Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Type of Borrower [Axis] Type of Borrower [Axis] Trading Arrangement: Trading Arrangement [Axis] Maximum Maximum [Member] Loans HFS Financing Receivable, Held-for-Sale 2026 Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff Estimated Fair Value Portion at Fair Value Measurement [Member] Title of 12(b) Security Title of 12(b) Security Subsequent Events Subsequent Event [Member] Carrying Amount Reported Value Measurement [Member] Schedule of Available-for-sale Securities [Table] Debt Securities, Available-for-Sale [Table] Net (loss) earnings available to common and equivalent stockholders, diluted Net Income (Loss) Available to Common Stockholders, Diluted FHLB Secured Advances Due 05/28/2027 FHLB Secured Advances Due 05/28/2027 [Member] FHLB Secured Advances Due 05/28/2027 Thereafter Sales-Type and Direct Financing Leases, Payment to be Received, After Year Four Sales-Type and Direct Financing Leases, Payment to be Received, After Year Four Weighted Average Rate Debt, Weighted Average Interest Rate Schedule of Assets Measured at Fair Value on Non-Recurring Basis Fair Value Measurements, Nonrecurring [Table Text Block] Adjustment to Compensation, Amount Adjustment to Compensation Amount Financial Instrument [Axis] Financial Instrument [Axis] Trust CS 2006-1 Two Thousand Six One Term Debt Securitization [Member] Two thousand six, one term debt securitization. Financing Receivable, Nonaccrual [Table] Financing Receivable, Nonaccrual [Table] Segment Reporting [Abstract] Conversion of NVCE to voting common stock (in shares) Conversion of Stock, Shares Issued Schedule of Aggregate Future Amortization Expense Intangible Asset, Finite-Lived, and Capitalized Cost, Software to be Sold, Leased, or Marketed, Estimated Amortization Expense [Table Text Block] Deferred tax asset, net Deferred Tax Assets, Tax Deferred Expense Standby letters of credit Guarantor Obligations, Maximum Exposure, Undiscounted Trust Preferred securities 2006-3 Trust Preferred Securities Two Thousand Six Series Three [Member] Trust Preferred Securities Two Thousand Six Series Three. Redemptions of FHLB and FRB stock Proceeds from Sale of Federal Reserve Bank Stock Derivative Instrument [Axis] Derivative Instrument [Axis] Measurement Frequency [Axis] Measurement Frequency [Axis] Stock repurchased (usd per share) Shares Acquired, Average Cost Per Share Intangible asset amortization Finite-Lived Intangible Assets, Amortization And Impairment Finite-Lived Intangible Assets, Amortization And Impairment Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Financial Instrument Performance Status [Domain] Financial Instrument Performance Status [Domain] Issuances Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances 1-2 High pass 1-2 High Pass [Member] 1-2 High Pass [Member] Asset-backed securities Asset-Backed Securities [Member] Second Amended and Restated 2018 Plan Second Amended and Restated Two Thousand Eighteen Plan [Member] Second Amended and Restated Two Thousand Eighteen Plan Interest receivable Interest and fees receivable income Interest and fees receivable income earned but not yet collected Present value of lease payments Sales-type and Direct Financing Leases, Lease Receivable Leases [Abstract] Leases [Abstract] Other comprehensive income, net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Interest Rate Reduction Contractual Interest Rate Reduction [Member] Total gross loans and leases HFI Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process Federal Home Loan Bank of San Francisco Federal Home Loan Bank of San Francisco [Member] Schedule of Held-to-maturity Securities Debt Securities, Held-to-Maturity [Table Text Block] RELATED PARTY TRANSACTIONS Related Party Transactions Disclosure [Text Block] Gross unrealized losses, total Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss Common stock, par value (usd per share) Common Stock, Par or Stated Value Per Share Intangible assets, net Intangible Asset, Excluding Goodwill, after Accumulated Amortization Unvested restricted shares (shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Schedule of Loan Modifications Financing Receivable, Modified [Table Text Block] Borrowings Borrowings [Member] Amortization of net premiums on investment securities Accretion (Amortization) of Discounts and Premiums, Investments Debt collateral Debt Instrument, Collateral Amount Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Number of reportable segments Number of Reportable Segments Securities HTM, at amortized cost, net of allowance for credit losses (fair value of $0 and $2,246,526, respectively)(ACL of $0 and $695, respectively) Net carrying amount Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss Dividends and gains (losses) on equity investments Dividends and Gains (Losses) on Equity Investments Dividends and Gains (Losses) on Equity Investments Schedule of Derivative Instruments Schedule of Derivative Instruments [Table Text Block] Individually evaluated Financing Receivable, Allowance for Credit Loss, Individually Evaluated Operating lease expense: Lease, Cost [Abstract] Entity Address, City or Town Entity Address, City or Town Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Class of Financing Receivable [Domain] Class of Financing Receivable [Domain] Receivables [Abstract] Receivables [Abstract] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Subordinated debt Subordinated debt Subordinated Debentures Subordinated Debentures Not Part of Long-Term Liabilities Net CDI and CRI, end of period Intangible Asset, Finite-Lived, after Accumulated Amortization Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Federal Home Loan Bank Branch [Axis] Federal Home Loan Bank Branch [Axis] Schedule of Losses Recognized on Assets Net Losses (Gains) on Nonrecurring Assets [Table Text Block] Net Losses (Gains) on Nonrecurring Assets [Table Text Block] 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] 2029 Lessor, Operating Lease, Payment to be Received, Year Three 90 or More Days Past Due Financial Asset, Equal to or Greater than 90 Days Past Due [Member] Schedule of Segment Reporting, Reconciliation of Asset by Segment to Consolidated Segment Reporting, Reconciliation of Asset by Segment to Consolidated [Table Text Block] 30 TO 89 Days Past Due Financial Asset, 30 To 89 Days Past Due [Member] Financial Asset, 30 To 89 Days Past Due Subsequent Event Type [Axis] Subsequent Event Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Unrealized (loss) gain on cash flow hedges, net of tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Class B non-voting Nonvoting Common Stock [Member] 6-8 Classified 6-8 Classified [Member] 6-8 Classified [Member] Transfer from Level 2 Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3 Use of Estimates Use of Estimates, Policy [Policy Text Block] LOCOM HFS adjustment Gain (Loss) on Sale of Mortgage Loans Other comprehensive income, net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Summary of Level 3 Liabilities Activity Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Interest