivable modifications that defaulted Financing Receivable, Modified, Subsequent Default Business promotion Marketing and Advertising Expense Weighted average yield - Within 1 Year Debt Securities, Held-to-Maturity, Weighted Average Yield, Maturity, Year One Termination Date Trading Arrangement Termination Date 2027 Debt Maturities Repayments Of Principal In Year Two Amount of borrowins maturing in year two following the date of the latest balance sheet presented in the financial statements. Subsequent Events [Abstract] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Statutory tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Debt Securities Payable Debt Securities Payable [Member] Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] Within 1 year Within One Year From Balance Sheet Date [Member] Within One Year From Balance Sheet Date [Member] Book Value - After 5 to 10 years Debt Securities Held-to-Maturity Measured At Carrying Value Within Five Through Ten Years Debt Securities Held-to-Maturity Measured At Carrying Value Within Five Through Ten Years Transfers out of Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net Fair Value as of Grant Date Award Grant Date Fair Value Collateral Pledged Total Collateral Pledged [Member] Schedule of Fair Value and Gross Unrealized Losses of Debt Securities Available-for-Sale Unrealized Loss Position Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] Disposition of premises and equipment and other productive assets Gain (Loss) on Disposition of Assets Proceeds from issuances of common stock Proceeds From Issuance Of Stock The cash inflow from the issuance of common stock, preferred stock and treasury stock. Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Arrangement Duration Trading Arrangement Duration Equity securities: Equity Securities [Abstract] Equity Securities [Abstract] Reduced weighted average contractual interest rate before modification Financing Receivables, Modified, Weighted-Average Interest Rate before Modification Financing Receivables, Modified, Weighted-Average Interest Rate before Modification Consolidation Items [Axis] Consolidation Items [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Distribution Type [Domain] Distribution Type [Domain] Less than 12 months, Gross unrealized losses Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Financed sales of other foreclosed assets Transfer To Other Foreclosed Value transferred out of other foreclosed assets (Other Property) in noncash transactions. Repurchase Agreements and Similar Transactions, Maturity Periods [Domain] Repurchase Agreements and Similar Transactions, Maturity Periods [Domain] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Gross Carrying Amount Intangible Asset, Finite-Lived, before Accumulated Amortization Earnings from investments in equity method investees Income (Loss) from Equity Method Investments Sale of equity method investment Equity Method Investment, Realized Gain (Loss) on Disposal Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Collateralized mortgage obligations CMOs classified as trading account debt securities Collateralized Mortgage Obligations [Member] Loan Restructuring Modification [Axis] Loan Restructuring Modification [Axis] Gain on: Loss Gain [Abstract] Loss Gain [Abstract] FHLB advances maximum amount available Federal Home Loan Bank, Advances, General Debt Obligations, Maximum Amount Available Share based compensation arrangement by share based payment award vesting period annum Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Intangible Asset, Finite-Lived, Class [Domain] Intangible Asset, Finite-Lived, Class [Domain] Trust fees Trust Fees [Member] Trust fees are recognized from retirement plan, mutual fund administration, investment management, trustee, escrow, and custody and safekeeping services. FDIC-assisted transaction Deferred Tax Assets other Assets The tax effect as of the balance sheet date due to differences in basis between financial and tax reporting as a results of FDIC-Assisted Transaction. Schedule of Corporation’s Assets and Liabilities Measured at Fair Value on a Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Award Type [Domain] Award Type [Domain] Fair value measurement Fair Value Disclosures [Text Block] Level 3 Fair Value, Inputs, Level 3 [Member] Net increase in: Net Increase Decrease In [Abstract] Net Increase Decrease In [Abstract] Asset Pledged as Collateral Asset Pledged as Collateral [Member] Geographical [Axis] Geographical [Axis] Year two Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff Restricted cash and due from banks Restricted Cash Measured at NAV Fair Value Measured at Net Asset Value Per Share [Member] Home equity lines of credit HELOCs Home Equity Line of Credit [Member] Equity securities (realizable value 2026 - $236,711; 2025 - $230,388) Total equity securities Equity Securities, FV-NI and without Readily Determinable Fair Value Net interest income (expense) Interest Income (Expense), Operating and Nonoperating Other assets Total other assets Total other assets Other Assets 30-59 days Financial Asset, 30 to 59 Days Past Due [Member] Schedule of Amortized Cost Basis of Modified Financing Receivables That Subsequently Defaulted Financing Receivable, Modified, Subsequent Default [Table Text Block] Within 30 days Maturity Less than 30 Days [Member] Common stock purchases Common stock purchases Treasury Stock, Value, Acquired, Cost Method Non-interest income: Noninterest Income [Abstract] Cash and due from banks, and restricted cash at beginning of period Cash and due from banks, and restricted cash at the end of the period Total cash and due from banks, and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Intangible Asset, Finite-Lived [Table] Intangible Asset, Finite-Lived [Table] After 5 to 10 years More Than Five And Within Ten Years From Balance Sheet Date [Member] More than Five and within Ten Years from Balance Sheet Date Obligations of Puerto Rico, States and political subdivisions Obligations of Puerto Rico, States and Political Subdivisions [Member] This category includes information about bonds or similar securities issued by state, city, or local governments of Puerto Rico/US or the agencies operated by state, city, or local governments of Puerto Rico. Year-to-Date gross write-offs Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] Cloud computing arrangements Cloud Computing Arrangements [Member] Cloud computing arrangements [Member] Schedule of Reclassification Out of Accumulated Other Comprehensive Income (Loss) Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Non-NEOs Non-NEOs [Member] Allowance for credit losses - loans: Financing Receivable, Allowance for Credit Loss [Roll Forward] Direct exposure to the puerto rico government by maturity Direct Exposure To The Puerto Rico Government By Maturity [Line Items] Direct Exposure To The Puerto Rico Government By Maturity [Line Items] Ownership interest, percentage Equity Method Investment, Ownership Percentage Unrestricted Stock Unrestricted Stock [Member] Stock without a provision that prohibits sale or substantive sale of an equity instrument for a specified period of time or until specified performance conditions are met. Gross unrealized gains Held To Maturity Securities Accumulated Unrecognized Holding Gain [Abstract] Held To Maturity Securities Accumulated Unrecognized Holding Gain [Abstract] NOW, money market and other interest-bearing demand deposits Deposits, Money Market Deposits and Negotiable Order of Withdrawal (NOW) Investment, Name [Domain] Investment, Name [Domain] USVI Government Direct Exposure USVI Government Direct Exposure [Member] USVI Government Direct Exposure [Member] Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] Amortized cost - After 5 to 10 years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Loss Unlikely to be Collected Financing Receivable [Member] Mortgage-backed securities - federal agencies MBS classified as debt securities available- for-sale Collateralized Mortgage-Backed Securities [Member] Commitments to originate or fund mortgage loans Mortgage Loan Commitments [Member] Mortgage Loan Commitments Statistical Measurement [Axis] Statistical Measurement [Axis] Municipalities From Municipalities [Member] Obligations from PR municipalities that have a specific pledge repayment funding. FHLB advances Long-Term Federal Home Loan Bank Advances Award Type [Axis] Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Reserve for operational losses Other Sundry Liabilities Real Estate Real Estate [Member] Retained earnings Retained Earnings (Accumulated Deficit) Consumer Consumer Portfolio Segment [Member] Other adjustments Other Real Estate Owned Other Adjustments Changes in Othe Real Estate Owned due to reasons other than write downs, additions or sales. Product and Service [Axis] Product and Service [Axis] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common stock Common Stock [Member] Debt