Origination Date 2025 Origination Date 2024 [Member] Origination Date 2024 Loans and Leases Receivable, Gross Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process Balance, beginning of year Net CDI and CRI, end of year Finite-Lived Intangible Assets, Accumulated Amortization Restatement [Axis] Revision of Prior Period [Axis] Conversion of Voting Common Stock to Non-Voting Common Stock Equivalents Conversion of Voting Common Stock to Non-Voting Common Stock Equivalents Conversion of Voting Common Stock to Non-Voting Common Stock Equivalents Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities Realized Investment Gains Realized Investment Gains (Losses) Award Timing Predetermined Award Timing Predetermined [Flag] Proceeds from maturities and paydowns of securities available-for-sale Proceeds from Maturities and Paydowns of Debt Securities, Available-for-sale Proceeds from Maturities and Paydowns of Debt Securities, Available-for-sale Indefinite-lived Intangible Assets [Axis] Indefinite-Lived Intangible Assets [Axis] Two Thousand Six One Term Debt Securitization [Member] Two Thousand Six One Term Debt Securitization [Member] Two thousand six, one term debt securitization. Entity File Number Entity File Number Additional Paid-in Capital Additional Paid-in Capital [Member] Non-maturity Deposits [Member] Non-maturity Deposits [Member] Non-maturity Deposits [Member] Tier One Risk Based Common Equity Required to be Well Capitalized Tier One Risk Based Common Equity Required to be Well Capitalized Tier One Risk Based Common Equity Required to be Well Capitalized TRSA TRSA [Member] TRSA Reclassification adjustment for net losses included in net earnings, net of tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax Tabular List, Table Tabular List [Table Text Block] Standard & Poor's, AA- Rating Standard & Poor's, AA- Rating [Member] Recently issued Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Charge-offs Financing Receivable, Allowance for Credit Loss, Writeoff Fair Value, by Balance Sheet Grouping Fair Value, by Balance Sheet Grouping [Table Text Block] Trust Preferred Securities Two Thousand Six Series Three Trust Preferred Securities Two Thousand Six Series Three [Member] Trust Preferred Securities Two Thousand Six Series Three. Standby letters of credit Guarantor Obligations, Maximum Exposure, Undiscounted Goodwill [Line Items] Goodwill [Line Items] Investments Classified by Contractual Maturity Date, Available-For-Sale Investments Classified by Contractual Maturity Date, Available-For-Sale [Table Text Block] Investments Classified by Contractual Maturity Date, Available-For-Sale Condensed Cash Flow Statement [Table] Condensed Cash Flow Statement [Table] Measurement Basis [Axis] Measurement Basis [Axis] Adjustment to Compensation: Adjustment to Compensation [Axis] Related Party Transactions Disclosure Related Party Transactions Disclosure [Text Block] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Expense Class [Domain] Expense Class [Domain] [Domain] for Expense Class [Axis] Revenue From Contracts With Customers Revenue from Contract with Customer [Text Block] Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Preferred stock dividends paid Payments of Ordinary Dividends, Preferred Stock and Preference Stock Deferred Tax Liabilities, Regulatory Assets Deferred Tax Liabilities, Regulatory Assets Stock, Class of Stock [Table] Stock, Class of Stock [Table] Total Expenses Interest And Operating Expenses Interest And Operating Expenses Fair Value, Option, Changes in Fair Value, Gain (Loss) Fair Value, Option, Changes in Fair Value, Gain (Loss) Term Loan Origination Date [Domain] Term Loan Origination Date [Domain] Term Loan Origination Date 1-2 High Pass 1-2 High Pass [Member] 1-2 High Pass [Member] Current Income Tax Expense Current Income Tax Expense (Benefit) Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, Year One 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 Adjustment to Compensation, Amount Adjustment to Compensation Amount Concentration Risk, Percentage Concentration Risk, Percentage Decrease (increase) in other assets Increase (Decrease) in Other Operating Assets Interest and fees receivable income Interest and fees receivable income Interest and fees receivable income earned but not yet collected LIHTC Credit Expirations [Domain] LIHTC Credit Expirations [Domain] LIHTC Credit Expirations [Domain] Earned stock compensation Share-Based Payment Arrangement, Noncash Expense Derivative Assets, Notional Amount Derivative Asset, Notional Amount Employee Stock Option Share-Based Payment Arrangement, Option [Member] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Deferred tax asset, net Deferred Tax Assets, Tax Deferred Expense Consumer Loan Consumer Loan [Member] Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax Total stockholders' equity Beginning balance Ending balance Total stockholders' equity Stockholders' Equity Attributable to Parent Only Equity, Attributable to Parent Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, Rolling after One 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 5 through 10 Debt Securities, Available-for-sale [Table] Debt Securities, Available-for-Sale [Table] Measurement Frequency [Axis] Measurement Frequency [Axis] Insider Trading Policies and Procedures [Line Items] Common Stock, Shares Authorized Common Stock, Shares Authorized Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Five Point Two Five Percent Senior Notes Due April152025 Five Point Two Five Percent Senior Notes Due April152025 [Member] Five Point Two Five Percent Senior Notes Due April 15, 2025 Stock Issued During Period, Value, Stock Options Exercised Stock Issued During Period, Shares, New Issues Fair Value, Recurring Fair Value, Recurring [Member] Reclassification, Type [Domain] Reclassification, Type [Domain] Tier One Leverage Capital Required to be Well Capitalized Banking Regulation, Tier 1 Leverage Capital, Well Capitalized, Minimum Cash Flow Hedge Derivative Instrument Assets at Fair Value Cash Flow Hedge Derivative Instrument Assets at Fair Value Cover [Abstract] Cover [Abstract] Conversion of Stock, Name [Domain] Conversion of Stock, Name [Domain] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Dividends and gains on equity investments Dividends and Gains (Losses) on Equity Investments Dividends and Gains (Losses) on Equity Investments Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss Maximum Maximum [Member] Loans transferred to foreclosed assets Real Estate Owned, Transfer to Real Estate Owned Finite-Lived Intangible Asset, Useful Life Finite-Lived Intangible Asset, Useful Life Time Deposits Balance [Line Items] Time Deposits Balance [Line Items] [Line Items] for Time Deposits Balance [Table] Net CDI and CRI, end of year Finite-Lived Intangible Assets, Net Debt Securities, Available-for-sale, Unrealized Loss Position Debt Securities, Available-for-Sale, Unrealized Loss Position Due after ten years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10 Restricted Stock [Member] Restricted Stock [Member] Tier One Risk Based Capital Required to be Well Capitalized Banking Regulation, Tier 1 Risk-Based Capital, Well Capitalized, Minimum Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [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] Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Financing Receivable, Credit Quality Indicator [Table] Financing Receivable, Credit Quality Indicator [Table] Subordinated debt Subordinated Debentures Subordinated Debentures Not Part of Long-Term Liabilities External Credit Rating, Standard & Poor's [Domain] External Credit Rating, Standard & Poor's [Domain] Provision Type [Axis] Provision Type [Axis] Expiring provision Fair Value Election Fair Value Election [Text Block] Fair Value Election Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Net Losses (Gains) on Nonrecurring Assets Net Losses (Gains) on Nonrecurring Assets [Table Text Block] Net Losses (Gains) on Nonrecurring Assets [Table Text Block] Deposits in financial institutions Interest Income, Deposits with Financial Institutions Financing Receivable, Modified, Weighted Average Term Increase from Modification Financing Receivable, Modified, Weighted Average Term Increase from Modification Earnings (loss) before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Tier One Leverage Capital to Average Assets Banking Regulation, Tier 1 Leverage Capital Ratio, Actual Restricted Cash Balances [Abstract] Restricted Cash Balances [Abstract] Restricted Cash Balances [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Proceeds from sales of premises and equipment Proceeds from Sale of Property, Plant, and Equipment Proceeds from Issuance of Debt Proceeds from Issuance of Debt Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Other Intangible Assets, Net Other Intangible Assets, Net Schedule of Maturities Of Time Deposits Schedule of Maturities Of Time Deposits [Table Text Block] Schedule of Maturities Of Time Deposits [Table Text Block] Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Deferred Tax Assets, Unrealized Losses on Available-for-Sale Securities, Gross Deferred Tax Asset, Debt Securities, Available-for-Sale, Unrealized Loss Direct Financing Lease, Lease Receivable Direct Financing Lease, Lease Receivable Total interest expense Interest Expense, Operating and Nonoperating Interest Expense, Operating 6-8 Classified 6-8 Classified [Member] 6-8 Classified [Member] Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate Long-Term Debt, Percentage Bearing Fixed Interest, Percentage Rate Financing Receivable, Individually Evaluated for Impairment Financing Receivable, Allowance for Credit Loss, Individually Evaluated Document Fiscal Period Focus Document Fiscal Period Focus Advance Number [Domain] Advance Number [Domain] Advance Number [Domain] Fair Value Option, Disclosures Fair Value Option, Disclosures [Table Text Block] Award Timing Method Award Timing Method [Text Block] Furniture and Fixtures [Member] Furniture and Fixtures [Member] Service charges on deposit accounts Fees and Commissions, Depositor Accounts1 Fees and Commissions, Depositor Accounts1 Subordinated Debt Trust CIII Due September 2035 [Member] 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. Award Type [Axis] Award Type [Axis] Parent [Member] Parent Only Parent Company [Member] Current Financing Receivable Recorded Investment, Current No Past Due Financing Receivable Recorded Investment, Current No Past Due Stock-based Compensation Share-Based Payment Arrangement [Policy Text Block] Trading Symbol Trading Symbol Equity Warrants Transfers to Available For Sale Securities Equity Warrants Transfers to Available For Sale Securities Equity Warrants Transfers to Available For Sale Securities Equity Warrants Transfers to Available For Sale Securities Lessee, Operating Lease, Liability, Payments, Due Year Four Lessee, Operating Lease, Liability, to be Paid, Year Four Business Combinations Business Combination [Policy Text Block] Credit Carryforward With No Expiration Date Credit Carryforward With No Expiration Date [Member] Credit Carryforward With No Expiration Date Financing Receivable, Allowance For Credit Losses, Net Charge-offs Financing Receivable, Allowance For Credit Losses, Net Charge-offs Financing Receivable, Allowance For Credit Losses, Net Charge-offs Financing Receivable, Unamortized Purchase Premium (Discount) Deferred Discounts, Finance Charges and Interest Included in Receivables Interest Income, Securities, Operating, Tax Exempt Interest Income, Securities, Operating, Tax Exempt Accrued interest payable and other liabilities Accrued Liabilities and Other Liabilities Entity Address, City or Town Entity Address, City or Town Short-term Debt, Type [Domain] Short-Term Debt, Type [Domain] Fair Value, Option, Changes in Comprehensive Income (Loss) Fair Value, Option, Changes in Comprehensive Income (Loss) Fair Value, Option, Changes in Comprehensive Income (Loss) Class of Financing Receivable [Axis] Class of Financing Receivable [Axis] Unrealized Gain (Loss) on Price Risk Cash Flow Derivatives, before Tax Unrealized Gain (Loss) on Price Risk Cash Flow Derivatives, before Tax Deferred Tax Assets, Net of Valuation Allowance Deferred Tax Assets, Net of Valuation Allowance Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Statement of Income Location, Balance [Domain] Statement of Income Location, Balance [Domain] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Advance No. 6 Advance No. 6 [Member] Advance No. 6 Finance Receivable Investment And Interest Income, Nonaccrual Finance Receivable Investment And Interest Income, Nonaccrual [Table Text Block] Finance Receivable Investment And Interest Income, Nonaccrual Debt Securities, Held-to-maturity, Credit Quality Indicator Debt Securities, Held-to-Maturity, Credit Quality Indicator [Table Text Block] Subordinated Notes Due October 30, 2030 Subordinated Notes Due October 30, 2030 [Member] Subordinated Notes Due October 30, 2030 Fully amortized portion Finite Lived Intangible Assets Fully Amortized Portion Finite Lived Intangible Assets Fully Amortized Portion Business Combination, Consideration Transferred Business Combination, Consideration Transferred Business Combination, Consideration Transferred PMB CapitalTrust III PMB CapitalTrust III [Member] PMB CapitalTrust III Reductions related to settlements Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Entity Emerging Growth Company Entity Emerging Growth Company Common Equity Tier One Capital Ratio Banking Regulation, Common Equity Tier 1 Risk-Based Capital Ratio, Actual Warranty Income Warranty Income [Member] Warranty Income Debt Securities, Held-to-maturity Debt Securities, Held-to-Maturity [Table Text Block] Condensed Financial Information Of Parent Company Condensed Financial Information of Parent Company Only Disclosure [Text Block] 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] Restricted Cash and Cash Equivalent Restricted Cash and Cash Equivalent Restricted Stock-Based Compensation Restricted Stock-Based Compensation [Member] Restricted Stock-Based Compensation Debt Securities, Available-for-Sale, Net Carrying Amount Debt Securities, Available-for-Sale, Net Carrying Amount Debt Securities, Available-for-Sale, Net Carrying Amount Income Loss From Continuing Operations Before Income Loss From Equity Method Investments Income Loss From Continuing Operations Before Income Loss From Equity Method Investments Income Loss From Continuing Operations Before Income Loss From Equity Method Investments Deferred Tax Liabilities, Tax Deferred Income Deferred Tax Liabilities, Tax Deferred Income Deposits Exceeding FDIC Insurance Limit of $250,000 [Member] Deposits Exceeding FDIC Insurance Limit of $250,000 [Member] Deposits Exceeding FDIC Insurance Limit of $250,000 [Member] Term Loan Origination Date [Axis] Term Loan Origination Date [Axis] Term Loan Origination Date [Axis] Total noninterest income (loss) Total noninterest income (loss) Noninterest Income Common Stock, Shares, Outstanding Common Stock, Shares, Outstanding Conversion of Stock, Shares Issued Conversion of Stock, Shares Issued Loan Restructuring and Refinancing Concession Type [Axis] Loan Restructuring and Refinancing Concession Type [Axis] Loan Restructuring and Refinancing Concession Type Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss Loans and Leases Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Noninterest expense: Noninterest Expense [Abstract] Financing Receivable, Recorded Investment, Class of Financing Receivable [Domain] Class of Financing Receivable [Domain] Subordinated Debt Trust V Due September 2033 [Member] 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. CDI and CRI [Member] CDI and CRI [Member] CDI and CRI [Member] Sales-type and Direct Financing Leases, Lease Receivable, Lease Payments to be Received, Rolling Year Five Sales-Type and Direct Financing Leases, Payment to be Received, Rolling Year Five 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, Equity, Level 2 to Level 1 Transfers Fair Value, Equity, Level 2 to Level 1 Transfers Fair Value, Equity, Level 2 to Level 1 Transfers Schedule of Finite-Lived Intangible Assets, Future Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Number of Shares Surrendered, Restricted Stock Number of Shares Surrendered, Restricted Stock Number of Shares Surrendered, Restricted Stock Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Capital Raise Capital Raise [Member] Capital Raise Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Interest checking Interest-Bearing Domestic Deposit, Checking Investment securities Interest and Dividend Income, Securities, Operating Warrants and Rights Outstanding Equity Warrants Equity Warrants Income tax expense (benefit) Income Tax Expense (Benefit), Total Income Tax Expense (Benefit) Income Tax Expense (Benefit) Income Tax Expense (Benefit) Debt Instrument, Basis Spread on Variable Rate Debt Instrument, Basis Spread on Variable Rate Other assets Other Assets Other Assets Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value, beginning balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value, ending balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Credit Rating, Standard & Poor's [Axis] Credit Rating, Standard & Poor's [Axis] Time Deposit Maturities, after Year Five Time Deposit Maturities, after Year Five Dividend Availability and Regulatory Matters [Abstract] Dividend Availability and Regulatory Matters [Abstract] Dividend Availability and Regulatory Matters [Abstract] Preferred Stock, Shares Issued Preferred Stock, Shares Issued Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Unrealized Gain (Loss) on Cash Flow Hedging Instruments (Deprecated 2025) Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Property, Plant and Equipment, Gross Property, Plant and Equipment, Gross Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Prime Rate Prime Rate [Member] NonPCI and PCI Loans [Member] NonPCI and PCI Loans [Member] NonPCI and PCI Loans [Member] Banking Regulation, Capital Conservation Buffer, Total Risk-Based Capital, Actual Banking Regulation, Capital Conservation Buffer, Total Risk-Based Capital, Actual Deposit Product Type [Domain] Deposit Product Type [Domain] [Domain] for Deposit Product Type [Axis] Condensed Cash Flow Statements, Captions [Line Items] Condensed Cash Flow Statements, Captions [Line Items] Advance No. 1 Advance No. 1 [Member] Advance No. 1 Federal Reserve Bank Advances Branch of Federal Reserve [Domain] Federal Reserve Bank Advances Branch of Federal Reserve [Domain] Federal Reserve Bank Advances Branch of Federal Reserve [Domain] Federal Home Loan Bank Branch [Domain] Federal Home Loan Bank Branch [Domain] Amortization of operating lease ROU assets Operating Lease, Right-of-Use Asset, Periodic Reduction Leased equipment depreciation Lease Equipment Depreciation Lease Equipment Depreciation Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Schedule