rate collars Interest Rate Collars [Member] Interest Rate Collars Service charges on deposit accounts Service charges on deposit accounts Fees and Commissions, Depositor Accounts1 Fees and Commissions, Depositor Accounts1 Trust CIII Subordinated Debt Trust CIII Due September 2035 [Member] This element represents the subordinated debentures series Trust CIII, due September 2035. Subordinated debt has a lower priority of repayment in liquidation of the entity's assets. Fair value, 2027 to 2031 Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Schedule of Maturities of Operating Leases Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Document Period End Date Document Period End Date Aggregate unpaid principal balance in excess of fair value Aggregate Unpaid Principal Balance in Excess of (Less Than) Fair Value Aggregate Unpaid Principal Balance in Excess of (Less Than) Fair Value Preferred stock outstanding, beginning balance (in shares) Preferred stock outstanding, ending balance (in shares) Preferred stock outstanding (in shares) Preferred Stock, Shares Outstanding 2028 Lessee, Operating Lease, Liability, to be Paid, Year Two Gross realized losses Debt Securities, Available-for-Sale, Realized Loss Schedule of Commitments Long-Term Purchase Commitment [Table Text Block] LEASES Lessor, Operating Leases [Text Block] Amortization cost, after 2036 Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10 2026 Sales-Type and Direct Financing Leases, Payment to be Received, Remainder of Fiscal Year Accumulated other comprehensive loss, net Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Total included in earnings Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings % of Total Loans Financing Receivable, Excluding Accrued Interest, Modified in Period, to Total Financing Receivables, Percentage Schedule of Nonaccural Loans and Leases Finance Receivable Investment And Interest Income, Nonaccrual [Table Text Block] Finance Receivable Investment And Interest Income, Nonaccrual [Table Text Block] Gain on sale of loans and leases Gain (Loss) on Sales of Consumer Loans Subordinated notes Subordinated Notes Due October 30, 2030 [Member] Subordinated Notes Due October 30, 2030 Real estate mortgage Mortgages [Member] PMB Capital Trust III PMB CapitalTrust III [Member] PMB CapitalTrust III (Loss) Earnings Per Share Earnings Per Share [Text Block] FHLB Secured Advances Due 10/30/2026 FHLB Secured Advances Due 10/30/2026 [Member] FHLB Secured Advances Due 10/30/2026 (Loss) earnings per share: Earnings Per Share [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Warrant income Warranty Income [Member] Warranty Income Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Total liabilities Liabilities Trading Symbol Trading Symbol Interest Rate Reduction Financing Receivable, Modified, Weighted-Average Interest Rate Decrease from Modification Discount rates Measurement Input, Discount Rate [Member] Transfers to Level 1 (equity investments with readily determinable fair values) Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3 Purchases of premises and equipment Payments to Acquire Property, Plant, and Equipment Financing Receivable, Allowance for Credit Loss [Line Items] Financing Receivable, Allowance for Credit Loss [Line Items] Company Selected Measure Name Company Selected Measure Name Total included in other comprehensive income Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) Purchases of securities AFS Payments to Acquire Debt Securities, Available-for-Sale Fixed rate (as a percent) Derivative, Fixed Interest Rate Deposits Interest Expense, Deposits Rate Rate Long-Term Debt, Percentage Bearing Fixed Interest, Percentage Rate Trust V Subordinated Debt Trust V Due September 2033 [Member] This element represents the subordinated debentures series Trust V due September 2033. Subordinated debt has a lower priority of repayment in liquidation of the entity's assets. Financial Instrument Performance Status [Axis] Financial Instrument Performance Status [Axis] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Credit Facility [Domain] Credit Facility [Domain] Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Equity warrants Equity Warrants Equity Warrants Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Fair value transfers of assets measured on a recurring basis Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 FHLB Secured Advances Due 08/03/2026 FHLB Secured Advances Due 08/03/2026 [Member] FHLB Secured Advances Due 08/03/2026 Schedule of Investment Income Investment Income [Table Text Block] U.S. Treasury securities US Treasury Securities [Member] Financing Receivable, Troubled Debt Restructuring [Line Items] Financing Receivable, Modified [Line Items] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Current borrowing capacity Line of Credit Facility, Current Borrowing Capacity Summary of Level 3 Asset Activity Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Operating cash flows from operating leases Operating Lease, Payments Award Timing Predetermined Award Timing Predetermined [Flag] Leased equipment depreciation Lease Equipment Depreciation Lease Equipment Depreciation Interest income: Interest and Dividend Income, Operating [Abstract] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Investment in FRB and FHLB stock Investment In FRB And FHLB Stock [Member] Investment In FRB And FHLB Stock Level 1 Fair Value, Inputs, Level 1 [Member] Other commercial Other Commercial [Member] Other Commercial [Member] AFS securities pledged as collateral Security Owned and Pledged as Collateral, Associated Liabilities, Fair Value Loss on securities AFS Gain (Loss) on Sale of Investments Aggregate net investment in leases Direct Financing Lease, Net Investment in Lease, before Allowance for Credit Loss Changes in fair value - other comprehensive (loss) income Changes in Fair Value - Other Comprehensive Income Changes in Fair Value - Other Comprehensive Income Reserve for Unfunded Loan Commitments Off-Balance-Sheet, Credit Loss, Liability [Roll Forward] With No Related Allowance Recorded: Financing Receivable, Individually Evaluated, without Allowance for Credit Loss Class of Financing Receivable [Axis] Class of Financing Receivable [Axis] LIHTC investments Low Income Housing Tax Credit - LIHTC Low Income Housing Tax Credit - LIHTC Agency residential MBS Residential Mortgage-Backed Securities [Member] Borrowings at fair value Borrowings Long-Term Debt, Fair Value Investor with Common Stock [Axis] Investor with Common Stock [Axis] Investor with Common Stock Plan Name [Domain] Plan Name [Domain] Segment One Reportable Segment [Member] One Reportable Segment Net purchase discounts Financing Receivable, Unamortized Purchase Discount Financing Receivable, Unamortized Purchase Discount Amortized cost, total Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Amortized Cost Elimination upon CRI write-off Intangible Asset, Finite-Lived, Amortization Expense, Writeoff Intangible Asset, Finite-Lived, Amortization Expense, Writeoff Federal Home Loan