securities available-for-sale Debt securities pledged to secure government and trust deposits Debt securities available-for-sale: Debt securities available-for-sale Debt Securities, Available-for-Sale Fair Value, off-Balance-Sheet Risk [Table] Fair Value, off-Balance-Sheet Risk [Table] Purchase of loans Purchase of Loans Purchase of Loans Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Deposits: Deposits, by Type [Abstract] Other Non-US [Member] Total loans transferred to foreclosed assets Transfer From Loans To Foreclosed Assets Total value of loans held-in-portfolio and loans held-for-sale transferred to Other real estate owned and Other property through foreclosure in non-cash transactions. Pension benefit obligation Liability, Defined Benefit Pension Plan Deferred loan origination fees/cost Deferred Tax Assets Tax Deferred Loan Origination Fees Amount before allocation of valuation allowance of deferred tax asset attributable to loan origination fees. Total past due Financial Asset, Past Due [Member] Other Real Estate [Abstract] Other Real Estate [Abstract] Service charges on deposit accounts Service Charges On Deposit Accounts [Member] Service charges on deposit accounts include, but are not limited to, nonsufficient fund fees, overdraft fees and checks stop payment fees. Total liabilities and stockholders’ equity Liabilities and Equity Trades payable to brokers and counterparties Increase (Decrease) in Payable to Broker-Dealer and Clearing Organization Employee Stock Option Share-Based Payment Arrangement, Option [Member] Additions Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Proceeds from sale of investment securities: Payments for (Proceeds from) Investments [Abstract] Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Asset Class [Axis] Asset Class [Axis] Related and Nonrelated Parties [Domain] Related and Nonrelated Parties [Domain] Trading account debt securities, excluding derivatives: Other - trading Trading account debt securities, excluding derivatives Debt Securities, Trading Tabular List, Table Tabular List [Table Text Block] Vesting [Axis] Vesting [Axis] Surplus Additional Paid in Capital Gross unrealized losses - After 10 years Available For Sale Debt Securities Accumulated Gross Unrealized Loss After Ten Years Available For Sale Debt Securities Accumulated Gross Unrealized Loss After Ten Years $250,000 and over Time Deposits 250000 Or More Amount of time deposit liabilities, including certificates of deposit, in denominations of $250,000 or more. Name Awards Close in Time to MNPI Disclosures, Individual Name Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Deferred tax assets: Deferred Tax Assets, Gross [Abstract] Long-Lived Asset, Class [Domain] Long-Lived Asset, Class [Domain] 2029 Debt Maturities Repayments Of Principal In Year Four Amount of borrowings maturing in year four following the date of the latest balance sheet presented in the financial statements. Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Axis] Gross unrealized losses - After 5 to 10 years Held To Maturity Securities Accumulated Unrecognized Holding Loss After Five Through Ten Years Held To Maturity Securities Accumulated Unrecognized Holding Loss After Five Through Ten Years Junior subordinated deferrable interest debentures (related to trust preferred securities) with maturities ranging from 2026 to 2034 with fixed interest rates ranging from 6.13% to 6.56%, net of debt issuance costs of $221 Fixed Rate Junior Subordinated Deferrable Interest Debentures Maturities on 2034 [Member] Fixed Rate Junior Subordinated Deferrable Interest Debentures Maturities on 2034 [Member] Preferred stock, 30,000,000 shares authorized; 885,726 shares issued and outstanding (2025 - 885,726) Preferred Stock, Value, Issued Adjustment to Compensation: Adjustment to Compensation [Axis] Trades receivable from brokers and counterparties Increase (Decrease) in Receivable from Broker-Dealer and Clearing Organization Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Prepaid taxes Prepaid Taxes Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] 60-89 days Financial Asset, 60 to 89 Days Past Due [Member] Credit Facility [Axis] Credit Facility [Axis] Total assets measured at fair value on a recurring basis Assets, Fair Value Disclosure Schedule of Repurchase Agreements Schedule of Repurchase Agreements [Table Text Block] Foreclosed assets Proceeds from Sale of Foreclosed Assets Interest capitalized on loans subject to the temporary payment moratorium or loss mitigation alternatives Interest Capitalized Loans Subject Temporary Payment Moratorium Amount of interest capitalized during the period on loans subject to the temporary payment moratorium in noncash transactions Name Measure Name Realizable value of equity securities Realizable Value Of Equity Securities Realizable value of equity securities. Pay vs Performance Disclosure [Line Items] Yield Measurement Input, Yield [Member] Measurement Input, Yield Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Demand deposits Demand Deposit Accounts Write-downs in value Other real estate owned - write downs Other Real Estate Owned Write Downs Write downs to other real estate owned. Debt securities held-to-maturity (fair value 2026 - $6,176,976; 2025 - $7,363,587) Held-to-Maturity Securities Book Value Book value amount of investment in debt security (held-to-maturity) including unrealized loss from securities transferred from available-for-sale portfolio to the held-to-maturity portfolio. Loans - write-downs Fair Value Measurement Write Downs Write-down adjustments to non-recurring fair value measurements. Debt Instrument Debt Instrument [Line Items] Trigger windfall Windfall Net Of Shortfall Gross amount of windfall, net of shortfall, prior to deferred tax asset valuation allowance. Central Government From PR Central Government [Member] From PR Central Government [Member] Loans Interest and Fee Income, Financing Receivable Surplus Additional Paid-in Capital [Member] Equipment Equipment [Member] Gross unrealized gains - After 1 to 5 years Held To Maturity Securities Accumulated Unrecognized Holding Gain After One Through Five Years Held To Maturity Securities Accumulated Unrecognized Holding Gain After One Through Five Years Weighted average yield - After 5 to 10 years Debt Securities, Available-for-Sale, Weighted Average Yield, Maturity, after Year 5 Through 10 Schedule of Financial Instruments with Off-Balance Sheet Credit Risk Schedule of Fair Value, off-Balance-Sheet Risks [Table Text Block] Acquisition of loan portfolios Payment for Acquisition, Loan, Held-for-Investment Guarantor Obligations, Nature [Domain] Guarantor Obligations, Nature [Domain] Accrued expenses Accrued Liabilities Accrued income receivable Interest Receivable Name Trading Arrangement, Individual Name Loans transferred to other real estate Transfers Of Loans To Other Real Estate Owned Value of loans held-in-portfolio and loans held-for-sale transferred to Other real estate through foreclosure in non-cash transactions. Weighted average life Measurement Input, Expected Term [Member] Purchases of investment securities: Payments to Acquire Investments [Abstract] USVI Government And Public Corporations From USVI Government And Public Corporations [Member] From USVI Government And Public Corporations [Member] Proceeds from sale of loans Proceeds from Sale of Loans Receivable Company Selected Measure Amount Company Selected Measure Amount Loans transferred to other property Transfers Of Loans To Other Property Value of loans held-in-portfolio and loans held-for-sale transferred to Other property through foreclosure in non-cash transactions. Accounts and Financing Receivables [Table] Accounts and Financing Receivables [Table] Auto Collateralized Auto Loans [Member] Recognition of mortgage servicing rights on securitizations or asset transfers Recognition Of Mortgage Servicing Rights On Securitizations Or Asset Transfers Recognition of Mortgage Servicing Rights on Securitizations or Asset Transfers Non-PEO NEO Non-PEO NEO [Member] Depreciation expense Depreciation, Nonproduction Total operating expenses Noninterest Expense Loans securitized into investment securities Proceeds from Securitization, Loan, Held-for-Investment Deferred Compensation Arrangement with Individual, Share-Based Payment [Table] Deferred Compensation Arrangement with Individual, Share-Based Payment [Table] Award Timing Method Award Timing Method [Text Block] Net decrease in cash and due from banks, and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Total gross deferred tax assets Deferred Tax Assets, Gross Net deferred tax assets (net of valuation allowance) Deferred Tax Assets, Net of Valuation Allowance Net Income Net income Net Income (Loss) Attributable to Parent Long-Term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Location, Statement of Financial Position, Balance [Axis] Location, Statement of Financial Position, Balance [Axis] Year two Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year Financing Receivable, Past Due [Table] Financing Receivable, Past Due [Table] Restatement Determination Date: Restatement Determination Date [Axis] Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Other comprehensive income Other Comprehensive Income Related to Foreign Currency Translation Adjustments and Changes in the Fair Value of Available for Sale Securities Other Comprehensive Income Related to Foreign Currency Translation Adjustments and Changes in the Fair Value of Available for Sale Securities Recoveries Financing Receivable, Allowance for Credit Loss, Recovery Unsecured personal loans Unsecured personal loans [Member] Unsecured personal loans [Member] Schedule of Other Assets by Major Categories Schedule of Other Assets [Table Text Block] Brokered deposits Interest-Bearing Domestic Deposit, Brokered Guarantee Type Guarantee Type, Other [Member] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Statistical Measurement [Domain] Statistical Measurement [Domain] Document Fiscal Year Focus Document Fiscal Year Focus Other operating expenses Noninterest Expense Other The aggregate amount of non-interest expenses categories separately presented in the balance sheet except for amortization of intangibles, depreciation expense and loss on early extinguishment of debt. Shares RSUs / Restricted stock Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Repurchased loans Repurchased loans Unpaid principal amount of loans repurchased. Allowance for credit losses Deferred Tax Asset, Tax Deferred Expense, Reserve and Accrual, Financing Receivable, Allowance for Credit Loss Total deposits Total deposits Deposits Deposits Common stock, $0.01 par value; 170,000,000 shares authorized; 104,950,834 shares issued (2025 - 104,921,229) and 63,866,681 shares outstanding (2025 - 65,719,385) Common Stock, Value, Issued Interest expense Interest Expense, Operating and Nonoperating Payments related to tax withholding for share-based compensation Payment, Tax Withholding, Share-Based Payment Arrangement Award requisite service period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Requisite Service Period Commitments to extend credit: Unused Commitments to Extend Credit Communications Communication Restatement Determination Date Restatement Determination Date PR Government Indirect Exposure PR Government Indirect Exposure [Member] Corporation's indirect exposure to the Puerto Rico government, instrumentalities and municipalities. Schedule Of Revenues And Selected Balance Sheet Information By Geographic Area Schedule Of Revenues And Selected Balance Sheet Information By Geographic Area [Table Text Block] Tabular disclosure of revenues and selected balance sheet information from external customers by geographic areas. Other operating expenses Other operating expenses Other Noninterest Expense Investment securities Investment securities Revenue from Investment Securities Revenue from Investment securities. Postretirement benefit obligation Liability, Other Postretirement Defined Benefit Plan Net change in receivables from investments maturities Change Receivables From Investment Maturities Change on amount receivable from investment securities matured but cash has not been received by the entity. Amendment Flag Amendment Flag Net proceeds from sale of equity method investment Proceeds from Sale of Equity Method Investments Debt securities net unrealized loss remaining in AOCI included in book value for AFS securities transferred to HTM securities Debt Securities Net Unrealized Loss Remaining In AOCI Included In Book Value For AFS Securities Transferred To HTM Securities Amount of investment in debt security measured at carrying value which includes net unrealized loss which remains in Accumulated other comprehensive income related to certain securities transferred from the Available for Sale securities portfolio to the Held to Maturity securities portfolio. Principal payments of finance leases Finance Lease, Principal Payments Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax, Portion Attributable to Parent FRB stock Federal Reserve Bank Stock Gross unrealized losses, Total Gross unrealized losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Standby letters of credit Standby Letters of Credit [Member] Schedule of Amortized Cost, Gross Unrealized Gains and Losses, Fair Value, Weighted Average Yield and Contractual Maturities of Debt Securities Available-for-Sale Debt Securities, Available-for-Sale [Table Text Block] Federal Home Loan Bank Federal Home Loan Bank Advances [Member] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Balance at beginning of period Ending balance Other Real Estate, Foreclosed Assets, and Repossessed Assets Equity Payments to Acquire Equity Securities, FV-NI PEO Total Compensation Amount PEO Total Compensation Amount Assets Financial Assets: Assets, Fair Value Disclosure [Abstract] 2027 Time Deposit Maturities, Year One Average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Legal proceedings Loss Contingency, Range of Possible Loss, Portion Not Accrued Aggregate Unpaid Principal Balance Fair Value, Option, Loans Held as Assets, Aggregate Amount in Nonaccrual Status Financing Receivable, Credit Quality Indicator [Line Items] Financing Receivable, Credit Quality Indicator [Line Items] Proceeds from sale of: Proceeds From Sale [Abstract] Proceeds From Sale [Abstract] Time deposits with other banks Interest-Bearing Deposits in Banks and Other Financial Institutions Under $250,000 Time Deposits Less Than 250000 Amount of time deposit liabilities, including certificates of deposit, in denominations of less than $250,000. Fair value - After 5 to 10 years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Interest income recognized Financing Receivable, Nonaccrual, Interest Income Total non-interest income Total non-interest income Noninterest Income Schedule of Additional Disclosures on Cash Flow Information and Non-Cash Activities Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Amortized cost Debt Securities, Available-for-Sale, Amortized Cost, Fiscal Year Maturity [Abstract] Loans Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Total certificates of deposit Time deposits Time Deposits Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Class of Stock [Axis] Class of Stock [Axis] Exposure Type [Domain] Exposure Type [Domain] Exposure Type Domain Haircut applied on external appraisals Measurement Input, Haircut Applied On External Appraisals [Member] Measurement Input, Haircut Applied On External Appraisals Debt issuance costs Debt Issuance Costs, Gross Total consolidated revenues Net Revenue Aggregate revenue, net of interest expense, recognized during the period. It includes Net interest income plus other income (service charge on deposit accounts, other service fees, net gain on sale and valuation adjustments of investment securities, trading account profit, net gain on sale of loans and valuation adjustments on loans held-for-sale, adjustments to indemnity reserves on loans sold, FDIC loss share income, fair value change in equity appreciation instrument and other operating income. Net Income Applicable to Common Stock Net income applicable to common stock Net Income (Loss) Available to Common Stockholders, Basic Debt Securities, Held-to-Maturity [Table] Debt Securities, Held-to-Maturity [Table] Accumulated Amortization Intangible Asset, Finite-Lived, Accumulated Amortization Receivable [Domain] Receivable [Domain] Share based compensation arrangement by share based payment award vesting period annum Share Based Compensation Arrangement By Share Based Payment Award Cliff Vesting Period Share Based Compensation Arrangement By Share Based Payment Award Cliff Vesting Period Other Other consumer Consumer, Other [Member] Exposure Type [Axis] Exposure Type [Axis] Exposure Type [Axis] Notes payable: Notes Payable [Abstract] Distribution Type [Axis] Distribution Type [Axis] Pledged securities with creditors’ right to repledge Debt Securities, Held-to-Maturity, Restricted Weighted average yield, Total Held to maturity Securities, Debt Maturities, Average Yield Held to maturity Securities, Debt Maturities, Average Yield Payable type [Axis] Payable type [Axis] Payable type [Axis] Treasury stock - at cost, 41,084,153 shares (2025-39,201,844) Treasury Stock, Value Charge-offs Total Financing Receivable, Allowance for Credit Loss, Writeoff Recently Adopted Accounting Standards Updates and Accounting Standards Updates Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Total assets measured at fair value on a nonrecurring basis Assets Fair value Disclosure Increase Decrease Fair value portion of assets during the end of the reporting period. Serviced Mortgage Loans Serviced Mortgage Loans [Member] Serviced mortgage loans Gross unrealized losses - Within 1 year Held To Maturity Securities Accumulated Unrecognized Holding Loss Year One Held To Maturity Securities Accumulated