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Amount allocated to participating common shareholders Undistributed Earnings (Loss) Allocated to Participating Securities, Basic Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Financial Asset, Aging [Domain] Financial Asset, Aging [Domain] Other comprehensive income, before income taxes Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent, Parenthetical Disclosure [Abstract] Due after one year through five years Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five SBA loans serviced for others Loan, Managed and Securitized or Asset-Backed Financing Arrangement, Principal Outstanding 2022, Writeoff Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Subsequent Event [Line Items] Subsequent Event [Line Items] Stock options exercised, net (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Other assets Other Assets Internal Credit Assessment [Domain] Internal Credit Assessment [Domain] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Small Business Administration (“SBA”) servicing asset, net Balance at beginning of period Balance at end of period SBA servicing asset, net Servicing Asset at Amortized Cost Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Weighted average shares outstanding, diluted (in shares) Weighted average shares outstanding, diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Schedule of Fair Value, off-Balance-Sheet Risks [Table] Fair Value, off-Balance-Sheet Risk [Table] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Total shareholders’ equity Beginning balance Ending balance Equity, Attributable to Parent Related Party Related Party [Member] Due in one year or less Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One 2024 Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year Fair Value, Recurring Fair Value, Recurring [Member] Options granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Number of shares authorized (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized 2019 Plan Stock Option 2019 Plan [Member] A share-based compensation plan approved by the Board of Directors and the Shareholders in 2019. Sale of Stock [Domain] Sale of Stock [Domain] Other liabilities Increase (Decrease) in Other Operating Liabilities Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Document Fiscal Period Focus Document Fiscal Period Focus All Executive Categories All Executive Categories [Member] Stock options (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Total loans held for investment, gross Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] ASSETS Assets [Abstract] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Other comprehensive income, net of tax Other comprehensive income Other Comprehensive Income (Loss), Net of Tax Document Type Document Type Membership interests held by other existing members Equity Method Investment, Ownership Percentage, Remaining Members Ownership percentage held by the other existing members of equity method investment. Loans Insured or Guaranteed by Government Authorities [Axis] Loans Insured or Guaranteed by Government Authorities [Axis] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Shares acquired, average cost per share Shares Acquired, Average Cost Per Share 2019 Plan and 2016 Plan Stock Option 2019 Plan and 2016 Plan [Member] A share-based compensation plan approved by the Board of Directors and the Shareholders in 2019 and 2016. Personal Property Personal Property [Member] Personal Property Prior Financing Receivable, Excluding Accrued Interest, Originated, More than Three Years before Current Fiscal Year Financing Receivable, Excluding Accrued Interest, Originated, More than Three Years before Current Fiscal Year Amortized cost Total securities AFS Debt Securities, Available-for-Sale, Amortized Cost Measurement Input, Discount for Lack of Marketability Measurement Input, Discount for Lack of Marketability [Member] Subsequent Event [Table] Subsequent Event [Table] Maximum Maximum [Member] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Class A Voting Units Class A Voting Units [Member] Classification of Class A voting units of common stock representing ownership interest in a corporation. Accounting Policies [Abstract] Accounting Policies [Abstract] Liabilities Liabilities [Abstract] Loans pledged to secure FHLB line of credit Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged Payment term increase from modification, minimum Financing Receivable, Modified, Deferral Period, Minimum Financing Receivable, Modified, Deferral Period, Minimum Schedule of Valuation Allowance for Impairment of Recognized Servicing Assets Schedule of Valuation Allowance for Impairment of Recognized Servicing Assets [Table Text Block] 12 Months or More, Fair Value Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value Fair Value of Financial Instruments Fair Value Measurement, Policy [Policy Text Block] Investment securities held-to-maturity, net of allowance for credit losses of $0, (fair value of $12.2 million and $13.8 million, respectively) Debt securities, amortized cost Amortized Cost Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss Current Fiscal Year End Date Current Fiscal Year End Date (Commissions paid to) distributions received from BFG Related Party Transaction, Amounts of Transaction Weighted average effect of dilutive securities: Weighted Average Number of Shares