Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Denominator: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Trading Arrangement: Trading Arrangement [Axis] Trust preferred securities issued Subordinated Debt Maximum Maximum [Member] Loans held for sale Financing Receivable, Held-for-Sale Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Range [Domain] Statistical Measurement [Domain] Short-Term Debt, Type [Axis] Short-Term Debt, Type [Axis] Title of 12(b) Security Title of 12(b) Security Carrying Amount Reported Value Measurement [Member] Subsequent Event Subsequent Event [Member] Debt Securities, Available-for-sale [Table] Debt Securities, Available-for-Sale [Table] Document Fiscal Year Focus Document Fiscal Year Focus Offsetting derivative assets Derivative Liability, Subject to Master Netting Arrangement, Asset Offset Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Offset Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Offset Adjustment to Compensation, Amount Adjustment to Compensation Amount Capital to Risk Weighted Assets Banking Regulation, Total Risk-Based Capital Ratio, Actual Pledged Status [Axis] Pledged Status [Axis] Financial Instrument [Axis] Financial Instrument [Axis] Other trading assets Other trading assets Other Assets, Fair Value Disclosure Proceeds from maturities, redemptions and pay-downs of available-for-sale debt securities Principal Payments Received On Available For Sale Securities The cash inflow associated with maturities (principal being due)on securities not classified as either held-to-maturity securities or trading securities which are classified as available-for-sale securities. Total deposits Deposits Common stock Common Stock, Value, Issued Summary of long-term debt Schedule of Long-Term Debt Instruments [Table Text Block] Maximum exposure Guarantor Obligations, Maximum Exposure, Undiscounted Restatement Determination Date Restatement Determination Date Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash, Offset Against Derivative Asset Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash, Offset Against Derivative Asset Available-for-sale debt securities: Debt Securities, Available-for-Sale, Fair Value to Amortized Cost, after Allowance for Credit Loss [Abstract] Amounts reclassified into net income Other Comprehensive Income (Loss), Gain (Loss), Reclassifications, before Tax Other Comprehensive Income (Loss), Gain (Loss), Reclassifications, before Tax Derivative Instrument [Axis] Derivative Instrument [Axis] Other Other Noninterest Expense Measurement Frequency [Axis] Measurement Frequency [Axis] Total Financing Receivable, Excluding Accrued Interest, Modified, after 12 Months Income tax expense/(benefit) Other Comprehensive Income (Loss) after Reclassifications, Tax Other Comprehensive Income (Loss) after Reclassifications, Tax Loans held for investment Financing Receivable, Held-for-Investment Financing Receivable, Held-for-Investment Amendment Flag Amendment Flag Consolidated Entities [Axis] Consolidated Entities [Axis] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Gross Unrealized Losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Debt and Equity Securities Investment [Text Block] Standby letters of credit Standby Letters of Credit [Member] Capital Required for Capital Adequacy to Risk Weighted Assets Banking Regulation, Total Risk-Based Capital Ratio, Capital Adequacy, Minimum Proceeds from sales and repayments of loans held for sale Gain (Loss) on Disposition of Other Assets Held-to-maturity Debt Securities, Held-to-Maturity, Maturity [Abstract] FHLB Borrowings Federal Home Loan Bank Advances [Member] Schedule of compliance with Regulatory Capital Requirements Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block] Tier One Risk Based Capital Banking Regulation, Tier 1 Risk-Based Capital, Actual Consolidated Entities [Domain] Consolidated Entities [Domain] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Financing receivable, excluding accrued interest, originated, more than five years before current fiscal year, writeoff Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff Entity Address, State or Province Entity Address, State or Province Total, Unrealized Loss Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss Non-accrual Financing Receivable, Excluding Accrued Interest, Nonaccrual PEO Total Compensation Amount PEO Total Compensation Amount Financing receivable, excluding accrued interest, originated, more than five years before current fiscal year Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year Available-for-sale Available-for-Sale Securities, Debt Maturities [Abstract] Common stock, par value Common Stock, Par or Stated Value Per Share Non-hedging derivatives, notional amoount Derivative, Notional Amount Share Repurchase Program [Domain] Share Repurchase Program [Domain] Basic earnings per common share—weighted average common shares Weighted Average Number of Shares Outstanding, Basic Summary of loan modifications Financing Receivable, Modified [Table Text Block] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Other comprehensive income OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, before Tax [Abstract] Anna M. Alvarado-Pearce [Member] Anna M. Alvarado-Pearce Financing Receivable, Recorded Investment [Line Items] Financing Receivable, Credit Quality Indicator [Line Items] Interest bearing cash and cash equivalents Interest-Bearing Deposits in Banks and Other Financial Institutions Organization and Nature of Business Organization And Nature Of Business [Policy Text Block] Disclosure of accounting policy related to organization and nature of business. Due after five years through ten years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Schedule of Derivative Instruments Schedule of Derivative Instruments [Table Text Block] Interest income on non-accrual loans Financing Receivable, Nonaccrual, Interest Income Short-Term Debt, Type [Domain] Short-Term Debt, Type [Domain] Total non-interest income Noninterest Income Comprehensive income/(loss): Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Amount reclassified from AOCI as a decrease to interest income Cash Flow Hedge Gain (Loss) to be Reclassified within 12 Months Entity Address, City or Town Entity Address, City or Town Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, Fiscal Year Maturity [Abstract] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Loans and Allowance for Credit Losses on Loans Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] 