Revolving Lines Financing Receivable, Excluding Accrued Interest, Revolving 2020 Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year Nonaccrual with No ACL Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance Consolidated Entities [Axis] Consolidated Entities [Axis] Repayments of other borrowed funds Repayments of Other Debt Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Cash paid during the year for: Cash Paid During The Year [Abstract] Cash Paid During The Year [Abstract] Pay vs Performance Disclosure [Line Items] Current period, gross charge-offs, Revolving Lines Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff Sales Securities sold Proceeds from Sale of Debt Securities, Available-for-Sale Financing Receivable, Allowance for Credit Loss [Roll Forward] Financing Receivable, Allowance for Credit Loss [Roll Forward] Statistical Measurement [Domain] Statistical Measurement [Domain] Regulatory Capital Requirements Under Banking Regulations [Abstract] Regulatory Capital Requirements Under Banking Regulations [Abstract] Regulatory Capital Requirements Under Banking Regulations [Abstract] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Regulatory Requirements, Minimum Plus CCB, Amount Banking Regulation, Common Equity Tier 1 Risk-Based Capital, Well Capitalized, Minimum Troubled debt restructure Troubled Debt Restructure [Member] Troubled Debt Restructure Award Type [Domain] Award Type [Domain] Noninterest-bearing deposits Noninterest-bearing demand deposits Noninterest-Bearing Deposit Liabilities Fair Value as of Grant Date Award Grant Date Fair Value Fair value of foreclosed assets Foreclosed Assets, Fair Value Disclosure, Foreclosed during Period Foreclosed Assets, Fair Value Disclosure, Foreclosed during Period Regulatory Requirements, Minimum Plus CCB, Amount Banking Regulation, Tier 1 Leverage Capital, Well Capitalized, Minimum Other Borrowed Funds Debt Disclosure [Text Block] Within one year Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, Year One Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Current period, gross charge-offs, 2023 Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Data processing expense Information Technology and Data Processing Securities HTM: Debt Securities, Held-to-Maturity, Maturity [Abstract] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] 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] Restatement Determination Date: Restatement Determination Date [Axis] Foreclosed assets Foreclosed Assets, Fair Value Disclosure Foreclosed Assets, Fair Value Disclosure COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Class of Financing Receivable [Domain] Class of Financing Receivable [Domain] Insider Trading Policies and Procedures [Line Items] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Carrying value of foreclosed assets prior to remeasurement Foreclosed Assets, at Carrying Value, Foreclosed during Period Foreclosed Assets, at Carrying Value, Foreclosed during Period Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Summary of deposits Deposit Liabilities, Type [Table Text Block] Equity Equity [Text Block] Current Financial Asset, Not Past Due [Member] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Loan and deposit expenses Loan And Deposit Expense Loan And Deposit Expense Interest on securities Interest Income, Debt Securities, Operating Bank-owned life insurance income Bank Owned Life Insurance Income Issuance of restricted shares of common stock through stock incentive plan, net (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Regulatory Requirements, Minimum, Amount Banking Regulation, Total Risk-Based Capital, Capital Adequacy, Minimum Net Interest Income After Provision for Credit Losses Interest Income (Expense), after Financing Receivable, Credit Loss, Expense (Reversal) Interest Income (Expense), after Financing Receivable, Credit Loss, Expense (Reversal) Securities AFS: Debt Securities, Available-for-Sale, Amortized Cost [Abstract] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, no par value: Authorized - 1,000,000 shares; None Issued and Outstanding Preferred Stock, Value, Issued Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Cash dividends Payments of Ordinary Dividends, Common Stock Proceeds Proceeds From Sale Of Debt Securities Proceeds From Sale Of Debt Securities Diluted (in dollars per share) Earnings Per Share, Diluted PEO Total Compensation Amount PEO Total Compensation Amount Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Accounting Standards Update [Extensible Enumeration] Accounting Standards Update [Extensible Enumeration] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Level 3 Fair Value, Inputs, Level 3 [Member] Line of Credit Line of Credit [Member] Net (increase) decrease in accrued interest receivable Increase (Decrease) in Accrued Interest Receivable, Net Impaired loans (percent) Impaired Loans, Measurement Input Impaired Loans, Measurement Input After five years but within ten years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Trading Symbol Trading Symbol U.S. agency securities US Government Agencies Debt Securities [Member] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Schedule of allowance for credit losses Financing Receivable, Allowance for Credit Loss [Table Text Block] Net Income Net income Cumulative effect of change in accounting principal Net Income (Loss) Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] 90 Days or More 90 Days or More Past Due Financial Asset, Equal to or Greater than 90 Days Past Due [Member] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] NOW accounts Deposits, Negotiable Order of Withdrawal (NOW) Company Selected Measure Name Company Selected Measure Name After one year but within five years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five Accounting Standards Update and Change in Accounting Principle [Table] Accounting Standards Update and Change in Accounting Principle [Table] Net (accretion) amortization on securities HTM Amortization (Accretion) On Held To Maturity Securities Amortization (Accretion) On Held