Of Composition of Loans Portfolio Schedule Of Composition of Loans Portfolio [Table Text Block] [Table Text Block] for Schedule Of Composition of Loans Portfolio [Table] Proceeds from Stock Options Exercised Proceeds from Stock Options Exercised Proceeds from Issuance of Private Placement Proceeds from Issuance of Private Placement Unused lines of Credit Unused lines of Credit [Member] All Trading Arrangements All 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] Highest Rate of Spread Highest Rate of Spread [Member] Highest Rate of Spread Other commercial Other Commercial [Member] Other Commercial [Member] Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] Deferred Tax Assets, Goodwill and Intangible Assets Deferred Tax Assets, Goodwill and Intangible Assets Preferred Stock Dividends, Income Statement Impact Preferred Stock Dividends, Income Statement Impact Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Other income Noninterest Income, Other Operating Income Beginning balance Ending balance Equity Instruments Other than Options, Nonvested, Number Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Benefit Plans [Abstract] Benefit Plans [Abstract] Benefit Plans [Abstract] Investment in Federal Home Loan Bank Stock, Fair Value Disclosure Investment in Federal Home Loan Bank Stock, Fair Value Disclosure Net Earnings Reallocation for Voting Common Stock Net Earnings Reallocation for Voting Common Stock Net Earnings Reallocation for Voting Common Stock Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Low Income Housing Tax Credit - LIHTC Low Income Housing Tax Credit - LIHTC Low Income Housing Tax Credit - LIHTC DTA Type [Domain] DTA Type [Domain] DTA Type [Domain] Proceeds from sales of securities available-for-sale Proceeds from Sale of Debt Securities, Available-for-Sale Preferred Stock, Par or Stated Value Per Share Preferred Stock, Par or Stated Value Per Share Income Tax Expense [Member] Income Tax Expense [Member] Income Tax Expense [Member] Property, Plant and Equipment, Useful Life Property, Plant and Equipment, Useful Life Subsequent Event [Member] Subsequent Event [Member] Investor with Common Stock [Axis] Investor with Common Stock [Axis] Investor with Common Stock Recoveries Financing Receivable, Allowance for Credit Loss, Recovery Net interest income Interest Income (Expense), Operating Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Liability, Reporting Currency Denominated, Value Liability, Reporting Currency Denominated, Value PEO Total Compensation Amount PEO Total Compensation Amount Tier One Risk Based Capital Banking Regulation, Tier 1 Risk-Based Capital, Actual Preferred Stock, Ownership Interest, Percentage Preferred Stock, Ownership Interest, Percentage Preferred Stock, Ownership Interest, Percentage Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Depreciation Depreciation Loan, Transfer from Held-for-Sale to Held-in-Portfolio Loan, Transfer from Held-for-Sale to Held-in-Portfolio Private Capital Private Capital [Member] Private Capital Direct Financing Lease, Interest Income Direct Financing Lease, Interest Income Summary of Interest Bearing Deposits Summary of Interest Bearing Deposits [Table Text Block] Summary of interest-bearing deposits. Equity Components [Axis] Equity Components [Axis] Sublease Income Sublease Income Loans and Leases Receivable Disclosure [Table] Loans and Leases Receivable Disclosure [Table] Standby Letters of Credit Standby Letters of Credit [Member] Extended Maturity And Payment Delay Extended Maturity And Payment Delay [Member] Extended Maturity And Payment Delay Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Advance No. 2 Advance No. 2 [Member] Advance No. 2 Income tax benefit related to reclassification adjustment Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax Total Net Gain (Loss) from Nonrecurring Assets Total Net Gain (Loss) from Nonrecurring Assets Total Net Gain (Loss) from Nonrecurring Assets Number of Reportable Segments Number of Reportable Segments Payments of Ordinary Dividends Payments of Ordinary Dividends LOCOM Held For Sale Adjustment LOCOM Held For Sale Adjustment [Member] LOCOM Held For Sale Adjustment Non Purchased Credit Impaired 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. Commercial Real Estate [Member] Commercial Real Estate [Member] Entity Address, State or Province Entity Address, State or Province Total interest income Interest and Dividend Income, Operating Operating Lease, Impairment Loss Operating Lease, Impairment Loss Special Mention [Member] Special Mention [Member] Financial Asset, Aging [Domain] Financial Asset, Aging [Domain] Loans Receivable, Fair Value Disclosure Loans Receivable, Fair Value Disclosure Operating Leased Assets [Line Items] Operating Leased Assets [Line Items] Commercial Collateralized Financing Receivable Loan Type [Domain] Commercial Collateralized Financing Receivable Loan Type [Domain] [Domain] for Commercial Collateralized Financing Receivable Loan Type [Axis] Individual: Individual [Axis] Deferred Tax Assets, Tax Deferred Expense Effective Income Tax Rate Reconciliation, Tax Settlement, Other, Amount Time deposits $250,000 and under Time deposits $250,000 and under Time deposits $250,000 and under Cost Recognized Defined Contribution Plan, Cost Common stock dividends paid Payments of Ordinary Dividends, Common Stock Document Annual Report Document Annual Report RSU RSU [Member] RSU Amortization Amortization Time Deposits [Table] Deposit Liability [Table] Dividend Reinvestment Plan Dividend Reinvestment Plan [Member] Dividend Reinvestment Plan Combination Term Extension, Rate Reduction and Payment Delay Combination Term Extension, Rate Reduction and Payment Delay [Member] Combination Term Extension, Rate Reduction and Payment Delay Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Term Extension and Interest Rate Reduction Term Extension and Interest Rate Reduction [Member] Term Extension and Interest Rate Reduction Entity Interactive Data Current Entity Interactive Data Current Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] Loans And Leases Receivable Net Of Deferred Income, Not Past Due Loans And Leases Receivable Net Of Deferred Income, Not Past Due Loans And Leases Receivable Net Of Deferred Income, Not Past Due Leasehold Improvements Leasehold Improvements, Gross Common Stock, Warrants Issued, Per Share Price Common Stock, Warrants Issued, Per Share Price Common Stock, Warrants Issued, Per Share Price Increase (Decrease) in Operating Liabilities Increase (Decrease) in Operating Liabilities Available For Sale Investments [Domain] Available For Sale Investments [Domain] [Domain] for Available For Sale Investments [Axis] Financing Receivable, Troubled Debt Restructuring [Line Items] Financing Receivable, Modified [Line Items] Subordinated Debt Trust CII Due September 2033 [Member] 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. Gain on sale of foreclosed assets, net Gains (Losses) on Sales of Other Real Estate Interest income: Interest and Dividend Income, Operating [Abstract] Held-to-maturity Securities Held-to-Maturity Securities [Member] Nondeductible employee compensation Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Amount Total noninterest expense Noninterest Expense SBIC Investments SBIC Investments SBIC Investments Equity Stock Type [Domain] Equity Stock Type [Domain] Equity Stock Type [Domain] Interest rate and foreign exchange contracts Interest Rate And Foreign Exchange Contracts [Member] Interest Rate And Foreign Exchange Contracts Deferred Tax Assets, Operating Loss Carryforwards Deferred Tax Assets, Operating Loss Carryforwards Payment Deferral Payment Deferral [Member] Deposits Interest Expense, Deposits Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Noninterest income: Noninterest Income [Abstract] Money market Interest-Bearing Domestic Deposit, Money Market Ownership [Domain] Ownership [Domain] Lessor, Operating Lease, Payments to be Received, Maturity [Table Text Block] Lessor, Operating Lease, Payment to be Received, Maturity [Table Text Block] Other Assets, Miscellaneous Other Assets, Miscellaneous Warburg Investors Warburg Investors [Member] Warburg Investors Condensed Financial Statements [Table] Condensed Financial Statements [Table] Land, Premises and Equipment Land, Premises and Equipment [Policy Text Block] Land, Premises and Equipment [Policy Text Block] Entity Central Index Key Entity Central Index Key PEO Name PEO Name Total Income Total Income Revenues Net (decrease) increase in interest-bearing deposits Increase Decrease In Interest Bearing Domestic And Foreign Deposits Increase Decrease In Interest Bearing Domestic And Foreign Deposits Stock Conversion Description [Axis] Stock Conversion Description [Axis] 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] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] CV of Loans Held for Investment by Class by Classified and Nonclassiified Financing Receivable Credit Quality Indicators [Table Text Block] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Noninterest-bearing deposits Noninterest-Bearing Deposit Liabilities Sale of Stock, Percentage of Ownership after Transaction Sale of Stock, Percentage of Ownership after Transaction Lease liability Deferred Tax Assets, Leasing Arrangements Deferred Tax Assets, Leasing Arrangements Class of Warrant or Right, Exercise Price of Warrants or Rights Class of Warrant or Right, Exercise Price of Warrants or Rights 