Bank Branch [Domain] Federal Home Loan Bank Branch [Domain] Operating lease ROU assets, net Operating Lease, Right-of-Use Asset Concentration Risk Type [Domain] Concentration Risk Type [Domain] Amortization cost, remainder of fiscal year 2026 Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One Fair Value Fair Value Disclosures [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Reclassification, Type [Domain] Reclassification, Type [Domain] Balance outstanding Long-Term Line of Credit Period ending December 31, Lessor, Operating Lease, Payment to be Received, Fiscal Year Maturity [Abstract] Total losses Total Net Gain (Loss) from Nonrecurring Assets Total Net Gain (Loss) from Nonrecurring Assets Common stock dividends paid Payments of Ordinary Dividends, Common Stock Expiration Date Trading Arrangement Expiration Date Hedging Relationship [Axis] Hedging Relationship [Axis] Individually evaluated loans and leases Non Purchased Credit Impaired Loans and Leases [Member] Represents information pertaining to loans and leases that were not impaired at the time of purchase. These assets are not accounted for under Accounting Standard Codification Topic 310-30. Gross unrealized gains Debt Securities, Held-to-Maturity, Accumulated Unrecognized Gain Restricted cash and cash equivalent Restricted Cash and Cash Equivalent 2029 Sales-Type and Direct Financing Leases, Payment to be Received, Year Three Subordinated debt Subordinated Debt [Member] Issuances Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Issuances Net charge-offs Net charge-offs Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Interest-bearing deposits Interest-Bearing Deposit Liabilities Commercial Commercial Real Estate [Member] Voting common stock conversion ratio Common Stock, Convertible, Conversion Ratio Common Stock, Convertible, Conversion Ratio Revolving loans Financing Receivable, Revolving Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Related Party Transaction [Axis] Related Party Transaction [Axis] Unrecognized share based compensation expense Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Threshold trading days Common Stock, Warrants, Threshold Trading Days Common Stock, Warrants, Threshold Trading Days 2027 Lessor, Operating Lease, Payment to be Received, Year One FHLB Secured Advances Due 06/24/2027 FHLB Secured Advances Due 06/24/2027 [Member] FHLB Secured Advances Due 06/24/2027 Segments [Domain] Segments [Domain] Interest rate swaps Interest Rate Swap [Member] BORROWINGS AND SUBORDINATED DEBT Debt Disclosure [Text Block] Warrants issue price (usd per share) Common Stock, Warrants Issued, Per Share Price Common Stock, Warrants Issued, Per Share Price Total loans and leases HFI, net Financing Receivable, after Allowance for Credit Loss Available For Sale Investments [Domain] Available For Sale Investments [Domain] Available For Sale Investments [Domain] Trust CII Subordinated Debt Trust CII Due September 2033 [Member] This element represents the subordinated debentures series Trust CII due September 2033. Subordinated debt has a lower priority of repayment in liquidation of the entity's assets. PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount FHLB secured advances Secured Debt [Member] 2023 Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff SBIC investments SBIC Investments SBIC Investments Interest rate and foreign exchange contracts Interest Rate And Foreign Exchange Contracts [Member] Interest Rate And Foreign Exchange Contracts Debt interest rate Debt Instrument, Interest Rate, Stated Percentage Total stockholders' equity Beginning Period Balance Ending Period Balance Equity, Attributable to Parent ASSETS: Assets [Abstract] Payment Delay Payment Deferral [Member] Securities available for sale, amortized cost Amortized cost Debt Securities, Available-for-Sale, Amortized Cost Warburg Investors Warburg Investors [Member] Warburg Investors Schedule of Credit Risk Rating for Loans and Leases Financing Receivable Credit Quality Indicators [Table Text Block] Nonrecurring Fair Value, Nonrecurring [Member] Other professional services Professional Fees Insider Trading Policies and Procedures [Line Items] Lease payments receivable Direct Financing Lease, Lease Receivable Nonaccrual Nonperforming Financial Instruments [Member] Performance Shares Performance Shares [Member] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Net increase in interest-bearing deposits Increase Decrease In Interest Bearing Domestic And Foreign Deposits Increase Decrease In Interest Bearing Domestic And Foreign Deposits Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Increase other assets Increase (Decrease) In Other Assets, Miscellaneous Increase (Decrease) In Other Assets, Miscellaneous Entity Central Index Key Entity Central Index Key Net interest income after provision for credit losses Interest Income (Expense), after Provision for Loan Loss 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] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Schedule of Investments [Line Items] Schedule of Investments [Line Items] Preferred stock dividend rate Preferred Stock, Dividend Rate, Percentage Schedule of Payment Status of Loans Finance Receivable, Loan Modifications, Payment Status [Table Text Block] Finance Receivable, Loan Modifications, Payment Status Financing Receivable, Troubled Debt Restructuring [Table] Financing Receivable, Modified [Table] Variable rate Debt Instrument, Basis Spread on Variable Rate Revolving converted to term loans Financing Receivable, Revolving, Converted to Term Loan, Net Financing Receivable, Revolving, Converted to Term Loan, Net Securities HTM Held-to-Maturity Securities [Member] Restricted Stock Restricted Stock [Member] Accumulated Other Comprehensive Loss, Net AOCI Attributable to Parent [Member] Costs and expenses, related party Costs and Expenses, Related Party All Individuals All Individuals [Member] Subordinated Borrowing [Line Items] Subordinated Borrowing [Line Items] Private label commercial MBS Mortgage-Backed Securities, Issued by Private Enterprises [Member] Leased equipment income Lease Equipment Income [Member] Lease Equipment Income [Member] 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] Performing Performing Financial Instruments [Member] Income tax expense related to amortization of unrealized net loss on securities transferred from AFS to HTM OCI, Debt Securities, Available-for-Sale, Transfer to Held-to-Maturity, Adjustment from AOCI for Amortization of Gain (Loss), Tax Statement [Line Items] Statement [Line Items] 2025 Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Net Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Net Total assets Segment total assets Assets Period ending December 31, Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Contract liabilities, which are included in "Accrued interest payable and other liabilities" Contract With Customer, Liabilities Reclassified to Other Assets Contract With Customer, Liabilities Reclassified to Other Assets Term Extension Extended Maturity [Member] Total interest expense Interest expense credit-linked Interest Expense, Operating NVCE Non-voting Share Class NVCE Non-voting Share Class [Member] NVCE Non-voting Share Class Internal Credit Assessment [Domain] Internal Credit Assessment [Domain] Shares repurchased under Stock Repurchase Program including excise tax Shares Repurchased Under Stock Repurchased Program, Including Excise Tax Shares Repurchased Under Stock Repurchased Program, Including Excise Tax Reclassification adjustment for net losses included in net earnings Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax Equity investments with readily determinable fair values Equity Securities without Readily Determinable Fair Value, Amount Gross unrealized gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax STOCKHOLDERS' EQUITY Share-Based Payment Arrangement [Text Block] Nonaccrual loans Nonaccrual Loans And Leases Benchmark [Member] Nonaccrual Loans And Leases Benchmark Occupancy Occupancy, Net PEO PEO [Member] Noninterest-bearing deposits Noninterest-Bearing Deposit Liabilities Goodwill Goodwill Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Non-voting common stock equivalents ($0.01 par value, — shares issued at June 30, 2026 and 5,017,064 shares issued at December 31, 2025) Non-voting Common Stock Equivalents Non-voting Common Stock Equivalents Retained Deficit Retained Earnings [Member] Term extension, interest rate reduction, and principal forgiveness Term Extension, Interest Rate Reduction, and Forgiveness Combination Term Extension, Interest Rate Reduction And Forgiveness [Member] Combination Term Extension, Interest Rate Reduction And Forgiveness Operating lease, impairment loss Operating Lease, Impairment Loss Thereafter Lessor, Operating Lease, Payment to be Received, after Year Four Lessor, Operating Lease, Payment to be Received, after Year Four Deferred fees, net Financing Receivable, Unamortized Loan Cost (Fee) Stockholders' Equity Disclosure [Rollforward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, outstanding (in shares) Common stock, outstanding, beginning balance (in shares) Common stock, issued, ending balance (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Schedule of Carrying Amounts and Estimated Fair Values Fair Value, by Balance Sheet Grouping [Table Text Block] Anti-dilutive Shares for Earnings Per Share [Axis] Anti-dilutive Shares for Earnings Per Share [Axis] Anti-dilutive Shares for Earnings Per Share Financing Receivable, Past Due [Line Items] Financing Receivable, Past Due [Line Items] Corporate debt securities Corporate Debt Securities [Member] Diluted (usd per share) Diluted (loss) earnings per share (usd per share) Earnings Per Share, Diluted Total Financing Receivable, Modified, after 12 Months Internal Credit Assessment [Axis] Internal Credit Assessment [Axis] Insurance and assessments Federal Deposit Insurance Corporation Premium Expense Provision for credit losses Provision Financing Receivable, Credit Loss, Expense (Reversal) Amortization expense Intangible Asset, Finite-Lived, Amortization Expense Share-based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Stock Repurchase Plan - March 23, 2026 Stock Repurchase Plan - March 23, 2026 [Member] Stock Repurchase Plan - March 23, 2026 Revenue from Contracts with Customers Total revenue from contracts with customers Revenue from Contract with Customer, Excluding Assessed Tax Allowance for loan and lease losses Allowance for loan and lease losses Balance, beginning of period Balance, end of period Financing Receivable, Allowance for Credit Loss Stock repurchased during period Stock Repurchased During Period, Value Interest rate and foreign exchange contracts Interest Rate Foreign Exchange Contracts [Member] Interest Rate Foreign Exchange Contracts Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Agency residential MBS Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member] NR Standard & Poor's, No Credit Rating [Member] Standard & Poor's, No Credit Rating Weighted average interest rate Long-Term Debt, Weighted Average Interest Rate, at Point in Time Multi-family Multifamily [Member] OREO Other Real Estate Income tax benefit related to change in fair value of credit-linked notes Income Tax Expense Related to Change In Fair Value of Credit-linked Notes Income Tax Expense Related to Change In Fair Value of Credit-linked Notes Proceeds from borrowings Proceeds from Issuance of Debt Dividend income Investment Income, Dividend Loss on securities AFS Loss On Securities AFS [Member] Loss On Securities AFS Related Party Transaction [Domain] Related Party Transaction [Domain] Collateral Held [Axis] Collateral Held [Axis] Consecutive trading days Common Stock, Warrants, Threshold Consecutive Trading Days Common Stock, Warrants, Threshold Consecutive Trading Days Cash dividends paid: Common stock Adjustments to Additional Paid in Capital, Dividends in Excess of Retained Earnings Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Credit-linked notes Notes and Loans Payable Schedule of Collateral-Dependent Loans Collateral-dependent Finance Receivable [Table Text Block] Collateral-dependent Finance Receivable [Table Text Block] Restricted Cash and Cash Equivalent Item [Line Items] Restricted Cash and Cash Equivalent Item [Line Items] Schedule of Activity in ACL Financing Receivable, Allowance for Credit Loss [Table Text Block] Common stock, issued (in shares) Common stock, issued, ending balance (in shares) Common Stock, Shares, Issued Stock Repurchase Plan - March 17, 2025 Stock Repurchase Plan - March 17, 2025 [Member] Stock Repurchase Plan - March 17, 2025 Balance, December 31, 2025 Balance, June 30, 2026 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Revolving converted to term loans Financing Receivable, Revolving, Converted to Term Loan, Writeoff OTHER ASSETS Other Assets Disclosure [Text Block] Restricted cash and restricted cash equivalents Restricted Cash And Restricted Cash Equivalents Restricted Cash And Restricted Cash Equivalents Allowance for credit loss Allowance for credit loss Debt Securities, Available-for-Sale, Allowance for Credit Loss Revolving converted to term loans 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 Product and Service [Domain] Product and Service [Domain] Loans and leases HFI, net Loans And Leases, HFI, Net [Member] Loans And Leases, HFI, Net Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Loss (gain) on sale of foreclosed assets Gains (Losses) on Sales of Other Real Estate Noninterest expense: Noninterest Expense [Abstract] Period ending December 31, Sales-Type and Direct Financing Leases, Payment to be Received, Fiscal Year Maturity [Abstract] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Term extension and payment delays Financing Receivable, Modified, Subsequent Default 2029 Lessee, Operating Lease, Liability, to be Paid, Year Three Termination Date Trading Arrangement Termination Date Subsequent Events [Abstract] Subsequent Events [Abstract] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Schedule of Available-for-sale Investments Classified by Contractual Maturity Date Available-for-sale Investments Classified by Contractual Maturity Date [Table Text Block] Available-for-sale Investments Classified by Contractual Maturity Date Fair Value as of Grant Date Award Grant Date Fair Value Collateral Pledged Collateral Pledged [Member] Schedule of Unrealized Losses on Investment Securities Available-for-sale Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Remaining authorized amount Share Repurchase Program, Remaining Authorized, Amount Changes in fair value - gains included in earnings Changes in Fair Value - Gains (Losses) Changes in Fair Value - Gains (Losses) Arrangement Duration Trading Arrangement Duration Customer related expense Customer Related Expense Customer Related Expense Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Less than 12 months, gross unrealized losses Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Revenues Revenues Balance, beginning of period Balance, end of period Intangible Asset, Finite-Lived, before Accumulated Amortization Other Assets [Abstract] Other Assets [Abstract] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Loan Restructuring Modification [Axis] Loan Restructuring Modification [Axis] Fair value, total Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Award Type [Domain] Award Type [Domain] 2026 Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year FAIR VALUE MEASUREMENTS AND FAIR VALUE OF FINANCIAL INSTRUMENTS Fair Value Disclosures [Text Block] Level 3 Fair Value, Inputs, Level 3 [Member] Equipment leased to others under operating leases Equipment Leased To Others Under Operating Leases Equipment Leased To Others Under Operating Leases 2027 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year One 2025 Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff Total undiscounted cash flows Lessor, Operating Lease, Payment to be Received 2030 Sales-Type and Direct Financing Leases, Payment to be Received, Year Four Residential Residential Real Estate Construction Financing Receivable [Member] Residential Real Estate Construction Financing Receivable [Member] Other assets Other assets Other Assets Fair value, liability Hedged Liability, Fair Value Hedge Other equity and CRA investments Equity Investments Without Readily Determinable Fair Value Equity Investments Without Readily Determinable Fair Value Liability Class [Axis] Liability Class [Axis] Reserve for unfunded loan commitments Reserve for Unfunded Loan Commitments Reserve for Unfunded Loan Commitments NVCE repurchased Treasury Stock, Value, Acquired, Cost Method Noninterest income: Noninterest Income [Abstract] Schedule of Supplemental Balance Sheet Information Related to Operating Leases Assets And Liabilities, Lessee [Table Text Block] Assets And Liabilities, Lessee [Table Text Block] Total cash, cash equivalents, and restricted cash Cash, cash equivalents, and restricted cash, beginning of period Cash, cash equivalents, and restricted cash, end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Schedule of Leases Receivable Assets and Liabilities, Lessor [Table Text Block] Assets and Liabilities, Lessor [Table Text Block] Gross charge-offs Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] Non-NEOs Non-NEOs [Member] Agency residential CMOs Government agency and government-sponsored enterprise collateralized mortgage obligations [Member] Government agency and government-sponsored enterprise collateralized mortgage obligations [Member] Allowance for Loan and Lease Losses: Financing Receivable, Allowance for Credit Loss [Roll Forward] Products and services transferred over time Product and Services Transferred Over Time Product and Services Transferred Over Time 2028 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Two Schedule of Debt Schedule of Debt [Table Text Block] Customer [Domain] Customer [Domain] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Amortization cost, 2032 to 2036 Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Common shares repurchased under Stock Repurchase Program Payments for Repurchase of Common Stock Risk-free interest rate Measurement Input, Risk Free Interest Rate [Member] Time-Based Restricted Stock Awards Time-Based Restricted Stock Awards [Member] Time-Based Restricted Stock Awards [Member] Statistical Measurement [Axis] Statistical Measurement [Axis] Pledged cash for derivative contracts Pledged Cash for Derivative Contracts Pledged Cash for Derivative Contracts Award Type [Axis] Award Type [Axis] Interest rate contracts Interest Rate Contract [Member] 2026 Lessor, Operating Lease, Payment to be Received, Remainder of Fiscal Year Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Real Estate Real Estate [Member] Retained deficit Retained Earnings (Accumulated Deficit) Trust CS 2007-2 Trust Preferred Securities Two Thousand Seven Series Two [Member] Trust Preferred Securities Two Thousand Seven Series Two. Consumer Consumer Portfolio Segment [Member] Provision for losses on foreclosed assets Provision For Losses On Foreclosed Assets Provision For Losses On Foreclosed Assets Product and Service [Axis] Product and Service [Axis] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Unobservable Inputs [Domain] Unobservable Inputs [Domain] [Domain] for Unobservable Inputs [Axis] Common Stock Common Stock [Member] Amortization of unrealized net loss on securities transferred from AFS to HTM, net of tax Amortization of Unrealized Net Loss on Securities Transferred From Available-For-Sale to Held-to-Maturity, net of tax Amortization of Unrealized Net Loss on Securities Transferred From Available-For-Sale to Held-to-Maturity, Net of Tax Securities AFS, at fair value, net of allowance for credit losses (amortized cost of $0 and $2,646,414, respectively)(ACL of $— and $775, respectively) Fair value Total securities AFS Debt Securities, Available-for-Sale Fixed costs Operating Lease, Cost Restricted stock surrendered Restricted stock surrendered Restricted stock surrendered Depository share ratio Depository Share Interest Ratio Depository Share Interest Ratio Derivative Contract [Domain] Derivative Contract [Domain] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Other residential Other Residential Real Estate [Member] Other Residential Real Estate Total Past Due Financial Asset, Past Due [Member] Net loss on sale of securities Net loss on sale of securities Debt Securities, Available-for-Sale, Realized Gain (Loss) Amortized cost of securities sold Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Sold, Amount Total liabilities and stockholders' equity Liabilities and Equity Variable costs Variable Lease, Cost Purchases of FHLB and FRB stock Payments to Acquire Federal Reserve Bank Stock Employee Stock Option Share-Based Payment Arrangement, Option [Member] Trust CS 2006-4 Trust Preferred Securities Two Thousand Six Series Four [Member] Trust Preferred Securities Two Thousand Six Series Four. Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Asset Class [Axis] Asset Class [Axis] Tabular List, Table Tabular List [Table Text Block] AA Standard & Poor's, AA Rating [Member] Additional paid-in capital Additional Paid in Capital 2024 Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Net Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Net 2029 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Three 2026 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Remainder of Fiscal Year 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] Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Axis] Loans transferred to foreclosed assets Real Estate Owned, Transfer to Real Estate Owned Nonvoting Common Stock Equivalents Nonvoting Common Stock Equivalents [Member] Nonvoting Common Stock Equivalents Trust CS 2006-5 Trust Preferred Securities Two Thousand Six Series Five [Member] Trust Preferred Securities Two Thousand Six Series Five. Preferred stock Preferred Stock, Value, Issued Proceeds from maturities and paydowns of securities HTM Proceeds from Maturities and Paydowns of Securities Held-to-maturity Proceeds from Maturities and Paydowns of Securities Held-to-maturity Adjustment to Compensation: Adjustment to Compensation [Axis] Remaining life assumption (in years) Equity Warrants, Measurement Input, Remaining Life Equity Warrants, Measurement Input, Remaining Life Real estate construction and land Real Estate Construction And Land [Member] Real Estate Construction And Land Schedule of Maturities of Leases Sales-Type and Direct Financing Leases, Payment to be Received, Maturity [Table Text Block] Credit concentration Credit Concentration Risk [Member] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Less: Earnings allocated to unvested restricted stock Undistributed Earnings (Loss) Allocated to Participating Securities, Basic Credit Facility [Axis] Credit Facility [Axis] Assets Total non-recurring Fair value Financial Assets: Assets, Fair Value Disclosure Proceeds from sales of foreclosed assets Proceeds from Sale of Foreclosed Assets Name Measure Name Pay vs Performance Disclosure [Line Items] Three largest loan relationships Three Largest Loan Relationships [Member] Three Largest Loan Relationships Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Debt Instrument [Line Items] Debt Instrument [Line Items] Equity Warrants Equity Warrants [Member] Equity Warrants Subordinated debt Subordinated Debentures, Gross Subordinated Debentures, Gross Not Part Of Lont-term Liabilities Loans and leases Interest and Fee Income, Financing Receivable Additional Paid-in Capital Additional Paid-in Capital [Member] Payment Delay Financing Receivable, Modified, Weighted-Average Payment Deferral, Period Financing Receivable, Modified, Weighted-Average Payment Deferral, Period Trust VI Subordinated Debt Trust VI Due September 2033 [Member] This element represents the subordinated debentures series Trust VI, due September 2033. Subordinated debt has a lower priority of repayment in liquidation of the entity's assets. Stock Repurchase Plan - April 23, 2025 Stock Repurchase Plan - April 23, 2025 [Member] Stock Repurchase Plan - April 23, 2025 Interest receivable Interest Receivable Name Trading Arrangement, Individual Name Ending Allowance by Evaluation Methodology: Financing Receivable, Allowance for Credit Loss, Additional Information [Abstract] Subordinated debt Interest Expense, Subordinated Notes and Debentures Less: weighted-average unvested restricted stock outstanding (shares) Restricted stock awards and units Weighted Average Number of Shares, Restricted Stock Company Selected Measure Amount Company Selected Measure Amount Depositary Shares, each representing a 1/40th interest in a share of 7.75% fixed rate reset non-cumulative perpetual preferred stock, Series F Series F Preferred Stock Series F Preferred Stock [Member] Taxes receivable Income Taxes Receivable Trust FCBI Subordinated Debt Trust FCBI Due December 2035 [Member] Subordinated Debt Trust FCBI Due December 2035 [Member] Restricted stock awarded and earned stock compensation, net of shares forfeited (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Accounts and Financing Receivables [Table] Accounts and Financing Receivables [Table] Collectively evaluated Financing Receivable, Allowance for Credit Loss, Collectively Evaluated Weighted average remaining lease term (in years) Operating Lease, Weighted Average Remaining Lease Term Non-PEO NEO Non-PEO NEO [Member] Total noninterest expense Noninterest Expense Unrealized (gain) loss on derivatives, foreign currencies, and credit-linked notes, net Unrealized Gain (Loss) on Derivatives and Foreign Currencies, Net Unrealized Gain (Loss) on Derivatives and Foreign Currencies, Net Restricted stock surrendered (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Forfeited Reinvested proceeds Proceeds From Sale Of Investments, Reinvested Proceeds From Sale Of Investments, Reinvested Award Timing Method Award Timing Method [Text Block] Net decrease in cash, cash equivalents, 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] Cash flow hedges Derivative Liability, Cash Flow Hedges [Member] Derivative Liability, Cash Flow Hedges 2028 Lessor, Operating Lease, Payment to be Received, Year Two Servicing rights Servicing Rights [Member] Servicing Rights Net (loss) earnings Net (loss) earnings Net earnings Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] 2025 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] BBB Standard & Poor's, BBB Rating [Member] Number of corporate debt security classified as AFS Debt Securities, Available-for-Sale, Allowance for Credit Loss, Number Of Securities Debt Securities, Available-for-Sale, Allowance for Credit Loss, Number Of Securities 522110 Commercial Banking 522110 Commercial Banking [Member] Total included in other comprehensive income Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss) Recoveries Financing Receivable, Allowance for Credit Loss, Recovery Trust VII Subordinated Debt Trust VII Due April 2034 [Member] This element represents the subordinated debentures series Trust VII, due April 2034. Subordinated debt has a lower priority of repayment in liquidation of the entity's assets. Schedule of Other Assets Schedule of Other Assets [Table Text Block] Unrealized net loss for the period included in other comprehensive income for securities held at quarter-end Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI Credit-linked notes Credit-Link Notes [Member] Credit-Link Notes Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Statistical Measurement [Domain] Statistical Measurement [Domain] Interest-earning deposits in financial institutions Interest-Earning Deposits In Financial Institutions [Member] Interest-Earning Deposits In Financial Institutions Document Fiscal Year Focus Document Fiscal Year Focus Business Assets Business Assets [Member] Business Assets [Member] Payment Delay and Interest Rate Reduction Payment Deferral And Interest Rate Reduction [Member] Payment Deferral And Interest Rate Reduction Customer [Axis] Customer [Axis] Total deposits Deposits Carrying value reported on the consolidated balance sheets Other Borrowings, Fair Value Disclosure Other Borrowings, Fair Value Disclosure Common stock ($0.01 par value, shares issued and outstanding at June 30, 2026; 150,039,018 shares issued and 149,963,520 outstanding at December 31, 2025) Common Stock, Value, Issued 2027 Lessee, Operating Lease, Liability, to be Paid, Year One Depreciation and amortization Depreciation, Amortization and Accretion, Net Service period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Requisite Service Period Schedule of Federal Home Loan Bank, Advances Federal Home Loan Bank, Advances [Table Text Block] Total Unused Commitments to Extend Credit Restatement Determination Date Restatement Determination Date Class of Warrant or Right [Domain] Class of Warrant or Right [Domain] Borrowings Interest Expense, Federal Home Loan Bank and Federal Reserve Bank Advances, Long-Term Other expense Other Noninterest Expense Amendment Flag Amendment Flag FHLB Secured Advances Due 07/27/2026 FHLB Secured Advances Due 07/27/2026 [Member] FHLB Secured Advances Due 07/27/2026 Net decrease in noninterest-bearing deposits Increase Decrease In Noninterest Bearing Domestic and Foreign Deposits Increase Decrease In Noninterest Bearing Domestic and Foreign Deposits Number of largest loan relationships Number Of Loans In Nonaccrual Status Number Of Loans In Nonaccrual Status Gross unrealized losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax INVESTMENT SECURITIES Investment [Text Block] Standby Letters of Credit Standby Letters of Credit [Member] Investments [Domain] Investments [Domain] Anti-dilutive Shares for Earnings Per Share [Domain] Anti-dilutive Shares for Earnings Per Share [Domain] Anti-dilutive Shares for Earnings Per Share [Domain] FHLB Secured Advances Due 09/18/2034 FHLB Secured Advances Due 09/18/2034 [Member] FHLB Secured Advances Due 09/18/2034 FHLB secured advances Federal Home Loan Bank Advances [Member] FRB and FHLB stock, at cost Federal Home Loan Bank Stock and Federal Reserve Bank Stock Net carrying amount Debt Securities, Available-for-Sale, Amortized Cost, after Allowance for Credit Loss Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Transfer from Level 2 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 Foreclosed assets, net Other Real Estate, Foreclosed Assets, and Repossessed Assets Entity Address, State or Province Entity Address, State or Province FHLB Secured Advances Due 02/01/2027 FHLB Secured Advances Due 02/01/2027 [Member] FHLB Secured Advances Due 02/01/2027 FHLB Secured Advances Due 03/01/2027 FHLB Secured Advances Due 03/01/2027 [Member] FHLB Secured Advances Due 03/01/2027 Total Loans and Leases With and Without an Allowance Recorded: Financing Receivable, Excluding Accrued Interest, Nonaccrual PEO Total Compensation Amount PEO Total Compensation Amount Increase (decrease) in accrued interest payable and other liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Share Repurchase Program [Domain] Share Repurchase Program [Domain] Weighted-average basic shares outstanding (shares) Weighted Average Number of Shares Outstanding, Basic Notional amount, designated Derivative, Notional Amount Secured debt Secured Debt FHLB Secured Advances Due 04/01/2027 FHLB Secured Advances Due 04/01/2027 [Member] FHLB Secured Advances Due 04/01/2027 Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Transfers from securities HTM to securities AFS Transfer to Investments 2030 Lessee, Operating Lease, Liability, to be Paid, Year Four Financing Receivable, Credit Quality Indicator [Line Items] Financing Receivable, Credit Quality Indicator [Line Items] Interest-earning deposits in financial institutions Interest-Bearing Deposits in Banks and Other Financial Institutions Fair value, 2032 to 2036 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 Schedule of Loan Portfolio Segment and Class Finance Receivable, Loans By Origination Year [Table Text Block] Finance Receivable, Loans By Origination Year [Table Text Block] Total noninterest (loss) income Noninterest Income AA+ Standard & Poor's, AA+ Rating [Member] Schedule of Cash Flow, Supplemental Disclosures Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] LOANS AND LEASES HELD FOR INVESTMENT Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Unrealized (loss) gain on cash flow hedges arising during the period Unrealized Gain (Loss) on Price Risk Cash Flow Derivatives, before Tax Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Fair value, asset Fair Value Hedge Assets Asset-based Asset Based [Member] 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] Unamortized issuance costs Debt Issuance Costs, Gross Net (loss) earnings available to common and equivalent stockholders, basic Net (loss) earnings available to common and equivalent stockholders, basic Net Income (Loss) Available to Common Stockholders, Basic Debt Securities, Held-to-maturity [Table] Debt Securities, Held-to-Maturity [Table] Share purchased under dividend reinvestment plan Stock Issued During Period, Value, Dividend Reinvestment Plan Sublease income Sublease Income Balance, beginning of period Balance, end of period Intangible Asset, Finite-Lived, Accumulated Amortization Non-Voting Common Stock Equivalents Non-Voting Common Stock Equivalents [Member] Non-Voting Common Stock Equivalents Financing capacity Line of Credit Facility, Maximum Borrowing Capacity Receivables, which are included in "Other assets" Contract With Customer, Receivable Reclassified to Other Assets Contract With Customer, Receivable Reclassified to Other Assets Cash dividends paid: Preferred stock Dividends, Preferred Stock Total investments Total Other Investments Total Other Investments Total Charge-offs Financing Receivable, Allowance for Credit Loss, Writeoff Recently Issued Accounting Standards Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Loss on sale of premises and equipment Gain (Loss) on Disposition of Property Plant Equipment Income tax benefit (expense) related to unrealized gain on cash flow hedges arising during the period Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax Weighted average basic shares and unvested restricted stock outstanding (shares) Weighted Average Number of Shares Issued, Basic 2027 Sales-Type and Direct Financing Leases, Payment to be Received, Year One Unsecured Debt Unsecured Debt [Member] Exercise price of warrants (usd per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Shares purchased under Dividend Reinvestment Plan (in shares) Stock Issued During Period, Shares, Dividend Reinvestment Plan Borrowings (including $110,363 and $113,634 at fair value, respectively) Total borrowings, net Long-Term Debt Income tax benefit (expense) related to unrealized net holding gains (losses) arising during the period OCI, Debt Securities, Available-for-Sale, Gain (Loss), before Adjustment, Tax Net cash provided by (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] Security Exchange Name Security Exchange Name Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Loans and leases HFI Total Total Financing Receivable, before Allowance for Credit Loss Commissions and fees Commissions and fees Fees and Commissions, Other1 Fees and Commissions, Other1 Financial Liabilities: Liabilities, Fair Value Disclosure Number of shares authorized (shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Accretion of net purchased loan discounts and deferred loan fees Increase (Decrease) in Loans, Deferred Income 12 months or more, fair value Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Operating lease ROU assets, net Finance Lease, Right-of-Use Asset, after Accumulated Amortization Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Service charges on deposit accounts Service Charges On Deposit Accounts [Member] Service Charges On Deposit Accounts [Member] Name Outstanding Recovery, Individual Name Income tax benefit related to reclassification adjustment Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] 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] Schedule of Credit-Linked Notes Carried Fair Value Option, Disclosure, Credit-Link Notes [Table Text Block] Fair Value Option, Disclosure, Credit-Link Notes Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Operating leases: Operating Lease, Assets And Liabilities, Lessee [Abstract] Operating Lease, Assets And Liabilities, Lessee [Abstract] Total undiscounted cash flows Sales-Type and Direct Financing Leases, Payment to be Received ACL on HTM securities Allowance for Credit Loss Debt Securities, Held-to-Maturity, Allowance for Credit Loss Interest income on net investments in leases Direct Financing Lease, Interest Income Trust CS 2005-1 Trust Preferred Securities Two Thousand Five Series One [Member] Trust Preferred Securities Two Thousand Five Series One. Reclassification, Type [Axis] Reclassification, Type [Axis] Equity investments with readily determinable fair values Equity Investments, Determinable Fair Values [Member] Equity Investments, Determinable Fair Values Other comprehensive income, net of tax OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax 3-4.5 Pass 3-4.5 Pass [Member] 3-4 Pass [Member] Supplemental disclosures of cash flow information: Noncash Investing and Financing Items [Abstract] Change in fair value of credit-linked notes, net of tax Change In Fair Value of Credit-linked Notes, Net of Tax Change In Fair Value of Credit-linked Notes, Net of Tax Balance Long-Term Debt, Gross Asset Class [Domain] Asset Class [Domain] Related Party Transactions [Abstract] Prior Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Net Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Net Commissions and fees Other Commissions And Fees [Member] Other Commissions And Fees [Member] Total interest income on investment securities Investment Income, Interest and Dividend Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Weighted average diluted shares outstanding, diluted (usd per share) Weighted Average Number of Shares Outstanding, Diluted Equity warrants Warrant [Member] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] 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 [Line Items] Related Party Transaction [Line Items] 2026 Financing Receivable, Year One, Originated, Current Fiscal Year Underlying Security Market Price Change Underlying Security Market Price Change, Percent DERIVATIVES Derivative Instruments and Hedging Activities Disclosure [Text Block] Gross unrealized losses Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss Less: Imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Prepaid expenses Prepaid Expense Net decrease in equipment leased to others under operating leases Net Increase (Decrease) In Operating Lease, Leased Equipment To Others Net Increase (Decrease) In Operating Lease, Leased Equipment To Others Provision Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal) Revenue from Contract with Customer [Abstract] HFI loans and leases experiencing financial difficulty Financing Receivable, Modified in Period, Amount Commitment to contribute capital Commitment To Contribute Capital Commitment To Contribute Capital Intangible Asset, Goodwill and Other [Abstract] Intangible Asset, Goodwill and Other [Abstract] Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-Sale [Line Items] 2024 Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year Other receivables/assets Other receivables/assets Other Assets, Miscellaneous Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Total operating lease liabilities Lessee, Operating Lease, Liability, to be Paid Notional amount, not designated Derivative Asset, Notional Amount Schedule of Credit-Linked Notes for Fair Value Option Fair Value Option, Disclosures [Table Text Block] Collateral Held [Domain] Collateral Held [Domain] All Executive Categories All Executive Categories [Member] Securities Securities (Assets) [Member] Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Less: Unearned income Sales-type and Direct Financing Leases, Lease Receivable, Undiscounted Excess Amount Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] PMB Statutory Trust III PMB Statutory Trust III [Member] PMB Statutory Trust III Change in fair value of credit-linked notes Change In Fair Value of Credit-linked Notes Change In Fair Value of Credit-linked Notes Unused commitment fee Line of Credit Facility, Commitment Fee Amount FHLB Secured Advances Due 06/03/2027 2 FHLB Secured Advances Due 06/03/2027 2 [Member] FHLB Secured Advances Due 06/03/2027 2 Transfers from loans HFI to loans HFS Loan and Lease, Transfer from Held-in-Portfolio to Held-for-Sale Conversion of NVCE to voting common stock Conversion of Stock, Amount Issued (Loss) gain on loans and leases HFS (Loss) Gain On Loans And Leases HFS [Member] Gain On Sale Of Loans [Member] Exercises and settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements Principal forgiveness Financing Receivable, Modified, Increase (Decrease) from Modification Cash collateral Cash Collateral Cash Collateral - Borrowed Credit-Link Notes Information technology and data processing Information Technology and Data Processing Schedule of Basic and Diluted Net Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Trust CS 2006-2 Two Thousand Six Two Term Debt Securitization [Member] Two thousand six, two term debt securitization. Debt Disclosure [Abstract] Debt Disclosure [Abstract] SEGMENT REPORTING Segment Reporting [Text Block] Proceeds from maturities and paydowns of securities AFS Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale Minimum Minimum [Member] 2023 Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Net Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Net Investment Type [Axis] Investment Type [Axis] Redemption of subordinated debt Repayments of Subordinated Debt Anti-dilutive Shares for Earnings Per Share Anti-dilutive Shares for Earnings Per Share [Member] Anti-dilutive Shares for Earnings Per Share LIABILITIES: Liabilities [Abstract] Class of Warrant or Right [Axis] Class of Warrant or Right [Axis] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] FHLB Secured Advances Due 06/03/2027 FHLB Secured Advances Due 06/03/2027 1 [Member] FHLB Secured Advances Due 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