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Value Year four Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Real estate related loans Real Estate Related Loans Percentage Real Estate Related Loans Percentage Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Interest rate Subordinated Borrowing, Interest Rate Summary of Fair Value Estimates for Financial Instruments by Balance Sheet Grouping Fair Value, by Balance Sheet Grouping [Table Text Block] Financing Receivable, Past Due [Line Items] Financing Receivable, Past Due [Line Items] Corporate bonds Corporate Debt Securities [Member] Diluted earnings per common share (in USD per share) Diluted EPS (in USD per share) Earnings Per Share, Diluted 2029 Time Deposit Maturities, Year Three Entity Current Reporting Status Entity Current Reporting Status Net cash provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Internal Credit Assessment [Axis] Internal Credit Assessment [Axis] Federal Deposit Insurance Corporation (“FDIC”) insurance Federal Deposit Insurance Corporation Premium Expense Total Shareholder Return Amount Total Shareholder Return Amount Error Corrections and Prior Period Adjustments Restatement [Line Items] Error Corrections and Prior Period Adjustments Restatement [Line Items] Provision (Benefit) Provision (benefit) Financing Receivable, Credit Loss, Expense (Reversal) Unrealized (loss) gain on securities Unrealized Gain (Loss) on Investments Prior Financing Receivable, Originated, More than Five Years before Current Fiscal Year Reduced loan payment by borrower due to financial difficulty, period Financing Receivable, Modified In Period, Reduced Loan Payment By Borrower, Period Financing Receivable, Modified In Period, Reduced Loan Payment By Borrower, Period Time deposits in banks Time Deposit at Fair Value Disclosure Time Deposit at Fair Value Disclosure Adjustments to reconcile net income to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Premises and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Available borrowing capacity with the FHLB Line of Credit Facility, Remaining Borrowing Capacity Unsecured Commercial, Unsecured Unsecured Commercial Loans [Member] Unsecured Commercial Loans Summary of Pledged Investment Securities Schedule of Financial Instruments Owned and Pledged as Collateral [Table Text Block] ROUA acquired Noncash Transaction To Acquire Operating Lease Right Of Use Asset Noncash Transaction To Acquire Operating Lease Right Of Use Asset US State and Local Income Tax Paid, State and Local, after Refund Received Financial Instruments [Domain] Financial Instruments [Domain] Deposits over five million, amount Deposits, $5 Million Or More, Amount Deposits, $5 Million Or More, Amount Allowance for credit losses Beginning Balance Ending Balance Allowance for credit loss Financing Receivable, Allowance for Credit Loss Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Underlying Securities Award Underlying Securities Amount Mortgage-backed securities Mortgage-backed securities Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member] Fair Value Estimate of Fair Value Measurement [Member] Common stock issued, net of stock issuance costs Stock Issued During Period, Value, New Issues Interest payable and other liabilities Increase (Decrease) in Interest Payable, Net Other Other Commitments [Member] Other Commitments [Member] Purchase of transferable tax credits Payments For Transferable Tax Credits Payments For Transferable Tax Credits Summary of Nonvested Restricted Stock Shares Nonvested Restricted Stock Shares Activity [Table Text Block] Provision for credit losses Provision for credit losses Provision for Loan, Lease, and Other Losses Title of Individual [Axis] Title and Position [Axis] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Less than 12 months, fair value Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Current Fiscal Year End Date Current Fiscal Year End Date 2026 Time Deposit Maturities, Remainder of Fiscal Year Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount 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] Common stock dividend declared (in USD per share) Common Stock, Dividends, Per Share, Declared Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Federal Reserve Bank of San Francisco Federal Reserve Bank Of San Francisco [Member] Federal Reserve Bank Of San Francisco Summary of Investment Debt Securities by Contractual Maturity Investments Classified by Contractual Maturity Date [Table Text Block] Time accounts, $250 or more Time, $250 or more Time, $250 or more Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Common stock, shares issued (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Revolving Converted to Term Financing Receivable, Revolving, Converted to Term Loan, Writeoff Earnings on equity investments Earnings on equity investments Income (Loss) from Equity Method Investments, Net of Dividends or Distributions Nontaxable securities Interest Income, Securities, Operating, Tax Exempt Allowance for credit losses, available for sale Debt Securities, Available-for-Sale, Allowance for Credit Loss Number of correspondent banks