5.301% Senior Notes, Due February 2032 5.301% Senior Notes, Due February 2032 [Member] 5.301% Senior Notes, Due February 2032 Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Preferred stock dividends paid Payments of Ordinary Dividends, Preferred Stock and Preference Stock Class of Stock [Axis] Class of Stock [Axis] Financing receivable, excluding accrued interest, year one, originated, current fiscal year, writeoff Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Net income available to common stockholders Net Income (Loss) Available to Common Stockholders, Basic Receivable [Domain] Receivable [Domain] Level 2 Fair Value, Inputs, Level 2 [Member] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Other comprehensive income/(loss), net of tax Other Comprehensive Income (Loss), Net of Tax Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] 30-89 Days Past Due Financial Asset, 30 to 89 Days Past Due [Member] Financial Asset, 30 to 89 Days Past Due 90 Days or More Past Due 90+ Days Past Due Financial Asset, Equal to or Greater than 90 Days Past Due [Member] Preferred stock dividends Dividends, Preferred Stock Subsequent Event Type [Axis] Subsequent Event Type [Axis] Schedule of Long-Term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Loans held for investment, net Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss Treasury stock - 8,542,539 and 7,532,768 shares at cost at June 30, 2026 and December 31, 2025, respectively Treasury Stock, Value Payment Deferrals Financing Receivable, Modified in Period, Average Capitalized Amount Financing Receivable, Modified in Period, Average Capitalized Amount Use of Estimates Use of Estimates, Policy [Policy Text Block] Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table] Banking Regulation, Regulatory Capital Requirement, Compliance [Table] Long-term debt Long-term debt Long-Term Debt Due after one year through five years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Allowance for credit losses on loans Allowance for credit losses on loans Beginning balance Ending balance Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year Document Period End Date Document Period End Date CashCollateralPostedForDerivativesInLiabilityPosition CashCollateralPostedForDerivativesInLiabilityPosition Cash Collateral Posted For Derivatives In Liability Position Changes in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] 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] Bank Subsidiaries [Member] Beginning balance, preferred stock (in shares) Ending balance, preferred stock (in shares) Preferred Stock, Shares Outstanding Debt instrument, face amount Senior unsecured credit-linked notes Debt Instrument, Face Amount Due after five years through ten years Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Basic earnings per common share Earnings Per Share, Basic [Abstract] Derivative, amount of hedged item Derivative, Amount of Hedged Item Security Exchange Name Security Exchange Name Debt instrument, term Debt Instrument, Term Held-to-maturity debt securities Held-to-maturity debt securities Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss Due within one year Debt Securities, Available-for-Sale, Weighted Average Yield, Maturity, Year One Due after ten years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10 Held-to-Maturity Securities AOCI, Accumulated Gain (Loss), Debt Securities, Held-to-Maturity, Parent [Member] AOCI, Accumulated Gain (Loss), Debt Securities, Held-to-Maturity, Parent Accumulated other comprehensive loss, net of taxes Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Percentage of Loans Held for Investment Financing Receivable, Excluding Accrued Interest, Modified in Period, to Total Financing Receivables, Percentage 12 Months or Longer, Fair Value Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Regulatory Capital Requirements [Abstract] Broker-Dealer, Net Capital Requirement, SEC Regulation [Abstract] Earnings Per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Earnings Per Share [Abstract] Earnings Per Share [Abstract] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Other trading assets Debt Securities, Trading, and Equity Securities, FV-NI Total liabilities Liabilities Trading Symbol Trading Symbol Interest Rate Reduction Financing Receivable, Modified, Weighted-Average Interest Rate Decrease from Modification Measurement Input, Discount Rate Measurement Input, Discount Rate [Member] Available-for-sale debt securities Estimated Fair Value Fair Value Debt Securities, Available-for-Sale, Excluding Accrued Interest Purchase of premises and equipment, net Payments to Acquire Property, Plant, and Equipment 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] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Schedule of unrecognized compensation costs Share-Based Payment Arrangement, Nonvested Award, Cost [Table Text Block] Schedule of activity in the reserve for loan losses by portfolio segment Allowance For Credit Losses On Financing Receivables By Portfolio Segment [Table Text Block] Tabular disclosure of financing receivables by portfolio segment (examples of financing receivables include loans, trade accounts receivable and notes receivable) and activity in the allowance for credit losses account. Financing Receivable, Allowance for Credit Losses [Line Items] Financing Receivable, Allowance for Credit Loss [Line Items] Company Selected Measure Name Company Selected Measure Name Unrealized Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) Transaction [Domain] Transaction [Domain] Purchases of available-for-sale debt securities Payments to acquire AFS securities, debt Payments to Acquire Debt Securities, Available-for-Sale Revolving lines of credit converted to term loans Financing Receivable, Excluding Accrued Interest, Revolving, Converted To Term Loans Financing Receivable, Excluding Accrued Interest, Revolving, Converted To Term Loans Deposits Interest Expense, Deposits Interest expense, long-term debt Interest Expense, Long-Term Debt Criticized Criticized [Member] Due within one year Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Due after one year through five years Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Diluted earnings per common share Earnings Per Share, Diluted [Abstract] 4.00% Subordinated Notes, Due 2031 4.00% Subordinated Notes, Due 2031 [Member] 4.00% Subordinated Notes, Due 2031 Financing receivable, excluding accrued interest, year one, originated, current fiscal year Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year Asset Class [Domain] Asset Class [Domain] Operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Dilutive earnings per common share—weighted average diluted common shares Weighted Average Number of Shares Outstanding, Diluted Trading income Fees And Commissions, Trading Income Fees And Commissions, Trading Income Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Common stock, dividends, per share, cash paid (in USD per share) Common Stock, Dividends, Per Share, Cash Paid Entity Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Total Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss Underlying Security Market Price Change Underlying Security Market Price Change, Percent Tier One Leverage Capital Banking Regulation, Tier 1 Leverage Capital, Actual Derivative Financial Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Financing Receivable, Modifications [Line Items] Financing Receivable, Modified [Line Items] Gross Unrealized Losses Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss Entities [Table] Entities [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Commitments to extend credit Commitments to Extend Credit [Member] Estimated fair value, liability derivative Derivative Liability, Subject to Master Netting Arrangement, before Offset Level 3 Fair Value Assets Measured on a Recurring Basis Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Net charge-offs (recoveries) Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Period Increase (Decrease) Award Timing Predetermined Award Timing Predetermined [Flag] Treasury Stock Treasury Stock, Common [Member] Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-Sale [Line Items] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Total short-term borrowings Debt and Lease Obligation Stock-based compensation expense recognized in earnings APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Level 1 Fair Value, Inputs, Level 1 [Member] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Interest Income Reversed Financing Receivable, Nonaccrual, Interest Income Reversed Financing Receivable, Nonaccrual, Interest Income Reversed Residential MSRs, notional amount Derivative Asset, Notional Amount Financing receivable, excluding accrued interest, year three, originated, two years before current fiscal year, writeoff Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff Effect of employee stock-based awards Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements All Executive Categories All Executive Categories [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Residential mortgage-backed securities Residential Mortgage-Backed Securities [Member] Preferred stock, par value Preferred Stock, Par or Stated Value Per Share Transfers of loans from held for investment to held for sale Loan and Lease, Transfer from Held-in-Portfolio to Held-for-Sale CET1, actual amount Common Equity Tier 1 Capital Common Equity Tier 1 Capital Due within one year Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One Derivative Liability, Statement of Financial Position [Extensible Enumeration] Derivative Liability, Statement of Financial Position [Extensible Enumeration] Schedule of computation of basic and diluted earnings per share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Minimum Minimum [Member] Dividends, Common Stock, Stock Payments of Ordinary Dividends, Common Stock Expiration Date Trading Arrangement Expiration Date Net increase/(decrease) in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation Hedging Relationship [Axis] Hedging Relationship [Axis] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Postemployment Benefits [Abstract] Liabilities: Liabilities [Abstract] Gross Unrealized Gains Debt Securities, Held-to-Maturity, Accumulated Unrecognized Gain Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure 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] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Other liabilities Other Liabilities Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Derivative [Table] Derivative [Table] Held-to-maturity debt securities: Debt Securities, Held-to-Maturity, Fair Value to Amortized Cost, after Allowance for Credit Loss [Abstract] Schedule of Financing Receivable, Allowance for Credit Losses [Table] Financing Receivable, Allowance for Credit Loss [Table] Common stock, shares authorized Common Stock, Shares Authorized Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Financial Instruments with Off-Balance Sheet Risk Concentration Risk Disclosure [Text Block] Total deposits Deposits, Fair Value Disclosure Due after ten years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 Exercise Price Award Exercise Price Amortized Cost Debt Securities, Held-to-Maturity, Excluding Accrued Interest, after Allowance for Credit Loss Investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Authorized repurchase amount Share Repurchase Program, Authorized, Amount Unrecognized compensation expense Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Document Quarterly Report Document Quarterly Report 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] Swaps Interest Rate Swap [Member] Special mention Special Mention [Member] Regulatory Ratios and Capital Regulatory Capital Requirements under Banking Regulations [Text Block] Provision for credit losses Financing Receivable, Provision For Off-Balance Sheet Credit Losses Financing Receivable, Provision For Off-Balance Sheet Credit Losses Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year, writeoff Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff Proceeds from sales of available-for-sale debt securities Proceeds from Sale of Debt Securities, Available-for-Sale Short-Term Borrowings and Long-Term Debt Debt Disclosure [Text Block] Service charges on deposit accounts Fees And Commissions, Service Charges On Depositor Accounts Fees And Commissions, Service Charges On Depositor Accounts Accrued interest payable Interest Payable Redemption of long-term debt Repayments of Long-Term Debt 5.75% Subordinated Notes, Due 2026 5.25% Subordinated Notes, Due 2026 [Member] 5.25% Subordinated Notes, Due 2026 Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Sales/(purchases) of trading debt securities, net Increase (Decrease) in Debt Securities, Trading Equity Component [Domain] Equity Component [Domain] Interest income Interest and Fee Income, Financing Receivable [Abstract] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Measurement