To Maturity Securities Entity Ex Transition Period Entity Ex Transition Period Bryon C. Salazar [Member] Bryon C. Salazar Repurchase of common stock under stock repurchase program Stock repurchased value Stock Repurchased During Period, Value Securities Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] STOCKHOLDERS’ EQUITY Equity, Attributable to Parent [Abstract] Gross Unrealized Losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Prior Plans [Member] Prior Plans Schedule of earnings per share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Purchase of nonmarketable equity securities Payment To Acquire Nonmarketable Equity Securities Payment To Acquire Nonmarketable Equity Securities Interest on federal funds sold Interest Income, Federal Funds Sold Executive Category: Executive Category [Axis] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Level 1 Fair Value, Inputs, Level 1 [Member] Name Measure Name Sale of nonmarketable equity securities Proceeds From Sale Of Nonmarketable Equity Securities Proceeds From Sale Of Nonmarketable Equity Securities INTEREST EXPENSE Interest Expense [Abstract] Name Forgone Recovery, Individual Name Actual Amount Banking Regulation, Common Equity Tier 1 Risk-Based Capital, Actual Carrying Amount Reported Value Measurement [Member] Equity Components [Axis] Equity Components [Axis] Financial Instruments [Domain] Financial Instruments [Domain] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Commercial and industrial Commercial And Industrial Segment [Member] Commercial And Industrial Segment [Member] Net (accretion) amortization on securities AFS Amortization (Accretion) Of Debt Securities Available For Sale Amortization (Accretion) Of Debt Securities Available For Sale Measurement Basis [Axis] Measurement Basis [Axis] After five years but within 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 Allowance for credit losses Allowance for credit loss Increase for allowance for loan losses Beginning Balance Ending Balance Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest Underlying Securities Award Underlying Securities Amount Fair Value Debt Securities, Held-to-Maturity, Fair Value, Maturity [Abstract] Entity Small Business Category Entity Small Business Total Securities AFS Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Remainder of Fiscal Year Local Phone Number Local Phone Number Actual Ratio (percent) Banking Regulation, Common Equity Tier 1 Risk-Based Capital Ratio, Actual Fair Value Measurement [Domain] Fair Value Measurement [Domain] Fair Value Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Red River Bank Subsidiaries [Member] Schedule of compliance with regulatory capital requirements under banking regulations Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block] Measurement Frequency [Axis] Measurement Frequency [Axis] Schedule of maturities of securities available for sale and held to maturities Investments Classified by Contractual Maturity Date [Table Text Block] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Regulatory Requirements, Minimum Plus CCB, Ratio (percent) Banking Regulation, Common Equity Tier 1 Risk-Based Capital Ratio, Well Capitalized, Minimum Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Depreciation Depreciation Impact of ASC 326 Adoption Cumulative Effect, Period of Adoption, Adjustment [Member] Less than twelve months Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months [Abstract] Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months With no related allowance recorded: Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Financial assets: Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] Line of Credit Facility [Table] Line of Credit Facility [Table] After one year but within five years Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Total Risk-Based Capital Banking Regulation, Total Capital [Abstract] Intangible assets Intangible Assets, Net (Including Goodwill) Tier I Risk-Based Capital Banking Regulation, Tier 1 Risk-Based Capital [Abstract] Gross Unrealized Losses Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss After five years but within ten years Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 After ten years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10 Schedule of carrying amounts and estimated fair values of financial instruments Fair Value, by Balance Sheet Grouping [Table Text Block] INTEREST AND DIVIDEND INCOME Investment Income, Interest and Dividend [Abstract] Other Performance Measure, Amount Other Performance Measure, Amount Carrying value of impaired loans before allowance Financing Receivable, Impaired during Period, Gross Financing Receivable, Impaired during Period, Gross Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Standby letters of credit Standby Letters of Credit [Member] CASH FLOWS FROM INVESTING ACTIVITIES Net Cash Provided by (Used in) Investing Activities [Abstract] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Regulatory Requirements, Minimum, Amount Tier One Risk Based Capital Required For Capital Adequacy With Buffer Tier One Risk Based Capital Required For Capital Adequacy With Buffer Antidilutive Securities [Axis] Award Type [Axis] Special Mention Special Mention [Member] Regulatory Capital Requirements Regulatory Capital Requirements under Banking Regulations [Text Block] Prior Years Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year Document Quarterly Report Document Quarterly Report Total Interest Expense Interest Expense Regulatory Requirements, Minimum, Amount Banking Regulation, Tier 1 Risk-Based Capital, Capital Adequacy, Minimum Capital contribution in partnerships Payments Of Contributed Capital Payments Of Contributed Capital Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Transferred securities of available for sale and held-to-maturity, amount Debt Securities, Transferred Securities of Available for Sale and Held-to-Maturity, Amount Debt Securities, Transferred Securities of Available for Sale and Held-to-Maturity, Amount Accrued interest Financing Receivable, Accrued Interest, before Allowance