Outstanding, Diluted, Adjustment [Abstract] Statistical Measurement [Axis] Statistical Measurement [Axis] PEO Name PEO Name Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Business Funding Group, LLC BFG Business Funding Group, LLC [Member] A small business loan broker, primarily under the SBA's 7(a) loan program. Investment in Federal Home Loan Bank ("FHLB") stock, at cost Federal Home Loan Bank Stock Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Award Type [Domain] Award Type [Domain] Loan Restructuring Modification [Domain] Loan Restructuring Modification [Domain] Increase in BFG investment in exchange for shares of the Company’s common stock Other Significant Noncash Transaction, Value of Consideration Given Name Outstanding Recovery, Individual Name Stock-based compensation expense (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Revolving, open-end lines of credit Revolving, Open-End Lines of Credit [Member] Financial instruments with off-balance-sheet risk. Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Non-PEO NEO Non-PEO NEO [Member] Additions to servicing asset Servicing Asset at Amortized Cost, Additions Additional Paid-In Capital Additional Paid-in Capital [Member] Schedule of Loans Outstanding by General Ledger Classification Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Award Timing Predetermined Award Timing Predetermined [Flag] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Investment, Name [Axis] Investment, Name [Axis] Bank of the West Bank of the West [Member] Line of credit through Bank of West. Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Class of Stock [Axis] Class of Stock [Axis] Outstanding Balance Financing Receivable, Excluding Accrued Interest, Modified in Period, Amount Earnings per share, diluted (in dollars per share) Earnings Per Share, Diluted Noncash operating lease cost Operating Lease, Right-of-Use Asset, Periodic Reduction Name Measure Name Entity Interactive Data Current Entity Interactive Data Current Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Multiples of enterprise value Measurement Input, Multiples of Enterprise Value [Member] Measurement input using multiples of enterprise value. 30-89 Days Past Due Financial Asset, 30 to 89 Days Past Due [Member] Financial Asset, 30 to 89 Days Past Due Commercial, non-real estate Commercial Non-Real Estate Portfolio Segment [Member] Portfolio segment of the company's total financing receivables related to commercial non-real estate. Cash paid for income taxes Income Taxes Paid Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Residential real estate multifamily Residential Real Estate Multifamily Portfolio Segment [Member] Residential Real Estate Multifamily Portfolio Segment Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Expense growth rate Measurement Input, Expense Growth Rate [Member] Measurement input using compounded annualized rate of growth in expense. Collateralized mortgage obligations Collateralized Mortgage Obligations [Member] Unfunded lending commitments Off-Balance-Sheet, Credit Loss, Liability [Roll Forward] Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Change in fair value of BFG Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Amortized Cost Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date [Abstract] Provision for income taxes Income tax expense Income Tax Expense (Benefit) Net increase in loans receivable Payments for (Proceeds from) Loans Receivable Supplemental disclosures of cash flow information: Supplemental Cash Flow Information [Abstract] Total non-interest income Noninterest Income Net income allocated to common shareholders Net Income (Loss) Available to Common Stockholders, Diluted Commissions Paid to BFG Commissions Paid to BFG [Member] Commissions Paid to BFG Weighted average recognition period Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Nonaccrual Loans with ACL Non-accrual loans with ACL Financing Receivable, Excluding Accrued Interest, Nonaccrual Statement of Comprehensive Income [Abstract] 2023, Writeoff Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff Interest expense Interest Expense, Operating and Nonoperating [Abstract] Schedule of Amortized Cost, Unrealized Gains and Losses, and Estimated Fair Values of Held-to-Maturity Securities Debt Securities, Held-to-Maturity [Table Text Block] Effective income tax rate Effective Income Tax Rate Reconciliation, Percent Nonrecurring assets: Fair Value Asset Measured On Nonrecurring Basis [Abstract] Fair Value Asset Measured On Nonrecurring Basis [Abstract] Weighted average prepayment rate Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Prepayment Speed Schedule of Outstanding Loan Balances Categorized by Credit Quality Indicators Financing Receivable Credit Quality Indicators [Table Text Block] Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Total deposits Deposits Total deposits Deposits, Fair Value Disclosure Number of additional shares authorized (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized Total liabilities and shareholders’ equity Liabilities and Equity Commercial real estate - owner occupied Owner occupied Commercial Real Estate Owner Occupied Portfolio Segment [Member] Commercial Real Estate Owner Occupied Portfolio Segment Subsequent Events Subsequent Events [Text Block] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] All Adjustments to Compensation All Adjustments to Compensation [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Due after one year 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 Number of securities in unrealized loss position Held-to-Maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions Commercial real estate Commercial Real Estate [Member] Additional ownership percentage Equity Method Investment, Ownership Percentage , Additions Equity Method Investment, Ownership Percentage , Additions Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Recovery Valuation Allowance for Impairment of Recognized Servicing Assets, Deductions for Recoveries Interest on securities Interest and Dividend Income, Securities, Operating Due in one year or less Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, Year One Business, Basis of Presentation, and Summary of Significant Accounting Policies Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Strategic Program loans Retained Strategic Program loans Strategic Program Loans Portfolio Segment [Member] Portfolio segment of the company's total financing receivables related to Strategic program loans. SBA servicing asset, fair value Servicing Asset at Amortized Cost, Fair Value Underlying Security Market Price Change Underlying Security Market Price Change, Percent Measurement Input Type [Axis] Measurement Input Type [Axis] Individual: Individual [Axis] Related Party Transaction [Axis] Related Party Transaction [Axis] Accumulated Other Comprehensive Income, Net of Tax AOCI Attributable to Parent [Member] Total Strategic Program loans Financing Receivable, Excluding Accrued Interest, After Allowance for Credit Loss, Including Held For Sale Financing Receivable, Excluding Accrued Interest, After Allowance for Credit Loss, Including Held For Sale Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] Class B Non-Voting Units Class B Non-Voting Units [Member] Classification of Class B non-voting units of common stock representing ownership interest in a corporation. Schedule of Strategic Program Loans Retained and Held-for-sale Strategic Program Loans Retained and Held-for-sale [Table Text Block] Tabular disclosure of strategic Program loans retained and held-for-sale. Entity Address, State or Province Entity Address, State or Province Beginning Balance Ending Balance Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest and Off-Balance-Sheet, Credit Loss, Liability Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest and Off-Balance-Sheet, Credit Loss, Liability Statement [Line Items] Statement [Line Items] Measurement Input Type [Domain] Measurement Input Type [Domain] Income tax expense related to unrealized holding gain OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] 2021 Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Earnings multiplier used for purchase price Investment Owned, Purchase Option, Earnings Multiplier Used for Purchase Price Earnings multiplier used to calculate purchase price of remaining members interests. Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Financial Instruments [Domain] Financial Instruments [Domain] Prior, Writeoff Financing Receivable, Excluding Accrued Interest, Originated, More Than Two Years before Current Fiscal Year, Writeoff Financing Receivable, Excluding Accrued Interest, Originated, More Than Two Years before Current Fiscal Year, Writeoff Amount Community Bank Leverage Ratio Framework Amount [Abstract] Community Bank Leverage Ratio Framework Amount [Abstract] LIABILITIES AND SHAREHOLDERS’ EQUITY Liabilities and Equity [Abstract] Strategic Program loans held-for-sale Loan, Held-for-Sale, Fair Value Disclosure Reconciliation of Investment in BFG Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] 12 Months or More, Unrealized Losses Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Minimum Minimum [Member] Restatement Determination Date Restatement Determination Date Estimated Fair Value Estimate of Fair Value Measurement [Member] Adoption Date Trading Arrangement Adoption Date Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Related Party Transactions [Abstract] Related Party Transactions [Abstract] Financing Receivable, Troubled Debt Restructuring [Line Items] Financing Receivable, Modified [Line Items] Loans Insured or Guaranteed by Government Authorities [Domain] Loans Insured or Guaranteed by Government Authorities [Domain] Operating lease right-of-use (“ROU”) assets Operating Lease, Right-of-Use Asset Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Residential real estate Residential Real Estate [Member] 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] Investment in equity securities Payments to Acquire Equity Method Investments Exercise Price Award Exercise Price Commercial leases Commercial Leases Portfolio Segment [Member] Commercial Leases Portfolio Segment Purchase of lease pools Purchase of Lease Pools Cash outflow for purchase of lease pools. Earnings per Share Earnings Per Share [Text Block] Arrangement Duration Trading Arrangement Duration Subsequent Event Subsequent Event [Member] Stock options exercised, net Stock Issued During Period, Value, Stock Options Exercised Shareholders’ equity Equity, Attributable to Parent [Abstract] Non-interest income Noninterest Income [Abstract] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Earnings Per Share, Diluted, by Common Class, Including Two-Class Method [Table] Earnings Per Share, Diluted, by Common Class, Including