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] Fair Value Option, Disclosures [Table] Fair Value Option, Disclosures [Table] Conversion to Voting Common Shares Conversion to Voting Common Shares Conversion to Voting Common Shares Subordinated Borrowing [Line Items] Subordinated Borrowing [Line Items] Finite-Lived Intangible Asset, Expected Amortization, 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Three Vesting [Domain] Vesting [Domain] Balance, beginning of year Balance, end of year 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 Entity Address, Address Line Two Entity Address, Address Line Two Accumulated Other Comprehensive (Loss) Income AOCI Attributable to Parent [Member] (Decrease) increase in accrued interest payable and other liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Investment Securities [Domain] Investments [Domain] Lease Equipment Income [Member] Lease Equipment Income [Member] Lease Equipment Income [Member] Internal Credit Assessment [Axis] Internal Credit Assessment [Axis] Loans held for investment, net Loans and Leases Receivable, Net of Deferred Income and Unearned Discounts, net Loans and Leases Receivable, Net of Deferred Income and Unearned Discounts, net Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Ownership [Axis] Ownership [Axis] Amortization expense Amortization Expense, CDI and CRI Amortization Expense, CDI and CRI Internal Credit Assessment [Domain] Internal Credit Assessment [Domain] Business Combination, Pro Forma Information, Nonrecurring Adjustment [Domain] Business Combination, Pro Forma Information, Nonrecurring Adjustment [Domain] Loans and Leases Receivable Disclosure [Line Items] Loans and Leases Receivable Disclosure [Line Items] Derivatives Derivative Instruments and Hedging Activities Disclosure [Text Block] Fair Value as of Grant Date Award Grant Date Fair Value Contract With Customer, Liabilities Reclassified to Other Assets Contract With Customer, Liabilities Reclassified to Other Assets Contract With Customer, Liabilities Reclassified to Other Assets Nature of Expense [Axis] Nature of Expense [Axis] Undistributed Earnings, Basic Undistributed Earnings, Basic Sales-type and Direct Financing Leases, Lease Receivable, Payments to be Received, Rolling Year Four Sales-Type and Direct Financing Leases, Payment to be Received, Rolling Year Four Loan Restructuring and Refinancing Concession Type [Domain] Loan Restructuring and Refinancing Concession Type [Domain] Loan Restructuring and Refinancing Concession Type [Domain] Financing Receivable, Impaired [Line Items] Financing Receivable, Impaired [Line Items] NVCE Non-voting Share Class NVCE Non-voting Share Class [Member] NVCE Non-voting Share Class Employee Benefits and Share-based Compensation Employee Benefits and Share-Based Compensation Compensation Labor and Related Expense Mortgage-backed Securities, Issued by Private Enterprises Mortgage-Backed Securities, Issued by Private Enterprises [Member] Granted Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Forfeited Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Related Party Transaction [Line Items] Related Party Transaction [Line Items] Fair Value Hedge Assets Fair Value Hedge Assets Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Tier One Risk Based Capital to Risk Weighted Assets Banking Regulation, Tier 1 Risk-Based Capital Ratio, Actual Deposits Deposit Liabilities Disclosures [Text Block] Long-term Debt, Fair Value Long-Term Debt, Fair Value Fair Value Inputs, Assets, Quantitative Information 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] Sales-type and Direct Financing Leases, Lease Receivable, Maturity Sales-Type and Direct Financing Leases, Payment to be Received, Maturity [Table Text Block] Lessee, Operating Lease, Liability, Payments, Due Year Two Lessee, Operating Lease, Liability, to be Paid, Year Two Real Estate Construction [Member] Real Estate Construction [Member] Real Estate Construction. Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Effective Income Tax Rate Reconciliation, Disallowed Interest Effective Income Tax Rate Reconciliation, Disallowed Interest Effective Income Tax Rate Reconciliation, Disallowed Interest Investment Type [Axis] Investment Type [Axis] Total investment securities Investments Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Financing Receivable, Modified Loans, Payment Status Financing Receivable, Modified Loans, Payment Status [Table Text Block] Financing Receivable, Modified Loans, Payment Status Derivative Asset, Fair Value of Collateral Derivative Asset, Fair Value of Collateral Current Current [Member] Current Non-PEO NEO Non-PEO NEO [Member] Letters of Credit Outstanding, Amount Letters of Credit Outstanding, Amount Debt Securities, Available-for-Sale, Allowance for Credit Loss Debt Securities, Available-for-Sale, Allowance for Credit Loss Debt Securities, Available-for-Sale, Allowance for Credit Loss Shares Issued Type [Domain] Shares Issued Type [Domain] Shares Issued Type [Domain] Pacific Western Bank Pacific Western Bank [Member] Pacific Western Bank [Member] Deferred Tax Liabilities, Leasing Arrangements Deferred Tax Liabilities, Leasing Arrangements Business Combination, Pro Forma Information [Table] Business Combination, Pro Forma Information [Table] Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Award Type [Domain] Award Type [Domain] Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months Lessee, Operating Lease, Liability, to be Paid, Year One Equity Awards Adjustments Equity Awards Adjustments [Member] Federal Home Loan Bank, Advance, Branch of FHLBank Federal Home Loan Bank, Advance, Branch of FHLBank [Table Text Block] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Other Income Other Income Compensation Amount Outstanding Recovery Compensation Amount Capital Required to be Well Capitalized Banking Regulation, Total Risk-Based Capital, Well Capitalized, Minimum Schedule of Capital Leased Assets [Table] Schedule of Capital Leased Assets [Table] Unrealized Loss From FDIC Assisted Acquisitions Unrealized Loss From FDIC Assisted Acquisitions Unrealized Loss From FDIC Assisted Acquisitions Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Securities available-for-sale, at fair value Securities Available For Sale Including Covered Securities Securities Available For Sale Including Covered Securities Recovery of Erroneously Awarded Compensation Disclosure [Line Items] LOCOM HFS Adjustment LOCOM HFS Adjustment LOCOM HFS Adjustment LOCOM HFS Adjustment Performing Financing Receivable [Member] Performing Financial Instruments [Member] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] 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 Fair Value, Option, Quantitative Disclosures [Line Items] Fair Value, Option, Quantitative Disclosures [Line Items] No Finance Receivable Allowance No Finance Receivable Allowance [Member] No Finance Receivable Allowance [Member] Investment Securities [Axis] Investment Securities [Axis] Investment Securities DTA Type [Axis] DTA Type [Axis] DTA Type Other Assets Other Assets Disclosure [Text Block] Reclassification adjustment for net losses included in net earnings (1) Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax Net interest income: Revenues [Abstract] Time Deposit Maturities, Year Four Time Deposit Maturities, Year Four Documents Incorporated by Reference [Text Block] Documents Incorporated by Reference [Text Block] Share-Based Payment Arrangement, Weighted Average Period, Amortization Expense Share-Based Payment Arrangement, Weighted Average Period, Amortization Expense Share-Based Payment Arrangement, Weighted Average Period, Amortization Expense Revenue From Contracts With Customers [Table Text Block] Revenue From Contracts With Customers [Table Text Block] [Table Text Block] for Revenue From Contracts With Customers [Table] Financing Receivable, Past Due [Line Items] Financing Receivable, Past Due [Line Items] 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 Accumulated other comprehensive loss, net Accumulated Other Comprehensive Income (Loss), Net of Tax Condensed Financial Statements, Captions [Line Items] Condensed Financial Statements, Captions [Line Items] Hedged Liability, Statement of Financial Position [Extensible Enumeration] Hedged Liability, Statement of Financial Position [Extensible Enumeration] Standard & Poor's, No Credit Rating Standard & Poor's, No Credit Rating [Member] Standard & Poor's, No Credit Rating Financial Instruments [Domain] Financial Instruments [Domain] OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 Deferred Tax Liabilities, Gross Deferred Tax Liabilities, Gross Deposit Product Type [Axis] Deposit Product Type [Axis] Deposit Product Type [Axis] PRSU Performance Shares [Member] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] DTA Recognized Tax Expense DTA Recognized Tax Expense [Member] DTA Recognized Tax Expense Brokered Time Deposits [Member] Brokered Time Deposits [Member] Brokered Time Deposits [Member] Bank owned life insurance Foreclosed Assets, net Foreclosed Assets, net Net Investment Income [Line Items] Net Investment Income [Line Items] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Banking Regulation, Regulatory Capital Requirement, Compliance [Table] Banking Regulation, Regulatory Capital Requirement, Compliance [Table] Minimum Minimum [Member] Net interest income after provision for credit losses Interest Income (Expense), after Provision for Loan Loss Interest Rate Contracts Interest Rate Contracts [Member] Interest Rate Contracts [Member] Federal Reserve Bank Advances [Member] Federal Reserve Bank Advances [Member] Goodwill, Measurement Period Adjustment Goodwill, Measurement Period Adjustment Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Company Selected Measure Name Company Selected Measure Name 30 To 89 Days Past Due 30 To 89 Days Past Due [Member] 30 To 89 Days Past Due Fair Value Measurement [Domain] Fair Value Measurement [Domain] 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 Income Tax Expense Related to Change In Fair Value of Credit-linked Notes Borrowings and Subordinated Debentures Debt Disclosure [Text Block] Loss on sale of securities, net Loss on Sale of Investments Gain (Loss) on Sale of Investments Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Operating Lease, Payments Operating Lease, Payments Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Net Income (Loss) Available to Common Stockholders, Diluted Net Income (Loss) Available to Common Stockholders, Diluted Net Income (Loss) Available to Common Stockholders, Diluted Net Income (Loss) Available to Common Stockholders, Diluted Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Weighted Average Number of Shares Outstanding, Diluted Weighted Average Number of Shares Outstanding, Diluted Business Segments Segment Reporting, Policy [Policy Text Block] Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested in Period, Fair Value Investment Securities [Domain] Investment Securities [Domain] Investment Securities [Domain] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Derivative [Table] Derivative [Table] Furniture and Fixtures Furniture and Fixtures, Gross Stock Repurchase Plan - March 17, 2025 Stock Repurchase Plan - March 17, 2025 [Member] Stock Repurchase Plan - March 17, 2025 Financing Receivable, Modified, Weighted Average Term Increase Modification Financing Receivable, Modified, Weighted Average Term Increase Modification Financing Receivable, Modified, Weighted Average Term Increase Modification Proceeds from BOLI death benefits Proceeds from Life Insurance Policy Entity Small Business Entity Small Business Payments of Stock Issuance Costs Payments of Stock Issuance Costs Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Buildings, Useful Life Buildings, Useful Life Buildings, Useful Life Preferred Stock, Shares Outstanding Preferred Stock, Shares Outstanding Current State and Local Tax Expense Current State and Local Tax Expense (Benefit) 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] 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 Loan Restructuring Modification Name [Axis] Loan Restructuring Modification Name [Axis] Underlying Securities Award Underlying Securities Amount Available-for-sale Securities, Gross Realized Gains Debt Securities, Available-for-Sale, Realized Gain FDIC Indemnification Asset FDIC Indemnification Asset Advance No. 3 Advance No. 3 [Member] Advance No. 3 Share Repurchase Program Share Repurchase Program [Member] Share Repurchase Program Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Debt Securities, Held-to-maturity, Allowance for Credit Loss Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Table Text Block] Income Taxes Income Tax Disclosure [Text Block] Weighted Average Number of Shares, Restricted Stock Weighted Average Number of Shares, Restricted Stock Weighted Average Number of Shares, Restricted Stock Other Assets Other Assets [Table Text Block] Other Assets [Table Text Block] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Tier One Risk Based Common Equity Tier One Risk Based Common Equity Tier One Risk Based Common Equity LIHTC Credit Expirations [Axis] LIHTC Credit Expirations [Axis] LIHTC Credit Expirations Short-term Lease, Cost Short-Term Lease, Cost Threshold for loans that are considered individually significant for allowance analysis purposes Threshold for loans that are considered individually significant for allowance analysis purposes Threshold for loans that are considered individually significant for allowance analysis purposes Financing Receivable, Modified, Accumulated Financing Receivable, Modified, Accumulated Financing Receivable, Modified, Accumulated Common Stock Acquired, Average Cost Per Share Shares Acquired, Average Cost Per Share Debt Securities, Held-to-maturity, Transfer, Unrealized Gain (Loss) Cash Flow Unrealized loss on securities held-to-maturity Cash Flow Unrealized loss on securities held-to-maturity Document Type Document Type Level 3 Fair Value, Inputs, Level 3 [Member] Earnings (Loss) Per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Additional paid-in capital Additional Paid in Capital Product and Service [Axis] Product and Service [Axis] Investment Securities Classified by Contractual Maturities Date - Held-to-Maturity Investment Securities Classified by Contractual Maturities Date - Held-to-Maturity [Table Text Block] Investment Securities Classified by Contractual Maturities Date - Held-to-Maturity 30-89 Days Past Due Financing Receivable Recorded Investment Thirty to Eighty Nine Days Past Due Financing Receivable Recorded Investment Thirty to Eighty Nine Days Past Due Financing receivable recorded investment 30 to 89 days past due. Service charges on deposit accounts Service charges on deposit accounts Revenue from Contract with Customer, Excluding Assessed Tax Variable Lease, Cost Variable Lease, Cost Federal Home Loan Bank Branch [Axis] Federal Home Loan Bank Branch [Axis] Sales-type and Direct Financing Leases, Lease Receivable, Undiscounted Excess Amount Sales-type and Direct Financing Leases, Lease Receivable, Undiscounted Excess Amount Investment Income [Table] Investment Income [Table] Statistical Measurement [Axis] Statistical Measurement [Axis] Customer related expense Customer Related Expense Customer Related Expense Reserve for Unfunded Loan Commitments, Recoveries Reserve for Unfunded Loan Commitments, Recoveries Reserve for Unfunded Loan Commitments, Recoveries Proceeds from Issuance of Common Stock, Dividend Reinvestment Plan Proceeds from Issuance of Common Stock, Dividend Reinvestment Plan Share Repurchase Program, Authorized, Amount Share Repurchase Program, Authorized, Amount Reserve for Unfunded Commitments, Provision Reserve for Unfunded Commitments, Provision Reserve for Unfunded Commitments, Provision Voting Common Stock Voting Common Stock [Member] Voting Common Stock Weighted Average Number of Shares Issued, Basic Weighted Average Number of Shares Issued, Basic Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation Federal Home Loan Bank, Advance, Branch of FHLBank, Amount Federal Home Loan Bank, Advance, Branch of FHLBank, Amount Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Securities Loaned, Fair Value of Collateral Securities Loaned, Fair Value of Collateral Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Financing Receivable, Modified, Payment Delay Financing Receivable, Modified, Payment Delay Financing Receivable, Modified, Payment Delay Net Income (Loss) Available to Common Stockholders, Basic Net Income (Loss) Available to Common Stockholders, Basic Net Income (Loss) Available to Common Stockholders, Basic Net Income (Loss) Available to Common Stockholders, Basic Share Repurchase Program [Domain] Share Repurchase Program [Domain] Extended Maturity and Principal Forgiveness Extended Maturity and Principal Forgiveness [Member] Other comprehensive income, net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Extended Maturity and Interest Rate Reduction Extended Maturity and Interest Rate Reduction [Member] Operating Expenses Operating Expenses March 17, 2025 Stock Repurchase Program March 17, 2025 Stock Repurchase Program [Member] March 17, 2025 Stock Repurchase Program Level 1 Fair Value, Inputs, Level 1 [Member] Line of Credit Facility, Amount Outstanding Long-Term Line of Credit Shares, Outstanding Shares, Outstanding Lowest Rate of Spread [Axis] Lowest Rate of Spread [Axis] Lowest Rate of Spread Standard & Poor's, AAA Rating Standard & Poor's, AAA Rating [Member] Other Assets [Abstract] Other Assets [Abstract] Equipment leased to others under operating leases Equipment Leased To Others Under Operating Leases Equipment Leased To Others Under Operating Leases Related Party Transaction [Table] Related Party Transaction [Table] Banc of California Banc of California [Member] Banc of California Diluted income per share (usd per share) Earnings Per Share, Diluted Earnings Per Share, Diluted Insurance and assessments Federal Deposit Insurance Corporation Premium Expense Lessor, Operating Lease, Payments to be Received, Five Years Lessor, Operating Lease, Payment to be Received, Year Five Expense Class [Axis] Expense Class [Axis] Expense Class [Axis] Advance No. 5 Advance No. 5 [Member] Advance No. 5 Stock Type [Axis] Stock Type [Axis] Stock Type Combination Term Extension and Interest Rate Reduction Combination Term Extension and Interest Rate Reduction [Member] Combination Term Extension and Interest Rate Reduction 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 Realized Gain (Loss) Schedule of Realized Gain (Loss) [Table Text Block] Residential Real Estate Construction Financing Receivable [Member] Residential Real Estate Construction Financing Receivable [Member] Residential Real Estate Construction Financing Receivable [Member] Sale of Stock, Number of Shares Issued in Transaction Sale of Stock, Number of Shares Issued in Transaction Loans held for sale Financing Receivable, Held-for-Sale Sales-type and Direct Financing Leases, Lease Receivable, Lease Payments to be Received, after Rolling Year Five Sales-Type and Direct Financing Leases, Payment to be Received, after Rolling Year Five Equity Investments Without Readily Determinable Fair Value Equity Investments Without Readily Determinable Fair Value Equity Investments Without Readily Determinable Fair Value Stock Issued During Period, Value, Dividend Reinvestment Plan Stock Issued During Period, Value, Dividend Reinvestment Plan Financing Receivable Non Accrual And Performing Financing Receivable Non Accrual And Performing [Table Text Block] [Table Text Block] for Financing Receivable Non Accrual And Performing [Table] Reserve for Unfunded Loan Commitments Reserve for Unfunded Loan Commitments Reserve for Unfunded Loan Commitments Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Auditor Location Auditor Location Core Deposits [Member] Core Deposits [Member] Supplemental Balance Sheet Disclosures Assets And Liabilities, Lessee [Table Text Block] Assets And Liabilities, Lessee [Table Text Block] Stock Type [Domain] Stock Type [Domain] Stock Type [Domain] Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Amount Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Amount Real Estate Construction, Loan Type [Axis] Real Estate Construction, Loan Type [Axis] Real Estate Construction, Loan Type [Axis] Advance No. 7 Advance No. 7 [Member] Advance No. 7 Prepaid Expense Prepaid Expense Extended Maturity Extended Maturity [Member] Government agency and government-sponsored enterprise collateralized mortgage obligations [Member] Government agency and government-sponsored enterprise collateralized mortgage obligations [Member] Government agency and government-sponsored enterprise collateralized mortgage obligations [Member] Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Axis] Product and Services Transferred Over Time Product and Services Transferred Over Time Product and Services Transferred Over Time Provision Type [Domain] Provision Type [Domain] Provision Type [Domain] Lessee, Operating Lease, Liability, Undiscounted Excess Amount Lessee, Operating Lease, Liability, Undiscounted Excess Amount Time Deposit Maturities, Next Twelve Months Time Deposit Maturities, Year One Cash paid (received) for income taxes Income Taxes Paid, Net Restricted Cash and Cash Equivalents [Axis] Restricted Cash and Cash Equivalents [Axis] Finite-Lived Intangible Asset, Expected Amortization, 2026 Finite-Lived Intangible Asset, Expected Amortization, Year Two Time-Based Restricted Stock Awards [Member] Time-Based Restricted Stock Awards [Member] Time-Based Restricted Stock Awards [Member] Long-term Debt, Gross Long-Term Debt, Gross Pledged Cash for Derivative Contracts Pledged Cash for Derivative Contracts Pledged Cash for Derivative Contracts Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Premises and Equipment, Net Property, Plant and Equipment Disclosure [Text Block] Lessee, Operating Lease, Liability, Payments, Due Lessee, Operating Lease, Liability, Payments, Due Lessee, Operating Lease, Liability, to be Paid Unrealized net holding gains on securities available-for-sale arising during the year OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block] Two Thousand Seven One Term Debt Securitization [Member] Trust Preferred Securities Two Thousand Seven Series Two [Member] Trust Preferred Securities Two Thousand Seven Series Two. Loans and leases held for investment Loans held for investment, net Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss Line of Credit Facility, Current Borrowing Capacity Line of Credit Facility, Current Borrowing Capacity Provision for losses on foreclosed assets Provision For Losses On Foreclosed Assets Provision For Losses On Foreclosed Assets Deferred tax assets, unrealized losses on other real estate owned Deferred tax assets, unrealized losses on other real estate owned The tax effect as of the balance sheet date of timing differences related to unrealized losses on other real estate owned. Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] Expiration Date Trading Arrangement Expiration Date Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value Other Commitments [Domain] Other Commitments [Domain] Lowest Rate of Spread Lowest Rate of Spread [Member] Lowest Rate of Spread Unobservable Inputs [Domain] Unobservable Inputs [Domain] [Domain] for Unobservable Inputs [Axis] Nondeductible acquisition-related expense Income Tax Reconciliation Nondeductible Expense Acquisition Related Cost Income Tax Reconciliation Nondeductible Expense Acquisition Related Cost 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 Amortization of Unrealized Net Loss on Securities Transferred From Available-For-Sale to Held-to-Maturity, Net of Tax Finite-Lived Intangible Asset, Expected Amortization, 2029 Finite-Lived Intangible Asset, Expected Amortization, Year Five Banking Regulation, Common Equity Tier 1 Risk-Based Capital Ratio, Well Capitalized, Minimum Banking Regulation, Common Equity Tier 1 Risk-Based Capital Ratio, Well Capitalized, Minimum Restricted Stock-Based Compensation Surrendered Restricted Stock-Based Compensation Surrendered [Member] Restricted Stock-Based Compensation Surrendered Debt Securities, Held-to-Maturity, Allowance for Credit Loss, Excluding Accrued Interest Debt Securities, Held-to-Maturity, Allowance for Credit Loss, Excluding Accrued Interest Debt Securities, Held-to-Maturity, Allowance for Credit Loss, Excluding Accrued Interest Restricted stock surrendered Restricted stock surrendered Restricted stock surrendered Restricted stock surrendered Premises and equipment, net Property, Plant and Equipment, Net Property, Plant and Equipment, Net Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Financing Receivable Recorded Investment Total Past Due Financing Receivable Recorded Investment Total Past Due Financing Receivable Recorded Investment Total Past Due Entity Current Reporting Status Entity Current Reporting Status Finance Receivable, Allowance for Credit Losses Policy Finance Receivable, Allowance for Credit Losses Policy [Policy Text Block] Finance Receivable, Allowance for Credit Losses Policy Other Residential Real Estate Other Residential Real Estate [Member] Other Residential Real Estate Receivables [Abstract] Receivables [Abstract] Derivative [Line Items] Derivative [Line Items] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Combination Term Extension and Payment Delay Combination Term Extension and Payment Delay [Member] Combination Term Extension and Payment Delay Consolidated Entities [Domain] Consolidated Entities [Domain] Due in one year or less Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount 522291 Consumer Lending 522291 Consumer Lending [Member] Loss (gain) on disposal of premises and equipment Gain (Loss) on Disposition of Property Plant Equipment Trust Preferred Securities Two Thousand Six Series Four [Member] Trust Preferred Securities Two Thousand Six Series Four [Member] Trust Preferred Securities Two Thousand Six Series Four. Financial Instrument [Axis] Financial Instrument [Axis] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Executive Category: Executive Category [Axis] Time Deposits Balance [Domain] Time Deposits Balance [Domain] [Domain] for Time Deposits Balance [Axis] Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Repayments of Debt Repayments of Debt Loans and Leases Financing Receivable [Policy Text Block] Current Fiscal Year End Date Current Fiscal Year End Date Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Total deposits Deposits Deposits OCI, Debt Securities, Available-for-Sale, Transfer to Held-to-Maturity, Adjustment from AOCI for Amortization of Gain (Loss), Tax OCI, Debt Securities, Available-for-Sale, Transfer to Held-to-Maturity, Adjustment from AOCI for Amortization of Gain (Loss), Tax Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Goodwill, Transfers Goodwill, Transfers Other professional services Professional Fees FRB and FHLB stock, at cost Federal Home Loan Bank Stock Derivative Liabilities Derivative Liability Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Other expense Other Noninterest Expense Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Advance No. 8 Advance No. 8 [Member] Advance No. 8 Loan Restructuring Modification [Axis] Loan Restructuring Modification [Axis] Pass [Member] Pass [Member] Interest Rate Contract [Member] Interest Rate Contract [Member] Non-Voting Common Stock Equivalents Nonvoting Common Stock Equivalents [Member] Nonvoting Common Stock Equivalents Equity Warrants, Measurement Input Corporate Debt Securities, Measurement Input Corporate Debt Securities, Measurement Input Trust Preferred Securities Two Thousand Six Series Five [Member] Trust Preferred Securities Two Thousand Six Series Five [Member] Trust Preferred Securities Two Thousand Six Series Five. Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss Proceeds from maturities and paydowns of securities held-to-maturity Proceeds from Maturities and Paydowns of Securities Held-to-maturity Proceeds from Maturities and Paydowns of Securities Held-to-maturity Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent Assets and Liabilities Carried at Fair Value on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Equity Securities, FV-NI Equity Securities, FV-NI, Current Equity Warrants, Measurement Input, Remaining Life Equity Warrants, Measurement Input, Remaining Life Equity Warrants, Measurement Input, Remaining Life Balance, beginning of year Balance, end of year Unrecognized Tax Benefits Unrecognized Tax Benefits Net proceeds from preferred stock offering Proceeds from Issuance of Preferred Stock and Preference Stock Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Schedule of Held-to-maturity Securities [Line Items] Schedule of Held-to-Maturity Securities [Line Items] Delinquent loans in loan portfolio Financing Receivable, Past Due [Table Text Block] Real Estate Construction, Loan Type [Domain] Real Estate Construction, Loan Type [Domain] [Domain] for Real Estate Construction, Loan Type [Axis] Interest-bearing deposits Interest-Bearing Deposit Liabilities Deferred Tax Assets, Investments Deferred Tax Assets, Investments Other Commitments [Table] Other Commitments [Table] Lessee, Operating Leases Lessee, Operating Leases [Text Block] Net cash (used in) provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Measure: Measure [Axis] Provision for credit losses Financing Receivable, Credit Loss, Expense (Reversal) Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Finite-Lived Intangible Asset, Expected Amortization, after Year Five Finite-Lived Intangible Asset, Expected Amortization, after Year Five Proceeds from Dividends Received Proceeds from Dividends Received Schedule of Stockholders' Equity Note, Warrants or Rights Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block] Net decrease in equipment leased to others under operating leases Net Decrease (Increase) In Equipment Leased To Others Under Operating Leases Net Decrease (Increase) In Equipment Leased To Others Under Operating Leases Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] Share Repurchase Program, Remaining Authorized, Amount Share Repurchase Program, Remaining Authorized, Amount Subordinated Debentures, Gross Subordinated Debentures, Gross Subordinated Debentures, Gross Not Part Of Lont-term Liabilities Consumer Portfolio Segment [Member] Consumer Portfolio Segment [Member] Contract with Customer, Asset, Reclassified to Receivable Contract with Customer, Asset, Reclassified to Receivable Subordinated Debt Trust VI Due September 2033 [Member] 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. Equity Option Equity Option [Member] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Non-Voting Shares Conversion Inc (Dec) Non-Voting Shares Conversion Increases [Member] Non-Voting Shares Conversion Increases Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Schedule of Impaired Financing Receivable [Table] Schedule of Impaired Financing Receivable [Table] Stock Repurchase Plan - April 23, 2025 Stock Repurchase Plan - April 23, 2025 [Member] Stock Repurchase Plan - April 23, 2025 Entity Tax Identification Number Entity Tax Identification Number Debt Securities, Held-to-maturity, Credit Loss Expense (Reversal) Debt Securities, Held-to-Maturity, Credit Loss Expense (Reversal) SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Loan Type [Axis] SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Loan Type [Axis] Shares Purchased under Dividend Reinvestment Plan Shares Purchased under Dividend Reinvestment Plan Shares Purchased under Dividend Reinvestment Plan Common Stock, Shares, Issued, Acquisitions Common Stock, Shares, Issued, Acquisitions Common Stock, Shares, Issued Subordinated Debt Trust FCBI Due December 2035 [Member] Subordinated Debt Trust FCBI Due December 2035 [Member] Subordinated Debt Trust FCBI Due December 2035 [Member] Operating Lease, Weighted Average Remaining Lease Term Operating Lease, Weighted Average Remaining Lease Term Commercial Mortgage Backed Securities [Member] Commercial Mortgage-Backed Securities [Member] Contractual maturities of available-for-sale and held-to-maturity investment securities Contractual Maturities Of Available For Sale And Held To Maturity Investment Securities [Abstract] Contractual maturities of available-for-sale and held-to-maturity investment securities. Goodwill and Other Intangible Assets, Net Goodwill and Intangible Assets Disclosure [Text Block] Allowance for Loan and Lease Losses [Roll Forward] Allowance for Loan and Lease Losses [Roll Forward] Transfers from loans held for investment to loans held for sale Loan and Lease, Transfer from Held-in-Portfolio to Held-for-Sale Government agency and government-sponsored enterprise pass through securities [Member] Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member] Entity Public Float Entity Public Float Schedule of Goodwill Schedule of Goodwill [Table Text Block] Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Leased equipment income Operating Lease, Lease Income Fair Value, Option, Aggregate Differences, Loans and Long-Term Receivables Fair Value, Option, Aggregate Differences, Loans and Long-Term Receivables 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 Security Exchange Name Security Exchange Name Interim Period, Costs Not Allocable [Domain] Interim Period, Costs Not Allocable [Domain] More Than One Day but Less Than Three Months (3) More Than One Day but Less Than Three Months (3) [Member] More Than One Day but Less Than Three Months (3) More Than Twenty-Four (24) Months but Less Than Thirty-Six Months (36) More Than Twenty-Four (24) Months but Less Than Thirty-Six Months (36) [Member] More Than Twenty-Four (24) Months but Less Than Thirty-Six Months (36) Lessor, Operating Lease, Payments to be Received, Two Years Lessor, Operating Lease, Payment to be Received, Year Two Line of Credit Facility, Borrowing Capacity, Description Line of Credit Facility, Maximum Borrowing Capacity Dividends, Preferred Stock Dividends, Preferred Stock Business Combination, Consideration Transferred, Equity Interest, Type [Domain] Business Combination, Consideration Transferred, Equity Interest, Type [Domain] Proceeds from Subordinated Notes Offering Proceeds from Issuance Initial Public Offering Stock Repurchased During Period, Shares Stock Repurchased During Period, Shares Stock Repurchased During Period, Shares Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-Lived Intangible Assets, Major Class Name [Domain] Asset Class [Domain] Asset Class [Domain] Reclassification, Type [Axis] Reclassification, Type [Axis] Current and Deferred Tax Assets, net Current and Deferred Tax Assets, net Current and Deferred Tax Assets, net Shares Granted, Value, Share-Based Payment Arrangement, after Forfeiture Shares Granted, Value, Share-Based Payment Arrangement, after Forfeiture Statement [Line Items] Statement [Line Items] Debt Securities, Held-to-Maturity, Restricted Debt Securities, Held-to-Maturity, Restricted Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and Cash Equivalent Cash and Cash Equivalent Subordinated Debt Trust VII Due April 2034 [Member] 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. Long-term Debt, Percentage Bearing Variable Interest, Amount Long-Term Debt, Percentage Bearing Variable Interest, Amount Unused Commitments to Extend Credit Unused Commitments to Extend Credit Subsequent Event [Line Items] Subsequent Event [Line Items] Common Stock Common Stock [Member] Shares vesting Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Interest-bearing Domestic Deposit, Brokered Interest-Bearing Domestic Deposit, Brokered Credit-Link Notes Credit-Link Notes [Member] Credit-Link Notes Net increase (decrease) in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Bank of California, inc. Banc of California, Inc. [Member] Banc of California, Inc. Advance No. 4 Advance No. 4 [Member] Advance No. 4 Statistical Measurement [Domain] Statistical Measurement [Domain] Business Combination [Abstract] Business Combination [Abstract] Cash flow hedges in Cash, Fair Value Disclosure, Liabilities Cash flow hedges in Cash, Fair Value Disclosure, Liabilities Cash flow hedges in Cash, Fair Value Disclosure, Liabilities Lessee, Operating Lease, Liability, Payments, Due after Year Five Lessee, Operating Lease, Liability, to be Paid, after Year Five Condensed Balance Sheet Condensed Balance Sheet [Table Text Block] Prior Prior [Member] Prior [Member] Business Assets Business Assets [Member] Business Assets [Member] Restricted Stock Award, Forfeitures Restricted Stock Award, Forfeitures Related Party Transaction [Axis] Related Party Transaction [Axis] Financing Receivable, Nonaccrual, Interest Income Financing Receivable, Nonaccrual, Interest Income Long-Term Debt, Weighted Average Interest Rate, at Point in Time Long-Term Debt, Weighted Average Interest Rate, at Point in Time Asset Class [Axis] Asset Class [Axis] Tax Jurisdiction of Domicile [Extensible Enumeration] Tax Jurisdiction of Domicile [Extensible Enumeration] Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) Finance Receivables - Loan Restructuring & Refinancing Modifications Finance Receivables - Loan Restructuring & Refinancing Modifications [Table Text Block] Finance Receivables - Loan Restructuring & Refinancing Modifications Other Borrowings, Fair Value Disclosure Other Borrowings, Fair Value Disclosure Other Borrowings, Fair Value Disclosure Leases [Abstract] Leases [Abstract] Lessor, Operating Lease, Payments to be Received, Four Years Lessor, Operating Lease, Payment to be Received, Year Four Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Income Tax Expense (Benefit), Continuing Operations, Discontinued Operations Income Tax Expense (Benefit), Continuing Operations, Discontinued Operations Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Basic income per share (usd per share) Earnings Per Share, Basic Net cash provided by (used in) financing activities Cash Provided by (Used in) Financing Activity, Continuing Operation Preferred Stock, Dividends Per Share, Declared Preferred Stock, Dividends Per Share, Declared Income tax expense related to net unrealized holding gains arising during the year OCI, Debt Securities, Available-for-Sale, Gain (Loss), before Adjustment, Tax Deferred Tax Assets, Gross Deferred Tax Assets, Gross Net (decrease) increase in noninterest-bearing deposits Increase Decrease In Noninterest Bearing Domestic and Foreign Deposits Increase Decrease In Noninterest Bearing Domestic and Foreign Deposits Time Deposit Maturities, Year Five Time Deposit Maturities, Year Five Deposits, Fair Value Disclosure Deposits, Fair Value Disclosure Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Axis] Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain Debt Securities, Held-to-Maturity, Accumulated Unrecognized Gain Measurement Input Type [Domain] Measurement Input Type [Domain] Schedule of Available-for-sale Securities Reconciliation Schedule of Available-for-Sale Securities Reconciliation [Table Text Block] Reserve for Unfunded Loan Commitments, Net Charge-offs Reserve for Unfunded Loan Commitments, Net Charge-offs Reserve for Unfunded Loan Commitments, Net Charge-offs Vesting period of time-based restricted stock, lower limit Vesting period of time-based restricted stock, lower limit Vesting period of time-based restricted stock, lower limit Assets carried at fair value on a nonrecurring basis Fair Value Measurements, Nonrecurring [Table Text Block] Financing Receivable, Modified, Payment Deferral, Period Financing Receivable, Modified, Payment Deferral, Period Finance Receivable Allowance Finance Receivable Allowance [Member] Finance Receivable Allowance [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Interest Income, Securities, Operating, Taxable Interest Income, Securities, Operating, Taxable Accounts and Financing Receivables [Table] Accounts and Financing Receivables [Table] Share-based Payment Arrangement, Expense Share-Based Payment Arrangement, Expense Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Stock and Warrants Issued During Period, Value, Preferred Stock and Warrants Stock and Warrants Issued During Period, Value, Preferred Stock and Warrants Secured Debt Secured Debt Total liabilities and stockholders' equity Liabilities and Equity Standard & Poor's, AA Rating Standard & Poor's, AA Rating [Member] Deferred Tax Liabilities, Investment in Noncontrolled Affiliates Deferred Tax Liabilities, Investment in Noncontrolled Affiliates Stock Issued During Period, Shares, Acquisitions Stock Issued During Period, Shares, Acquisitions Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Borrowings Interest Expense, Federal Home Loan Bank and Federal Reserve Bank Advances, Long-Term Federal Reserve Bank Advances Branch of Federal Reserve [Axis] Federal Reserve Bank Advances Branch of Federal Reserve [Axis] Federal Reserve Bank Advances Branch of Federal Reserve [Axis] Available-for-sale Securities Available-for-Sale Securities [Member] Vesting Based On Service [Member] Vesting Based On Service [Member] Vesting Based On Service [Member] Deferred Tax Assets, Other Deferred Tax Assets, Other Finance Receivable, Loans By Origination Year Finance Receivable, Loans By Origination Year [Table Text Block] Finance Receivable, Loans By Origination Year Discount Rates [Member] Discount Rates [Member] Discount Rates [Member] Lessee, Operating Lease, Liability, Maturity [Table Text Block] Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Loan Receivable, Troubled Debt Restructuring [Axis] Loan Receivable, Troubled Debt Restructuring [Axis] Loan Receivable, Troubled Debt Restructuring [Axis] - replaced from Financing Receivable Troubled Debt Restructuring Year One Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year Pay vs Performance Disclosure [Line Items] Commercial Real Estate Construction Loan Receivable [Member] Commercial Real Estate Construction Loan Receivable [Member] Commercial Real Estate Construction Loan Receivable - replaced with Commercial Real Estate Construction Financing Receivable SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Loan Type [Domain] SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Loan Type [Domain] Tier One Leverage Capital Required to be Well Capitalized to Average Assets Banking Regulation, Tier 1 Leverage Capital Ratio, Well Capitalized, Minimum Operating Lease, Liability Operating Lease, Liability Asset-based Asset-based [Member] Lessor, Operating Lease, Payments to be Received Lessor, Operating Lease, Payment to be Received Preferred Stock, Liquidation Preference Per Share Preferred Stock, Liquidation Preference Per Share LIABILITIES: Liabilities [Abstract] Commercial Real Estate Loan Receivable Commercial Real Estate Loan Receivable [Member] Commercial Real Estate Construction Loan Receivable - replaced with Commercial Real Estate Construction Financing Receivable Acquisitions Business Combination [Text Block] Compliance with Regulatory Capital Requirements for Mortgage Companies [Line Items] Compliance with Regulatory Capital Requirements for Mortgage Companies [Line Items] Deferred Tax Asset (Liability) Deferred Tax Asset (Liability) Deferred Tax Asset (Liability) Reserve for Unfunded Loan Commitments, Charge-offs Reserve for Unfunded Loan Commitments, Charge-offs Reserve for Unfunded Loan Commitments, Charge-offs Common Shares Surrendered Common Shares Surrendered Common Shares Surrendered Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] Goodwill impairment Goodwill, Impairment Loss Contract With Customer, Receivable Reclassified to Other Assets Contract With Customer, Receivable Reclassified to Other Assets Contract With Customer, Receivable Reclassified to Other Assets Dividend Availability and Regulatory Matters Regulatory Capital Requirements under Banking Regulations [Text Block] Purchases of FHLB and FRB stock Payments to Acquire Federal Reserve Bank Stock Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount Cash Cash Lessee, Operating Lease, Liability, Payments, Due Year Three Lessee, Operating Lease, Liability, to be Paid, Year Three Total Other Investments Total Other Investments Total Other Investments 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 Debt Issuance Costs, Gross Debt Issuance Costs, Gross Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Measurement Input Type [Axis] Measurement Input Type [Axis] American Financial Exchange American Financial Exchange [Member] American Financial Exchange [Member] Name Measure Name Due in one year or less Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Secured Debt Secured Debt [Member] Finite-lived Intangible Assets [Roll Forward] Finite-Lived Intangible Assets [Roll Forward] Class of Stock [Line Items] Class of Stock [Line Items] Unsecured Debt Unsecured Debt [Member] Financing Receivable, Modified, Subsequent Default Financing Receivable, Modified, Subsequent Default [Table Text Block] ROU assets Deferred Tax Liabilities, Right-of-Use Asset Deferred Tax Liabilities, Right-of-Use Asset Borrowings (including $113,634 and $118,838 at fair value, respectively) Long-Term Debt Legal Entity [Axis] Legal Entity [Axis] Total assets Assets Assets Direct Financing Lease, Net Investment in Lease Direct Financing Lease, Net Investment in Lease, before Allowance for Credit Loss Condensed Cash Flow Statement Condensed Cash Flow Statement [Table Text Block] Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Provision for Loan Losses Deferred Tax Asset, Tax Deferred Expense, Reserve and Accrual, Financing Receivable, Allowance for Credit Loss Finite-Lived Intangible Asset, Expected Amortization, 2025 Finite-Lived Intangible Asset, Expected Amortization, Year One Financing Receivable, Credit Quality Indicator [Line Items] Financing Receivable, Credit Quality Indicator [Line Items] Unrealized Gain (Loss) on Credit-linked Notes Unrealized Gain (Loss) on Credit-linked Notes Unrealized Gain (Loss) on Credit-linked Notes Income Taxes Income Tax, Policy [Policy Text Block] Other Tax Expense (Benefit) Other Tax Expense (Benefit) Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Receivable Type [Axis] Receivable Type [Axis] Business Combination, Pro Forma Information [Line Items] Business Combination, Pro Forma Information [Line Items] Other commissions and fees Fees and Commissions, Other1 Fees and Commissions, Other1 Concentration Risk Type [Axis] Concentration Risk Type [Axis] Foreclosed Assets Foreclosed assets [Policy Text Block] Foreclosed assets [Policy Text Block] Service Charges On Deposit Accounts Service Charges On Deposit Accounts [Member] Service Charges On Deposit Accounts [Member] Subordinated Borrowing [Table] Subordinated Borrowing [Table] Time Deposit Maturities, Year Two Time Deposit Maturities, Year Two Finite-Lived Intangible Asset, Expected Amortization, 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Four Debt Securities, Held-to-maturity, Fair Value Debt Securities, Held-to-Maturity, Fair Value Warrant Warrant [Member] Dividends declared per share (usd per share) Common Stock, Dividends, Per Share, Declared Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-Sale [Line Items] Level 2 Fair Value, Inputs, Level 2 [Member] Time Deposits Balance [Axis] Time Deposits Balance [Axis] Time Deposits Balance [Axis] 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