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loans to other real estate Real Estate Owned, Transfer to Real Estate Owned Investment securities held to maturity (fair value of $8,360 at March 31, 2026 and $8,491 at December 31, 2025) Amortized Cost Securities past due Investment securities held to maturity Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss Without single maturity date, amortized cost Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, without Single Maturity Date Number Of Reportable Segments, Not Disclosed Flag Number Of Reportable Segments, Not Disclosed Flag Number Of Reportable Segments, Not Disclosed Flag Balance at beginning of period, net of accumulated amortization Balance at end of period, net of accumulated amortization Balance, net of accumulated amortization Finite-Lived Intangible Assets, Net Investment securities available for sale, fair value Debt Securities, Available-for-Sale, Unrealized Loss Position Non-amortizing securities maturing in after 10 years, amortized cost Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10 Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Supranational securities Supranational Securities [Member] Supranational Securities Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Total borrowings Debt, Long-Term and Short-Term, Combined Amount Retirement Benefits [Abstract] Series B Series B Preferred Stock [Member] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Federal Reserve Bank of Richmond Federal Reserve Bank of Richmond [Member] Federal Reserve Bank of Richmond Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Total lease liabilities Lessee, Liability Lessee, Liability Weighted Average Term Extension (in Months) Financing Receivable, Modified, Weighted Average Term Increase from Modification Income before income taxes Income (loss) before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Revolving Converted to Term Loans Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Revolving mortgage Revolving Mortgage [Member] Revolving Mortgage Without single maturity date, fair value Debt Securities, Held-to-Maturity, Maturity, without Single Maturity Date, Fair Value Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Operating Segments Operating Segments [Member] Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Total interest expense Interest 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Relationship [Domain] Parent Parent Company [Member] Purchases of operating lease equipment Payments to Acquire Equipment on Lease Investment, Name [Domain] Investment, Name [Domain] Trading Symbol Trading Symbol Entity Address, City or Town Entity Address, City or Town Loss contingency (up to) Loss Contingency, Range of Possible Loss, Portion Not Accrued Finance leases Finance Lease, Weighted Average Discount Rate, Percent Class of Financing Receivable [Axis] Class of Financing Receivable [Axis] GOODWILL AND CORE DEPOSIT INTANGIBLES Intangible Assets Disclosure [Text Block] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Affordable housing tax credit investments Investment In Qualified Affordable Housing Projects [Member] Investment In Qualified Affordable Housing Projects Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Emerging Growth Company Entity Emerging Growth Company Finance leases Finance Lease, Weighted Average Remaining Lease Term Cash collateral pledged (received) subject to master netting agreements Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset 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] Unfunded Loan Commitment Financing assets (excluding leases) Unfunded Loan Commitment [Member] Gains (losses) of non-qualifying hedges Derivative, Gain (Loss) on Derivative, Net Purchases Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases Fixed-to-Floating Senior Notes at 5.231% Fixed-to-Floating Senior Notes at 5.231% [Member] Fixed-to-Floating Senior Notes at 5.231% Total noninterest income Noninterest Income Common stock, shares outstanding (in shares) Common stock beginning balance (in 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Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Accrued interest payable Accrued Interest Payable, Fair Value Disclosure Accrued Interest Payable, Fair Value Disclosure Preferred stock dividends Preferred Stock Dividends, Income Statement Impact Commitments and Contingencies Disclosure [Abstract] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Debt instrument, term Debt Instrument, Term Proceeds from sales of investment securities available for sale Proceeds from Sale of Debt Securities, Available-for-Sale Investment securities available for sale (cost of $33,663 at March 31, 2026 and $31,952 at December 31, 2025) Investment securities available for sale Investment securities available for sale, fair value Corporate bonds Debt Securities, Available-for-Sale, 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dependent loans Net loans Loans Receivable, Fair Value Disclosure Total loans and leases Financing Receivable, Excluding Accrued Interest, Before Allowance For Credit Loss Excluding Nonaccural Financing Receivable, Excluding Accrued Interest, Before Allowance For Credit Loss Excluding Nonaccural Individual: Individual [Axis] ROU assets obtained in exchange for new finance lease liabilities Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Without single maturity date, amortized cost Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Amortized Cost Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Repayment of long-term borrowings Repayments of Long-Term Debt Entity Interactive Data Current Entity Interactive Data Current (Gain) loss on other real estate owned, net Gains (Losses) on Sales of Other Real Estate Total noninterest expense Noninterest Expense Provision for credit losses Provision for credit losses Credit Loss Expense (Reversal) Credit Loss Expense (Reversal) Payment Delay Payment Deferral [Member] ALLOWANCE FOR LOAN AND LEASE LOSSES Allowance for Credit Losses [Text Block] Deposits Interest Expense, Deposits Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Capital lease obligations Finance Lease, Liability, Net Finance Lease, Liability, Net Noninterest income Noninterest Income [Abstract] Pretax AOCI before Tax, Attributable to Parent Series D Series D Preferred Stock [Member] Entity Central Index Key Entity Central Index Key PEO Name PEO Name Total revenue Revenues 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 Loans Disaggregated by Year of Origination and by Risk Rating Financing Receivable Credit Quality Indicators [Table Text Block] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Beginning balance Ending balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Noninterest-bearing Noninterest-Bearing Deposit Liabilities Schedule of Operating and Finance Lease Assets and Liabilities Assets and Liabilities, Lessee [Table Text Block] Assets and Liabilities, Lessee [Table Text Block] Schedule of Preferred Stock and Depositary Shares Schedule of Preferred Stock And Depositary Shares [Table Text Block] Schedule of Preferred Stock And Depositary Shares Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Class of Stock [Domain] Class of Stock [Domain] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Deferred Purchase Agreements Deferred Purchase Agreements [Member] Deferred Purchase Agreements Fair Value Option, Disclosures [Table] Fair Value Option, Disclosures [Table] 2029 Finite-Lived Intangible Asset, Expected Amortization, Year Three Time deposits Deposits Bank Time Deposits [Member] Gross balance Finite-Lived Intangible Assets, Gross 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] Entity Address, Address Line One Entity Address, Address Line One Securities purchased under agreements to resell Securities Purchased Under Agreements To Resell, Fair Value Disclosure Securities Purchased Under Agreements To Resell, Fair Value Disclosure Capital call lines Capital Call Lines Loan [Member] Capital Call Lines Loan Accumulated Other Comprehensive Income (Loss) Total accumulated other comprehensive (loss) income AOCI Attributable to Parent [Member] Investments [Domain] Investments [Domain] Revolving Converted to Term Loans Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan, Writeoff Internal Credit Assessment [Axis] Internal Credit Assessment [Axis] Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Internal Credit Assessment [Domain] Internal Credit Assessment [Domain] DERIVATIVE FINANCIAL INSTRUMENTS Derivative Instruments and Hedging Activities Disclosure [Text Block] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Fair Value as of Grant Date Award Grant Date Fair Value Investment in marketable equity securities, at cost Amortized Cost Equity Securities, FV-NI, Cost Unrealized loss on securities available for sale transferred to held to maturity AOCI, Accumulated Gain (Loss) On Securities Transferred From Available-for-Sale To Held-for-Maturity, Parent [Member] AOCI, Accumulated Gain (Loss) On Securities Transferred From Available-for-Sale To Held-for-Maturity, Parent Disposal Group, Held-for-Sale, Not Discontinued Operations Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] Term loans by origination year, year five Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year Interest Rate and Other Derivative Interest Rate and Other Derivative [Member] Interest Rate and Other Derivative Schedule of Long-term Borrowings Schedule of Long-Term Debt Instruments [Table Text Block] Personnel cost Personnel cost Labor and Related Expense Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Stock-based award (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Document Quarterly Report Document Quarterly Report Investment securities available for sale, less than 12 months, fair value Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Long-term borrowings Long-Term Debt, Fair Value Schedule of Fair Value Measurement Inputs and Valuation Techniques Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Counterparty Name [Domain] Counterparty Name [Domain] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Investment Type [Axis] Investment Type [Axis] Investment securities Investments Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration] Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration] Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Provision for other receivables Debt Securities, Available-for-Sale, Excluding Accrued Interest, Allowance for Credit Loss, Not to Sell before Recovery, Credit Loss, Previously Recorded, Expense (Reversal) Non-PEO NEO Non-PEO NEO [Member] Less: advances Advance from Federal Home Loan Bank Dividend Preferred stock, dividend rate Preferred Stock, Dividend Rate, Percentage Investor dependent Investor Dependent, Early Stage [Member] Investor Dependent, Early Stage Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Less: principal amount of the Purchase Money Note Purchase Money Note From Federal Deposit Insurance Corporation Purchase Money Note From Federal Deposit Insurance Corporation Gross Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Schedule of Derivative Instruments, Offsetting Assets Offsetting Assets [Table Text Block] All Award Types Award Type [Domain] Partial prepayment Payment for Debt Extinguishment or Debt Prepayment Cost Other comprehensive income on cash flow hedge derivatives before reclassifications Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Equity Awards Adjustments Equity Awards Adjustments [Member] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Compensation Amount Outstanding Recovery Compensation Amount Other Derivative Liabilities — Non-Qualifying Derivative Financial Instruments, Liabilities [Member] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Foreign exchange contract Foreign Exchange Contract [Member] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Estimated