Two-Class Method [Table] Well-Capitalized Requirement Banking Regulation, Tier 1 Leverage Capital, Well Capitalized, Minimum Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Interest income Interest and Dividend Income, Operating [Abstract] All Individuals All Individuals [Member] Prior, Writeoff Financing Receivable, Excluding Accrued Interest, Originated, More than Three Years before Current Fiscal Year, Writeoff Financing Receivable, Excluding Accrued Interest, Originated, More than Three Years before Current Fiscal Year, Writeoff Change in fair value on investment in BFG Fair Value, Option, Changes in Fair Value, Gain (Loss) PEO PEO [Member] Unrealized Loss Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] Name Trading Arrangement, Individual Name Schedule of Fair Value and Unrealized Losses of Securities in Unrealized Loss Position Schedule of Unrealized Loss on Investments [Table Text Block] Interest on deposits Interest Expense, Deposits Loans held for investment, net of allowance for credit losses of $12.7 million and $12.9 million, respectively Loans held for investment, net Retained Strategic Program loans Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Other operating expenses Other Noninterest Expense Unrealized holding gain Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Accrued interest payable Interest Payable Interest and fees on loans Interest and Fee Income, Loans and Leases Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Lender Name [Axis] Lender Name [Axis] Financial assets: Assets, Fair Value Disclosure [Abstract] 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] Discount to appraisal value for estimated selling costs Measurement Input, Appraised Value [Member] Related and Nonrelated Parties [Domain] Related and Nonrelated Parties [Domain] Beginning balance (in shares) Ending balance (in shares) Shares, Outstanding Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Due after five years 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 Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Financing Receivable, Troubled Debt Restructuring [Table] Financing Receivable, Modified [Table] Local Phone Number Local Phone Number Common stock repurchase program, shares authorized to be purchased (in shares) Share Repurchase Program, Authorized, Number of Shares Nonaccrual Loans with no ACL Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value [Abstract] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Allowance for credit losses related to HTM securities Allowance for Credit Losses Debt Securities, Held-to-Maturity, Allowance for Credit Loss Deferred income taxes, net Deferred Income Tax Liabilities, Net Schedule of Equity Method Investments [Table] Equity Method Investment [Table] Change in fair value of BFG Unrealized Gain (Loss) on Investments Originations of Strategic Program loans held-for-sale Payment for Origination and Purchase, Loan, Held-for-Sale Provision for (Reversal of) Credit Losses Financing Receivable, Excluding Accrued Interest, Credit Loss Expense (Reversal) Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Other assets Increase (Decrease) in Other Operating Assets Net changes in: Increase (Decrease) in Operating Capital [Abstract] Cumulative Effect, Period of Adoption [Domain] Cumulative Effect, Period of Adoption [Domain] Schedule of Financial Instruments with Off-Balance Sheet Risk Schedule of Fair Value, off-Balance-Sheet Risks [Table Text Block] Debt securities, available-for-sale, allowance for credit loss Debt Securities, Available-for-Sale, Allowance for Credit Loss PEO Total Compensation Amount PEO Total Compensation Amount Securities available-for-sale OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax [Abstract] Occupancy and equipment expenses Occupancy, Net Entity Ex Transition Period Entity Ex Transition Period Fair value of warrants issued per share (in dollars per share) Warrants Issued During Period, Fair Value, Per Share Fair value of warrants issued per share. Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Distributions From BFG Distributions From BFG [Member] Distributions From BFG Common Stock Common Stock [Member] Measure: Measure [Axis] Federal Reserve Bank, Discount Window Federal Reserve Bank, Discount Window [Member] Federal Reserve Bank, Discount Window Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount BFG ownership purchase (in shares) Stock Issued During Period, Shares, New Issues Line of Credit Line of Credit [Member] Entity Emerging Growth Company Entity Emerging Growth Company Entity Central Index Key Entity Central Index Key Due in one year or less Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Equity Method Investments and Joint Ventures [Abstract] Equity Method Investments and Joint Ventures [Abstract] Loans and Leases Receivable Disclosure [Table] Loans and Leases Receivable Disclosure [Table] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Beginning Balance Ending Balance Allowance for credit losses on unfunded commitments Off-Balance-Sheet, Credit Loss, Liability Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Equity Component [Domain] Equity Component [Domain] Preferred stock, par or stated value per share (in dollars per share) Preferred Stock, Par or Stated Value Per Share Financial Instrument [Axis] Financial Instrument [Axis] Accounting Standards Update [Extensible Enumeration] Accounting Standards Update [Extensible Enumeration] Net interest income after provision for credit losses Interest Income (Expense), after Provision for Loan Loss Total interest income Interest and Dividend Income, Operating Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Stock-based compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Restricted Stock Restricted shares Restricted Stock [Member] Professional services Professional Fees Entity Shell Company Entity Shell Company Measurement Basis [Axis] Measurement Basis [Axis] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Loans held for investment, net Loans Receivable, Fair Value Disclosure Valuation Allowance for Impairment of Recognized Servicing Assets [Roll Forward] Valuation Allowance for Impairment of Recognized Servicing Assets [Roll Forward] Comprehensive Income (Loss) Comprehensive Income, Policy [Policy Text Block] Proceeds from maturities and paydowns of securities held-to-maturity Proceeds from Maturities, Prepayments and Calls of Held-to-Maturity Securities Title Trading Arrangement, Individual Title Deposits Related Party Deposit Liabilities Statement [Table] Statement [Table] Number of loans placed into nonaccrual status Financing Receivable, Number of Loans Placed into Nonaccrual Status Financing Receivable, Number of Loans Placed into Nonaccrual Status Income taxes payable, net Taxes Payable Measurement Frequency [Domain] Measurement Frequency [Domain] Real Estate Real Estate [Member] 2024, Writeoff Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff City Area Code City Area Code Gain on sale of loans, net Gain (Loss) on Sale of Loans and Leases Financing Receivable, Past Due [Line Items] Financing Receivable, Past Due [Line Items] Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activities Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Level 1 Fair Value, Inputs, Level 1 [Member] 2023 Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year Total, Unrealized Losses Debt Securities, Held-to-Maturity, Unrealized Loss Position, Accumulated Loss Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Amortized Cost Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, after Allowance for Credit Loss Charge-Offs Writeoff Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff Common stock repurchased Payments for Repurchase of Common Stock Schedule of Quantitative Information for Level 3 Fair Value Measurements Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Income Taxes Income Tax Disclosure [Text Block] Common stock repurchased and retired Common stock repurchased and retired Stock Repurchased and Retired During Period, Value Earnings Per Share [Abstract] Earnings Per Share [Abstract] Estimated Fair Value Debt Securities, Available-for-Sale, Fair Value, Fiscal Year Maturity [Abstract] Retained earnings Retained Earnings (Accumulated Deficit) Due after ten years Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year 10 Schedule of Capital Amounts and Ratios Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block] Common stock repurchased and retired (in shares) Common stock repurchased and retired (in shares) Stock Repurchased and Retired During Period, Shares Class of Stock [Domain] Class of Stock [Domain] Discounted Cash Flows Valuation Technique, Discounted Cash Flow [Member] Recoveries Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest and Off-Balance-Sheet, Credit Loss, Liability, Recovery Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest and Off-Balance-Sheet, Credit Loss, Liability, Recovery Repayment of PPP Liquidity Facility Repayments of Long-Term Lines of Credit Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Equity Awards Adjustments Equity Awards Adjustments [Member] Loans and Leases Receivable Disclosure [Line Items] Loans and Leases Receivable Disclosure [Line Items] Operating lease liabilities Operating Lease, Liability Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Underlying Securities Award Underlying Securities Amount Investments Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Credit Facility [Axis] Credit Facility [Axis] Revenue growth rate Measurement Input, Long-Term Revenue Growth Rate [Member] Amendment Flag Amendment Flag Carrying Amount Reported Value Measurement [Member] Entity Registrant Name Entity Registrant Name Amortization of servicing asset Servicing Asset at Amortized Cost, Amortization Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Warrants (in shares) Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants Fair Value as of Grant Date Award Grant Date Fair Value Subsequent Events [Abstract] Subsequent Events [Abstract] Net increase in deposits Increase (Decrease) in Deposits Recoveries Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Recovery Other interest income Other Interest and Dividend Income Substandard Substandard [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Due in one year or less Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Collateral Held [Axis] Collateral Held [Axis] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] BFG ownership purchase Stock Issued During Period, Value, New Issues Weighted average discount rate Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Discount Rate Entity Address, Postal Zip Code Entity Address, Postal Zip Code Schedule of Pre-Tax and After-Tax Stock-Based Compensation Expense Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Supplemental disclosures