Number Of Correspondent Banks Number Of Correspondent Banks Uninsured amount Cash, Uninsured Amount Revolving Converted to Term Financing Receivable, Revolving, Converted to Term Loan 12 months or more, unrealized loss Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Equity Components [Axis] Equity Components [Axis] Product and Service [Domain] Product and Service [Domain] Total Income Tax Paid, after Refund Received California CALIFORNIA CDARS C D A R S [Member] C D A R S [Member] Undisbursed agricultural real estate loans Undisbursed Agricultural Real Estate Loans [Member] Undisbursed Agricultural Real Estate Loans [Member] Entity Interactive Data Current Entity Interactive Data Current Non-interest expense: Noninterest Expense [Abstract] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] After one but within five years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five Fair Value Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value [Abstract] Entity Small Business Entity Small Business Total comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Termination Date Trading Arrangement Termination Date Other Commitments [Axis] Other Commitments [Axis] Subsequent Events [Abstract] Subsequent Events [Abstract] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Financial assets: Financial Assets, Recorded At Amortized Cost [Abstract] Financial Assets, Recorded At Amortized Cost Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Net interest income Interest Income (Expense), Operating MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Watch Watch [Member] Watch [Member] Document Type Document Type After ten years Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 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] Revolving Loans Financing Receivable, Revolving, Writeoff Fair Value as of Grant Date Award Grant Date Fair Value Summary of Unrealized Losses and Fair Value of Available-for-Sale Securities Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Arrangement Duration Trading Arrangement Duration Subsequent Event [Line Items] Subsequent Event [Line Items] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Net deferred loan fees Financing Receivable, Unamortized Loan Cost (Fee) and Purchase Premium (Discount) Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Less than 12 months, unrealized loss Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Income before provision for income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Commitments and contingencies (Note 8) Commitments and Contingencies Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Money market accounts Interest Expense Domestic Deposit Liabilities, Money Market Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Loan Restructuring Modification [Axis] Loan Restructuring Modification [Axis] Time accounts, $250 or more Interest Expense Domestic Deposit Liabilities Time Deposit 250000 Or More Interest Expense Domestic Deposit Liabilities Time Deposit 250000 Or More Share-based compensation, payment award, vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period LIABILITIES AND SHAREHOLDERS’ EQUITY Liabilities and Equity [Abstract] Other Commitments [Table] Other Commitments [Table] Deferred loan payment by borrower due to financial difficulty, period Financing Receivable, Modified In Period, Deferred Loan Payment By Borrower, Period Financing Receivable, Modified In Period, Deferred Loan Payment By Borrower, Period Award Type [Domain] Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Fair Value of Assets and Liabilities Fair Value Disclosures [Text Block] Gain on sale of loans Gain (Loss) on Sales of Loans, Net Amortized Cost Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date [Abstract] Significant Unobservable Inputs (Level 3) Fair Value, Inputs, Level 3 [Member] U.S. government agency securities US Government Agencies Debt Securities [Member] Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Gain on sale of loans Gain (Loss) on Sale of Loans and Leases PEO Name PEO Name Share-Based Compensation, Performance Percentile Position [Domain] Share-Based Compensation, Performance Percentile Position [Domain] Share-Based Compensation, Performance Percentile Position [Domain] Year two Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff Geographical [Axis] Geographical [Axis] Time deposits minimum Interest Expense Domestic Deposit Liabilities Time Deposit 250000, Minimum Interest Expense Domestic Deposit Liabilities Time Deposit 250000, Minimum Interest-bearing domestic deposit, time deposits Total time deposits Interest-Bearing Domestic Deposit, Time Deposits Interest-bearing transaction accounts Interest-Bearing Domestic Deposit, Checking Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] 30-59 Days Financial Asset, 30 to 59 Days Past Due [Member] Entity Tax Identification Number Entity Tax Identification Number Cash and due from financial institutions Cash and Due from Banks Summary of Age Analysis of Past Due Loans Financing Receivable, Past Due [Table Text Block] Current Financial Asset, Not Past Due [Member] Other Commitments [Line Items] Other Commitments [Line Items] Loan-related expenses Loan-Related Expenses Loan-Related Expenses Non-interest income: Noninterest Income [Abstract] Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Federal Reserve Bank Branch [Axis] Federal Reserve Bank Branch [Axis] Federal Reserve Bank Branch Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Earnings on bank-owned life insurance (“BOLI”) Earnings on BOLI Bank Owned Life Insurance Income Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Summary of Disclosure of Activity in the Allowance for Loan Losses Schedule Of Activity In The Allowance For Loan Losses [Table Text Block] Schedule Of Activity In The Allowance For Loan Losses Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] 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] Financing Receivable, Allowance for Credit Loss [Roll Forward] Financing Receivable, Allowance for Credit Loss [Roll Forward] Basis of Presentation and Summary of Significant Accounting Policies Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Employee Share-Based Payment Arrangement, Employee [Member] Debt Instrument [Axis] Debt Instrument [Axis] Measurement Frequency [Domain] Measurement Frequency [Domain] Subsequent Event [Table] Subsequent Event [Table] Savings accounts Interest-Bearing Domestic Deposit, Savings Stock compensation expense Share-Based Payment Arrangement, Noncash Expense Interest expense: Interest Expense, Operating and Nonoperating [Abstract] Salaries and employee benefits Labor and Related Expense Stock issuance costs Stock Issuance Costs Stock Issuance Costs Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] After five years through ten years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Basic earnings per common share (in USD per share) Basic EPS (in USD per share) Earnings Per Share, Basic Savings accounts Interest Expense Domestic Deposit Liabilities, Savings Performance-Based Restricted Stock Units (PSUs) Performance-Based Restricted Stock Units (PSUs) [Member] Performance-Based Restricted Stock Units (PSUs) Deposits over five million, total Deposits, $5 Million Or More, Per Deposit Deposits, $5 Million Or More, Per Deposit Statistical Measurement [Axis] Statistical Measurement [Axis] Other time accounts Interest Expense Domestic Deposit Liabilities, Other Time Deposit Insider Trading Arrangements [Line Items] Award Type [Axis] Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Undisbursed residential real estate loans Undisbursed Residential Real Estate Loans [Member] Undisbursed Residential Real Estate Loans Prior Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff Retained earnings Retained Earnings (Accumulated Deficit) Consumer and other Consumer Portfolio Segment [Member] Bank-owned life insurance, net Bank Owned Life Insurance Product and Service [Axis] Product and Service [Axis] 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] Foregone interest income related to non-accrual loans Financing Receivable, Nonaccrual, Interest Income, Foregone Financing Receivable, Nonaccrual, Interest Income, Foregone Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock [Member] Weighted average remaining term on the unvested restricted shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Unvested, Weighted Average Remaining Contractual Terms Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Unvested, Weighted Average Remaining Contractual Terms Securities available-for-sale, at fair value, net of allowance for credit losses of $0 at September 30, 2026 and December 31, 2025 (amortized cost of $98,975 and $107,197 at September 30, 2026 and December 31, 2025, respectively) U.S. government agency securities, mortgage-backed securities, obligations of states and political subdivisions, collateralized mortgage obligations, and corporate bonds Securities available-for-sale Securities available-for-sale, fair value Debt Securities, Available-for-Sale Fair Value Measurement [Domain] Fair Value Measurement [Domain] Summary of Interest- Bearing Deposits Schedule of Interest-bearing deposits. [Table Text Block] Schedule of Interest-bearing deposits. Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] Equity Awards Adjustments Equity Awards Adjustments [Member] Total Past Due Financial Asset, Past Due [Member] Federal Reserve Bank Branch [Domain] Federal Reserve Bank Branch [Domain] Federal Reserve Bank Branch [Domain] Total liabilities and shareholders’ equity Liabilities and Equity Commercial construction Real estate, Commercial construction Real Estate Commercial Construction Loans [Member] Real Estate Commercial Construction Loans [Member] Employee Stock Option Share-Based Payment Arrangement, Option [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Pass Pass [Member] Plan Name [Axis] Plan Name [Axis] 70th Percentile 70th Percentile [Member] 70th Percentile Summary of Accounts, Notes, Loans and Financing Receivable Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Income Tax Jurisdiction [Domain] Income Tax Jurisdiction [Domain] Tabular List, Table Tabular List [Table Text Block] Share-Based Compensation, Performance Percentile Position [Axis] Share-Based Compensation, Performance Percentile Position [Axis] Share-Based Compensation, Performance Percentile Position Name Awards Close in Time to MNPI Disclosures, Individual Name 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 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] Shares forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Farmland Real estate, Farmland Real Estate Farmland [Member] Real Estate Farmland [Member] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Preferred stock, no par value; 10,000,000 shares authorized; zero issued and outstanding at September 30, 2026 and December 31, 2025 Preferred Stock, Value, Issued Adjustment to Compensation: Adjustment to Compensation [Axis] Bank common stock exchanged for company common stock (in shares) Common Stock, Convertible, Shares Issuable Common Stock, Convertible, Shares Issuable Federal reserve discount, pledged loans Federal Reserve Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged Federal Reserve Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activity Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Total commitments and standby letters of credit Other Commitment 60-89 Days Financial Asset, 60 to 89 Days Past Due [Member] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Income Tax Jurisdiction [Axis] Income Tax Jurisdiction [Axis] Name Measure Name Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Investment securities in a loss position for less than twelve months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Commercial land and development Real estate, Commercial land and development Real Estate Commercial Land And Development [Member] Real Estate Commercial Land and Development [Member] Loans, including fees Interest and Fee Income, Financing Receivable Entity Filer Category Entity Filer Category The Federal Reserve Discount Window, increasing borrowing capacity Federal Funds Purchased [Member] ICS I C S [Member] I C S [Member] Largest single deposit Largest Single Deposit Largest Single Deposit Revision of Prior Period [Axis] Revision of Prior Period [Axis] Name Trading Arrangement, Individual Name Advertising and promotional Advertising Expense Executives and Directors Share-Based Payment Arrangement, Executives And Directors [Member] Share-Based Payment Arrangement, Executives And Directors Subordinated notes Interest Expense, Subordinated Notes and Debentures Company Selected Measure Amount Company Selected Measure Amount Financial Asset, Aging [Axis] Financial Asset, Aging [Axis] Year three Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Deposits: Deposits [Abstract] Entity Address, Address Line Two Entity Address, Address Line Two Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Operating lease liabilities exchanged for ROUA Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Shares vested (in USD 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 Amount outstanding Line of Credit Facility, Fair Value of Amount Outstanding Fair Value Debt Securities, Held-to-Maturity, Maturity, Allocated and Single Maturity Date, Fair Value [Abstract] Provision for income taxes Income Tax Expense (Benefit) Total non-interest expense Noninterest Expense Award Timing Method Award Timing Method [Text Block] Organization Consolidation, Policy [Policy Text Block] Net change in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Transfer from loans held for sale to loans held for investment Transfer From Loans Held For Sale To Loans Held For Investment Transfer From Loans Held For Sale To Loans Held For Investment Target award grant, percentage Share-Based Compensation Arrangement By Share-Based Payment Award, Target Award Grant, Percentage Share-Based Compensation Arrangement By Share-Based Payment Award, Target Award Grant, Percentage Investments securities, not due at a single maturity date, fair value Debt Securities, Held-to-Maturity, Maturity, without Single Maturity Date, Fair Value Net income Net income Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Loan Restructuring Modification [Domain] Loan Restructuring Modification [Domain] Statement [Table] Statement [Table] Year two Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year Financing Receivable, Past Due [Table] Financing Receivable, Past Due [Table] Restatement Determination Date: Restatement Determination Date [Axis] Summary of Non-accrual Loans Financing Receivable, Nonaccrual [Table Text Block] Capital call for low income housing tax credits Proceeds From (Payments for) Low Income Housing Credits Proceeds From (Payments for) Low Income Housing Credits Recoveries Financing Receivable, Allowance for Credit Loss, Recovery Interest-bearing Deposits Interest-bearing Deposits [Abstract] Interest-bearing Deposits Unvested restricted shares (in shares) Unvested Restricted Shares Unvested Restricted Shares Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Cash and cash equivalents Cash And Cash Equivalents, Less Time Deposits, At Carrying Value Cash And Cash Equivalents, Less Time Deposits, At Carrying Value Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] After ten years Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year 10