Input Type [Domain] Measurement Input Type [Domain] Realized Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Loans held for investment Loans held for investment, net Loans Receivable, Fair Value Disclosure Fair Value Debt Securities, Available-for-Sale, Fair Value, Fiscal Year Maturity [Abstract] Adoption Date Trading Arrangement Adoption Date Interest rate Debt Instrument, Interest Rate, Stated Percentage Common stock dividends Dividends, Common Stock, Cash Total stockholders’ equity Beginning balance Ending balance Equity, Attributable to Parent Mortgage finance Mortgage Finance Portfolio Segment [Member] Mortgage Finance Portfolio Segment December 2025 Share Repurchase Program December 2025 Share Repurchase Program [Member] December 2025 Share Repurchase Program Equity securities Equity Securities, FV-NI, Current Assets Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Other Liabilities Disclosure [Abstract] Payment Deferral Payment Deferral [Member] Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Schedule of the credit risk profile of loan portfolio by internally assigned grades and nonaccrual status Financing Receivable Credit Quality Indicators [Table Text Block] Investment banking and advisory fees Fees And Commissions, Investment Banking and Advisory Fees Fees And Commissions, Investment Banking and Advisory Fees Fair Value, Measurements, Nonrecurring Fair Value, Nonrecurring [Member] Issuance of stock related to stock-based awards Payments of Stock Issuance Costs Legal and professional Professional Fees Insider Trading Policies and Procedures [Line Items] Estimated Fair Value Fair Value Debt Securities, Held-to-Maturity, Fair Value Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Cash-settled units Performance Shares [Member] Loans Receivable Loans Receivable [Member] Commercial Commercial Portfolio Segment [Member] Commercial real estate Commercial Real Estate Portfolio Segment [Member] Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Cash collateral pledged for derivatives Cash Pledged As Derivative Collateral The fair value of cash that serves as collateral for derivatives Other than Temporary Impairment, Credit Losses Recognized in Earnings, Categories of Investments [Domain] Other than Temporary Impairment, Credit Losses Recognized in Earnings, Categories of Investments [Domain] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Financing Receivables, Period Past Due [Domain] Financial Asset, Aging [Domain] Anti-dilutive outstanding stock-settled awards Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount RSUs Restricted Stock Units (RSUs) [Member] Entity Central Index Key Entity Central Index Key Weighted Average Weighted Average [Member] Net interest income after provision for credit losses Interest Income (Expense), after Provision for Loan Loss All Adjustments to Compensation All Adjustments to Compensation [Member] Equity: Equity [Abstract] Change in unrealized gain/(loss) Other Comprehensive Income (Loss), Gain (Loss), before Reclassifications and tax Other Comprehensive Income (Loss), Gain (Loss), before Reclassifications and tax 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] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Preferred stock, Liquidation value Preferred Stock, Liquidation Preference, Value Substandard - accruing Substandard [Member] Income Statement [Abstract] Income Statement [Abstract] Stockholders’ equity: Equity, Attributable to Parent [Abstract] Document Transition Report Document Transition Report Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Net loss on available-for-sale debt securities Gain (Loss) on Investments Derivatives designated as hedges Designated as Hedging Instrument [Member] Cash-Settled Units Cash-Settled Units [Member] Cash-Settled Units Originations of loans held for investment, mortgage finance Payments for originations of mortgage finance loans Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Schedule of Financing Receivable, Troubled Debt Restructurings [Table] Financing Receivable, Modified [Table] Debt and Equity Securities, Unrealized Gain (Loss) Debt and Equity Securities, Unrealized Gain (Loss) Interest rate on subordinated debentures Debt Instrument, Basis Spread on Variable Rate Interest bearing deposits Interest-Bearing Deposit Liabilities, Domestic Due after ten years Debt Securities, Available-for-Sale, Weighted Average Yield, Maturity, after Year 10 City Area Code City Area Code Held-to-maturity Held-to-Maturity Securities [Member] Non-accrual With No Allowance Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance Risk-Weighted Assets Calculation Methodology [Domain] Banking Regulation, Risk-Weighted Assets Calculation Methodology [Domain] Accumulated Other Comprehensive Income/(Loss) Total AOCI Attributable to Parent [Member] Caps and floors written Interest Rate Caps and Floors, Written [Member] Interest Rate Caps and Floors, Written Capital Required to be Well Capitalized to Risk Weighted Assets Banking Regulation, Total Risk-Based Capital Ratio, Well Capitalized, Minimum All Individuals All Individuals [Member] Name Forgone Recovery, Individual Name 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] Available-for-sale debt securities pledged to secure certain customer repurchase agreements and deposits Debt Securities, Available-for-Sale, Restricted Weighted Average Grant Date Fair Value Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Statement [Line Items] Statement [Line Items] Goodwill and intangibles, net Goodwill And Intangible Assets Net Carrying amount of Goodwill as of the balance sheet date, net of amortization recognized prior to the adoption of any changes in GAAP; and carrying amount of intangible assets (nonphysical assets), net of accumulated amortization. Total assets Assets Assets Total interest expense Interest Expense, Operating Allowance For Off-Balance Sheet Credit Losses [Roll Forward] Allowance For Off-Balance Sheet Credit Losses [Roll Forward] Allowance For Off-Balance Sheet Credit Losses [Roll Forward] Less: Realized net gains/(losses) recognized on securities sold Equity Securities, FV-NI, Realized Gain (Loss) Non-qualified deferred compensation plan liabilities Defined Benefit Plan, Plan Assets, Amount Preferred stock, shares issued Preferred Stock, Shares Issued Internal Credit Assessment [Domain] Internal Credit Assessment [Domain] New Accounting Pronouncements and Changes in Accounting Principles [Abstract] Accounting Standards Update and Change