Unrecognized Holding Loss Year One Unsecured Senior Debt Unsecured Debt [Member] Trades payable Trades Payable Liability of the Corporation for the payment of securities purchased, which have not been received from the seller. Amortized cost - After 10 years Debt Securities, Held-to-Maturity, Amortized Cost, After Ten Years Debt Securities, Held-to-Maturity, Amortized Cost, After Ten Years Net gain on trading account debt securities Trading Gain (Loss) Long-term debt Long-Term Debt After 30 to 90 days Maturity 30 to 90 Days [Member] Software license costs Software License Costs [Member] Software license costs [Member] Commercial/Construction Commercial Or Construction [Member] Commercial or construction real estate owned. Combination - Other-Than-Insignificant Payment Delays and Interest Rate Reduction Combination - Other- Than-Insignificant Payment Delays and Interest Rate Reduction Payment Deferral and Interest Rate Reduction [Member] payment deferral and Interest rate reduction [Member] Fair value adjustments on mortgage servicing rights Mortgage Servicing Rights (MSR) Impairment (Recovery) Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Fair value - After 5 to 10 years Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Security Exchange Name Security Exchange Name Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Loans HIP Total Financing Receivable, before Allowance for Credit Loss Schedule of Borrowings by Contractual Maturities Maturity Distribution Of Debt Securities [Table Text Block] Tabular disclosure of borrowings by contractual maturities. Total liabilities measured at fair value on a recurring basis Liabilities, Fair Value Disclosure 12 months or more, Fair value Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Finance ROU assets Finance Lease, Right-of-Use Asset, after Accumulated Amortization Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Name Outstanding Recovery, Individual Name Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Book Value Held To Maturity Securities Debt Maturities At Carrying Amount [Abstract] Held To Maturity Securities Debt Maturities At Carrying Amount [Abstract] Share-based compensation Stock Based Compensation Stock Based Compensation Allowance for credit losses - After 1 to 5 years Held To Maturity Securities Allowance for Credit Losses After One through Five Year Held To Maturity Securities Allowance for Credit Losses After One through Five Year Amortized cost Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity [Abstract] Schedule of Other Liabilities Other Liabilities [Table Text Block] Total amortization expense Information Technology and Data Processing, Amortization Expense Information Technology and Data Processing, Amortization Expense Geographical [Domain] Geographical [Domain] Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Weighted average yield - After 1 to 5 years Debt Securities, Held-to-Maturity, Weighted Average Yield, Maturity, after Year One Through Five Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Less -Allowance for credit losses Allowance for credit losses, Total Allowance for credit losses Debt Securities, Held-to-Maturity, Allowance for Credit Loss Total exposure Total Exposure Concentration Risk, Credit Risk, Financial Instrument, Maximum Exposure Amounts reclassified from accumulated other comprehensive loss for amortization of net losses Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Long-term debt Interest Expense, Long-Term Debt Fair value - within 1 year Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Later years Debt Maturities Repayments Of Principal Thereafter Amount of borrowings maturing after year five following the date of the latest balance sheet presented in the financial statements. Assets sold under agreements to repurchase Increase (Decrease) in Federal Funds Purchased and Securities Sold under Agreements to Repurchase, Net Debt securities held-to-maturity, net Debt securities held-to-maturity: Debt Securities Held to Maturities Net of Allowance Held to maturity securities net of allowance for credit losses Schedule of Certificates of Deposits by Maturity Time Deposit Maturities [Table Text Block] Adjustment of pension and postretirement benefit plans Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Residential Mortgage Loans Residential Mortgage [Member] Deposit Liability [Table] Deposit Liability [Table] Schedule of Loan Purchases by Classes of Loans Loan Purchases By Classes Of Loans [Table Text Block] Tabular disclosure for loan purchases by classes of loans. Debt securities available-for-sale Debt Securities [Member] Asset Class [Domain] Asset Class [Domain] Related Party Transactions [Abstract] Related Party Transactions [Abstract] Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Average common shares outstanding - assuming dilution (in shares) Weighted Average Number of Shares Outstanding, Diluted Schedule of Deferred Income Tax Assets and Liabilities Schedule of Deferred Income Tax Assets and Liabilities [Line Items] Schedule of Deferred Income Tax Assets and Liabilities Line Items Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Accounts, Notes, Loans and Financing Receivable Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Related Party Transaction Related Party Transaction [Line Items] Year one Financing Receivable, Year One, Originated, Current Fiscal Year Underlying Security Market Price Change Underlying Security Market Price Change, Percent Commercial and industrial Commercial and Industrial Loans [Member] Commercial and Industrial Loans [Member] Sales Other Real Estate Owned Sales Sale of other real estate owned which includes real estate assets taken in settlement of troubled loans through surrender or foreclosure. Intangibles Deferred Tax Liabilities, Goodwill and Intangible Assets Gross unrealized losses, Total Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss Mortgage Mortgage Receivable [Member] Total money market investments Money market investments Cash Equivalent, Money Market Fund, Carrying Value Operating Lease Liability Statement Of Financial Position Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration] Maximum exposure to loss Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount Guarantees, unamortized balance of the obligations Guarantor Obligations, Current Carrying Value Provision for credit losses (benefit) Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal) Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Amortized Cost Basis Financing Receivable, Modified in Period, Amount Guarantees Guarantees [Text Block] Treasury stock Treasury Stock, Common [Member] Debt Securities, Available-for-Sale [Line Items] Debt Securities, Available-for-Sale [Line Items] Total borrowings Debt and Lease Obligation Year three Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year Others Other Assets, Miscellaneous Interest Rate Reduction Interest rate reduction Interest Rate Below Market Reduction [Member] Organization, Consolidation and Presentation of Financial Statements [Abstract] Commercial Commercial Loan [Member] Proceeds from sale of loans held-for-sale Proceeds from Sale, Loan, Held-for-Sale Schedule of Loans Held-For-Sale Measured at Fair Value Fair Value Option, Disclosures [Table Text Block] Insurance fees, excluding reinsurance Insurance Fees [Member] Insurance fees include, but are not limited to, commissions and contingent commissions. Collateral Held [Domain] Collateral Held [Domain] Non-vested at beginning of period (in dollars per share) Non-vested at end of period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value All Executive Categories All Executive Categories [Member] Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Financing receivable, charge-off Financing Receivable, Transfer to Held-for-Sale, Allowance for Credit Loss, Expense Reversal Maximum automated clearing house transaction settlement exposure Maximum ACH Transaction Settlement Exposure Maximum ACH Transaction Settlement Exposure Loans Loans And Leases Receivable Held For Sale And Held In Portfolio Net Of Unearned Income Loans And Leases Receivable Held For Sale And Held In Portfolio Net Of Unearned Income Transfers from loans held-in-portfolio to loans held-for-sale Loan and Lease, Transfer from Held-in-Portfolio to Held-for-Sale Performance Award [Domain] Performance Award [Domain] Performance Award [Domain] Munis Not Guaranteed By Puerto Rico Central Government Munis Not Guaranteed By Puerto Rico Central Government [Member] Securities for which the underlying source of payment is not the central government, but in which the government provides a guarantee in the event of default Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements Technology and software expenses Information Technology and Data Processing Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Vesting Scenario One Vesting Scenario One [Member] Vesting Scenario One Segment reporting Segment Reporting [Text Block] Available-for-sale Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale Minimum Minimum Minimum [Member] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Schedule of Corporation’s Revenue Streams from Contracts With Customers by Reportable Segment Disaggregation of Revenue [Table Text Block] Non-consolidated variable interest entities Variable Interest Entity Disclosure [Text Block] Liabilities: Liabilities [Abstract] Schedule of Amortization Expense for all Capitalized Software and Hosting Arrangement Cost Intangible Asset, Finite-Lived, Amortization Expense [Table Text Block] Location, Statement of Income, Balance [Axis] Location, Statement of Income, Balance [Axis] Mortgage servicing rights Servicing Asset At Fair Value Amount [Member] Servicing Asset At Fair Value Amount Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Reserves for loan indemnifications Reserves For Loan Indemnifications Reserves for loan indemnifications (reserve for loans with recourse and reserve for representation and warranty obligations). Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Overdrafts in demand deposit accounts reclassified to loans Deposit Liabilities Reclassified as Loans Receivable Payments of notes payable Repayments of Notes Payable Others Other Liabilities Common Stock – Issued: Common Stock, Number of Shares, Par Value and Other Disclosure [Abstract] Other real estate owned Real Estate Owned [Text Block] Other operating income Noninterest Income, Other Operating Income Debt securities held-to-maturity, at amortized cost: Debt Securities, Held-to-Maturity, Fair Value to Amortized Cost, after Allowance for Credit Loss [Abstract] Loans transferred to other assets Transfers Of Loans To Other Assets Value of loans held-in-portfolio transferred to other assets through insurance claims in non-cash transactions. Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Table] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Schedule of Held-to-Maturity Securities [Line Items] Debt Securities, Held-to-maturity Schedule of Held-to-Maturity Securities [Line Items] Fair value - After 10 years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 Exercise Price Award Exercise Price Recurring Fair Value, Recurring [Member] Segment Reporting Segment Reporting [Line Items] Underlying Other Underlying, Other [Member] Acquisitions of loans held-for-sale Payment for Purchase, Loan, Held-for-Sale Document Quarterly Report Document Quarterly Report Repurchase Agreements and Similar Transactions, Maturity Periods [Axis] Repurchase Agreements and Similar Transactions, Maturity Periods [Axis] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Processing and transactional services Professional and Contracted Services Expense Restricted stock unit Restricted Stock or Unit Expense Lender Name [Axis] Lender Name [Axis] Special Mention Special Mention [Member] Carrying Value Net of Allowance Held for Maturities Net of Allowance For Credit Losses [Abstract] Held for Maturities Net of Allowance For Credit Losses [Abstract] Proceeds from sale of debt securities available-for-sale Proceeds from Sale of Debt Securities, Available-for-Sale Income before income tax Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Accrued interest payable Interest Payable Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Investments under the equity method Equity investment Equity Method Investments Equity Component [Domain] Equity Component [Domain] Income Taxes [Line Items] Income Taxes [Line Items] Income Taxes [Line Items] Measurement Input Type [Domain] Measurement Input Type [Domain] Gains (losses) included in earnings Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Loans held-in-portfolio Loans Receivable, Fair Value Disclosure Credit card fees, excluding late fees and membership fees Credit Card Fees Excluding Late Fees And Membership Fees [Member] Credit card fees include, but are not limited to, interchange fees, additional card fees, cash advance fees, balance transfer fees, foreign transaction fees, and returned payments fees. Other - trading Debt Securities, Trading [Member] Debt Securities, Trading Adoption Date Trading Arrangement Adoption Date Share based compensation arrangement by share based payment award vesting through annual installments Share Based Compensation Arrangement By Share Based Payment Award Vesting Through Annual Installments Share Based Compensation Arrangement By Share Based Payment Award Vesting Through Annual Installments 2030 Time Deposit Maturities, Year Four Obligations Type [Domain] Obligations Type [Domain] Obligations Domain Total Financing Receivable, Modified, after 12 Months Amortized cost of financing receivable 12 months after modification for debtor experiencing financial difficulty. Other short-term borrowings Proceeds from Other Short-Term Debt Equity securities Equity Securities, FV-NI, Current Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Mortgage Loans Held-For-Sale Mortgage Loans Held-For-Sale [Member] Mortgage Loans Held-For-Sale Other Liabilities Disclosure [Abstract] Other Liabilities Disclosure [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Operating lease liabilities Operating Lease, Liability Certificates of deposit: Time Deposits [Abstract] Finance lease liabilities Finance Lease, Liability Debt securities held-to-maturity fair value Fair value, Total Debt Securities, Held-to-Maturity, Fair Value Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Short-term borrowings Interest Expense, Short-Term Borrowings Commercial Commercial Loan Portfolio Commercial Portfolio Segment [Member] Net operating loss and other carryforward available Deferred Tax Asset Operating Loss Carryforwards And Other Carryforwards The sum of the tax effects as of the balance sheet date of the amount of excesses of tax deductions over gross income in a year which cannot be used on the tax returns in the current year but can be carried forward to reduce taxable income or income taxes payable in a future year, for which there must be sufficient tax-basis income to utilize a portion or all of the carryforward amount to realize the deferred tax asset (Includes operating loss and pension carryforwards). Reduced weighted average contractual interest rate after modification Financing Receivables, Modified, Weighted-Average Interest Rate after Modification Financing Receivables, Modified, Weighted-Average Interest Rate after Modification Commitments and contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Popular U.S. Popular U.S. Popular U.S [Member] Banco Popular North America Financial Asset, Aging [Domain] Financial Asset, Aging [Domain] Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Weighted average (range) Weighted Average [Member] Underlying Asset Class [Axis] Underlying Asset Class [Axis] All Adjustments to Compensation All Adjustments to Compensation [Member] Corporate Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Other Real Estate [Roll Forward] Other Real Estate [Roll Forward] Substandard Substandard [Member] Net loss, including impairment on debt securities Net loss, including impairment on debt securities Debt Securities, Realized Gain (Loss) Money market investments Interest Income, Deposits with Financial Institutions Income Statement [Abstract] Income Statement [Abstract] Stockholders’ equity: Equity, Attributable to Parent [Abstract] Document Transition Report Document Transition Report Popular U.S. Popular Bank [Member] Popular Bank Money market investments: Money Market Investments [Abstract] Money Market Investments [Abstract] Finance Lease Liability Statement Of Financial Position Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration] Intersegment Eliminations Intersegment Eliminations Intersegment Eliminations [Member] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Gross unrealized losses Held To Maturity Securities Accumulated Unrecognized Holding Loss [Abstract] Held To Maturity Securities Accumulated Unrecognized Holding Loss [Abstract] Commercial lines of credit Commercial Lines Of Credit [Member] Commercial Lines Of Credit [Member] Gross unrealized losses - After 10 years Held To Maturity Securities Accumulated Unrecognized Holding Loss After Ten Years Held To Maturity Securities Accumulated Unrecognized Holding Loss After Ten Years Income Taxes [Table] Income Taxes [Table] Income Taxes [Table] Weighted average yield - After 10 years Debt Securities, Available-for-Sale, Weighted Average Yield, Maturity, after Year 10 City Area Code City Area Code Allowance for credit losses Allowance for Credit Loss [Abstract] Subsequent events Subsequent Events [Text Block] Other - trading measurement input Debt Securities, Trading, Measurement Input Amortized cost - After 1 to 5 years Debt Securities, Held-to-Maturity, Amortized Cost, After One Through Five Years Debt Securities, Held-to-Maturity, Amortized Cost, After One Through Five Years Name Forgone Recovery, Individual Name Carrying