of cash flow information: Cash Paid During the Period [Abstract] Cash Paid During the Period [Abstract] Zions Bank Zion Bank [Member] Line of credit through Zion Bank. Restatement Determination Date: Restatement Determination Date [Axis] Title of 12(b) Security Title of 12(b) Security Common stock, $0.001 par value, 40,000,000 shares authorized; 13,211,160 and 12,493,565 shares issued and outstanding as of September 30, 2024 and December 31, 2023, respectively Common Stock, Value, Issued Commercial real estate - non-owner occupied Non owner occupied Commercial Real Estate Non Owner Occupied Portfolio Segment [Member] Commercial Real Estate Non Owner Occupied Portfolio Segment Total Financial Asset, Past Due [Member] Measurement Input, Discount to Non-Voting Shares Measurement Input, Discount to Non-Voting Shares [Member] Measurement Input, Discount to Non-Voting Shares Share-Based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Individually evaluated loans Financing Receivable, Individually Evaluated for Credit Loss Total cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Capital Requirements [Abstract] Capital Requirements [Abstract] Capital Requirements [Abstract] Actual Banking Regulation, Tier 1 Leverage Capital Ratio, Actual Interest-bearing deposits in other banks Interest-Bearing Deposits in Banks and Other Financial Institutions Number of contracts modified Financing Receivable, Modifications, Number of Contracts Other unused commitments Other Unused Commitments [Member] Financial instruments with off-balance-sheet risk. Due after ten years Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 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] Impairment Valuation Allowance for Impairment of Recognized Servicing Assets, Additions for Expenses Unrealized gain on investment securities available-for-sale Debt Securities, Available-for-Sale, Unrealized Gain Provision for credit losses Financing Receivable, Credit Loss, Expense (Reversal) Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] 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] Preferred stock, $0.001 par value, 4,000,000 authorized; no shares issued and outstanding as of September 30, 2024 and December 31, 2023 Preferred Stock, Value, Issued Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Fair Value Measurement [Domain] Fair Value Measurement [Domain] Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Earnings per share, basic (in dollars per share) Earnings Per Share, Basic Deposits Deposits, Interest-Bearing and Noninterest-Bearing, Alternative [Abstract] Loans held for investment Total loans held for investment, gross Financing Receivable, Individually Evaluated, without Allowance for Credit Loss Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Expiration period Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period SBA loan servicing fees, net Small Business Administration, Loan Servicing Fees and Servicing Asset Amortization The non-interest income earned from small business administration loan servicing fee and amortization of the servicing asset Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Net income allocated to common shareholders Net Income (Loss) Available to Common Stockholders, Basic Market comparable Guideline Public Company Valuation, Market Approach [Member] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] 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] Denominator: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Total assets Assets Paycheck Protection Program Liquidity Facility PPPLF Long-Term Line of Credit Schedule of Assets Measured at Fair Value on a Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Purchase of bank premises and equipment, net Payments to Acquire Property, Plant, and Equipment Total of loan modifications Financing Receivable, Modified in Period, Amount Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Cumulative Effect, Period of Adoption [Axis] Cumulative Effect, Period of Adoption [Axis] Estimated Fair Value Estimated fair value Investment securities held-to-maturity Debt Securities, Held-to-Maturity, Fair Value Commitments and contingencies (Note 6) Commitments and Contingencies Investment in Business Funding Group, LLC Equity Method Investments and Joint Ventures Disclosure [Text Block] Financing Receivable, Allowance for Credit Loss [Line Items] Financing Receivable, Allowance for Credit Loss [Line Items] Termination Date Trading Arrangement Termination Date Warrant exercise price (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights 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] Mortgage-backed securities Collateralized Mortgage-Backed Securities [Member] Stock-Based Compensation Share-Based Payment Arrangement [Text Block] Deferred loan fees, net Financing Receivable, Unamortized Loan Cost (Fee) and Purchase Premium (Discount) Other liabilities Other Liabilities Entity Address, City or Town Entity Address, City or Town Due after one year through five years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Commercial and industrial Commercial and Industrial Portfolio Segment [Member] Commercial and Industrial Portfolio Segment Allowance for Credit Losses Allowance for credit losses Beginning Balance Ending Balance Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest Stock-based compensation expense Share-Based Payment Arrangement, Expense Net income Net