in Accounting Principle [Abstract] Total interest income Interest and Dividend Income, Operating Schedule of Financing Receivable, Recorded Investment, Credit Quality Indicator [Table] Financing Receivable, Credit Quality Indicator [Table] Due after ten years Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year 10 Short-term borrowings Loans Payable, Fair Value Disclosure Gross Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Stock-Based Compensation Share-Based Payment Arrangement [Text Block] Proceeds from pay-offs of loans held for investment, mortgage finance Proceeds from sale and collection of mortgage finance loans Accrued interest receivable and other assets Increase (Decrease) in Other Operating Assets Occupancy expense Occupancy, Net PEO PEO [Member] Net increase/(decrease) in deposits, net Increase (Decrease) in Deposits Compensation expense Share-Based Payment Arrangement, Expense Due after five years through ten years Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year 5 through 10 Other comprehensive income/(loss) Other Comprehensive Income (Loss), after Reclassifications, before Tax Other Comprehensive Income (Loss), after Reclassifications, before Tax Offsetting derivative liabilities Derivative Asset, Subject to Master Netting Arrangement, Liability Offset Measurement Basis [Axis] Measurement Basis [Axis] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Debt and equity securities Investments Tier One Risk Based Capital to Risk Weighted Assets Banking Regulation, Tier 1 Risk-Based Capital Ratio, Actual Due within one year Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Subsequent Event Type [Domain] Subsequent Event Type [Domain] Retained Earnings Retained Earnings [Member] Revolving lines of credit, writeoff Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff Available-for-Sale Securities AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] Shares repurchased, price per share (in dollars per share) Repurchase Of Common Stock Price Per Share Repurchase Of Common Stock Price Per Share Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Schedule of assets and liabilities measured at fair value Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Change in other comprehensive income/(loss), net of taxes OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Beginning balance, common stock (in shares) Ending balance, common stock (in shares) Common Stock, Shares, Outstanding Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Award Timing Disclosures [Line Items] Summary of the carrying amounts and estimated fair values of financial instruments Fair Value, by Balance Sheet Grouping [Table Text Block] Financing Receivable, Recorded Investment, Past Due [Line Items] Financing Receivable, Past Due [Line Items] Diluted earnings/(loss) per common share (in usd per share) Earnings Per Share, Diluted Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Entity Current Reporting Status Entity Current Reporting Status Net cash provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Internal Credit Assessment [Axis] Internal Credit Assessment [Axis] Federal Deposit Insurance Corporation insurance assessment Federal Deposit Insurance Corporation Premium Expense Total Shareholder Return Amount Total Shareholder Return Amount Non-accrual loans earning interest income on cash basis Financing Receivable, Excluding Accrued Interest, Nonaccrual, Earning Interest on Cash Basis Financing Receivable, Excluding Accrued Interest, Nonaccrual, Earning Interest on Cash Basis Cash Flow Hedging Cash Flow Hedging [Member] Unrealized net gains/(losses) recognized on securities still held Unrealized Gain (Loss) on Investments Financing receivable, excluding accrued interest, year four, originated, three years before current fiscal year Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year Credit risk exposure, net of collateral pledged, relating to derivatives Credit Risk Exposure Net Of Collateral Pledged On Credit Risk Derivatives Amount the entity is obligated to pay on the credit risk derivatives upon occurrence of a credit event. 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] CET1, actual ratio Common Equity Tier 1, Capital to Risk Weighted Assets Common Equity Tier 1, Capital to Risk Weighted Assets Term Extension (in months) Financing Receivable, Modified, Weighted-Average Term Increase from Modification Number of securities in an unrealized loss position Number of Securities in an Unrealized Loss Position Number of Securities in an Unrealized Loss Position 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 Tier One Leverage Capital Required for Capital Adequacy to Average Assets Banking Regulation, Tier 1 Leverage Capital Ratio, Capital Adequacy, Minimum Debt securities, available-for-sale, term Debt Securities, Available-for-Sale, Term Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract] Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract] Financial Instruments [Domain] Financial Instruments [Domain] Sales/(purchases) of equity securities, net Proceeds from (Payments for) Sale of Equity Securities, FV-NI Proceeds from (Payments for) Sale of Equity Securities, FV-NI Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year Derivative assets Net asset derivatives included in the consolidated balance sheets Derivative Asset Numerator: Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Repurchase of common stock Shares repurchased Stock Repurchased During Period, Value Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Underlying Securities Award Underlying Securities Amount Estimated Fair Value Estimate of Fair Value Measurement [Member] Sales / Reductions Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales Derivative Asset, Statement of Financial Position [Extensible Enumeration] Derivative Asset, Statement of Financial Position [Extensible Enumeration] Preferred Stock Preferred Stock [Member] Total modified in period Financing Receivable, Excluding Accrued Interest, Modified in Period, Amount Provision for credit losses Provision for Loan, Lease, and Other Losses Instruments held Derivative, Number of Instruments Held Other Noninterest Income, Other All Trading Arrangements All Trading Arrangements [Member] 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] Allowance allocations Fair Value Measurement With Unobservable Inputs Reconciliation Non Recurring Basis Asset Gain Loss Included In Earnings Fair Value Measurement With Unobservable Inputs Reconciliation Non Recurring Basis