Value Net of Allowance - After 10 Years Held for Maturities Net of Allowance For Credit Losses After Ten Years Held for Maturities Net of Allowance For Credit Losses After Ten Years Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Weighted-Average Grant Date Fair Value per Unit Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Accelerate Share Repurchase [Domain] Accelerate Share Repurchase [Domain] Accelerate Share Repurchase [Domain] Revolving Loans Amortized Cost Basis Financing Payable, Revolving Including Adjustments Financing Payable, Revolving Including Adjustments Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Financed sales of other real estate assets Financed Sales Of Other Real Estate Assets Other real estate sold and financed loan to the buyer. Total interest income Interest income Interest and Dividend Income, Operating Financing Receivable, Credit Quality Indicator [Table] Financing Receivable, Credit Quality Indicator [Table] Accruing loans Financing Receivable, 90 Days or More Past Due, Still Accruing Commercial letters of credit Commercial Letters Of Credit [Member] Commercial Letters of Credit Fair Value Loan, Mortgage, Held-for-Sale, Fair Value Disclosure Watch Watch [Member] A category of financing receivables considered to have acceptable business credit, but creditor's operations, cash flow or financial position evidence more than average risk, requiring above average levels of attention from management. Other assets Increase (Decrease) in Other Operating Assets Deferred tax liabilities, net Deferred Tax Liabilities, Net Loans sold Loans Sold Loans and leases sold to an unrelated third party. Nature of operations Nature of Operations [Text Block] Issuances of common stock (in shares) Stock Issued During Period, Shares, New Issues Deposits Increase (Decrease) in Deposits Net originations on loans held-for-sale Net Disbursements on Loans Held-For-Sale The cash inflow from collection of repayment from borrowers, net of amount of cash paid for the origination of loans that are held with the intention to resell in near future. Measurement Basis [Axis] Measurement Basis [Axis] Investments Investments Granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Unrealized holding (losses) gains on debt securities arising during the period OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax Fair value - Within 1 year Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Subsequent Event Type [Domain] Subsequent Event Type [Domain] Year five Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year Proceeds from sale of finance receivables Proceeds from Sale of Finance Receivables Year five Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff Recoveries Off Balance Sheet Credit Loss Liability Credit Loss Expense Recovery Off Balance Sheet Credit Loss Liability Credit Loss Expense Recovery Forfeited (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Year four Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year Unrealized net holding losses on debt securities AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Schedule of Significant Unobservable Inputs used to Derive the Fair Value of Level 3 Instruments Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Gross unrealized gains - After 1 to 5 years Available For Sale Debt Securities Accumulated Gross Unrealized Gain After One Through Five Years Available For Sale Debt Securities Accumulated Gross Unrealized Gain After One Through Five Years Credit cards Credit cards Credit Card Receivable [Member] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] 2029 Time Deposit Maturities, Year Three Entity Current Reporting Status Entity Current Reporting Status PR Government Direct Exposure PR Government Direct Exposure [Member] Corporation's direct exposure to the Puerto Rico government, instrumentalities and municipalities. Net cash provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Schedule Of Other Real Estate Owned Rollforward [Table] Schedule Of Other Real Estate Owned Rollforward [Table] Activity in the balance of Other Real Estate Owned. Liabilities Financial Liabilities: Liabilities, Fair Value Disclosure [Abstract] Adjustments to indemnity reserves on loans sold Adjustments to indemnity reserves on loans sold Adjustments To Indemnity Reserves On Loans Sold Accrual or reversal of provision expense related to loans sold with credit recourse and/or customary representations & warranties. Total gains (losses) included in earnings Fair Value, Assets and Liabilities Measured on Recurring Basis, Gain (Loss) Included in Earnings Prior Years Financing Receivable, Originated, More than Five Years before Current Fiscal Year Retail and Commerical Loans Retail and Commerical Loans [Member] Retail and commerical loans [Member] Adjustments to reconcile net income to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Decrease in income tax expense Increase (Decrease) in Income Tax Expense (Benefit) Increase (Decrease) in Income Tax Expense (Benefit) Other Other collateral [Member] Other collateral [Member] Weighted average life of loans Financing Receivable, Modified, Weighted-Average Term Increase from Modification Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Premises and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Restricted Cash and Investments [Abstract] Restricted Cash and Investments [Abstract] Financial Instruments [Domain] Types of Financial Instruments [Domain] Financial Instruments [Domain] Depreciation Deferred Tax Assets Depreciation The tax effect as of the balance sheet date due to differences in depreciation methods between book and tax purposes. Capitalization of lease right of use asset Capitalization Of Right Of Use Assets Amount of total right-of-use asset obtained in exchange for lease liability. Vesting Scenario Four Vesting Scenario Four [Member] Vesting Scenario Four Intangible Asset, Finite-Lived, Class [Axis] Intangible Asset, Finite-Lived, Class [Axis] Net disbursements on loans Net Disbursements Repayments on Loans Net Disbursements Repayments on Loans Lease liability Deferred Tax Assets Leasing Arrangements Amount of deferred tax assets attributable to taxable temporary differences from leasing arrangements. Underlying Securities Award Underlying Securities Amount Fair value Estimate of Fair Value Measurement [Member] Revenue from contracts with customers Revenue from Contract with Customer [Text Block] Issuances of common stock Stock Issued During Period, Value, New Issues 2026 Debt Maturities Repayments Of Principal In Year One Amount of borrowings maturing in year one following the date of the latest balance sheet presented in the financial statements. Combination - Term Extension and Interest Rate Reduction Combination - Term Extension and Interest Rate Reduction Extended Maturity and Interest Rate Reduction [Member] Loans held-for-sale - write-downs Mortgages, Held-For-Sale, Write-Down Mortgages, Held-For-Sale, Write-Down Fair value of financial instruments Financial Instruments Disclosure [Text Block] Preferred stock Preferred Stock [Member] Segment Reporting [Table] Segment Reporting [Table] Amortization of intangibles Amortization of Intangibles Amortization of Intangibles With payment default Financing Receivable Modified Past 12 Months Payment Default Amortized cost of financing receivable 12 months after modification for debtor experiencing financial difficulty with payment default. Related Party Transaction [Table] Related Party Transaction [Table] Provision for credit losses Provision for credit losses (benefit) Provision for Loan, Lease, and Other Losses Guarantees [Abstract] Guarantees [Abstract] Beginning Balance Ending Balance Off-Balance-Sheet, Credit Loss, Liability Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Debt securities available-for-sale in a continuous unrealized loss position Less than 12 months, Fair value Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Current Fiscal Year End Date Current Fiscal Year End Date Allowance for credit losses - After 10 years Held To Maturity Securities Allowance for Credit Losses After Ten Year Held To Maturity Securities Allowance for Credit Losses After Ten Year Weighted average yield - After 1 to 5 years Debt Securities, Available-for-Sale, Weighted Average Yield, Maturity, after Year One Through Five Amortized cost, Total Debt securities pledged to secure government and trust deposits Debt securities held-to-maturity, at amortized cost Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Derivative assets Derivative Asset, Subject to Master Netting Arrangement, before Offset of Collateral Schedule of Reconciliation of Cash and Due From Banks and Restricted Cash Reconciliation Of Cash And Due From Banks And Restricted Cash [Table Text Block] Tabular disclosure of the reconciliation of cash and due from bank, and restricted cash reported within the statement of financial position that sum to the same such amounts shown in the statement of cash flows. Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Dividends declared per common share (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity File Number Entity File Number Total outstanding Total Outstanding Concentration Of Risk Credit Facilities Concentration of Risk Credit Facilities with the Puerto Rico government that is outstanding. Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Restricted cash in money market investments Restricted Cash Money Market Amount of cash restricted as to withdrawal or usage within money market investments. Number of statutory trust Variable Interest Entity, Unavailability of Information, Number of Entities Measure: Measure [Axis] Vesting Scenario Two Vesting Scenario Two [Member] Vesting Scenario Two Schedule of Carrying Amount and Classification of the Assets Related to the Corporation’s Variable Interests in Non-Consolidated VIEs Schedule of Variable Interest Entities [Table Text Block] Treasury stock (in shares) Treasury stock (in shares) Treasury Stock, Common, Shares Earnings from investments under the equity method, net of dividends or distributions Income (Loss) from Equity Method Investments, Net of Dividends or Distributions Collateralized mortgage obligations - federal agencies Collateralized Mortgage Obligation-Federal Agency [Member] Represents collateralized mortgage obligations (CMOs) issued by GSEs, such as the Federal Home Loan Mortgage Corporation (FHLMC or Freddie Mac), the Federal National Mortgage Association (FNMA or Fannie Mae), or CMOs issued by the Government National Mortgage Association (GNMA or Ginnie Mae), which is backed by the full faith and credit of the US Government. Total adjustments Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity Equity Components [Axis] Equity Components [Axis] Valuation allowance Deferred Tax Assets, Valuation Allowance Entity Interactive Data Current Entity Interactive Data Current Public sector Government Sector [Member] Amortized cost - After 1 to 5 years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five Entity Small Business Entity Small Business Comprehensive income, net of tax Comprehensive Income (Loss), Net of Tax, Attributable to Parent FRB Advances Federal Reserve Bank Advances [Member] Schedule of Gains and Losses (Realized and Unrealized) Included in Earnings Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Table Text Block] Payable type [Domain] Payable type [Domain] Payable type [Domain] Net interest income Interest Income (Expense), Operating MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Amortized cost - After 5 to 10 years Debt Securities, Held-to-Maturity, Amortized Cost, After Five Through Ten Years Debt Securities, Held-to-Maturity, Amortized Cost, After Five Through Ten Years Document Type Document Type Fair value - After 10 years Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 RECURRING FAIR VALUE MEASUREMENTS Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Revolving Loans Amortized Cost Basis Financing Receivable, Revolving, Writeoff Schedule of Puerto Rico Government by Maturity Schedule Of Direct Exposure To The Puerto Rico Government By Maturity [Table Text Block] Tabular disclosure of the loans and investments representing the Corporations direct exposure to the Puerto Rico government according to their maturities. Subsequent Event [Line Items] Subsequent Event [Line Items] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Total gross deferred tax liabilities Deferred Tax Liabilities, Gross Corporate Bonds and Debentures Bonds [Member] Weighted average yield - After 5 to 10 years Debt Securities, Held-to-Maturity, Weighted Average Yield, Maturity, after Year 5 Through 10 Weighted average yield Debt Securities, Held-to-Maturity, Weighted Average Yield, Maturity [Abstract] Net decrease (increase) in: Increase (Decrease) in Operating Assets [Abstract] Other comprehensive income before tax Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent Pledged Status [Domain] Pledged Status [Domain] Income before income tax Income before income tax Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Amortization of net losses of pension and postretirement benefit plans Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, Tax Commitments and contingencies (Refer to Note 16) Commitments and Contingencies Other real estate owned (OREO) income Other Real Estate Owned Expense Net Of Gain Loss On Sale Or Disposition Represents expenses recognized during the period for other real estate owned (foreclosed properties), write-downs of other real estate owned after acquisition and the net gain or loss resulting from sales and other disposals of those properties. Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Executive Category: Executive Category [Axis] Schedule Of Repurchase Agreements [Line Items] Schedule Of Repurchase Agreements [Line Items] Schedule Of Repurchase Agreements [Line Items] Receivable type [Axis] Receivable Type [Axis] Receivable Type [Axis] Guaranteed mortgage loan claims receivable Guaranteed Mortgage Loan Claims Claims under mortgage loans guarantees including FHA loans Munis Payable From Real and Personal Property Taxes Munis Payable From Real and Personal Property Taxes [Member] Securities issued by municipalities of PR that are payable from the real and personal property taxes collected by such municipalities Liabilities and Stockholders’ Equity Liabilities and Equity [Abstract] Cash and due from banks Cash And Due From Banks Excluding Restricted Cash For banks and other depository institutions: Includes cash on hand (currency and coin), cash items in process of collection, noninterest bearing deposits due from other financial institutions (including corporate credit unions), and noninterest bearing balances with the Federal Reserve Banks, Federal Home Loan Banks and central banks, excluding restricted cash and due from banks. Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Variable Interest Entity [Table] Variable Interest Entity [Table] Supplemental Cash Flow Information [Abstract] Supplemental Cash Flow Information [Abstract] PEO Name PEO Name Other liabilities Total other liabilities Accrued Liabilities and Other Liabilities Other short-term borrowings Other Short-Term Borrowings Commercial multi-family Commercial Multi Family [Member] Commercial loans related to properties, such as apartments, duplexes and others that are constructed for use by multiple family groups. Long-Lived Asset, Class [Axis] Long-Lived Asset, Class [Axis] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Noncredit Commitment Noncredit commitment [Member] Noncredit commitment [Member] Principal, interest and escrow servicing advances Funds Advanced To Investors Under Servicing Agreements This balances represents the total of funds advanced to investors under servicing agreements. As stated in the note, under these servicing agreements, the Corporation is required to advance to investors the payment of principal, interest, taxes and insurance, if such payments have not been received from the borrowers. Entity Tax Identification Number Entity Tax Identification Number Cash and due from banks Cash and Due from Banks Schedule of Loans Held-in-Portfolio in Past Due Status, Non-performing Status and Accruing Loans Past-due 90 Days or More by Loan Class Financing Receivable, Past Due [Table Text Block] Current Financial Asset, Not Past Due [Member] Schedule of Composition of Notes Payable Schedule of Notes Payable [Table Text Block] Tabular disclosure of current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer. Notes payable Total notes payable Notes Payable Incentive award, tax benefit (expense) Share-Based Payment Arrangement, Expense, Tax Benefit Book Value - within 1 year Debt Securities, Held-to-Maturity Measured at Carrying Value Within One Year Debt Securities, Held-to-Maturity Measured at Carrying Value Within One Year Preferred stock dividends Preferred Stock Dividends, Income Statement Impact Schedule of Composition of Acquired or Developed Software Costs Business Combination, Intangible Asset, Acquired, Finite-Lived and Indefinite-Lived [Table Text Block] Revenue From Contracts With Customers Revenue [Policy Text Block] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Measurement Frequency [Domain] Measurement Frequency [Domain] Debt Instrument [Axis] Debt Instrument [Axis] Subsequent Event [Table] Subsequent Event [Table] Reverse Mortgages Reverse Mortgages [Member] Reverse Mortgages [Member] Commitments and contingencies Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] Interest expense: Interest Expense, Operating and Nonoperating [Abstract] Direct Exposure To The Puerto Rico Government [Line Items] Direct Exposure To The Puerto Rico Government [Line Items] Direct Exposure To The Puerto Rico Government [Line Items] Personnel costs Personnel costs Labor and Related Expense Loans acquired Deferred Tax Liabilities, Loans acquired Amount of deferred tax liability