income Net Income (Loss) Attributable to Parent Trading Arrangement: Trading Arrangement [Axis] Schedule of Estimated Fair Value and Carrying Value of Financial Instrument Fair Value, by Balance Sheet Grouping [Table Text Block] Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] 2022 Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Weighted average term (in years) Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Weighted Average Life SBA Loans Insured or Guaranteed by US Government Authorities [Member] Unrealized Gain Debt Securities, Held-to-Maturity, Accumulated Unrecognized Gain Total allowance for credit losses on financing receivables Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] 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] Current Loans Financial Asset, Not Past Due [Member] Noninterest-bearing Noninterest-Bearing Deposit Liabilities Entity File Number Entity File Number Financial liabilities: Liabilities, Fair Value Disclosure [Abstract] Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Table] Document Fiscal Year Focus Document Fiscal Year Focus Income Statement [Abstract] Income Statement [Abstract] Entity Address, Address Line One Entity Address, Address Line One Servicing Asset at Fair Value, Amount [Roll Forward] Servicing Asset at Fair Value, Amount [Roll Forward] Name Forgone Recovery, Individual Name Document Period End Date Document Period End Date Sale of Stock [Axis] Sale of Stock [Axis] Deferred income taxes Increase (Decrease) in Deferred Income Taxes Securities Available for Sale, at Fair Value Investment, Policy [Policy Text Block] Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Construction and land development Construction and land development Construction and Land Development Portfolio Segment [Member] Construction and Land Development Portfolio Segment 2016 Plan Stock Option 2016 Plan [Member] A share-based compensation plan approved by the Board of Directors and the Shareholders in 2016. Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] Insider Trading Arrangements [Line Items] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Special Mention Special Mention [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Well-Capitalized Requirement Banking Regulation, Tier 1 Leverage Capital Ratio, Well Capitalized, Minimum Actual Banking Regulation, Tier 1 Leverage Capital, Actual Financial instruments with off-balance-sheet risk Fair Value Disclosure, off-Balance-Sheet Risks, Amount, Liability PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, Fiscal Year Maturity [Abstract] Adjustment to Compensation: Adjustment to Compensation [Axis] SBA Small Business Administration Portfolio Segment [Member] Portfolio segment of the company's total financing receivables related to Small Business Administration. Reclassification Reclassification, Comparability Adjustment [Policy Text Block] Document Transition Report Document Transition Report Document Quarterly Report Document Quarterly Report Strategic Program fees Strategic Program Fees Including Service Charges The non-interest income earned from strategic program fees including service charges. Consumer Consumer Portfolio Segment [Member] Due after one year through five years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five Total interest expense Interest Expense, Operating Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Schedule of Loans Modified and Recorded as TDR's Financing Receivable, Modified [Table Text Block] Accumulated other comprehensive income, net of tax Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Current Reporting Status Entity Current Reporting Status Purchase of BFG ownership interest Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Retained Earnings Retained Earnings [Member] Amounts outstanding under the FHLB line of credit Advance from Federal Home Loan Bank Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Ratio Community Bank Leverage Ratio Framework Ratio [Abstract] Community Bank Leverage Ratio Framework Ratio [Abstract] Proceeds from sale of Strategic Program loans held-for-sale Proceeds from Collection, Loan, Held-for-Sale Related and Nonrelated Parties [Axis] Related and Nonrelated Parties [Axis] Weighted average shares outstanding, basic (in shares) Weighted Average Number of Shares Outstanding, Basic Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] 90 Days and Greater Financial Asset, Equal to or Greater than 90 Days Past Due [Member] Federal Reserve Bank, Term Funding Program Federal Reserve Bank, Term Funding Program [Member] Federal Reserve Bank, Term Funding Program Change in valuation allowance Servicing Asset at Amortized Cost, Increase (Decrease) for Valuation Allowance Adjustment Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Total non-interest expense Noninterest Expense Executive Category: Executive Category [Axis] Name Awards Close in Time to MNPI Disclosures, Individual Name Loans and Leases Receivable Disclosure [Abstract] Loans and Leases Receivable Disclosure [Abstract] Entity Filer Category Entity Filer Category Provision for (Reversal of) Credit Losses Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal) Purchase of investment securities available-for-sale Payments to Acquire Debt Securities, Available-for-Sale Company Selected Measure Name Company Selected Measure Name Private Placement Private Placement [Member] Accounting Standards Update 2016-13 [Member]