Asset Gain Loss Included In Earnings Current Fiscal Year End Date Current Fiscal Year End Date Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets Banking Regulation, Tier 1 Risk-Based Capital Ratio, Capital Adequacy, Minimum Due after one year through five years Debt Securities, Available-for-Sale, Weighted Average Yield, Maturity, after Year One Through Five Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Provision for credit losses on loans Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) Derivative [Line Items] Derivative [Line Items] Communications and technology Communications and Information Technology Repurchase of common stock (shares) Shares repurchased (in shares) Stock Repurchased During Period, Shares 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] Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Issuance of stock related to stock-based awards Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Maximum period to hedge forecasted transactions Cash Flow Hedge, Interest Rate, Hedging Exposure, Maximum Period Summary of Amortized Cost, Estimated Fair Value, and Weighted Average Yields for Available-for-Sale Debt Securities Investments Classified by Contractual Maturity Date [Table Text Block] Revolving lines of credit Financing Receivable, Excluding Accrued Interest, Revolving Amount reclassified from AOCI into interest income on loans Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Loans held for investment, mortgage finance Mortgage Finance Mortgage Finance Debt securities, available-for-sale, measurement input Debt Securities, Available-for-Sale, Measurement Input Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Senior Notes Senior Notes Common stock, shares issued Common Stock, Shares, Issued Measure: Measure [Axis] Balance at Beginning of Period Balance at End of Period Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Due within one year Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, Year One Entity Information [Line Items] Entity Information [Line Items] Treasury stock, shares Beginning balance, treasury stock (in shares) Ending balance, treasury stock (in shares) Treasury Stock, Common, Shares Forward contracts Forward Contracts [Member] 12 Months or Longer, Unrealized Loss Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Accumulated Other Comprehensive Income Comprehensive Income (Loss) Note [Text Block] Equity Components [Axis] Equity Components [Axis] Cash paid during the period for income taxes Income Tax Paid, after Refund Received Due after one year through five years Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year One through Five Entity Interactive Data Current Entity Interactive Data Current Available-for-sale Available-for-Sale Securities [Member] Non-interest expense Noninterest Expense [Abstract] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Due after one year through five 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 Total comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Loans subsequently defaulted Financing Receivable, Modified, Subsequent Default Marketing Marketing and Advertising Expense Termination Date Trading Arrangement Termination Date Tier 1 capital (to average assets) to be well capitalized under prompt corrective action provisions, ratio Tier One Leverage Capital Required to be Well Capitalized to Average Assets Banking Regulation, Tier 1 Leverage Capital Ratio, Well Capitalized, Minimum Fair Value Assets Measured On Non Recurring Basis Unobservable Input Reconciliation [Table] Fair Value Assets Measured On Non Recurring Basis Unobservable Input Reconciliation [Table] Schedule of fair value assets measured on nonrecurring basis using unobservable input reconciliation Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] CET1 for capital adequacy purposes, ratio Common Equity Tier 1, Capital Required for Capital Adequacy to Risk Weighted Assets Common Equity Tier 1, Capital Required for Capital Adequacy to Risk Weighted Assets Risk participation agreement - lead bank Risk Participation Agreements - Lead Bank [Member] Risk Participation Agreements - Lead Bank [Member] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Net interest income Interest Income (Expense), Operating MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Document Type Document Type Due after ten years Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Loss on redemption of long-term debt Gain (Loss) on Extinguishment of Debt Fair Value as of Grant Date Award Grant Date Fair Value Allowance for credit losses on available-for-sale debt securities Debt Securities, Available-for-Sale, Allowance for Credit Loss, Excluding Accrued Interest Schedule of Available-for-Sale Debt Securities in a Continuous Unrealized Loss Position Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] Tier One Leverage Capital to Average Assets Banking Regulation, Tier 1 Leverage Capital Ratio, Actual Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Arrangement Duration Trading Arrangement Duration Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Excess tax benefits from stock-based compensation arrangements Proceeds from Issuance of Long-Term Debt Local Phone Number Local Phone Number Entity Registrant Name Entity Registrant Name Entity Address, Postal Zip Code Entity Address, Postal Zip Code Caps and floors purchased Interest Rate Caps and Floors, Purchased [Member] Interest Rate Caps and Floors, Purchased Impaired loans, carrying value Fair Value Measurement With Unobservable Inputs Reconciliation Non Recurring Basis Asset Value Fair Value Measurement With Unobservable Inputs Reconciliation Non Recurring Basis Asset Value Less Than 12 Months, Unrealized Loss Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Pledged Status [Domain] Pledged Status [Domain] Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Short-term borrowings Interest Expense, Other Securities sold not yet purchased Security Sold Short, Fair Value Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Receivable Type [Axis] Receivable Type [Axis] Loan Restructuring Modification [Axis] Loan Restructuring Modification [Axis] Liabilities and Stockholders’ Equity Liabilities and Equity [Abstract] CET1 to be well capitalized under prompt corrective action provisions, ratio Common Equity Tier 1, Capital Required to be Well Capitalized to Risk Weighted Assets Common Equity Tier 1, Capital Required to be Well Capitalized to Risk Weighted Assets Term Extension Term Extension [Member] Term Extension