for Credit Loss Trading Arrangement: Trading Arrangement [Axis] Critical Accounting Policies and Estimates Use of Estimates, Policy [Policy Text Block] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Regulatory Requirements, Minimum, Amount Banking Regulation, Common Equity Tier 1 Risk-Based Capital, Capital Adequacy, Minimum Charge-offs Foreclosed Assets, Charge-Off, Fair Value Disclosure Foreclosed Assets, Charge-Off, Fair Value Disclosure Entity File Number Entity File Number Interest-bearing deposits: Deposits, by Type [Abstract] Fair value of impaired loans Financing Receivable, Impaired during Period, Fair Value Disclosure Financing Receivable, Impaired during Period, Fair Value Disclosure Available-for-sale, allowance for credit loss Debt Securities, Available-for-Sale, Allowance for Credit Loss Net increase (decrease) in accrued income taxes payable Increase (Decrease) in Income Taxes Payable, Net of Income Taxes Receivable Entity Shell Company Entity Shell Company Construction and development Construction and development Construction And Development Estate [Member] Construction And Development Estate Loans held for sale Total loans HFS Financing Receivable, Held-for-Sale Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Accounting Standards Adopted in 2023 and Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Restatement Determination Date Restatement Determination Date Tammi R. Salazar [Member] Tammi R. Salazar Internal Credit Assessment [Axis] Internal Credit Assessment [Axis] Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Table] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents - beginning of period Cash and cash equivalents - end of period Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Total impaired loans Impaired Financing Receivable, Average Recorded Investment Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Fair Value Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Common stock, shares, issued (in shares) Common Stock, Shares, Issued Gross Unrealized Losses Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss Security Exchange Name Security Exchange Name (Gain) Loss on sale and call of securities Debt Securities, Available-for-Sale, Gain (Loss) Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Employee Stock Option Employee Stock Option [Member] Regulatory Requirements, Minimum Plus CCB, Ratio (percent) Banking Regulation, Total Risk-Based Capital Ratio, Well Capitalized, Minimum Loss Unlikely to be Collected Financing Receivable [Member] Maximum Maximum [Member] Comprehensive Income (Loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Document Type Document Type Regulatory Requirements, Minimum, Ratio (percent) Banking Regulation, Common Equity Tier 1 Risk-Based Capital Ratio, Capital Adequacy, Minimum Tabular List, Table Tabular List [Table Text Block] Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Accrued expenses and other liabilities Accrued Liabilities and Other Liabilities Cumulative Effect, Period of Adoption [Domain] Cumulative Effect, Period of Adoption [Domain] Financial liabilities: Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] Gross Unrealized Gains Debt Securities, Held-to-Maturity, Accumulated Unrecognized Gain Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Purchases Securities purchased Payments to Acquire Debt Securities, Available-for-Sale Unfunded commitments Unfunded Loan Commitment [Member] Actual Amount Banking Regulation, Total Capital, Actual Schedule of TDRs with modification Financing Receivable, Modified [Table Text Block] Fair Value Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value Income Statement [Abstract] Income Statement [Abstract] Title of 12(b) Security Title of 12(b) Security Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Foreclosed assets remeasured subsequent to initial recognition: Repossessed Assets [Abstract] Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Interest on deposits in other banks Interest Income, Deposits with Financial Institutions Cash and due from banks Cash and Cash Equivalents, Fair Value Disclosure Financing Receivable, Credit Quality Indicator [Line Items] Financing Receivable, Credit Quality Indicator [Line Items] Regulatory Requirements, Minimum Plus CCB, Ratio (percent) Banking Regulation, Tier 1 Risk-Based Capital Ratio, Well Capitalized, Minimum Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Proceeds from sales of foreclosed assets Proceeds from Sale of Foreclosed Assets Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Schedule of loans information Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Tax effect OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax Entity Tax Identification Number Entity Tax Identification Number Regulatory Requirements, Minimum, Ratio (percent) Banking Regulation, Tier 1 Leverage Capital Ratio, Capital Adequacy, Minimum Activity in securities HTM: Proceeds from Sale and Maturity of Held-to-Maturity Securities [Abstract] Occupancy and equipment expenses Occupancy And Equipment Expense Occupancy And Equipment Expense Real estate Real Estate Portfolio Segment [Member] Real Estate Portfolio Segment [Member] Statistical Measurement [Axis] Statistical Measurement [Axis] Financial Instrument [Axis] Financial Instrument [Axis] Cumulative Effect, Period of Adoption [Axis] Cumulative Effect, Period of Adoption [Axis] Entity Interactive Data Current Entity Interactive Data Current Related Allowance Impaired Financing Receivable, Related Allowance Accrued interest receivable Interest Receivable Held-to-maturity, purchase Debt Securities, Held-to-Maturity, Purchase Schedule of realized gain (loss) Schedule of Realized Gain (Loss) [Table Text Block] Activity in securities AFS: Proceeds from Sale and Maturity of Debt Securities, Available-for-Sale [Abstract] Debt Securities, Available-for-sale [Table] Debt Securities, Available-for-Sale [Table] Total Shareholder Return Amount Total Shareholder Return Amount Repurchase of common stock Payments for Repurchase of Common Stock Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Financing Receivable, Troubled Debt Restructuring [Line Items] Financing Receivable, Modified [Line Items] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Maturities, principal repayments, and calls Proceeds from Maturities, Prepayments and Calls of Held-to-Maturity Securities Retained earnings Retained Earnings (Accumulated Deficit) Measure: Measure [Axis] Commitments and Contingencies Disclosure [Abstract] Name Outstanding Recovery, Individual Name Current period, gross charge-offs, 2021 Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff Recorded Investment Impaired Financing Receivable, Recorded Investment [Abstract] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Defaults on loans Financing Receivable, Modified, Subsequent Default Advertising Advertising Expense Total Noninterest Income Noninterest Income Entity Address, State or Province Entity Address, State or Province Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Impaired loans Financing Receivable, Impaired, Fair Value Disclosure Financing Receivable, Impaired, Fair Value Disclosure CASH FLOWS FROM OPERATING ACTIVITIES Net Cash Provided by (Used in) Operating Activities [Abstract] Net (increase) decrease in loans HFI Payments for (Proceeds from) Loans Receivable Net increase (decrease) in accrued interest payable Increase (Decrease) in Interest Payable, Net Internal Credit Assessment [Domain] Internal Credit Assessment [Domain] Common stock, shares, outstanding (in shares) Balance at the beginning of period (in shares) Balance at the end of period (in shares) Common Stock, Shares, Outstanding AOCI, debt securities, transferred securities of available for sale and held-to-maturity, unrealized loss AOCI, Debt Securities, Transferred Securities of Available for Sale and Held-to-Maturity, Unamortized, Unrealized Gain (Loss) AOCI, Debt Securities, Transferred Securities of Available for Sale and Held-to-Maturity, Unamortized, Unrealized Gain (Loss) Maturities, principal repayments, and calls Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale NONINTEREST INCOME Noninterest Income [Abstract] PEO PEO [Member] Held-to-maturity, sale Debt Securities, Held-to-Maturity, Sale Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Actual Ratio (percent) Banking Regulation, Tier 1 Risk-Based Capital Ratio, Actual Tax effect Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities Equity securities, at fair value Equity securities Equity Securities, FV-NI, Current Net income - basic Net Income (Loss) Available to Common Stockholders, Basic Legal and professional expenses Professional Fees Available-for-sale, number of securities in unrealized loss positions Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions Share-based board compensation earned Share-based Payment Arrangement, Board Compensation, Noncash Expense Share-based Payment Arrangement, Board Compensation, Noncash Expense Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Repayments of debt Repayments of Debt Regulatory Requirements, Minimum Plus CCB, Ratio (percent) Banking Regulation, Tier 1 Leverage Capital Ratio, Well Capitalized, Minimum Lease liabilities Operating Lease, Liability Measurement Input Type [Domain] Measurement Input Type [Domain] Securities Debt Securities Unrealized net gain (loss) on securities arising during period OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax Regulatory Requirements, Minimum, Ratio (percent) Tier One Risk Based Capital Required For Capital Adequacy With Buffer To Risk Weighted Assets Tier One Risk Based Capital Required For Capital Adequacy With Buffer To Risk Weighted Assets Total Liabilities Liabilities Bryon C. Salazar and Tammi R. Salazar [Member] Bryon C. Salazar and Tammi R. Salazar Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Measurement Frequency [Domain] Measurement Frequency [Domain] All Executive Categories All Executive Categories [Member] Class of Financing Receivable [Axis] Class of Financing Receivable [Axis] Total Operating Expenses Noninterest Expense Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Earnings Per Share [Abstract] Earnings Per Share [Abstract] Regulatory Requirements, Minimum, Ratio (percent) Banking Regulation, Total Risk-Based Capital Ratio, Capital Adequacy, Minimum Common stock, no par value: Authorized - 30,000,000 shares; Issued and Outstanding - 7,150,685 and 7,183,915 shares, respectively Common Stock, Value, Issued Commercial real estate Commercial real estate Commercial Real Estate [Member] Fair Value Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months After one year but within five years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Schedule of fair value of assets measured on nonrecurring basis Fair Value Measurements, Nonrecurring [Table Text Block] Interest and fees on loans Interest and Fee Income, Loans and Leases Time deposits less than or equal to $250,000 Time Deposits, Less than or Equal to $250,000 Time Deposits, Less than or Equal to $250,000 Consumer Consumer Portfolio Segment [Member] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Summary of impact of adoption of ASC 326 Accounting Standards Update and Change in Accounting Principle [Table Text Block] Accrued interest payable Interest Payable Savings accounts Deposits, Savings Deposits All Individuals All Individuals [Member] SUPPLEMENTAL DISCLOSURES Supplemental Cash Flow Information [Abstract] Schedule of credit quality indicators Financing Receivable Credit Quality Indicators [Table Text Block] Current period, gross charge-offs, Total Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff Amortization Amortization Entity Filer Category Entity Filer Category Gross Unrealized Losses Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Securities in a loss position as a proportion of total HTM securities (as a percent) Debt Securities, Available For Sale, Unrealized Loss Position, Percent Of Total Debt Securities, Held-to-Maturity Debt Securities, Available For Sale, Unrealized Loss Position, Percent Of Total Debt Securities, Held-to-Maturity Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Short-term Debt, Type [Domain] Short-Term Debt, Type [Domain] Statement [Table] Statement [Table] Current Fiscal Year End Date Current Fiscal Year End Date Stock repurchase program, authorized amount Stock Repurchase Program, Authorized Amount Repurchase of common stock under stock repurchase program (in shares) Stock repurchased (in shares) Stock Repurchased During Period, Shares Fair Value Total Securities HTM Securities HTM Debt Securities, Held-to-Maturity, Fair Value PEO Name PEO Name 2023 Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year Pass Pass [Member] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Multifamily Multifamily [Member] Loans and Asset Quality Financing Receivables [Text Block] SBA PPP, net of deferred income Small Business Administration Paycheck Protection Program Segment [Member] Small Business Administration Paycheck Protection Program Segment [Member] Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding AOCI, debt securities, transferred securities of available for sale and held-to-maturity, unrealized loss, net of tax AOCI, Debt Securities, Transferred Securities of Available for Sale and Held-to-Maturity, Unamortized, Unrealized Gain (Loss), Net of Tax AOCI, Debt Securities, Transferred Securities of Available for Sale and Held-to-Maturity, Unamortized, Unrealized Gain (Loss), Net of Tax Net cash provided by (used in) operating activities Net Cash Provided by (Used in) Operating Activities Financing Receivable, Allowance for Credit Loss [Line Items] Financing Receivable, Allowance for Credit Loss [Line Items] Regulatory Requirements, Minimum, Ratio (percent) Banking Regulation, Tier 1 Risk-Based Capital Ratio, Capital Adequacy, Minimum Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Nonrecurring Fair Value, Nonrecurring [Member] Proceeds from other borrowed funds Proceeds from Other Debt Unrealized loss for debt securities, increase Debt Securities, Unrealized Gain (Loss) Other operating activities, net Increase (Decrease) in Other Operating Assets and Liabilities, Net Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] (Gain) Loss on other assets owned Gain (Loss) on Disposition of Other Assets Remeasured Loans Remeasured Loans [Member] Remeasured Loans [Member] Tax effect OCI, Debt Securities, Available-for-Sale, Transfer to Held-to-Maturity, Adjustment from AOCI for Amortization of Gain (Loss), Tax Interest rate (as a percent) Debt Instrument, Interest Rate, Stated Percentage Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Securities held-to-maturity, at amortized cost Amortized Cost Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Financing Receivable, Troubled Debt Restructuring [Table] Financing Receivable, Modified [Table] Total Stockholders’ Equity Balance in the beginning of period Balance at the end of period Equity, Attributable to Parent Accumulated unrealized loss on AFS securities Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain (Loss), before Tax Plus: Effect of restricted stock Restricted Stock [Member] Within one year Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Schedule of inputs used for the Level 3 fair value measurement Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Maturities, principal repayments, and calls Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale and Held-to-Maturity Securities Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale and Held-to-Maturity Securities Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Axis] Income Before Income Tax Expense Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Nonmarketable equity securities Equity Securities without Readily Determinable Fair Value, Amount Financing receivable, 90 days or more past due and accruing Financing Receivable, 90 Days or More Past Due, Still Accruing Current period, gross charge-offs, 2022 Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff EARNINGS PER SHARE Earnings per common share: Earnings Per Share Reconciliation [Abstract] Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Level 2 Fair Value, Inputs, Level 2 [Member] 2022 Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year Entity Emerging Growth Category Entity Emerging Growth Company Fair Value Debt Securities, Available-for-Sale, Fair Value, Fiscal Year Maturity [Abstract] Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table] Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table] Accrued interest receivable Interest Receivable, Fair Value Disclosure Interest Receivable, Fair Value Disclosure With allowance recorded: Impaired Financing Receivable, with Related Allowance, Average Recorded Investment Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Red River Bancshares, Inc. Parent Company [Member] After ten years Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, after Year 10 Adjustment to the allowances for credit losses and reserve for unfunded commitments Financing Receivable, Allowance For Credit Loss, Excluding Accrued Interest and Reserve For Unfunded Commitments Financing Receivable, Allowance For Credit Loss, Excluding Accrued Interest and Reserve For Unfunded Commitments Loans HFS Loan, Held-for-Sale, Fair Value Disclosure Document Fiscal Period Focus Document Fiscal Period Focus Deposits Deposit Liabilities Disclosures [Text Block] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Plus: Effect of Director Compensation Program Share-Based Payment Arrangement [Member] Title Trading Arrangement, Individual Title Share-based compensation earned Share-Based Payment Arrangement, Noncash Expense Weighted Average Discount Weighted Average [Member] Common Stock Common Stock [Member] With no related allowance recorded: Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment Individual: Individual [Axis] Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table] Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table] City Area Code City Area Code Entity Address, Postal Zip Code Entity Address, Postal Zip Code Financial Asset, Period Past Due [Domain] Financial Asset, Aging [Domain] Earnings Per Common Share Earnings Per Share [Text Block] Net (increase) decrease in BOLI Increase (Decrease) In Bank Owned Life Insurance Increase (Decrease) In Bank Owned Life Insurance Other operating expenses Other Noninterest Expense Document Fiscal Year Focus Document Fiscal Year Focus Total Deposits Deposits Deposits Interest-bearing deposits Total interest-bearing deposits Interest-Bearing Deposit Liabilities Minimum Minimum [Member] Denominator: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Other income (loss) Noninterest Income, Other Operating Income Premises and equipment, net Property, Plant and Equipment, Net Regulatory Requirements, Minimum, Amount Banking Regulation, Tier 1 Leverage Capital, Capital Adequacy, Minimum Receivables [Abstract] Receivables [Abstract] Exercise Price Award Exercise Price Cash dividends (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Equity, Class of Treasury Stock [Line Items] Equity, Class of Treasury Stock [Line Items] Actual Amount Banking Regulation, Tier 1 Leverage Capital, Actual Cash dividend Dividends, Common Stock, Cash ASSETS Assets [Abstract] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Securities and FHLB letters of credit pledged to secure public entity deposits Securities and Federal Home Loan Banks Letters of Credit, Pledged as Collateral Securities and Federal Home Loan Banks Letters of Credit, Pledged as Collateral After ten years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 Securities AFS: Available-for-Sale Securities, Debt Maturities [Abstract] LIABILITIES Liabilities [Abstract] Gross loss Debt Securities, Realized Loss Debt Securities, Realized Loss U.S. Treasury securities US Treasury Securities [Member] Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Schedule of fair value of assets measured on recurring basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Contingencies Commitments and Contingencies Disclosure [Text Block] Retained Earnings Retained Earnings [Member] Loan and deposit income Noninterest Income, Loans And Deposits Noninterest Income, Loans And Deposits Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Total Liabilities and Stockholders’ Equity Liabilities and Equity Total Securities AFS Debt Securities, Available-for-Sale, Amortized Cost Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Change in unrealized net loss on securities transferred to held-to-maturity OCI, Debt Securities, Available-for-Sale, Transfer to Held-to-Maturity, Adjustment from AOCI for Amortization of Gain (Loss), before Tax Basic (in dollars per share) Earnings Per Share, Basic Right-of-use assets Operating Lease, Right-of-Use Asset Cash and due from banks Cash and Due from Banks Accounting Policies [Abstract] Accounting Policies [Abstract] Service charges on deposit accounts Fees And Commissions, Depositor Accounts1 Fees And Commissions, Depositor Accounts1 Class of Treasury Stock [Table] Class of Treasury Stock [Table] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Net income - diluted Net Income (Loss) Available to Common Stockholders, Diluted Arrangement Duration Trading Arrangement Duration Schedule of debt securities available for sale in unrealized loss position Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] Entity Address, City or Town Entity Address, City or Town Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Securities in a loss position as a proportion of total AFS securities (as a percent) Debt Securities, Available For Sale, Unrealized Loss Position, Percent Of Total Debt Securities, Available For Sale Debt Securities, Available For Sale, Unrealized Loss Position, Percent Of Total Debt Securities, Available For Sale Actual Ratio (percent) Banking Regulation, Total Risk-Based Capital Ratio, Actual Twelve months or more Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer [Abstract] Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer Income taxes Income Taxes Paid Regulatory Requirements, Minimum Plus CCB, Amount Banking Regulation, Tier 1 Risk-Based Capital, Well Capitalized, Minimum Proceeds from borrowing Proceeds from Issuance of Debt Other business development expenses Other Business Development Expenses Other Business Development Expenses Interest-bearing demand deposits Interest-Bearing Domestic Deposit, Demand Issuance of shares of common stock as board compensation Stock Issued During Period, Value, Issued for Services Document Transition Report Document Transition Report Award Timing Predetermined Award Timing Predetermined [Flag] Gross gain Debt Securities, Realized Gain Debt Securities, Realized Gain With allowance recorded: Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance Stock available for repurchasing value Stock Repurchase Program, Remaining Authorized Repurchase Amount Termination Date Trading Arrangement Termination Date Net increase (decrease) in deposits Decrease in deposits Increase (Decrease) in Deposits Discounted appraisals Valuation, Discounted Appraisals [Member] Valuation, Discounted Appraisals [Member] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Interest-bearing deposits in other banks Interest Bearing Deposits In Other Financial Institutions, Fair Value Disclosure Interest Bearing Deposits In Other Financial Institutions, Fair Value Disclosure 2019 Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year Securities available-for-sale, at fair value Fair Value Securities AFS Debt Securities, Available-for-Sale Regulatory Requirements, Minimum Plus CCB, Amount Banking Regulation, Total Risk-Based Capital, Well Capitalized, Minimum Interest income on impaired loans Impaired Financing Receivable, Interest Income, Accrual Method Financial Asset, Period Past Due [Axis] Financial Asset, Aging [Axis] 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] Gross Unrealized Gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax (Gain) Loss on equity securities Equity Securities, FV-NI, Gain (Loss) Adjustments to reconcile net income to net cash provided by (used in) operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Brokerage income Brokerage Commissions Revenue All Trading Arrangements All Trading Arrangements [Member] Measurement Input Type [Axis] Measurement Input Type [Axis] Amortized Cost Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity [Abstract] Substandard Substandard [Member] Within one year Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One All Adjustments to Compensation All Adjustments to Compensation [Member] Award Timing Disclosures [Line Items] Actual Ratio (percent) Banking Regulation, Tier 1 Leverage Capital Ratio, Actual Debit card income, net Fees And Commissions, Debit Cards1 Fees And Commissions, Debit Cards1 Compensation Amount Outstanding Recovery Compensation Amount Time deposits greater than $250,000 Time Deposits, at or Above FDIC Insurance Limit Tax-exempt Tax Exempt Portfolio Segment [Member] Tax Exempt Portfolio Segment [Member] Additional paid-in capital Additional Paid in Capital After five years but within ten years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Loans HFI, net of allowance Loans Receivable, Fair Value Disclosure Deferred income tax (benefit) expense Deferred Income Tax Expense (Benefit) Loans held for investment Total loans HFI Financing receivable, excluding accrued interest, before allowance for credit loss Total Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss Accrued interest payable Accounts Payable, Fair Value Disclosure Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Unpaid Principal Balance Impaired Financing Receivable, Unpaid Principal Balance [Abstract] One-to-four family residential Residential Real Estate [Member] Doubtful Doubtful [Member] Transfers of investment securities from AFS to HTM, prior to market value adjustment Debt Securities, Held-to-Maturity, Transfer from Debt Securities, Available-for-Sale, Prior to Market Value Adjustment, Amount Debt Securities, Held-to-Maturity, Transfer from Debt Securities, Available-for-Sale, Prior to Market Value Adjustment, Amount Short-term Debt, Type [Axis] Short-Term Debt, Type [Axis] SUPPLEMENTAL INFORMATION FOR NON-CASH INVESTING AND FINANCING ACTIVITIES Supplemental Information for Non Cash Investing and Financing Activities [Abstract] Supplemental Information for Non Cash Investing and Financing Activities [Abstract] Deposits [Abstract] Deposits [Abstract] Municipal bonds Municipal Bonds [Member] Insider Trading Arrangements [Line Items] Schedule of debt securities held-to-maturity in unrealized loss position Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Table Text Block] Other assets Other Assets Common Equity Tier I Capital Banking Regulation, Common Equity Tier 1 Risk-Based Capital [Abstract] Interest-bearing deposits in other banks Interest-Bearing Deposits in Banks and Other Financial Institutions Entity Registrant Name Entity Registrant Name Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Award Timing Method Award Timing Method [Text Block] Effect of dilutive securities (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Current period, gross charge-offs, Prior Years Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff Adjustment to Compensation, Amount Adjustment to Compensation Amount Proceeds from sales of premises and equipment Proceeds from Sale of Property, Plant, and Equipment Other borrowed funds Other Borrowings Document Period End Date Document Period End Date Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Schedule of financing receivable, nonaccrual Financing Receivable, Nonaccrual [Table Text Block] Regulatory assessment expenses Federal Deposit Insurance Corporation Premium Expense And Office Of Financial Institutions Expense Federal Deposit Insurance Corporation Premium Expense And Office Of Financial Institutions Expense Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Adoption Date Trading Arrangement Adoption Date Entity Central Index Key Entity Central Index Key After one year but within 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 Less than twelve months Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months [Abstract] Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, Less than 12 Months Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Income tax expense Income Tax Expense (Benefit) Twelve months or more Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer [Abstract] Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer Securities HTM: Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss [Abstract] Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Charge-offs Financing Receivable, Allowance for Credit Loss, Writeoff Fair Value Fair Value Disclosures [Text Block] Dividends on stock Dividend Income, Operating Name Trading Arrangement, Individual Name Total other comprehensive income (loss) Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Mortgage loan income Noninterest Income, Mortgage Banking Noninterest Income, Mortgage Banking Provision for credit losses Provision for Credit Losses Specific allowance Financing Receivable, Credit Loss, Expense (Reversal) Technology expenses Technology Expense Technology Expense Gross Unrealized Losses Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Equity [Abstract] Equity [Abstract] Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-Sale [Line Items] Securities pledged as collateral Debt Securities, Available-for-Sale and Held to Maturity, Pledged as Collateral Debt Securities, Available-for-Sale and Held to Maturity, Pledged as Collateral 60-89 Days 30-89 Days Past Due Financial Asset, 60 to 89 Days Past Due [Member] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Interest on deposits Interest Expense, Deposits Amendment Flag Amendment Flag (Gain) Loss on sale and call of securities included in net income Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax Average Recorded Investment Impaired Financing Receivable, Average Recorded Investment [Abstract] Gross Unrealized Losses Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Total Cash and Cash Equivalents Cash and Cash Equivalents, at Carrying Value Interest Interest Paid, Excluding Capitalized Interest, Operating Activities Net Interest Income Interest Income (Expense), Net Financing Receivable, Credit Quality Indicator [Table] Financing Receivable, Credit Quality Indicator [Table] Schedule of financing receivable past due Financing Receivable, Past Due [Table Text Block] Within one year Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Schedule of debt securities held-to-maturity Debt Securities, Held-to-Maturity [Table Text Block] Nonaccrual with ACL Financing Receivable, Nonaccrual, With Related Allowance Financing Receivable, Nonaccrual, With Related Allowance Total Nonaccrual Financing receivable, excluding accrued interest, nonaccrual Financing Receivable, Excluding Accrued Interest, Nonaccrual Issuance of shares of common stock as board compensation (in shares) Stock Issued During Period, Shares, Issued for Services Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Current period, gross charge-offs, 2020 Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff Numerator: Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Held-to-maturity, allowance for credit loss Debt Securities, Held-to-Maturity, Allowance for Credit Loss Schedule of impaired financing receivable Impaired Financing Receivables [Table Text Block] Total impaired loans Impaired Financing Receivable, Recorded Investment Weighted average shares outstanding - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Deposits Deposits, Fair Value Disclosure Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] SBIC income Investment Income, Dividends And Other Payments Investment Income, Dividends And Other Payments Gain (Loss) on sale and call of securities Debt Securities, Available-for-Sale, Realized Gain (Loss) Total Interest and Dividend Income Interest and Dividend Income, Operating 2021 Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year Pre Modification Financing Receivable, Troubled Debt Restructuring, Premodification Other commitments Fair Value Disclosure, off-Balance-Sheet Risks, Amount, Liability Other taxes Taxes, Other OPERATING EXPENSES Operating Expenses [Abstract] Recoveries Financing Receivable, Allowance for Credit Loss, Recovery Purchases of premises and equipment Payments to Acquire Property, Plant, and Equipment Company Selected Measure Amount Company Selected Measure Amount Post Modification Financing Receivable, Modified in Period, Amount Assets acquired in settlement of loans Fair Value of Assets Acquired Additional Paid-In Capital Additional Paid-in Capital [Member] Sale of equity securities Proceeds from Sale of Equity Securities, FV-NI 30-59 Days Financial Asset, 30 to 59 Days Past Due [Member] Net (increase) decrease in loans HFS Increase (Decrease) in Loan, Held-for-Sale Gain (Loss) on equity securities Loss on equity securities Equity Securities, FV-NI, Realized Gain (Loss) Total Assets Assets Name Awards Close in Time to MNPI Disclosures, Individual Name After ten years Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 Cover [Abstract] Cover [Abstract] Stock incentive plan APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Recurring Fair Value, Recurring [Member] Personnel expenses Labor and Related Expense Fair Value Measurement Inputs and Valuation Techniques [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Non-NEOs Non-NEOs [Member] Current period, gross charge-offs, 2019 Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff With no related allowance recorded: Impaired Financing Receivable, with No Related Allowance, Recorded Investment Tier I Leverage Capital Banking Regulation, Tier 1 Leverage Capital [Abstract] Loan Count Financing Receivable, Modifications, Number of Contracts Accrued interest receivables, available for sale and held to maturity securities Debt Securities, Accrued Interest, before Allowance for Credit Loss Debt Securities, Accrued Interest, before Allowance for Credit Loss Net change in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect CASH FLOWS FROM FINANCING ACTIVITIES Net Cash Provided by (Used in) Financing Activities [Abstract] Non-PEO NEO Non-PEO NEO [Member] Equity Component [Domain] Equity Component [Domain] Adjustment to Compensation: Adjustment to Compensation [Axis] Held-to-maturity, number of securities in unrealized loss positions Debt Securities, Held-to-Maturity, Unrealized Loss Position, Number of Positions Debt Securities, Held-to-Maturity, Unrealized Loss Position, Number of Positions Collateral discounts and costs to sell Measurement Input, Collateral Discounts And Costs To Sell [Member] Measurement Input, Collateral Discounts And Costs To Sell [Member] Bank-owned life insurance Bank Owned Life Insurance Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Weighted average shares outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Total impaired loans Impaired Financing Receivable, Unpaid Principal Balance Entity Current Reporting Status Entity Current Reporting Status Number of units Financing Receivable, Number of Units Financing Receivable, Number of Units Reclassification Reclassification, Comparability Adjustment [Policy Text Block] Actual Amount Banking Regulation, Tier 1 Risk-Based Capital, Actual With allowance recorded: Impaired Financing Receivable, with Related Allowance, Recorded Investment Forfeiture of restricted shares of common stock (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Forfeited Consolidated Entities [Domain] Consolidated Entities [Domain] Total Securities HTM Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Statement [Line Items] Statement [Line Items] Fair Value Estimate of Fair Value Measurement [Member] Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax [Abstract] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Mortgage-backed securities Collateralized Mortgage-Backed Securities [Member] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Interest on other borrowed funds Interest Expense, Other Short-Term Borrowings Schedule of debt securities available for sale Debt Securities, Available-for-Sale [Table Text Block] Amortized Cost Debt Securities, Available-for-Sale, Amortized Cost, Fiscal Year Maturity [Abstract] Money market accounts Deposits, Money Market Deposits Accounting Standards Update 2016-13 [Member]