attributable to taxable temporary differences from loans acquired Held-to-maturity Proceeds from Maturities, Prepayments and Calls of Held-to-Maturity Securities Short-term borrowings Short-Term Debt [Member] Net Income per Common Share - Basic (in dollars per share) Basic EPS (in dollars per share) Earnings Per Share, Basic Measurement Input Type [Axis] Measurement Input Type [Axis] Insider Trading Arrangements [Line Items] Non-accrual with allowance Financing Receivable Nonaccrual With Allowance Financing Receivable Nonaccrual With Allowance Loans held-for-sale Mortgages, Held-For-Sale, Fair Value, Increase (Decrease) Mortgages, Held-For-Sale, Fair Value, Increase (Decrease) Number of shares, percentage Share-based Compensation Arrangement By Share-based Payment Award Options Vested And Expected To Vest Range Based On Shareholder Return Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Range Based on Performance Metric. Prior Years Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff Share based compensation arrangement by share based payment award vesting period annum, age Share Based Compensation Arrangement By Share Based Payment Award Retirement Eligibility, Age Share Based Compensation Arrangement By Share Based Payment Award Retirement Eligibility, Age Carrying Value Net of Allowance - Within 1 Year Held for Maturities Net of Allowance For Credit Losses Year One Held for Maturities Net of Allowance For Credit Losses Year One Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Allowance for Credit Losses Held To Maturity Securities Allowance for credit losses [Abstract] Held To Maturity Securities Allowance for credit losses [Abstract] Amortization of unrealized losses of debt securities transfer from available-for- sale to held-to-maturity OCI, Debt Securities, Available-for-Sale, Transfer to Held-to-Maturity, Adjustment from AOCI for Amortization of Gain (Loss), before Tax Gross unrealized losses - After 5 to 10 years Available For Sale Debt Securities Accumulated Gross Unrealized Loss After Five Through Ten Years Available For Sale Debt Securities Accumulated Gross Unrealized Loss After Five Through Ten Years Equity Awards Adjustments Equity Awards Adjustments [Member] Net deferred tax asset Net deferred tax asset Deferred Tax Assets, Net Prepayment speed Measurement Input, Prepayment Rate [Member] Loans Loans [Member] Fair value of financial instruments Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Industry Sector [Domain] Industry Sector [Domain] Other liabilities Increase (Decrease) in Other Operating Liabilities Pass Pass [Member] Underlying Asset Class [Domain] Underlying Asset Class [Domain] Junior subordinated deferrable interest debentures (related to trust preferred securities) Junior Subordinated Debenture Owed to Unconsolidated Subsidiary Trust Loans serviced Continuing Involvement with Transferred Financial Assets, Principal Amount Outstanding Other Other securities classified as debt securities available- for-sale Other Debt Obligations [Member] Entity Address, Country Entity Address, Country Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Line Items] Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Line Items] Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Gross unrealized gains - After 10 years Available For Sale Debt Securities Accumulated Gross Unrealized Gain After Ten Years Available For Sale Debt Securities Accumulated Gross Unrealized Gain After Ten Years Advances with the FHLB with maturities ranging from 2026 through 2029 paying interest at monthly fixed rates ranging from 0.69% to 4.17% Fixed Rate Advances Due To 2029 [Member] Fixed Rate Advances Due To 2029 [Member] Class of Stock [Domain] Class of Stock [Domain] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] BPPR BPPR BPPR [Member] Banco Popular de Puerto Rico Trading account debt securities: Trading Account Debt Securities [Member] Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading). Preferred Stock: Preferred Stock, Number of Shares, Par Value and Other Disclosure [Abstract] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Accounts payable Accounts Payable Income taxes Income Tax Disclosure [Text Block] Other real estate Real Estate Acquired Through Foreclosure Cumulative Preferred Stock 6.125% Cumulative Preferred Stock Six Point One Two Five Percent [Member] Cumulative Preferred Stock Six Point One Two Five Percent [Member] Restrictions on cash and due from banks and certain securities Restricted Cash And Cash Equivalents [Text Block] The disclosure of the cash and cash items which are restricted as to withdrawal or usage. The provisions of any restrictions are described in a note to the financial statements. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Right of use assets Deferred Tax Liabilities, Leasing Arrangements Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Additions Other Real Estate Owned Additions Additions to other real estate owned which includes real estate assets taken in settlement of troubled loans through surrender or foreclosure. Debt Securities, Available-for-Sale, Allowance for Credit Loss [Table] Debt Securities, Available-for-Sale, Allowance for Credit Loss [Table] Total assets measured at fair value on a nonrecurring basis - write downs Assets Fair Value Measurement Write Downs Amount of the write down related to Assets Entity Filer Category Entity Filer Category Total, Fair value Debt Securities, Available-for-Sale, Unrealized Loss Position Directors Director [Member] Direct Exposure To The Puerto Rico Government [Table] Direct Exposure To The Puerto Rico Government [Table] Direct Exposure To The Puerto Rico Government [Table] Financing receivable nonaccrual status Financing Receivable, Nonaccrual [Line Items] Auto Auto Automobile Loan [Member] Allowance for credit losses - After 5 to 10 years Held To Maturity Securities Allowance for Credit Losses After Five Through Ten Year Held To Maturity Securities Allowance for Credit Losses After Five Through Ten Year Basis of presentation Basis of Accounting [Text Block] Financial Asset, Aging [Axis] Financial Asset, Aging [Axis] Investment dividends or distribution Proceeds from Equity Method Investment, Distribution Year three Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff Investments, Debt and Equity Securities [Abstract] Deposits: Deposits [Abstract] Changes in unrealized gains (losses) relating to assets still held at reporting date Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) Entity Address, Address Line Two Entity Address, Address Line Two Derivatives Derivatives Derivative Liability Weighted average yield, Total Available for sale Securities, Weighted Average Yield Available for sale Securities, Weighted Average Yield Deferred income tax expense Deferred Income Tax Expense Benefit Including Discontinued Operations Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing and discontinued operations. Entity Address, Address Line One Entity Address, Address Line One Vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Schedule of Restricted Stock and Performance Shares Activity Schedule Of Stock Units Roll Forward [Table Text Block] Tabular disclosure of the change in restricted and unrestricted stock units). Fair value Debt Securities, Held-to-Maturity, Maturity, Allocated and Single Maturity Date, Fair Value [Abstract] Income tax expense Income tax benefit Income Tax Expense (Benefit) Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Performance Shares Quantity Adjustment (in dollars per share) Share-based Compensation Arrangements By Share-based Payment Award, Equity Instruments Other Than Options, Adjustment During Period, Weighted Average Grant Date Fair Value Share-based Compensation Arrangements By Share-based Payment Award, Equity Instruments Other Than Options, Adjustment During Period, Weighted Average Grant Date Fair Value Write-downs Write Downs [Abstract] Write Downs New accounting pronouncements Accounting Standards Update and Change in Accounting Principle [Text Block] AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Loan Restructuring Modification [Domain] Loan Restructuring Modification [Domain] Discounted cash flow model Valuation Technique, Discounted Cash Flow [Member] Statement [Table] Statement [Table] Eliminations Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Schedule of Amortized Cost Basis of Non-accrual Loans by Class of Loans Financing Receivable, Nonaccrual [Table Text Block] Loans held-in-portfolio Mortgage-Backed Securities, Held-In-Portfolio [Member] Mortgage-Backed Securities, Held-In-Portfolio Software development and license costs Software Development and License Cost [Member] Software development and license cost [Member] Derivatives Derivative Asset, Subject to Master Netting Arrangement, before Offset Loans held-for-sale Loan, Held-for-Sale, Fair Value Disclosure Tax credits available for carryforward Deferred Tax Assets, Tax Credit Carryforwards, Other