Equity Award [Domain] Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Fair Value Disclosures Fair Value Disclosures [Text Block] Level 3 Fair Value, Inputs, Level 3 Fair Value, Inputs, Level 3 [Member] Asset Pledged as Collateral Asset Pledged as Collateral [Member] Supplemental disclosures of cash flow information Supplemental Cash Flow Information [Abstract] Transaction Type [Axis] Transaction Type [Axis] PEO Name PEO Name Cash Flow Hedges Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Schedule of Short-Term Debt [Table] Short-Term Debt [Table] Allowance for credit losses on held-to-maturity debt securities Debt Securities, Held-to-Maturity, Allowance for Credit Loss, Excluding Accrued Interest Net increase/(decrease) in short-term borrowings, net Proceeds from (Repayments of) Other Debt Customer-Initiated and Other Derivatives Customer-Initiated and Other Derivatives [Member] Customer-Initiated and Other Derivatives Accrued interest receivable and other assets Other Assets Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Risk participation agreement - participant bank Risk Participation Agreement - Participant Bank [Member] Risk Participation Agreement - Participant Bank [Member] 30-59 Days Past Due Financial Asset, 30 to 59 Days Past Due [Member] Entity Tax Identification Number Entity Tax Identification Number Cash and due from banks Cash and Due from Banks Schedule of an age analysis of accruing past due loans Financing Receivable, Past Due [Table Text Block] Debt and equity securities Interest and Dividend Income, Securities, Operating Current Current Financial Asset, Not Past Due [Member] Capital Banking Regulation, Total Capital, Actual Non-interest income Noninterest Income [Abstract] Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Preferred stock dividends Preferred stock dividends Preferred Stock Dividends, Income Statement Impact Fair value hedges, cumulative basis adjustments Fair Value Hedges, Cumulative Basis Adjustments Fair Value Hedges, Cumulative Basis Adjustments 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] Risk-Weighted Assets Calculation Methodology [Axis] Banking Regulation, Risk-Weighted Assets Calculation Methodology [Axis] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] 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] Fair Value, Measurement Frequency [Domain] Measurement Frequency [Domain] Debt Instrument [Axis] Debt Instrument [Axis] Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] Interest expense Interest Expense, Operating and Nonoperating [Abstract] Salaries and benefits Labor and Related Expense Decrease/(increase) in loans held for investment, excluding mortgage finance, net Payments for (Proceeds from) Loans and Leases Proceeds from maturities, redemptions and pay-downs of held-to-maturity debt securities Proceeds from Maturities, Prepayments and Calls of Held-to-Maturity Securities Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] Due after five years through ten years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Basic earnings/(loss) per common share (in usd per share) Earnings Per Share, Basic Measurement Input Type [Axis] Measurement Input Type [Axis] Repurchase of common stock Payments for Repurchase of Common Stock Collateralized Mortgage-Backed Securities Collateralized Mortgage-Backed Securities [Member] Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Deposits Bank Time Deposits [Member] Unrealized losses, net of tax to AOCI Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Award Type [Axis] Award Type [Axis] Interest rate contract Interest Rate Contract [Member] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Retained earnings Retained Earnings (Accumulated Deficit) Consumer Consumer Portfolio Segment [Member] Summary of short-term borrowings Schedule of Short-Term Debt [Table Text Block] Equity securities at fair value Equity Securities, FV-NI 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] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Short-Term Debt [Line Items] Short-Term Debt [Line Items] Common Stock Common Stock Common Stock [Member] Short-term borrowings Other Borrowings Fair Value Measurement [Domain] Fair Value Measurement [Domain] Schedule of Fair Value, Off-balance Sheet Risks [Table] Fair Value, off-Balance-Sheet Risk [Table] Recoveries Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Recovery Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Payment Deferral and Term Extension Payment Deferral and Term Extension [Member] Payment Deferral and Term Extension Financing receivable, excluding accrued interest, year five, originated, four years before current fiscal year, writeoff Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff Operations and Summary of Significant Accounting Policies Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Cover [Abstract] Series B Preferred Stock Series B Preferred Stock [Member] Derivative Contract [Domain] Derivative Contract [Domain] Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year, writeoff Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff Equity Awards Adjustments Equity Awards Adjustments [Member] Floating Rate Subordinated Debentures, Due 2032 to 2036 Floating Rate Subordinated Debentures, Due 2032 to 2036 [Member] Floating Rate Subordinated Debentures, Due 2032 to 2036 Total Past Due Non-Accrual Financial Asset, Past Due [Member] Hedging Relationship [Domain] Hedging Relationship [Domain] Available-for-sale debt securities gains/(losses) Debt Securities, Available-for-Sale, Realized Gain (Loss) Total liabilities and stockholders’ equity Liabilities and Equity Net gains/(losses) recognized during the period Realized Investment Gains (Losses) Employee Stock Option Share-Based Payment Arrangement, Option [Member] Purchases / Additions Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Accrued interest payable and other liabilities Increase (Decrease) in Other Operating Liabilities Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Asset Class [Axis] Asset Class [Axis] Revolving line of credit converted to term loans, writeoff Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan, Writeoff Pass Pass [Member] Wealth management and trust fee income Wealth Management And Trust Fee Income Wealth Management And Trust Fee Income Schedule of loans held for investments Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Trading debt securities Debt Securities, Trading Tabular List, Table Tabular List [Table Text Block] Additional paid-in