Fair Value Estimate of Fair Value Measurement [Member] Variable lease income included in other noninterest income Variable Lease, Income Schedule of Investments [Line Items] Schedule of Investments [Line Items] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Non-amortizing securities maturing in after one through five years, amortized cost Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five Fair Value, Option, Quantitative Disclosures [Line Items] Fair Value, Option, Quantitative Disclosures [Line Items] FDIC Federal Deposit Insurance Corporation [Abstract] Federal Deposit Insurance Corporation Weighted average common shares outstanding Weighted average common shares outstanding Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Non-amortizing securities maturing in after five through 10 years, amortized cost Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Available-for-sale securities, continuous unrealized loss position, 12 months or longer, number of positions Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions Schedule of Loans Pledged as Collateral Schedule of Financial Instruments Owned and Pledged as Collateral [Table Text Block] Gain on sale of operating lease equipment, net Gain On Sales Of Operating Lease Equipment, Net Gain On Sales Of Operating Lease Equipment, Net Total long-term borrowings Long-Term Debt and Lease Obligation Accumulated other comprehensive (loss) income Unrealized gain on cash flow hedge derivatives reported in AOCI, net of income taxes Net of Income Taxes Accumulated Other Comprehensive Income (Loss), Net of Tax Financial Instruments [Domain] Financial Instruments [Domain] Loans held for sale Fair Value, Option, Fair Value Carrying Amount, Assets Fair Value, Option, Fair Value Carrying Amount, Assets Gain on sale of leasing equipment, net Gain (Loss) on Sale of Leased Assets, Net, Operating Leases Purchases Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Changes in fair value included in comprehensive income Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss) Net decrease (increase) in securities purchased under agreements to resell Proceeds from (Payments for) Securities Purchased under Agreements to Resell Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Minimum Minimum [Member] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing 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shareholders, diluted Net Income (Loss) Available to Common Stockholders, Diluted COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Deposits at banks Interest Income, Deposits with Financial Institutions And Dividend Income, Equity Securities, Operating Interest Income, Deposits with Financial Institutions And Dividend Income, Equity Securities, Operating Diluted (in shares) Diluted shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Reconciliation of Assets from Segment to Consolidated [Table] Reconciliation of Assets from Segment to Consolidated [Table] Interest income - taxable investment securities Interest Income, Investment Securities, Operating, Taxable Interest Income, Investment Securities, Operating, Taxable Depreciation on operating lease equipment Depreciation on operating lease equipment Depreciation, Lessor Asset under Operating Lease Entity Small Business Entity Small Business Income Tax Disclosure [Abstract] SVBB Silicon Valley Bridge Bank, N.A. [Member] Silicon Valley Bridge Bank, N.A. Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Document Transition Report Document Transition Report Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Non-amortizing securities maturing in after one through five years, fair value Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Client investment fees Client Investment Service [Member] Client Investment Service Long-term borrowings Long-Term Debt [Member] Underlying Securities Award Underlying Securities Amount Gross realized gain on sale of investment securities available for sale Debt Securities, Available-for-Sale, Realized Gain Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date INCOME TAXES Income Tax Disclosure [Text Block] Class A Common Stock, Par Value $1 Class A common stock Common Class A [Member] Depository shares, equivalent value per preferred share (in dollar per share) Depository Shares, Equivalent Value Per Preferred Share Depository Shares, Equivalent Value Per Preferred Share Net increase (decrease) in time deposits Increase (Decrease) in Time Deposits Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Schedule of Investments [Table] Schedule of Investments [Table] Investment securities, aggregate carrying value, pledged as collateral Debt Securities, Available-for-Sale and Held-to-Maturity, after Allowance for Credit Loss Document Type Document Type Level 3 Fair Value, Inputs, Level 3 [Member] EARNINGS PER COMMON SHARE Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Product and Service [Axis] Product and Service [Axis] Revolving Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff Notes payable Notes Payable Variable lease cost Variable Lease, Cost Noninterest income Revenue from Contract with Customer, Excluding Assessed Tax Depositary shares, shares issued, value Depositary Shares, Shares Issued, Value Depositary Shares, Shares Issued, Value Proceeds from sale of loans held for sale Proceeds from Sale, Loan, Held-for-Sale Statistical Measurement [Axis] Statistical Measurement [Axis] Variable lease income – operating leases Operating Lease, Variable Lease Income Year two Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff Fair Value Measurement Inputs and Valuation Techniques [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Weighted-average discount rate: Weighted Average Discount Rate [Abstract] Weighted Average Discount Rate Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Net income tax benefit from affordable housing tax credit investments 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