Total loan balance Total Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Held-to-maturity, Amortized Cost Held to Maturity Securities Debt Maturities Net Carrying Amount Rolling Maturity [Abstract] Held to Maturity Securities Debt Maturities Net Carrying Amount Rolling Maturity [Abstract] Accrued expenses Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities Capital conservation buffer (as a percent) Capital Conservation Buffer Ratio Capital conservation buffer ratio. Commitments to extend credit, fixed rate Fair Value Disclosure, Off-balance Sheet Risks, Amount, Asset, Commitments to Extend Credit, Fixed Rate The fair value of financial assets, commitments to extend credit with fixed rates, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition. Schedule of Estimated Benefit Payments Over the Next Ten Years, Which Reflect Anticipated Future Events, Service and Other Assumptions Schedule of Expected Benefit Payments [Table Text Block] Award Timing Predetermined Award Timing Predetermined [Flag] Stock option/restricted stock windfall tax benefit Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-Based Payment Arrangement, Percent Heritage Commerce Corp and CVB Financial Corp Heritage Commerce Corp [Member] Heritage Commerce Corp Entity File Number Entity File Number Low income housing credits, net of investment losses Effective Income Tax Rate Reconciliation, Tax Credit, Amount Tabular List, Table Tabular List [Table Text Block] Residual cash flow discount rate assumption (annual) (as a percent) Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Discount Rate Adoption of New Accounting Standards and Issued But Not Yet Effective Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] RSUs and PRSUs expense Restricted Stock or Unit Expense Schedule of Carrying Amounts and Estimated Fair Values of the Company's Financial Instruments Fair Value, by Balance Sheet Grouping [Table Text Block] Federal funds purchase arrangements Federal Funds Purchased [Member] Goodwill [Line Items] Goodwill [Line Items] Condensed Cash Flow Statement [Table] Condensed Cash Flow Statement [Table] Other expenses Other Expenses Measurement Basis [Axis] Measurement Basis [Axis] Adjustment to Compensation: Adjustment to Compensation [Axis] 12 Months or More, Fair Value Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] I/O strips Deferred Tax Liabilities, Interest Only Strip Receivables Amount of deferred tax liability attributable to taxable temporary differences from interest only strip receivables. Due after three months through one year Available-for-sale Securities, Debt Maturities, Rolling After Three Months Through One Year, Amortized Cost Basis Amount after adjustments of available-for-sale debt securities at cost, maturing after 3 months through one year following the latest balance sheet. Revenue Recognition Revenue from Contract with Customer [Text Block] Payment of cash dividends Payments of Ordinary Dividends, Preferred Stock and Preference Stock Stock compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Recoveries Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Recovery Total current tax Current Income Tax Expense (Benefit) Adjustment to Compensation, Amount Adjustment to Compensation Amount Employee Stock Option Share-Based Payment Arrangement, Option [Member] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Loan fees Deferred Tax Liabilities, Financing Arrangements Percent Effective Income Tax Rate Reconciliation, Percent [Abstract] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Cash dividend declared Dividends, Common Stock, Cash Total shareholders' equity Balance, beginning of period Balance, ending of period Shareholders' equity Equity, Attributable to Parent Debt Securities, Available-for-Sale [Table] Debt Securities, Available-for-Sale [Table] Insider Trading Policies and Procedures [Line Items] Schedule of Premises and Equipment Property, Plant and Equipment [Table Text Block] Common stock, shares authorized Common Stock, Shares Authorized Assets Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] Securities held-to-maturity net of allowance for credit losses Securities Held-To-Maturity Net Of Allowance For Credit Losses Securities held-to-maturity net of allowance for credit losses. Amounts Recognized in Accumulated Other Comprehensive Loss Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax [Abstract] Current period gross charge-offs Financing Receivable, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract] Audit Information [Abstract] Audit Information To Be Well Capitalized Under Regulatory Requirements, Amount Banking Regulation, Tier 1 Leverage Capital, Well Capitalized, Minimum Liabilities and Shareholders' Equity Liabilities and Equity [Abstract] State and Local Jurisdiction State and Local Jurisdiction [Member] Cover [Abstract] Cover [Abstract] Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Amortized Cost Debt Securities, Held-to-Maturity, Excluding Accrued Interest, before Allowance for Credit Loss Maximum Maximum [Member] Agency mortgage-backed securities Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, without Single Maturity Date Useful life, amortization period (in years) Finite-Lived Intangible Asset, Useful Life Total, Fair Value Debt Securities, Available-for-Sale, Unrealized Loss Position Other intangible assets Total Finite-Lived Intangible Assets, Net Dividend Equivalent Units (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Dividend Equivalent Units Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Dividend Equivalent Units Restricted Stock Restricted Stock [Member] To Be Well Capitalized Under Regulatory Requirements, Amount Banking Regulation, Tier 1 Risk-Based Capital, Well Capitalized, Minimum Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Operating Income Segment Reporting Information, Operating Income (Loss) [Abstract] Subordinated Debt 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] 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] Retirement Benefits [Abstract] Retirement Benefits [Abstract] 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] Other investments, interest-bearing deposits in other financial institutions and Federal funds sold Interest Income, Deposits with Financial Institutions Weighted average term extension (in months) Financing Receivable, Modified, Weighted Average Term Increase from Modification Income before income taxes Income before income tax expense Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Actual, Ratio (as a percent) Banking Regulation, Tier 1 Leverage Capital Ratio, Actual Common stock Common Stock, Number of Shares, Par Value and Other Disclosure [Abstract] Prior transition obligation Accumulated Other Comprehensive Income (Loss), Defined Benefit Plan, Transition Asset (Obligation), after Tax Agency mortgage-backed securities Debt Securities, Held-to-Maturity, Maturity, without Single Maturity Date, Fair Value Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Schedule of Performance Based Restricted Stock Units Under the Equity Plans Share-Based Payment Arrangement, Performance Shares, Activity [Table Text Block] Schedule of Income Taxes Paid, Net of Refunds Received Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Securities available-for-sale Deferred Tax Asset, Debt Securities, Available-for-Sale, Unrealized Loss Line of Credit Facility [Table] Line of Credit Facility [Table] Total interest expense Total interest expense Interest expense Interest Expense, Operating Amortized cost Available For Sale Securities Pledged as Collateral Amortized Cost The amortized cost of available-for-sale securities that serve as collateral to partially or fully secure a debt obligation, repurchase agreement or other current or potential obligation, and for which the transferee does not have the right by contract or custom to sell or re-pledge them to an unrelated party. Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Due after three months through one year Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, Year One Class of financing receivables (as percent) Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage Software subscriptions General Insurance Expense Document Fiscal Period Focus Document Fiscal Period Focus Amortization of prior transition obligation and actuarial losses Amortization of Prior Transition Obligation and Actuarial Losses Amortization of prior transition obligation and actuarial losses. Benefit plans Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] RSUs vested (in shares) Stock Issued During Period Shares Restricted Stock Award Vested Number of shares issued during the period related to Restricted Stock Awards, Vested. Award Timing Method Award Timing Method [Text Block] Litigation Case [Domain] Litigation Case [Domain] Total Financing Receivable, Excluding Accrued Interest, Nonaccrual 2013 Plan Equity Incentive Plan 2013 [Member] Represents information pertaining to the 2013 Equity Incentive Plan. Furniture Furniture and Fixtures [Member] Award Type Award Type [Axis] Parent Company Parent Company [Member] Stock-Based Compensation Share-Based Payment Arrangement [Policy Text Block] Trading Symbol Trading Symbol 2029 Lessee, Operating Lease, Liability, to be Paid, Year Four Business Combinations Business Combination [Policy Text Block] Securities, exempt from Federal tax Interest Income, Securities, Operating, Tax Exempt Board of Directors Board of Directors [Member] Board of Directors. Accrued interest related to financial assets held at amortized cost Financial Asset, Amortized Cost, Accrued Interest, after Allowance for Credit Loss Weighted Average Lease Term - Operating Leases (in years) Operating Lease, Weighted Average Lease Term Weighted average lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Entity Address, City or Town Entity Address, City or Town Short-Term Debt, Type [Domain] Short-Term Debt, Type [Domain] Restricted stock units ("RSUs") and performance-based restricted stock units ("PRSUs") expense, net of taxes Restricted Stock Units and Performance Based Restricted Stock Units Expense, Net of Taxes Represents the amount of restricted stock units and performance based restricted stock units expense, net of taxes. Noninterest Expense Noninterest Expense [Text Block] The entire disclosure for the components of non-interest expense. Class of Financing Receivable [Axis] Class of Financing Receivable [Axis] Required For Capital Adequacy Purposes, Ratio (as a percent) Tier One Risk Based Capital Required For Capital Adequacy With Buffer To Risk Weighted Assets Ratio of minimum Tier 1 risk-based capital to risk-weighted assets required for capital adequacy with buffer as defined by regulatory framework. Goodwill and Other Intangible Assets Intangible Assets Disclosure [Text Block] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount RSU Restricted Stock Units (RSUs) [Member] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Emerging Growth Company Entity Emerging Growth Company Less than 12 Months, Unrealized (Loss) Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Outstanding at the beginning of the period (in shares) Outstanding at the end of the period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Parent Company only Condensed Financial Information 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] Noninterest Income In-scope of Topic 606 Revenue from Contract with Customer, Including Assessed Tax Unamortized issuance costs Debt Issuance Costs, Net 2026 Defined Benefit Plan, Expected Future Benefit Payment, Year One Total noninterest income Noninterest income Noninterest Income Common stock, shares outstanding Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Number of offices and branches upon completion of acquisition Business Acquisition, Number of Office and Branches Upon Completion Business Acquisition, Number of Office and Branches Upon Completion Weighted-average Assumptions Used to Determine the Benefit Obligation at Year-end Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract] Gross Unrecognized (Losses) Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss Loans and Allowance for Credit Losses on Loans Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Noninterest expense: Noninterest Expense [Abstract] Schedule of Noninterest Income, Segregated by Revenue Streams In-scope and Out-of-Scope of Topic 606 Disaggregation of Revenue [Table Text Block] Cash and due from banks Cash and Due from Banks Off-balance sheet, credit loss liability increase due to offsetting increase in loss factors in CECL model Off-Balance Sheet, Credit Loss, Liability, Increase Due To Offsetting Increase In Loss Factors in CECL Model The offsetting increase in allowance for losses for off-balance sheet credit exposures was driven by increased loss factors in the CECL model for all loan segments with off-balance sheet exposures which resulted from deterioration in the economic forecast assumptions used in the CECL model. Internal Revenue Service (IRS) Internal Revenue Service (IRS) [Member] Class of Financing Receivable [Domain] Class of Financing Receivable [Domain] Plan assets associated with the plan Assets for Plan Benefits, Defined Benefit Plan Currently tax expense: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Loans over 90 Days Past Due and Still Accruing Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing Consumer and Other Consumer Loans And Other [Member] This member stands for Consumer Loans and other. Stock options exercised Stock Issued During Period, Value, Stock Options Exercised 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] Schedule of Estimated Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Change in projected benefit obligation: Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Unused lines of credit and commitments to make loans Unused Lines Of Credit And Commitments To Extend Credit [Member] Represents information pertaining to unused portion of a line of credit that is available to the borrower to withdrawn upon and the loan commitments, which are legally binding commitments to extend credit to a counterparty under certain terms and conditions. Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Provision for (recapture of) credit losses Debt Securities, Held-to-Maturity, Provision (Recapture) for Credit Losses Debt Securities, Held-to-Maturity, Provision (Recapture) for Credit Losses Income tax expense Income tax (expense) benefit Income tax expense Income tax expense Income Tax Expense (Benefit) Other assets Other Assets Preferred stock, shares issued Preferred Stock, Shares Issued Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Risk Grades Risk Grades [Member] Represents information pertaining to risk grades. Intersegment expense allocations Intersegment Expense Allocation Represents the amount of intersegment expense allocations. Uninsured deposits Deposit Liability, Uninsured Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Premises and equipment, gross Property, Plant and Equipment, Gross Condensed statements of cash flow Condensed Cash Flow Statements, Captions [Line Items] Multi- Family Multi Family Residential Loan [Member] Multi-family residential loans Operating Lease Cost (Cost resulting from lease payments) Operating Lease, Right-of-Use Asset, Periodic Reduction Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Tier 1 Capital (to risk-weighted assets) Banking Regulation, Tier 1 Risk-Based Capital [Abstract] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Exercise of stock options Cash received from option exercise Proceeds from exercise of stock options Proceeds from Stock Options Exercised Federal Income Tax Paid, Federal, after Refund Received 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] Capital Requirements Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] Federal net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards, Domestic Non-taxable interest income Effective Income Tax Rate Reconciliation, Tax Exempt Income, Percent Loss Contingencies Commitments and Contingencies, Policy [Policy Text Block] Other, net Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Other Noninterest Income, Other Operating Income Nonvested shares at the beginning of the period (in shares) Nonvested shares at the end of the period (in shares) 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] Client services Client Services The amount of expenses incurred during the period for client services. Total unrecognized compensation cost related to nonvested stock options granted Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Securities available-for-sale, at fair value Total Available-for-sale securities: Debt Securities, Available-for-Sale, Excluding Accrued Interest Estimated useful life (in years) Property, Plant and Equipment, Useful Life Subsequent Event Subsequent Event [Member] Schedule of Assumptions Used to Estimate the Fair Value of Each Option Grant on the Date of Grant Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Net interest income before provision for credit losses on loans Interest Income (Expense), Operating Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Actual, Amount Banking Regulation, Tier 1 Risk-Based Capital, Actual Municipals - exempt from Federal tax Nontaxable Municipal Bonds [Member] Premises and Equipment Property, Plant and Equipment, Net, by Type [Abstract] Nonaccrual with Specific Allowance for Credit Losses Financing Receivable, Excluding Accrued Interest, Nonaccrual, With Allowance Amortized cost excluding accrued interest, of financing receivable on nonaccrual status with related allowance for credit loss. Excludes net investment in lease. Prior service cost and actuarial losses Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) and Net Prior Service Attributable to Parent [Member] Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) and Net Prior Service Attributable to Parent Available-for-sale, Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, Rolling Maturity [Abstract] Equity Components [Axis] Equity Components [Axis] Year four Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year Premises and Equipment Property, Plant and Equipment [Line Items] I/O strip receivables Interest Only Strip Receivables [Member] Represents information pertaining to interest-only strip receivables. Deposits: Deposits Liabilities, Balance Sheet, Reported Amounts [Abstract] Standby letters of credit Standby Letters of Credit [Member] Investment in subsidiary bank Investment in Subsidiary Bank Represents the total investments in the subsidiary bank as of the balance sheet date. State income taxes Deferred Tax Assets, State Taxes Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Future commitments to be paid in 2026 Other Commitment, to be Paid, Year One Number of reportable segments Number of Reportable Segments Deferred tax assets: Components of Deferred Tax Assets [Abstract] Entity Address, State or Province Entity Address, State or Province Substandard Substandard [Member] Total interest income Interest income Interest and Dividend Income, Operating Special Mention Special Mention [Member] Financial Asset, Aging [Domain] Financial Asset, Aging [Domain] Antidilutive Security, Excluded EPS Calculation [Table] Antidilutive Security, Excluded EPS Calculation [Table] 2029 Defined Benefit Plan, Expected Future Benefit Payment, Year Four Debt Securities, Available-for-Sale, Allowance for Credit Loss [Table] Debt Securities, Available-for-Sale, Allowance for Credit Loss [Table] Loans (including loans held-for-sale) Loans Receivable, Fair Value Disclosure Issuance of restricted stock awards, net (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Gross Individual: Individual [Axis] Contribution expense Defined Contribution Plan, Cost Income Tax Jurisdiction [Domain] Income Tax Jurisdiction [Domain] Recording of right of use assets in exchange for lease obligations Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Payment of cash dividends Payments of Ordinary Dividends, Common Stock Document Annual Report Document Annual Report Beginning of year balance End of year balance Servicing Asset at Amortized Cost Agency mortgage-backed securities and collateralized mortgage obligations Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Amortized Cost Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Entity Interactive Data Current Entity Interactive Data Current FHLB stock Deferred Tax Liabilities, Federal Home Loan Bank Stock Amount of deferred tax liability attributable to taxable temporary differences from Federal Home Loan Bank (FHLB) stock. Condensed Income Statement [Table] Condensed Income Statement [Table] Financing Receivable, Modified [Line Items] Financing Receivable, Modified [Line Items] Home Equity Home Equity Line of Credit [Member] Interest income: Interest and Dividend Income, Operating [Abstract] Aggregate Intrinsic Value - Exercisable at the end of the period (in dollars) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Total noninterest expense Noninterest Expense Data processing Software Subscription The amount of expenses incurred during the period for software subscriptions. Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Loan Sales and Servicing Transfers and Servicing of Financial Assets, Policy [Policy Text Block] Period for which federal funds are sold and purchased Period For Which Federal Funds Are Sold And Purchased Represents the period for which federal funds are sold and purchased by the entity. Deposits Interest Expense, Deposits Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Noninterest income: Noninterest Income [Abstract] CVB Financial Corp. CVB Financial Corp. [Member] CVB Financial Corp. Number of shares of Company's common stock owned by ESOP (in shares) Employee Stock Ownership Plan (ESOP), Shares in ESOP 2027 Defined Benefit Plan, Expected Future Benefit Payment, Year Two Condensed Financial Statements [Table] Condensed Financial Statements [Table] Entity Central Index Key Entity Central Index Key PEO Name PEO Name Demand, noninterest-bearing Noninterest-Bearing Domestic Deposit, Demand 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] Schedule of Loan Portfolio by Loan Type and Credit Quality Classification Financing Receivable Credit Quality Indicators [Table Text Block] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Required For Capital Adequacy Purposes, Amount Banking Regulation, Tier 1 Leverage Capital, Capital Adequacy, Minimum Defined Benefit Plan [Table] Defined Benefit Plan [Table] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Unrealized Losses on Investments Schedule of Unrealized Losses on Investments [Table Text Block] For all investments in an unrealized loss position. A tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value). Schedule of Assumption Used to Determine the Net Periodic Benefit Cost Schedule of Defined Benefit Plan Assumptions Used in Calculating Net Periodic Benefit Cost [Table Text Block] Tabular disclosure of the assumptions used to determine the net benefit cost for pension plans and/or other employee benefit plans, including assumed discount rates, rate increase in compensation and expected long-term rates of return on plan assets. Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Benefits paid Defined Benefit Plan, Benefit Obligation, Benefits Paid Total unrecognized compensation cost related to nonvested restricted stock awards Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Maximum discretionary contribution matched by employer for each employee's contribution Defined Contribution Plan Maximum Employer Discretionary Contribution Per Employee Amount Represents the maximum amount of discretionary contributions made by an employer for each employee's contributions to a defined contribution plan. Statutory Federal income tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Subsequent Event Type [Axis] Subsequent Event Type [Axis] Accrued interest payable and other liabilities Accrued Interest Payable and Other Liabilities Carrying value as of the balance sheet date of accrued interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Also, represents the carrying value of the sum of liabilities not individually reported in the financial statements. Time deposits - $250 and over Time deposits, $250,000 and over Amount of time deposit liabilities, including certificates of deposit, in denominations of $250,000 or more. Accrued interest payable Accrued Liabilities, Fair Value Disclosure Information Related to the Equity Plans Share-Based Compensation Arrangement by Share-Based Payment Award, Additional General Disclosures [Abstract] 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Three Foreclosed assets Real Estate Acquired Through Foreclosure Preferred stock Preferred Stock, Number of Shares, Par Value and Other Disclosure [Abstract] Increase in cash surrender value of life insurance Effective Income Tax Rate Reconciliation, Change in Cash Surrender Value of Life Insurance, Percent The portion of difference between effective income tax rate and domestic federal statutory income tax rate attributable to the changes in the cash surrender value of life insurance. Prior transition obligation and actuarial losses Accumulated Defined Benefit Plans Adjustment, Net Transition and Net Gain (Loss) Attributable to Parent [Member] Accumulated Defined Benefit Plans Adjustment, Net Transition and Net Gain (Loss) Attributable to Parent Commitment to extend credit, total Fair Value Disclosure Off Balance Sheet Risks Amount Asset Commitments To Extend Credit, Total The fair value of financial assets, commitments to extend credit with fixed and variable rates, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition. Gross Carrying Amount 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] Additions Servicing Asset at Amortized Cost, Additions Entity Address, Address Line One Entity Address, Address Line One Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Internal Credit Assessment [Axis] Internal Credit Assessment [Axis] Internal Credit Assessment [Domain] Internal Credit Assessment [Domain] Fair Value as of Grant Date Award Grant Date Fair Value Net operating loss carryforward Operating Loss Carryforwards Year five Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year Salaries and employee benefits Labor and Related Expense Servicing Asset at Amortized Cost [Table] Servicing Asset at Amortized Cost [Table] Required For Capital Adequacy Purposes, Ratio (as a percent) Banking Regulation, Tier 1 Leverage Capital Ratio, Capital Adequacy, Minimum Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Holding company line of credit Holding Company Line of Credit [Member] Represents information pertaining to holding company line of credit. Title and Position [Domain] Title and Position [Domain] Forfeited or expired (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Less Than 12 Months, Fair Value Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Actual, Ratio (as a percent) Banking Regulation, Tier 1 Risk-Based Capital Ratio, Actual Deposits Deposit Liabilities Disclosures [Text Block] Increase in cash surrender value of life insurance Increase in cash surrender value of life insurance Bank Owned Life Insurance Income Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] 12 Months or More, Unrealized (Loss) Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Schedule of Nonaccrual Status and Loans Past Due Over 90 Days Financing Receivable, Nonaccrual [Table Text Block] 2027 Lessee, Operating Lease, Liability, to be Paid, Year Two Condensed Financial Information Disclosure [Abstract] Condensed Financial Information Disclosure [Abstract] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Weighted Average Remaining Contractual Life - Outstanding at the end of the period (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Transfer of loans held-for-sale to loan portfolio Transfer Of Loans Held-For-Sale To Loan Portfolio Transfer Of Loans Held-For-Sale To Loan Portfolio Allowance for Credit Losses - Available-for-sale Securities Allowance For Credit Losses Available-For-Sale Securities [Policy Text Block] Disclosure of accounting policy for allowance for credit losses available for sale securities. Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount 2028 Defined Benefit Plan, Expected Future Benefit Payment, Year Three Loans held-for-investment: Loans Financing Receivable, after Allowance for Credit Loss [Abstract] Non-PEO NEO Non-PEO NEO [Member] Aggregate Intrinsic Value - Outstanding at the end of the period (in dollars) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Allowance for Credit Losses Debt Securities, Available-for-Sale, Allowance for Credit Loss Banking Banking Segment [Member] Represents the banking segment, an operating segment of the entity. Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss) [Line Items] Land Land [Member] Gross Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax All Award Types Award Type [Domain] 2026 Lessee, Operating Lease, Liability, to be Paid, Year One Equity Awards Adjustments Equity Awards Adjustments [Member] Leasehold improvements Leasehold Improvements [Member] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Compensation Amount Outstanding Recovery Compensation Amount To Be Well Capitalized Under Regulatory Requirements, Amount Banking Regulation, Total Risk-Based Capital, Well Capitalized, Minimum Deferred tax expense (benefit): Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Legal settlement and other charges Litigation Settlement, Fee Expense Expected dividends (as a percent) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Estimate of Fair Value Measurement Estimate of Fair Value Measurement [Member] Retirement Plan Type [Domain] Retirement Plan Type [Domain] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Estimated net actuarial loss and prior service cost that will be amortized from accumulated other comprehensive loss into net periodic cost over next fiscal year Defined Benefit Plan, Expected Amortization, Next Fiscal Year Securities available-for-sale Deferred Tax Liabilities, Debt Securities, Available-for-Sale, Unrealized Gain Deferred Tax Liabilities, Debt Securities, Available-for-Sale, Unrealized Gain Schedule of Amounts Recognized in Accumulated Other Comprehensive Loss Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block] 2029 Time Deposit Maturities, Year Four Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Percentage of uninsured deposits on total deposits Percentage of Uninsured Deposits on Total Deposits Represents the percentage of uninsured deposits on total deposits. Financing Receivable, Past Due [Line Items] Financing Receivable, Past Due [Line Items] Federal Home Loan Bank and Federal Reserve Bank Stock Federal Home Loan Bank Stock and Federal Reserve Bank Stock [Policy Text Block] Disclosure of accounting policy related to federal home loan bank stock and federal reserve bank stock. Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Condensed financial statements Condensed Financial Statements, Captions [Line Items] Financial Instruments [Domain] Financial Instruments [Domain] Total deferred tax liabilities Deferred Tax Liabilities, Gross Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Change in net unrealized holding gains on available-for-sale securities and I/O strips Other Comprehensive Income, Unrealized Holding Gain (Loss) on Securities and Interest Only Strips Arising during Period, before Tax Before tax and reclassification adjustments amount of unrealized holding gain (loss) and transfers on available-for-sale securities and interest-only strips. Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Minimum Minimum [Member] Banking Regulation, Regulatory Capital Requirement, Compliance [Table] Banking Regulation, Regulatory Capital Requirement, Compliance [Table] Net interest income after provision for credit losses on loans Net interest income after provision Interest Income (Expense), after Provision for Loan Loss Income Tax Authority, Name [Domain] Income Tax Authority, Name [Domain] FRB discount window collateralized line of credit Federal Reserve Bank Advances [Member] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Company Selected Measure Name Company Selected Measure Name Fair Value Measurement [Domain] Fair Value Measurement [Domain] Schedule of Commitments to Extend Credit Schedule of Fair Value, off-Balance-Sheet Risks [Table Text Block] Required For Capital Adequacy Purposes, Amount Banking Regulation, Total Risk-Based Capital, Capital Adequacy, Minimum Borrowing Arrangements Debt Disclosure [Text Block] Changes in FHLB stock and other investments Payments for (Proceeds from) Federal Home Loan Bank Stock and Other Investments Represents the net cash outflow or inflow of Federal Home Loan Bank stock and other investments during the reporting period. Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Operating Lease - Operating Cash Flows (Fixed Payments) Operating Lease, Payments Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Aging of Past Due Loans by Class of Loans Financing Receivable, Recorded Investments, Aging [Abstract] n/a Collateral Held [Domain] Collateral Held [Domain] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Shares used in computing diluted earnings per common share (in shares) Weighted Average Number of Shares Outstanding, Diluted Time deposits Time Deposits Cdars The aggregate amount of time deposits held by the entity within the Certificate of Deposit Account Registry Service program. Segment Reporting Segment Reporting, Policy [Policy Text Block] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Duration to cliff vesting (in years) Duration To Cliff Vesting Duration to cliff vesting after a performance period commencing in the initial year of grant. Proceeds from redemption of company-owned life insurance Proceeds from Life Insurance Policy Entity Small Business Entity Small Business Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Schedule of Components of Net Periodic Benefit Cost Schedule of Changes in Projected Benefit Obligations [Table Text Block] Preferred stock, outstanding Preferred Stock, Shares Outstanding State 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] Gain on proceeds from company owned life insurance Gain (Loss) From Life Insurance Policies Amount of gain (loss) from life insurance policies for which the entity is beneficiary. Collateral Value Line of Credit Facility, Collateral Amount Amount of assets pledged to secure line of credit facility. Underlying Securities Award Underlying Securities Amount Low income housing investment expense Estimated Investment Gain Loss On Income Tax Housing Investments Represents information pertaining to investment expense on income tax housing investment. Nonperforming Loans by Class Impaired Financing Receivables, Recorded Investment [Abstract] n/a Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date Schedule of Allowance for Credit Losses on Debt Securities Held-to-maturity Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Table Text Block] Income Taxes Income Tax Disclosure [Text Block] Total cash and cash equivalents Cash and cash equivalents Cash, Cash Equivalents, and Federal Funds Sold Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Average life of the factored receivables (in days) Average Life of Factored Receivables Represents the average life of the factored receivables, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Actual, Ratio (as a percent) Common Equity Tier One Risk Capital to Risk Weighted Assets Common Equity Tier 1 capital divided by risk weighted assets as defined by regulations. United American Bank United American Bank [Member] Represents information pertaining to United American Bank. Weighted Average Remaining Contractual Life - Exercisable at the end of the period (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Common stock repurchase, price per share (in dollars per share) Shares Acquired, Average Cost Per Share Document Type Document Type Fair Value, Inputs, Level 3 Fair Value, Inputs, Level 3 [Member] Shareholders' Equity and Earnings Per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Loss Contingencies [Table] Loss Contingencies [Table] Product and Service [Axis] Product and Service [Axis] Revolving Loans Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff Business Combination, Intangible Asset, Acquired, Finite-Lived [Table] Business Combination, Intangible Asset, Acquired, Finite-Lived [Table] Service charges and fees on deposit accounts Revenue from Contract with Customer, Excluding Assessed Tax Debt Securities, Available-for-Sale, Allowance for Credit Loss [Line Items] Debt Securities, Available-for-Sale, Allowance for Credit Loss [Line Items] Statistical Measurement [Axis] Statistical Measurement [Axis] Share repurchase program, Authorized to repurchase amount Share Repurchase Program, Authorized, Amount Forfeited or expired (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Year two Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff Number of civil actions filed Loss Contingency, New Claims Filed, Number Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Intrinsic value of options exercised Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value Total income expense on share-based compensation Share-Based Payment Arrangement, Tax Expense Share-Based Payment Arrangement, Tax Expense Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Due after one through five years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Fair Value Servicing income Fees and Commissions, Mortgage Banking and Servicing Share Repurchase Program [Domain] Share Repurchase Program [Domain] Other comprehensive income Other comprehensive income, net of taxes Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Additional Information Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] Business combination, price per share (in dollars per share) Business Combination, Price Per Share Fair Value, Inputs, Level 1 Fair Value, Inputs, Level 1 [Member] Outstanding Long-Term Line of Credit Collateral dependent loans Collateral Dependent Loans The values of collateral dependent loans. Diluted (in dollars per share) Diluted earnings per share (in dollars per share) Earnings Per Share, Diluted Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Presidio Bank Presidio Bank [Member] Presidio Bank. Supplemental schedule of non-cash activity: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization Excluding Amortization Of Intangible Assets The aggregate expense recognized in the current period that allocates the cost of tangible assets or depleting assets to periods that benefit from use of the assets. Changes in AOCI by Component AOCI Attributable to Parent, Net of Tax [Roll Forward] Payment delay Financing Receivable, Excluding Accrued Interest, Modified in Period, Amount Business Segment Information Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract] State and local: Income Tax Paid, State and Local, after Refund Received Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Auditor Location Auditor Location Core Deposit Intangible Core deposit intangibles Core Deposits [Member] 2031 Time Deposit Maturities, Year Six Amount of time deposit maturing in sixth fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Term Extension Extended Maturity [Member] The number of holdings of securities Investment Securities Qualitative Disclosure, Number of Holdings of Securities of Any One Issuer Other than Us Government and Sponsored Entities Represents the number of holdings of securities of any one issuer other than the U.S. Government and its sponsored entities, in the amount greater than 10% of shareholders' equity. Condensed Balance Sheet Statement [Table] Condensed Balance Sheet Statement [Table] Actuarial loss (gain) Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Axis] Comprehensive Income (Loss) Comprehensive Income, Policy [Policy Text Block] Domestic Tax Jurisdiction Domestic Tax Jurisdiction [Member] Loans, net of deferred fees Financing Receivable, before Allowance for Credit Loss, Fee and Loan in Process Schedule of Deposits Held by Entity Within ICS/CDARS Program Schedule Of Insured Cash Sweep Or Certificates Of Deposit Account Registry Service [Table Text Block] Tabular disclosure of interest-bearing demand, money market and time deposits held by the entity within the Certificate of Deposit Account Registry Service program. Discount on cash flows Lessee, Operating Lease, Liability, Undiscounted Excess Amount 2026 Time Deposit Maturities, Year One Income taxes paid, net Total income tax expense Income Taxes Paid, Net 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Two Deferred income taxes Other Comprehensive Income Unrealized Holding Gain (Loss) on Securities and Interest Only Strips Tax Portion Attributable to Parent Represents the tax effect of net unrealized holding gain (loss) on available-for-sale securities and interest-only strip receivable assets during the period. Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Required For Capital Adequacy Purposes, Amount Common Equity Tier One Risk Capital Required for Capital Adequacy The minimum amount of common equity Tier 1 Risk Based Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action. Premises and Equipment Property, Plant and Equipment Disclosure [Text Block] Intersegment interest allocations Intersegment Interest Allocation Represents the amount of intersegment interest allocations. Total undiscounted cash flows Lessee, Operating Lease, Liability, to be Paid HBC Subsidiaries [Member] Schedule of Actual Capital and Required Amounts and Ratios Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block] Loans, net of deferred fees Loans, net of deferred fees Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss Fair Value, off-Balance-Sheet Risk [Table] Fair Value, off-Balance-Sheet Risk [Table] Total Available Line of Credit Facility, Current Borrowing Capacity CRE Non-owner Occupied Commercial And Residential With Non Owner Occupied Financing Receivable [Member] Commercial And Residential with non-owner occupied Financing Receivable Member. Amount of securities sold under agreements Securities Sold under Agreements to Repurchase Expiration Date Trading Arrangement Expiration Date Other Commitments [Domain] Other Commitments [Domain] Prepayment speed assumption (annual rate) (as a percent) Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Prepayment Speed Allowance for credit loss current period Allowance for Credit Losses Beginning balance Ending balance Debt Securities, Held-to-Maturity, Allowance for Credit Loss, Excluding Accrued Interest Premises and equipment, net Premises and equipment, net Property, Plant and Equipment, Net Weighted Average Remaining Contractual Life - Vested or expected to vest (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] I/O strip receivables I/O strips receivables Interest Only Strip Receivables, Fair Value Disclosure This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. This element represents the fair value of interest only strip receivables as of the balance sheet date. Real estate Real Estate Portfolio Segment [Member] Portfolio segment of the Company's total financing receivables related to real estate. Entity Current Reporting Status Entity Current Reporting Status Schedule of Weighted-average Assumptions Used to Determine the Benefit Obligation Schedule of Defined Benefit Plan Assumptions Used in Calculating Benefit Obligation [Table Text Block] Tabular disclosure of the assumptions used to determine the benefit obligation for pension plans and/or postretirement benefit plans, including assumed discount rates, rate increase in compensation and expected long-term rates of return on plan assets. Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Collateral Held [Axis] Collateral Held [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] Statutory Federal income tax rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Financial Instrument [Axis] Financial Instrument [Axis] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Executive Category: Executive Category [Axis] 12 Months or More, Unrealized (Losses) Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Loans Financing Receivable [Policy Text Block] State income taxes, net of federal tax benefit (1) Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Current Fiscal Year End Date Current Fiscal Year End Date Expected life in months Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Less than 12 months, Unrealized (Losses) 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 Schedule of Loans Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Number of shares available for future grants (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Professional fees Professional fees Professional Fees Other Other Noninterest Expense Low income housing investments Low Income Housing Investments [Member] Represents low income housing investments. Weighted average fair value of options granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Pass Pass [Member] Loan Restructuring Modification [Axis] Loan Restructuring Modification [Axis] Time deposits Time Deposits, Fair Value Disclosure Fair value of deposits that cannot be withdrawn before a set date without penalty or for which notice of withdrawal is required. Total, Unrealized (Losses) Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss Condensed balance sheets Condensed Balance Sheet Statements, Captions [Line Items] Number of shares in computing diluted earnings per common share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Securities with unrealized (losses) Schedule of Held-to-Maturity Securities [Line Items] Schedule of Aging of Past Due Loans by Class of Loans Financing Receivable, Past Due [Table Text Block] Other Commitments [Table] Other Commitments [Table] Leases Lessee, Operating Leases [Text Block] Net cash provided by (used in) financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Measure: Measure [Axis] Provision for credit losses on loans Provision for credit losses on loans Financing Receivable, Credit Loss, Expense (Reversal) Schedule of Activity for I/O Strip Receivables Schedule of Interest Only Strip Receivables at Amortized Value [Table Text Block] Tabular disclosure of the activity in the balance of interest-only strips receivables subsequently measured at amortized value (including a description of where changes in carrying value are reported in the statement of income for each period for which results of operations are presented), including but not limited to, the following: beginning and ending balances, additions, disposals, amortization, application of valuation allowances, other-than-temporary impairments, and other changes that affect the balance along with a description of those changes. Due after five through ten years Debt Securities, Held-to-Maturity, Maturity, Allocated and Single Maturity Date, Rolling after 5 through 10 Years, Fair Value Tier 1 Capital (to average assets) Banking Regulation, Tier 1 Leverage Capital [Abstract] Number of securities with fair values below amortized cost Available for Sale Securities and Held to Maturity Securities in Unrealized Loss Positions Qualitative Disclosure, Number of Positions Number of investment positions in available-for-sale and held-to-maturity investments in a continuous unrealized loss position for which an other-than-temporary impairment (OTTI) has not been recognized in the income statement. Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [Domain] Remaining authorized repurchase amount Share Repurchase Program, Remaining Authorized, Amount Consumer and Other Consumer and other Consumer Portfolio Segment [Member] Sensitivity Analysis of Fair Value of Interests Continued to be Held by Transferor, Servicing Assets or Liabilities, Impact of Adverse Change in Assumption [Line Items] Sensitivity Analysis of Fair Value of Interests Continued to be Held by Transferor, Servicing Assets or Liabilities, Impact of Adverse Change in Assumption [Line Items] Schedule of Reclassifications out of AOCI into Net Income Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Percentage of holdings of securities Available for Sale Securities as Percentage of Shareholders Equity Considered as Threshold for Disclosure Purpose Represents the holdings of securities as percentage of shareholders' equity, considered as threshold for disclosure purpose. Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Total Capital (to risk-weighted assets) Banking Regulation, Total Capital [Abstract] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Weighted average risk-free interest rate (as a percent) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Amortization of subordinated debt issuance costs Amortization of Debt Issuance Costs Entity Tax Identification Number Entity Tax Identification Number Low income housing credits, net of investment losses Effective Income Tax Rate Reconciliation, Tax Credit, Percent Year four Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff Agency mortgage-backed securities and collateralized mortgage obligations Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Fair Value Outstanding at the beginning of the period (in dollars per share) Outstanding at the end of the period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Gain on proceeds from company-owned life insurance Gain Loss On Redemption Of Corporate Owned Life Insurance Represents the amount of gain (loss) on redemption of corporate owned life insurance policies. Stock option expense, net Stock or Unit Option Plan Expense Common stock, shares issued Common Stock, Shares, Issued Agency mortgage-backed securities Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member] Entity Public Float Entity Public Float Schedule of Carrying Amount of Goodwill by Segment Schedule of Goodwill [Table Text Block] Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Loss Contingencies [Line Items] Loss Contingencies [Line Items] Substandard-Nonaccrual Substandard-Nonaccrual [Member] A category of financing receivables that have all the weaknesses inherent in those classified as substandard, and in non-accrual status. Security Exchange Name Security Exchange Name Valuation allowance Servicing Asset at Amortized Cost, Increase (Decrease) for Valuation Allowance Adjustment Number of held to maturity securities held Held to Maturity Securities Qualitative Disclosure, Number of Positions Represents the number of investment positions in the held to maturity investments as of the balance sheet date. Merger related costs Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount Brokered deposits Deposits, Brokered Amount of deposits brokered. Common stock repurchased (in shares) Repurchase of shares (in shares) Stock Repurchased During Period, Shares Number of available for sale securities held Available for Sale Securities, Qualitative Disclosure, Number of Positions Represents the number of investment positions in the available-for-sale investments as of the balance sheet date. Long Term Incentive Equity Program Long Term Incentive Equity Program [Member] Represents information pertaining to the Long Term Incentive Equity Program. Discount rate Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Focus Business Bank FocusBusinessBank [Member] Represents information pertaining to Focus Business Bank. Vesting period of defined benefit stated amount, minimum (in years) Defined Benefit Plan Vesting Period Minimum Represents the minimum vesting period of stated amount under the defined benefit pension or other postretirement plan(s). Statement Statement [Line Items] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Subsequent Events Subsequent Event [Line Items] Common Stock Common Stock [Member] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Time deposits, including deposits within the CDARS and brokered deposits, $250,000 or more Time Deposits Including Deposits within Certificate of Deposit Account Registry Service and Brokered Deposits 250,000 or More Represents the aggregate amount of domestic and foreign time deposit liabilities including deposits within the Certificate of Deposit Account Registry Service program and brokered deposits in denominations of $250,000 or more. 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 Dilutive potential common shares Weighted Average Number of Shares Outstanding, Diluted, Adjustment Change in net pension and other benefit plan liability adjustment Other Comprehensive (Income) Loss, Defined Benefit Plan, before Tax, after Reclassification Adjustment, Attributable to Parent Statistical Measurement [Domain] Statistical Measurement [Domain] Defined postretirement benefit obligation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Five Commercial Commercial Financing Receivable [Member] Represents information pertaining to commercial financing receivable. Schedule of condensed balance sheets Condensed Balance Sheet [Table Text Block] Amortized Cost Total Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss Noninterest Income Out-of-scope of Topic 606 Revenue Not from Contract with Customer, Excluding Interest Income Company-owned life insurance Bank Owned Life Insurance Equity in undistributed net income of subsidiary bank Income (Loss) from Equity Method Investments Leases [Abstract] Leases [Abstract] Total, Fair Value Debt Securities, Held-to-Maturity, Unrealized Loss Position, Fair Value 2027 through 2028 Commitment Due After First Year Minimum amount of other commitment maturing after the first fiscal year following the latest fiscal year for commitments not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in this taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. Goodwill and Other Intangible Assets Intangible Asset, Acquired, Finite-Lived [Line Items] Nonaccrual with no Specific Allowance for Credit Losses Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance Gross Unrealized (Losses) Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Net amortization of restricted stock awards Amortization of Restricted Stock Award Amortization of restricted stock awards, net of forfeitures and taxes. Basic (in dollars per share) Basic earnings per share (in dollars per share) Earnings Per Share, Basic Schedule of Collateral Value of Loans and Securities Pledged Schedule of Line of Credit Facilities [Table Text Block] Number of shares reserved for future issuance (in shares) Common Stock, Capital Shares Reserved for Future Issuance Other Intangible Assets Finite-Lived Intangible Assets, Gross [Abstract] Change in unrealized gains on securities and I/O strips, net of deferred income taxes Other Comprehensive Income, Available For Sale Securities and Interest Only Strips Adjustment, Net of Tax, Portion Attributable to Parent Net of tax amount of the appreciation (loss) in value of unsold available-for-sale securities and interest-only strips attributable to the parent entity. Excludes amounts related to other than temporary impairment (OTTI) losses. Total deferred tax assets Deferred Tax Assets, Gross Discount rate Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Schedule of Information by Operating Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] 2030 Time Deposit Maturities, Year Five Gross Unrecognized Gains Debt Securities, Held-to-Maturity, Accumulated Unrecognized Gain Charge-offs Total Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff Percentage of unused commitments to outstanding gross loans Percentage Of Unused Commitments To Outstanding Gross Loans Percentage of unused commitments to outstanding gross loans. Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Securities, taxable Interest Income, Securities, Operating, Taxable Accounts and Financing Receivables [Table] Accounts and Financing Receivables [Table] Other comprehensive income (loss) before reclassification, net of taxes OCI, before Reclassifications, Net of Tax, Attributable to Parent Total compensation cost Share-Based Payment Arrangement, Expense Loans, net Financing Receivable, Accrued Interest, after Allowance for Credit Loss Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Termination fees Termination Fees Amount of termination fees. Stock option expense, net of forfeitures and taxes Stock Issued During Period Value Stock Options Exercised Net of Forfeitures and Tax Benefit (Expense) The amount of expenses incurred during the period for stock options issued, but not exercised, net of forfeitures and taxes. Loans held-for-sale - SBA, at lower of cost or fair value, including deferred costs Financing Receivable, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance Total liabilities and shareholders' equity Liabilities and Equity Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Defined Benefit Pension Plan Items Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Amount Reclassified from AOCI Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Schedule of Carrying Amount of Low Income Tax Housing Investment Summary Of Carrying Amount Of Income Tax Housing Investment [Table Text Block] Represents information pertaining to carrying amounts of income tax housing investment. Amounts reclassified from other comprehensive loss, net of taxes Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Other Deferred Tax Assets, Other Bay View Funding Bay View Funding [Member] About Bay View Funding. Accounting Policies [Abstract] Schedule of Maturity Analysis Shows the Undiscounted Cash Flows Due on the Company's Operating Lease Liabilities Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Year one Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year Pay vs Performance Disclosure [Line Items] Collateralized mortgage obligations Collateralized Debt Obligations [Member] To Be Well Capitalized Under Regulatory Requirements, Ratio (as a percent) Banking Regulation, Tier 1 Leverage Capital Ratio, Well Capitalized, Minimum Total lease liability Operating Lease - Liabilities Operating Lease, Liability 90 Days or Greater Past Due Financial Asset, Equal to or Greater than 90 Days Past Due [Member] Liabilities: Liabilities [Abstract] Required For Capital Adequacy Purposes, Amount Tier One Risk Based Capital Required For Capital Adequacy With Buffer Amount of minimum Tier 1 risk-based capital required for capital adequacy with buffer as defined by regulatory framework. Payment default for loans modified Financing Receivable, Excluding Accrued Interest, Modified, Subsequent Default Net (charge-offs) recoveries Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff (Recovery) Capital Requirements Regulatory Capital Requirements under Banking Regulations [Text Block] Year three Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount 2028 Lessee, Operating Lease, Liability, to be Paid, Year Three Prior Periods Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff To Be Well Capitalized Under Regulatory Requirements, Ratio (as a percent) Banking Regulation, Tier 1 Risk-Based Capital Ratio, Well Capitalized, Minimum Total comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Name Measure Name Service charges and fees on deposit accounts Service Charges And Fees On Deposit Accounts [Member] Represents the information pertaining to Service charges and fees on deposit accounts. Net change in deposits Increase (Decrease) in Deposits Maturities/paydowns/calls of securities available-for-sale Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale Percentage of awarded value in relevant award type Percentage Of Awarded Value In Relevant Award Type Percentage of of award value in relevant award type such as restricted stock units or performance-based restricted stock units in which "Performance Restricted Stock Units" contingent on relative return on average tangible common equity ("ROATCE") performance. Low income housing tax credits Estimated Tax Credits On Income Tax Housing Investments represents information pertaining to tax credits on income tax housing investment. Weighted average servicing rate for loans serviced (as a percent) Servicing Asset Weighted Average Servicing Rate for Loans Serviced Represents the weighted average servicing rate for loans serviced. Schedule of Amortized Cost and Estimated Fair Value of Securities Unrealized Gain (Loss) on Investments [Table Text Block] Legal Entity [Axis] Legal Entity [Axis] Total assets Total assets Assets Schedule of condensed statements of cash flows Condensed Cash Flow Statement [Table Text Block] Allowance for credit losses on loans Deferred Tax Asset, Tax Deferred Expense, Reserve and Accrual, Financing Receivable, Allowance for Credit Loss 2026 Finite-Lived Intangible Asset, Expected Amortization, Year One Vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Financing Receivable, Credit Quality Indicator [Line Items] Financing Receivable, Credit Quality Indicator [Line Items] Accumulated other comprehensive loss Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax Geographical [Domain] Geographical [Domain] Combined number of active and retired/terminated participants in the SERP Defined Benefit Plan Combined Number of Active and Retired or Terminated Participants Represents the combined number of active and retired/terminated participants in the defined benefit pension or other postretirement plan(s). Income Taxes Income Tax, Policy [Policy Text Block] Financing Receivable, Allowance for Credit Loss [Roll Forward] Financing Receivable, Allowance for Credit Loss [Roll Forward] Deferred Tax Assets and Liabilities Components of Deferred Tax Assets and Liabilities [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES: Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Interest-bearing demand deposits Interest-bearing Deposit, Demand Amount of money in interest-bearing accounts that entitle the depositor to withdraw funds at any time without prior notice, also known as demand deposits. Other segment items Segment Reporting, Other Segment Item, Amount Schedule of Noninterest Expense Schedule Of Noninterest Expense [Table Text Block] Tabular disclosure of the components of non-interest expense Uncollateralized Uncollateralized [Member] Financial Assets and Liabilities Measured on a Recurring Basis Assets, Fair Value Disclosure [Abstract] Due after one through five years Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Amortized Cost 2027 Time Deposit Maturities, Year Two 2029 Finite-Lived Intangible Asset, Expected Amortization, Year Four Required For Capital Adequacy Purposes, Ratio (as a percent) Banking Regulation, Total Risk-Based Capital Ratio, Capital Adequacy, Minimum Securities held-to-maturity Estimated Fair Value Total Debt Securities, Held-to-Maturity, Fair Value Shareholders' Equity and Earnings Per Share Shareholders' Equity and Earnings Per Share [Abstract] No definition available. Cash dividend declared per share (in dollars per share) Quarterly cash dividends declared to holders of common stock Common Stock, Dividends, Per Share, Declared Federal Home Loan Bank ("FHLB"), Federal Reserve Bank ("FRB") stock and other investments, at cost FHLB stock, FRB stock, and other investments Other Investments Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Securities Debt Securities, Available-for-Sale [Line Items] Schedule of Maturities of Time Deposits Schedule of Maturities of Time Deposits [Table Text Block] Tabular disclosure of maturities of time deposits. Repurchase Program Repurchase Program [Member] Repurchase Program Fair Value, Inputs, Level 2 Fair Value, Inputs, Level 2 [Member] Document Financial Statement Error Correction Document Financial Statement Error Correction [Flag] State income taxes, net of federal tax benefit (1) Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Commitments and Contingencies Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Business Combination [Domain] Business Combination [Domain] Other deposits Other Deposits, Fair Value Disclosure This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents the fair value of deposits other than time deposits as of the balance sheet date. Below/ (Above) Market Lease Below market leases Leases, Acquired-in-Place, Market Adjustment [Member] Split-Dollar Life Insurance Benefit Plan Postretirement Life Insurance [Member] Residential Mortgages Residential Mortgage [Member] Schedule of Income Tax Expense Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Plan Name [Axis] Plan Name [Axis] Premises and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Accrued interest payable and other liabilities Increase (Decrease) in Accrued Interest Payable and Other Liabilities The net change during the reporting period in the carrying value as of the balance sheet date of accrued interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Also, represents the net change during the reporting period in the carrying value of the sum of liabilities not individually reported in the financial statements. PEO PEO [Member] Number of buildings owned Number Of Buildings Owned Represents the number of buildings owned by the entity. Actual, Amount Banking Regulation, Tier 1 Leverage Capital, Actual Schedule of Amortized Cost and Estimated Fair Values of Securities, by Contractual Maturity Investments Classified by Contractual Maturity Date [Table Text Block] Interest income Investment Income, Interest Income before income taxes and equity in net income of subsidiary bank Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Intangible liabilities Deferred Tax Liabilities, Intangible Assets Income Tax Paid, by Individual Jurisdiction [Line Items] Income Tax Paid, by Individual Jurisdiction [Line Items] Foreclosed Assets Financing Receivable, Held-for-Investment, Foreclosed Asset [Policy Text Block] Effect of changes in: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Actual, Amount Banking Regulation, Common Equity Tier 1 Risk-Based Capital, Actual Common Equity Tier 1 Capital (to risk-weighted assets) Banking Regulation, Common Equity Tier 1 Risk-Based Capital [Abstract] Demand, interest-bearing Interest-Bearing Domestic Deposit, Demand Volatility (as a percent) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Total Time Deposits Retained Earnings Retained Earnings [Member] Income Tax Jurisdiction [Axis] Income Tax Jurisdiction [Axis] Share-Based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Sub Debt Due 2027 Sub Ordinated Debt Due On 2027 [Member] Represents information relating to subordinated debt due on 2027. 12 Months or More, Fair Value Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Factoring Factoring Segment [Member] Represents the factoring segment, an operating segment of the entity. Financing Receivable, Modified [Table] Financing Receivable, Modified [Table] Increase (decrease) to the allowance for credit losses on loans Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal) Product and Service [Domain] Product and Service [Domain] Cash dividend Dividends [Abstract] Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net actuarial loss Accumulated Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), after Tax Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Business Combination [Table] Business Combination [Table] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Schedule of Activity for Loan Servicing Rights Schedule of Loan Servicing Rights at Amortized Value [Table Text Block] Tabular disclosure of the activity in the balance of loan servicing rights subsequently measured at amortized value (including a description of where changes in carrying value are reported in the statement of income for each period for which results of operations are presented), including but not limited to, the following: beginning and ending balances, additions, disposals, amortization, application of valuation allowances, other-than-temporary impairments, and other changes that affect the balance along with a description of those changes. Non-taxable interest income Effective Income Tax Rate Reconciliation, Tax Exempt Income, Amount Income Tax Paid, by Individual Jurisdiction [Table] Income Tax Paid, by Individual Jurisdiction [Table] Revolving Loans Amortized Cost Basis Financing Receivable, Excluding Accrued Interest, Revolving City Area Code City Area Code Schedule of Changes in Allowance for Loan (Credit) Losses Financing Receivable, Allowance for Credit Loss [Table Text Block] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] CASH FLOWS FROM INVESTING ACTIVITIES: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration] Accrued interest receivable and other assets Increase (Decrease) in Accrued Interest Receivable and Other Assets, Net The net change during the reporting period in the amount due from borrowers for interest payments and the net change during the reporting period in other operating assets not otherwise defined in the taxonomy. Amortization of net actuarial loss Defined Benefit Plan, Amortization of Gain (Loss) Other liabilities Other Liabilities Goodwill Goodwill Schedule of Quantitative Information for the Company's Leases Lease, Cost [Table Text Block] Financial Asset, Amortized Cost, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] Financial Asset, Amortized Cost, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] Cash Flows Cash Flows [Policy Text Block] Disclosure of accounting policy related to components of the statements of cash flows. Federal Deferred Federal Income Tax Expense (Benefit) Auditor Name Auditor Name Stock option/restricted stock windfall tax benefit Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-Based Payment Arrangement, Amount PRSU Performance Based Restricted Stock Units [Member] Represents information pertaining to performance based restricted stock units. Equipment Equipment [Member] Loan Servicing Transfers and Servicing of Financial Assets [Text Block] Estimated Benefit Payments Defined Benefit Plan, Expected Future Benefit Payment [Abstract] Due after three months through one year Available-for-sale Securities, Debt Maturities, Rolling after Three Months through One Year, Fair Value Fair value of available-for-sale debt securities maturing after 3 months through one year following the latest balance sheet. Summary of Significant Accounting Policies Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Supplemental disclosures of cash flow information: Supplemental Cash Flow Information [Abstract] Other Performance Measure, Amount Other Performance Measure, Amount Weighted Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] To Be Well Capitalized Under Regulatory Requirements, Ratio (as a percent) Common Equity Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets The Common equity Tier 1 capital ratio (Tier 1 capital divided by risk weighted assets) required to be categorized as "well capitalized" under the regulatory framework for prompt corrective action. Securities Marketable Securities, Policy [Policy Text Block] Retirement Plans Pension and Other Postretirement Plans, Policy [Policy Text Block] Amount Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] Liabilities: Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] Deferred loan fees, net Financing Receivable, Unamortized Loan Cost (Fee) and Purchase Premium (Discount) Entity [Domain] Entity [Domain] Net cash (used in) provided by investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activity Document Fiscal Year Focus Document Fiscal Year Focus Description of Business and Basis of Presentation and Merger agreement with CVB Financial Corp. Basis of Accounting, Policy [Policy Text Block] Total operating lease ROU asset Operating Lease - ROU assets Operating Lease, Right-of-Use Asset Income tax expense and effective tax rate Effective Income Tax Rate Reconciliation, Percent Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract] Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract] Reported Value Measurement Reported Value Measurement [Member] Plan Name [Domain] Plan Name [Domain] Merger-related costs Business Combination, Acquisition-Related Cost, Expense Expected weighted-average period for recognition of compensation costs related to nonvested stock options (in years) Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Stock options exercised (in shares) Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Nonaccrual loans Financing Receivable, Nonaccrual Goodwill and Other Intangible Assets Goodwill and Intangible Assets, Policy [Policy Text Block] Building Building [Member] Business Segment Information Segment Reporting Disclosure [Text Block] Goodwill [Table] Goodwill [Table] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] U.S. Treasury US Treasury Securities [Member] Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Federal Current Federal Tax Expense (Benefit) Insurance expense Information Technology and Data Processing Other Commitments [Line Items] Other Commitments [Line Items] Increase (Decrease) in Shareholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Securities available-for-sale: Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Schedule of Components of Net Periodic Benefit Cost Schedule of Net Benefit Costs [Table Text Block] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Held-to-maturity, Estimated Fair Value Debt Securities, Held-to-Maturity, Fair Value, Rolling Maturity [Abstract] Accumulated Other Comprehensive Income ("AOCI") Comprehensive Income (Loss) Note [Text Block] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Operating Lease Right of Use Assets and Liabilities Lessee, Leases [Policy Text Block] Amortization of other intangible assets Amortization of Intangible Assets Schedule of Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets [Table] Schedule of Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets [Table] Common stock repurchased Common stock repurchased Stock Repurchased During Period, Value Schedule of Changes in AOCI by Component Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Allowance for Credit Losses - Held-to-Maturity Securities Allowance for Credit Losses – Held-to-Maturity Securities Policy [Policy Text Block] Disclosure of accounting policy for Allowance for Credit Losses - Held-to-Maturity Securities. Arrangement Duration Trading Arrangement Duration Segments [Axis] Segments [Axis] Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Accrued interest receivable and other assets Interest Receivable and Other Assets Civil Actions Challenging Merger Civil Actions Challenging Merger [Member] Civil Actions Challenging Merger Equity Plan Share-Based Payment Arrangement [Text Block] Assets Assets [Abstract] Credit Facility [Axis] Credit Facility [Axis] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Number of employees elected to participate in deferred compensation Number of Employees, Elected To Participate In Deferred Compensation Represents the employees who elected to participate in the deferred compensation. Other Commitments [Axis] Other Commitments [Axis] Components of net periodic benefit cost: Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] Debt Instrument [Axis] Debt Instrument [Axis] Amount Reclassified from AOCI AOCI Attributable to Parent [Abstract] Forfeited or expired (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Due after one through five years Debt Securities, Held-to-Maturity, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Fair Value Banking and Thrift, Other Disclosure [Abstract] Banking and Thrift, Other Disclosure [Abstract] Fair Value Fair Value Disclosures [Text Block] Benefit Plans Retirement Benefits [Text Block] Business Combination [Line Items] Business Combination [Line Items] Credit Facility [Domain] Credit Facility [Domain] Shareholders' equity: Equity, Attributable to Parent [Abstract] Fixed interest rate (as a percent) Debt Instrument, Interest Rate, Stated Percentage 30 - 59 Days Past Due Financial Asset, 30 to 59 Days Past Due [Member] Entity Voluntary Filers Entity Voluntary Filers To Be Well Capitalized Under Regulatory Requirements, Amount Common Equity Tier One Risk Capital Required To Be Well Capitalized The amount of common equity Tier 1 Based Capital required to be categorized as well capitalized under the regulatory framework for prompt corrective action. Income Tax (Benefit) Components of Income Tax Expense (Benefit), Continuing Operations [Abstract] Due after five through ten years Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year 5 through 10 Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] To Be Well Capitalized Under Regulatory Requirements, Ratio (as a percent) Banking Regulation, Total Risk-Based Capital Ratio, Well Capitalized, Minimum Net periodic benefit cost Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Debt Securities, Held-to-Maturity, Excluding Accrued Interest, after Allowance for Credit Loss [Roll Forward] Debt Securities, Held-to-Maturity, Excluding Accrued Interest, after Allowance for Credit Loss [Roll Forward] Debt Securities, Held-to-Maturity, Excluding Accrued Interest, after Allowance for Credit Loss Required For Capital Adequacy Purposes, Ratio (as a percent) Common Equity Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets The minimum Common equity Tier One Capital Ratio (Tier one capital divided by risk-weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action. Vested or expected to vest (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number Other states State and Local Tax Jurisdiction, Other [Member] Business Assets Business Assets [Member] represents information relating to business assets. Deposits [Abstract] Deposits [Abstract] Total Past Due Financial Asset, Past Due [Member] BVF/CSNK Bvf Csnk Acquisition Corp [Member] Represents the acquired entity, Bay View Funding (BVF)/CSNK Acquisition Corp., a Delaware Corporation. Amortization of premiums and accretion of discounts on securities Accretion (Amortization) of Discounts and Premiums, Investments Commitments to extend credit, variable rate Fair Value Disclosure, Off-balance Sheet Risks, Amount, Asset, Commitments to Extend Credit, Variable Rate The fair value of financial assets, commitments to extend credit with variable rates, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition. Interest cost Defined Benefit Plan, Interest Cost Granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Less than 12 Months, Fair Value Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value Schedule of Company's Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Restatement Determination Date: Restatement Determination Date [Axis] Maximum percentage of bonus into deferred account Deferred Compensation Arrangement, Maximum Percentage Of Bonus Into Deferred Account Represents the maximum percentage of bonus into deferred account. Allowance for Credit Losses on Loans Loans Receivable, Allowance for Loan Losses Policy [Policy Text Block] Disclosure of accounting policy for estimating the allowance for losses on loans receivables. The disclosure may include (a) how the entity determines each element of the allowance, (b) which loans are evaluated individually and which loans are evaluated as a group, (c) how the entity determines both the allocated and unallocated portions of the allowance, (d) how the entity determines the loss factors applied to graded loans in order to develop a general allowance, and (e) what self-correcting mechanism the entity uses to reduce differences between estimated and actual losses. Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] SBA loans originated for sale Payment for Origination and Purchase, Loan, Held-for-Sale Name Trading Arrangement, Individual Name Principal amount Debt Instrument, Face Amount Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Premises and equipment Deferred Tax Assets, Property, Plant and Equipment Company-Owned Life Insurance and Split-Dollar Life Insurance Benefit Plan Bank Owned Life Insurance and Split Dollar Life Insurance Benefit Plan [Policy Text Block] Disclosure of accounting policy related to entity (a bank) owned life insurance and spilt-dollar life insurance benefit plan. Share Repurchase Program [Axis] Share Repurchase Program [Axis] Weighted-average Assumption Used to Determine Net Periodic Benefit Cost: Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract] Name Awards Close in Time to MNPI Disclosures, Individual Name Nonvested shares at the beginning of the period (in dollars per share) Nonvested shares at the end of the period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Due after one through five years Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year One through Five Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Future commitments Other Commitment Loan Commitments and Related Financial Instruments Loan Commitments and Related Financial Instruments [Policy Text Block] Disclosure of accounting policy for loan commitments accounted for as derivatives, including the methods and assumptions used to estimate fair value, any associated hedging strategies and related financial instruments. ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Available-for-sale, Estimated Fair Value Debt Securities, Available-for-Sale, Maturity, Fair Value, Rolling Maturity [Abstract] Schedule of condensed statements of income Condensed Income Statement [Table Text Block] Litigation Case [Axis] Litigation Case [Axis] Auditor Firm ID Auditor Firm ID California net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards, State and Local Segments [Domain] Segments [Domain] Remaining Available Line of Credit Facility, Remaining Borrowing Capacity Securities Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Projected benefit obligation at beginning of year Projected benefit obligation at end of year Defined Benefit Plan, Benefit Obligation Low income housing investments Carrying Amount of Estimated Gain Loss on Housing Investment on Income Tax Represents the amount of estimated gain or loss recognized during the period from investments in low income housing partnerships. Unrealized Gains/(Losses) on Available- for-Sale Securities and I/O Strips AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] Interest expense: Interest Expense, Operating and Nonoperating [Abstract] Accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Deposits from executive officers, directors, and their affiliates Deposits from Related Parties Represents the carrying amount of deposits from related parties as of the balance sheet date. Insured Cash Sweep ("ICS")/Certificates of Deposit Account Registry Service ("CDARS") - interest-bearing demand, money market and time deposits Total ICS/CDARS Time Deposits and Money Market Deposits Cdars The aggregate amount of interest-bearing demand, money market and time deposits held by the entity within the Certificate of Deposit Account Registry Service program. Number of loans for which multiple concessions are provided Number Of Loans, Multiple Concessions Provided Number of loans for which multiple concessions are provided. Purchase of securities available-for-sale Payments to Acquire Debt Securities, Available-for-Sale Preferred stock Preferred Stock, Value, Issued Subordinated debt, net of issuance costs Subordinated debt Subordinated Debt Year two Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year Activity for Loan Servicing Rights Activity for I/O Strip Receivables Servicing Asset at Amortized Cost, Balance [Roll Forward] Financial Asset, Aging [Axis] Financial Asset, Aging [Axis] All Executive Categories All Executive Categories [Member] Schedule of Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Common stock Common Stock, Value, Issued Scheduled Maturities of Time Deposits Time Deposits, Fiscal Year Maturity [Abstract] Equity in undistributed net income of subsidiary bank Income (Loss) from Equity Method Investments, Net of Dividends or Distributions Loans, including fees Interest and Fee Income, Loans and Leases Gain on sales of SBA loans Gain on sale of SBA loans Gain (Loss) on Sale of Loans and Leases Title and Position [Axis] Title and Position [Axis] Consideration transferred Business Combination, Consideration Transferred, Equity Interest, Share Issued, Value Year one Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff Business Combination [Axis] Business Combination [Axis] Revenue, Product and Service [Extensible Enumeration] Revenue, Product and Service [Extensible Enumeration] Supplemental Retirement Plan Supplemental Employee Retirement Plan [Member] Deferred income taxes Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax, Attributable to Parent Net deferred tax assets Net deferred tax assets Deferred Tax Assets, Net CRE Owner Occupied Commercial And Residential With Owner Occupied Financing Receivable [Member] Commercial And Residential with owner occupied Financing Receivable Member. PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Forfeited or expired (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period 60 - 89 Days Past Due Financial Asset, 60 to 89 Days Past Due [Member] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Short-term borrowings Interest Expense, Other Short-Term Borrowings Due after three months through one year Held-to-maturity Securities, Debt Maturities, Rolling after Three Months through One Year, Fair Value Fair value of held-to-maturity debt securities maturing after 3 months through one year following the latest balance sheet. Amount recognized in other comprehensive (loss) income Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax California CALIFORNIA Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Table] 2030 Defined Benefit Plan, Expected Future Benefit Payment, Year Five Loan Classified as Loss Loan Classified As Loss [Member] Loan Classified As Loss All Individuals All Individuals [Member] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Securities held-to-maturity Debt Securities, Held-to-Maturity, Parenthetical Disclosure [Abstract] Land & Construction Land And Construction Financing Receivable [Member] Financing arrangement that represents a contractual right to receive money either on demand or on fixed or determinable dates related to land and construction receivables. Purchase of premises and equipment Payments to Acquire Property, Plant, and Equipment Name Forgone Recovery, Individual Name Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Amount Reclassified from AOCI Reclassification out of Accumulated Other Comprehensive Income [Member] Unrealized loss Servicing Asset at Amortized Value Unrealized Gain Represents the amount of unrealized gain attributable to servicing assets included in amortized value of the assets. Year five Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff Debt Securities, Held-to-Maturity [Table] Debt Securities, Held-to-Maturity [Table] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Intangible Asset, Finite-Lived [Table] Intangible Asset, Finite-Lived [Table] Borrowing Arrangements Line of Credit Facility [Line Items] Geographical [Axis] Geographical [Axis] Total, Unrealized (Losses) Debt Securities, Held-to-Maturity, Unrealized Loss Position, Accumulated Loss Commercial Commercial Portfolio Segment [Member] Net change in other assets and liabilities Increase (Decrease) in Other Operating Assets and Liabilities, Net Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Change in pension and other benefit plan liability, net of deferred income taxes Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent Sub Debt Due 2032 Subordinated Debt Due On 2032 [Member] Represents information relating to subordinated debt due on 2032. Nonaccrual interest Deferred Tax Assets Nonaccrual Interest Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from nonaccrual interest. Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Title of 12(b) Security Title of 12(b) Security Aggregate Intrinsic Value - Vested or expected to vest (in dollars) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value Provision for (recapture of) credit losses on loans Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) Other comprehensive income: Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Earnings per common share: Earnings Per Share [Abstract] 2030 Lessee, Operating Lease, Liability, to be Paid, Year Five Year three Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff Short-Term Debt, Type [Axis] Short-Term Debt, Type [Axis] Furniture and equipment Furniture And Equipment [Member] Equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities and tangible personal property used to produce goods and services. Financing Receivable, Allowance for Credit Loss [Line Items] Financing Receivable, Allowance for Credit Loss [Line Items] Exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Expiration term (in years) Share Based Compensation Arrangements by Share Based Payment Award Options Expiration Term The period of time from the grant date until the time at which the share-based option expires. Schedule of Restricted Stock Activity Under Equity Plans Nonvested Restricted Stock Shares Activity [Table Text Block] Minimum number of hours of service required for plan eligibility Employee Stock Ownership Plan (Esop), Hours of Service Required for Plan Eligibility, Minimum Represents the minimum number of hours of service required in order to be eligible to participate in the plan. Number of securities held Investment Securities Qualitative Disclosure, Number of Positions Represents the number of investment positions as of the balance sheet date. Award Timing Disclosures [Line Items] Service cost Defined Benefit Plan, Service Cost Servicing Asset at Amortized Cost [Line Items] Servicing Asset at Amortized Cost [Line Items] Performance period (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Performance Period Represents the performance period under share-based payment arrangement. FHLB collateralized borrowing capacity Federal Home Loan Bank Advances [Member] Increase in cash surrender value of life insurance Effective Income Tax Rate Reconciliation, Change in Cash Surrender Value of Life Insurance, Amount Effective Income Tax Rate Reconciliation, Change in Cash Surrender Value of Life Insurance, Amount Amortization Servicing Asset at Amortized Cost, Amortization State Deferred State and Local Income Tax Expense (Benefit) Loan Restructuring Modification [Domain] Loan Restructuring Modification [Domain] Other Other noninterest expense Other Noninterest Expense, Other Other noninterest expenses including some other noninterest expenses separately defined in the taxonomy. Loans, net Loans, net Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss Net income Net income Net of tax Net Income (Loss) Attributable to Parent Subsequent Event [Table] Subsequent Event [Table] Actual, Ratio (as a percent) Banking Regulation, Total Risk-Based Capital Ratio, Actual Schedule of Effective Tax Rate Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Vesting period (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Other, net Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Percentage of regular salary into deferred account Deferred Compensation Arrangement, Percentage of Regular Salary Into Deferred Account Represents the percentage of regular salary into a deferred account. Business Segment Information Segment Reporting Information [Line Items] Preferred stock, shares authorized Preferred Stock, Shares Authorized Repurchase shares of the Company common stock Payment to repurchase common stock Payments for Repurchase of Common Stock Adoption Date Trading Arrangement Adoption Date Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] Prepaid expenses Deferred Tax Liabilities, Prepaid Expenses Financing Receivable, Past Due [Table] Financing Receivable, Past Due [Table] Line of credit Line of Credit [Member] Retained earnings Retained Earnings (Accumulated Deficit) Time deposits - under $250 Time Deposits, Less Than $250,000 Amount of time deposit liabilities, including certificates of deposit, in denominations of less than $250,000. Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Expected recognized assets Business Combination, Expected Recognized Assets Business Combination, Expected Recognized Assets Subsequent Event Type [Domain] Subsequent Event Type [Domain] Impairment of intangible assets Impairment of Intangible Assets, Finite-Lived FHLB and FRB stock dividends Investment Income, Dividend Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Other Deferred Tax Liabilities, Other Carrying amount/fair value Transferor's Interests in Transferred Financial Assets, Fair Value Retirement Plan Type [Axis] Retirement Plan Type [Axis] Statement [Table] Statement [Table] Proceeds from sale of SBA loans originated for sale Proceeds from Sale, Loan, Other, Held-for-Sale Total deferred tax Deferred Income Tax Expense (Benefit) Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to reconcile net income to net cash provided by operations: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] CASH FLOWS FROM FINANCING ACTIVITIES: Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Merger related costs Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent Loan servicing rights Loan Servicing Rights [Member] Represents information pertaining to loan servicing rights. Customer relationship and brokered relationship intangibles Customer Relationships And Brokered Relationships [Member] Represents information pertaining to customer relationships and brokered relationships. All Adjustments to Compensation All Adjustments to Compensation [Member] Amendment Flag Amendment Flag Total income benefit on share-based compensation Share-Based Payment Arrangement, Expense, Tax Benefit Number of shares authorized for equity plan (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Condensed statements of income Condensed Income Statements, Captions [Line Items] Transfers and Servicing [Abstract] Transfers and Servicing [Abstract] Termination Date Trading Arrangement Termination Date Other investments and interest-bearing deposits in other financial institutions Interest-Bearing Deposits in Banks and Other Financial Institutions Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] 2028 Time Deposit Maturities, Year Three Allowance for credit losses on loans Beginning of period balance End of period balance Allowance for credit losses on loans Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest Tax (expense) benefit realized from option exercises Tax (Expense) Benefit Realized From Option Exercises Tax (Expense) Benefit Realized From Option Exercises Money market deposits Money Market Deposits Cdars The aggregate amount of money market deposits held by the entity within the Certificate of Deposit Account Registry Service program. Schedule of Stock Option Activity Under the Equity Plans Share-Based Payment Arrangement, Option, Activity [Table Text Block] Weighted average common shares outstanding for basic earnings per common share (in shares) Weighted Average Number of Shares Outstanding, Basic Schedule of Financial Assets and Liabilities Measured on Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Schedule of Reconciliation of Factors Used in Computing Basic and Diluted Earnings per Common Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Exercisable at the end of the period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Subsequent Events [Abstract] Subsequent Events [Abstract] Segment Reporting [Abstract] Segment Reporting [Abstract] Estimated Amortization Expense Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Amortization of restricted stock awards, net Amortization of restricted stock awards, net Amortization of Restricted Stock Award Cash Flow Impact This element represents the cash flow impact of the amortization of restricted stock awards, net, during the reporting period. Income Tax Authority, Name [Axis] Income Tax Authority, Name [Axis] Dividends paid to parent company Dividends, Cash Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Consolidated Entities [Axis] Consolidated Entities [Axis] Split-dollar life insurance benefit plan Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Benefits Accrued interest receivable Accrued Interest Receivable, Fair Value Disclosure Fair value as of the balance sheet date of accrued interest receivable. 2031 to 2035 Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years Use of Estimates Use of Estimates, Policy [Policy Text Block] Actual, Amount Banking Regulation, Total Capital, Actual Occupancy and equipment Occupancy, Net Share-Based Payment Arrangement, Grantee Status [Extensible Enumeration] Share-Based Payment Arrangement, Grantee Status [Extensible Enumeration] Subsequent Events Subsequent Events [Text Block] Insider Trading Arrangements [Line Items] Prior Periods Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year Current Financial Asset, Not Past Due [Member] Securities held-to-maturity: Debt Securities, Held-to-Maturity, Unrealized Loss Position, Accumulated Loss [Abstract] Civil Actions Filed by Purported Shareholders under New York Common Law Civil Actions Filed by Purported Shareholders under New York Common Law [Member] Civil Actions Filed by Purported Shareholders under New York Common Law Total liabilities Liabilities Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Serviced SBA loans sold to secondary market Servicing Asset Loans Held for Sale Small Business Administration Loans Sold to Secondary Market Represents the amount of serviced small business administration loans sold to the secondary market as of the balance sheet date. Dividend Equivalent Units (in dollars per share) Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other than Options, Dividend Equivalent Units, Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other than Options, Dividend Equivalent Units, Weighted Average Grant Date Fair Value Weighted Average Discount Rate - Operating Leases (as percent) Operating Lease, Weighted Average Discount Rate, Percentage Weighted average discount rate for operating leases calculated at point in time. Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Net change in loans Payments for (Proceeds from) Loans and Leases 2023 Plan Equity Incentive Plan 2023 [Member] Represents information pertaining to the 2023 Equity Incentive Plan. Savings and money market Deposits, Savings Deposits Lease accounting Deferred Tax Assets Lease Liabilities Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from lease liabilities. Lease accounting Deferred Tax Assets Right Of Assets Amount of deferred tax liability attributable to taxable temporary differences from right of use assets. Subordinated debt Interest Expense, Subordinated Notes and Debentures Schedule of Restricted Stock Units Under the Equity Plans Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] Deferred tax liabilities: Components of Deferred Tax Liabilities [Abstract] Maturities/paydowns/calls of securities held-to-maturity Proceeds from Maturities, Prepayments and Calls of Held-to-Maturity Securities Total Debt Securities, Held-to-Maturity, Excluding Accrued Interest, after Allowance for Credit Loss Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Schedule of Information Related to Stock Option Activity Under the Equity Plans Cash Proceeds Received and Tax Benefit from Share-Based Payment Awards [Table Text Block] Share-Based Payment Arrangement, Employee [Member]