capital Additional Paid in Capital Summary of Available-for-Sale Debt Securities Unrealized Gain (Loss) on Investments [Table Text Block] Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] Schedule of stock-based compensation costs Share-Based Payment Arrangement, Cost by Plan [Table Text Block] Stock-Settled Awards Stock-Settled Awards [Member] Stock-Settled Awards Name Awards Close in Time to MNPI Disclosures, Individual Name Entity Address, Country Entity Address, Country 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] Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Axis] Preferred stock, shares authorized Preferred Stock, Shares Authorized Basel III, Phased-In Advanced Approach, Phased-In [Member] Advanced Approach, Phased-In [Member] Total Debt Securities, Available-for-Sale, Weighted Average Yield Preferred stock Preferred Stock, Value, Issued Adjustment to Compensation: Adjustment to Compensation [Axis] Commercial mortgage-backed securities Commercial Mortgage-Backed Securities [Member] Hedging Designation [Domain] Hedging Designation [Domain] Share Repurchase Program [Axis] Share Repurchase Program [Axis] Beginning balance Ending balance Financing Receivable Allowance For Credit Losses Off Balance Sheet Liability Financing Receivable Allowance For Credit Losses Off Balance Sheet Liability Class of Stock [Domain] Class of Stock [Domain] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Cash paid during the period for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Foreign currency forward contracts Foreign Exchange Forward [Member] Hedging Designation [Axis] Hedging Designation [Axis] 60-89 Days Past Due Financial Asset, 60 to 89 Days Past Due [Member] Debt Security Category [Axis] Debt Security Category [Axis] Expected loss on held-to-maturity securities Debt Securities, Held-to-Maturity, Excluding Accrued Interest, Credit Loss Expense (Reversal) Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Non-accrual Non-accrual [Member] Non-accrual Name Measure Name Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Off-balance sheet liability Fair Value Disclosure, off-Balance-Sheet Risks, Amount, Liability Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Interest and fees on loans Interest and Fee Income, Financing Receivable Basel III, Phase-In Schedule Advanced Approach, Phase-In Schedule [Member] Advanced Approach, Phase-In Schedule [Member] Additional Paid-in Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Total, Fair Value Debt Securities, Available-for-Sale, Unrealized Loss Position Due after five years through ten years Debt Securities, Available-for-Sale, Weighted Average Yield, Maturity, after Year 5 Through 10 Schedule of financial instruments with off-balance sheet risk Schedule of Fair Value, off-Balance-Sheet Risks [Table Text Block] Federal Funds Purchased Federal Funds Purchased [Member] Interest receivable Interest Receivable Name Trading Arrangement, Individual Name Long-term debt Interest Expense, Subordinated Notes and Debentures Compensation Related Costs [Abstract] Compensation Related Costs [Abstract] Company Selected Measure Amount Company Selected Measure Amount Financing Receivables, Period Past Due [Axis] Financial Asset, Aging [Axis] Non-hedging derivatives Not Designated as Hedging Instrument Not Designated as Hedging Instrument [Member] Investments, Debt and Equity Securities [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization Deposits [Abstract] Deposits [Abstract] Summary of Unrealized and Realized Gains/(Losses) Recognized in Net Income on Equity Securities Gain (Loss) on Securities [Table Text Block] Entity Address, Address Line Two Entity Address, Address Line Two Issuance of stock related to stock-based awards (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Allowance for Loan and Lease Losses [Roll Forward] Allowance for Loan and Lease Losses [Roll Forward] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Accounts and Financing Receivables [Table] Derivative liabilities Net liability derivatives included in the consolidated balance sheets Derivative Liability Non-PEO NEO Non-PEO NEO [Member] Senior Notes Senior Notes [Member] Credit risk transfer securities Credit Risk Contract [Member] Non-interest bearing deposits Noninterest-Bearing Deposit Liabilities, Domestic Entity Address, Address Line One Entity Address, Address Line One Fair Value Debt Securities, Held-to-Maturity, Maturity, Allocated and Single Maturity Date, Fair Value [Abstract] Income tax expense Income Tax Expense (Benefit) Total non-interest expense Noninterest Expense Fair Value Hedging Fair Value Hedging [Member] Risks and Uncertainties [Abstract] Risks and Uncertainties [Abstract] Award Timing Method Award Timing Method [Text Block] Unearned income (net of direct origination costs) Financing Receivable, Deferred Commitment Fee Financing receivable, excluding accrued interest, allowance for credit loss, writeoff Charge-offs Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Brokered loan fees Mortgage And Premium Finance Loan Fees New Accounting Standards Accounting Standards Update and Change in Accounting Principle [Text Block] Net income 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] Loan Restructuring Modification [Domain] Loan Restructuring Modification [Domain] Statement [Table] Statement [Table] Schedule of Financing Receivables Past Due [Table] Financing Receivable, Past Due [Table] Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets Banking Regulation, Tier 1 Risk-Based Capital Ratio, Well Capitalized, Minimum Restatement Determination Date: Restatement Determination Date [Axis] Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Interest bearing cash and cash equivalents Interest Income, Domestic Deposits Financing receivable, excluding accrued interest, year two, originated, fiscal year before current fiscal year Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year Estimated fair value, asset derivative Derivative Asset, Subject to Master Netting Arrangement, before Offset Amortized Cost Debt Securities, Held-to-Maturity, Amortized Cost Excluding Accrued Interest, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date [Abstract] Loans held for sale Loan, Held-for-Sale, Fair Value Disclosure Fair Value Assets Measured On Non Recurring Basis Unobservable Input Reconciliation [Line Items] Fair Value Assets Measured On Non Recurring Basis Unobservable Input Reconciliation [Line Items] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract]