75000 - Document - Document And Entity Information
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75010 - Statement - Consolidated Balance Sheets (Unaudited)
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75020 - Statement - Consolidated Balance Sheets (Unaudited) (Parentheticals)
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75030 - Statement - Consolidated Statements of Earnings (Unaudited)
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75040 - Statement - Consolidated Statements of Comprehensive Earnings (Losses) (Unaudited)
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75050 - Statement - Consolidated Statements of Changes in Shareholders' Equity (Unaudited)
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75060 - Statement - Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (Parentheticals)
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75070 - Statement - Consolidated Statements of Cash Flows (Unaudited)
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75080 - Statement - Consolidated Statements of Cash Flows (Unaudited) (Parentheticals)
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995455 - Disclosure - Summary of Significant Accounting Policies
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995465 - Disclosure - Loans and Allowance for Credit Losses
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995475 - Disclosure - Debt Securities
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995485 - Disclosure - Derivatives
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995495 - Disclosure - Mortgage Servicing Rights
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995505 - Disclosure - Equity Incentive Plans
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995515 - Disclosure - Regulatory Capital
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995525 - Disclosure - Fair Value Measurements
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995535 - Disclosure - Income Taxes
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995545 - Disclosure - Earnings Per Share
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995555 - Disclosure - Commitments and Contingent Liabilities
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995565 - Disclosure - Divestiture of Wilson Bank Credit Card
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995575 - Disclosure - Segment Information
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995585 - Disclosure - Subsequent Events
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995595 - Disclosure - Summary of Significant Accounting Policies (Policies)
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995605 - Disclosure - Loans and Allowance for Credit Losses (Tables)
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995615 - Disclosure - Debt Securities (Tables)
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995625 - Disclosure - Derivatives (Tables)
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995635 - Disclosure - Mortgage Servicing Rights (Tables)
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995645 - Disclosure - Equity Incentive Plans (Tables)
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995655 - Disclosure - Regulatory Capital (Tables)
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995665 - Disclosure - Fair Value Measurements (Tables)
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995675 - Disclosure - Earnings Per Share (Tables)
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995685 - Disclosure - Commitments and Contingent Liabilities (Tables)
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995695 - Disclosure - Segment Information (Tables)
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995705 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Details)
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995715 - Disclosure - Loans and Allowance for Credit Losses - Schedule of Loans (Details)
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995725 - Disclosure - Loans and Allowance for Credit Losses - Additional Information (Details)
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995735 - Disclosure - Loans and Allowance for Credit Losses - Summary of Transactions in Allowance for Credit Losses (Details)
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995745 - Disclosure - Loans and Allowance for Credit Losses - Schedule of Amortized Cost Basis of Collateral Dependent Loans (Details)
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995755 - Disclosure - Loans and Allowance for Credit Losses - Schedule of Loans on Nonaccrual Status (Details)
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995765 - Disclosure - Loans and Allowance for Credit Losses - Schedule of Age Analysis of Past Due Loans (Details)
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995775 - Disclosure - Loans and Allowance for Credit Losses - Modified Financing Receivables (Details)
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995785 - Disclosure - Loans and Allowance for Credit Losses - Loan Portfolio by Risk Rating (Details)
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995795 - Disclosure - Loans and Allowance for Credit Losses - Loan Portfolio by Risk Rating (Details) 2
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995805 - Disclosure - Debt Securities - Summary of Debt Securities (Details)
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995815 - Disclosure - Debt Securities - Additional Information (Details)
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995825 - Disclosure - Debt Securities - Amortized Cost and Estimated Market Value of Debt Securities by Contractual Maturity (Details)
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995835 - Disclosure - Debt Securities - Gross Unrealized Losses and Fair Value of Investments (Details)
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995845 - Disclosure - Derivatives - Additional Information (Details)
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995855 - Disclosure - Derivatives - Schedule of Derivative Instruments, Hedging Instruments on the Company's Consolidated Statements of Income (Details)
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995865 - Disclosure - Derivatives - Summary of Fair Value Hedge Relationships (Details)
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995875 - Disclosure - Derivatives - Schedule of Effects of Fair Value Hedge Relationships in Interest Income on Loans in Consolidated Statements of Income (Details)
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995885 - Disclosure - Derivatives - Schedule of Amounts Recorded on the Balance Sheet Related to Cumulative Basis Adjustments for Fair Value Hedges (Details)
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995895 - Disclosure - Derivatives - Schedule of Net Gains (Losses) Relating to Free-standing Derivative Instruments (Details)
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995905 - Disclosure - Derivatives - Schedule of Amount and Fair Value of Mortgage Banking Derivatives (Details)
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995915 - Disclosure - Mortgage Servicing Rights - Summary of Principal Balances of Loans (Details)
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995925 - Disclosure - Mortgage Servicing Rights - Summary of Servicing Asset at Amortized Cost (Details)
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995935 - Disclosure - Mortgage Servicing Rights - Schedule of Assumptions in Estimating the Fair Value of Mortgage Servicing Rights (Details)
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995945 - Disclosure - Equity Incentive Plans - Additional Information (Details)
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995955 - Disclosure - Equity Incentive Plans - Summary of Stock Options Activity (Details)
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995965 - Disclosure - Equity Incentive Plans - Summary of Stock Appreciation Right Activity (Details)
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995975 - Disclosure - Equity Incentive Plans - Summary of Restricted Share Awards and Restricted Share Unit ("RSU") Awards Activity (Details)
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995985 - Disclosure - Equity Incentive Plans - Summary of Performance-Based Vesting Restricted Stock Units Activity (Details)
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995995 - Disclosure - Regulatory Capital - Summary of Company's and Wilson Banks Actual Capital Amounts and Ratios (Details)
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996005 - Disclosure - Fair Value Measurements - Schedule of Fair Value of Financial Instruments Measured on a Recurring Basis (Details)
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996015 - Disclosure - Fair Value Measurements - Schedule of Fair Value of Financial Instruments Measured on a Non-recurring Basis (Details)
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996025 - Disclosure - Fair Value Measurements - Schedule of Fair Value of Financial Instruments Measured on a Non-recurring Basis (Parenthetical) (Details)
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996035 - Disclosure - Fair Value Measurements - Schedule of Fair Value Assets Measured At Nonrecurring Basis (Details)
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996045 - Disclosure - Fair Value Measurements - Additional Information (Details)
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996055 - Disclosure - Fair Value Measurements - Summary of Changes in Fair Value Due to Observable Factors (Details)
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996065 - Disclosure - Fair Value Measurements - Schedule of Carrying Value and Estimated Fair Value of Financial Instruments (Details)
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996075 - Disclosure - Income Taxes - Additional Information (Details)
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996085 - Disclosure - Earnings Per Share - Summary of the Components Comprising Basic and Diluted Earnings Per Share (Details)
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996095 - Disclosure - Commitments and Contingent Liabilities - Additional Information (Details)
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996105 - Disclosure - Commitments and Contingent Liabilities - Schedule of Total Contractual Amount for All Off-balance Sheet Commitments (Details)
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996115 - Disclosure - Commitments and Contingent Liabilities - Schedule of Allowance for Credit Losses on Off-balance-sheet Credit Exposures (Details)
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996125 - Disclosure - Divestiture of Wilson Bank Credit Card - Additional Informantion (Details)
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996135 - Disclosure - Segment Information - Additional Information (Details)
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996145 - Disclosure - Segment Information - Schedule of Financial Data of Reportable Segment (Details)
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Vested, weighted average grant date fair value (in dollars per share)
Forfeited or expired, Weighted Average Exercise Price (in dollars per share)
Accrued interest payable
Proceeds from Sale of Property, Plant, and Equipment, Total
Proceeds from sale of premises and equipment
Proceeds from sale of credit card portfolio
Proceeds from Sale of Credit Card Portfolio
Proceeds from sale of credit card portfolio.
Segments [Domain]
Greater Than 89 Days Past Due
Non Accrual and Greater Than 89 Days Past Due
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Number of non-option outstanding
PSU outstanding (in shares)
Outstanding, shares (in shares)
Outstanding, shares (in shares)
1-4 family Equity Lines of Credit
Home Equity Loan [Member]
Current-period gross charge-offs
Charge-offs
Current-period gross charge-offs
Modified Financing Receivables
Financing Receivable, Modified, Past Due [Table Text Block]
us-gaap_FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear
Originated two years prior year
Entity Incorporation, State or Country Code
Statement of Financial Position Location, Balance [Domain]
us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
Fair value, other liabilities
Fair value, other liabilities
Due in one year or less, Securities, Available-For-Sale, Estimated Market Value
Financing Receivable Portfolio Segment [Axis]
Plan Name [Axis]
Available-for-Sale Securities, 12 Months or More, Fair Value
Entity Current Reporting Status
Class of Financing Receivable [Axis]
Fair Value, Inputs, Level 2 [Member]
Models with Significant Observable Market Parameters (Level 2) [Member]
Weighted Average Exercise Price
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Commitments and Contingent Liabilities
Commitments and Contingencies Disclosure [Text Block]
Common stock, shares authorized (in shares)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Net change in fair value of available-for-sale securities during the period, taxes
Basic EPS Computation:
Earnings Per Share, Basic [Abstract]
Securities
Investment, Policy [Policy Text Block]
Document Fiscal Period Focus
Accounting Standards Update 2023-09 [Member]
Accounting Standards Update 2023-09 [Member]
Entity Shell Company
us-gaap_DividendsCommonStockCash
Cash dividends declared
Proceeds from Sale of Finance Receivables
Proceeds from sale of credit card portfolio
Potential problem loans
Loans where the borrowers have experienced financial difficulty and the Company has identified as a potential future loss. Additional monitoring is administered to these loans.
wbhc_PotentialProblemLoans
Potential Problem Loans
Cash and cash equivalents - end of period
Cash and Cash Equivalent
U.S. Government-sponsored enterprises (GSEs)
US Government-sponsored Enterprises Debt Securities [Member]
U.S. Government-sponsored Enterprises (GSEs) [Member]
Amortization of Mortgage Servicing Rights (MSRs)
Amortization of mortgage servicing rights
Receivable Type [Axis]
Common stock, shares issued (in shares)
Forfeiture of Performance Stock Units
Forfeiture of performance stock units.
Forfeiture of performance stock units
Statement [Table]
Tier 1 capital to risk weighted assets regulatory minimum capital requirement ratio
Right of use assets obtained for lease liabilities
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability
Internal Revenue Service (IRS)
Internal Revenue Service (IRS) [Member]
Accrued interest receivable
Noninterest-Bearing Deposit Liabilities, Total
Noninterest-bearing
Combination Term Extension and Principal Forgiveness
Extended Maturity and Principal Forgiveness [Member]
us-gaap_FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear
Originated four years prior year
Statement [Line Items]
Tier 1 capital to risk weighted assets actual amount
Change in unrealized gains/losses included in other comprehensive income for assets and liabilities still held, other liabilities
Entity Filer Category
Reclassification, Comparability Adjustment [Policy Text Block]
Accounting Changes, Reclassifications and Restatements
60-89 Days Past Due
Financial Asset, 60 to 89 Days Past Due [Member]
Credit Card Rewards Reserve Reversal
Credit card rewards reserve reversal.
Credit card rewards reserve reversal
Financing Receivable, Past Due [Table]
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]
us-gaap_LiabilitiesAndStockholdersEquity
Total liabilities and shareholders’ equity
Carrying Amount of the Hedged Assets
Recoveries
us-gaap_NoninterestIncome
Total non-interest income
Other revenues
Options and SARs exercisable at March 31 (in dollars per share)
Options exercisable at March 31 (in dollars per share)
Schedule of Carrying Value and Estimated Fair Value of Financial Instruments
Fair Value, by Balance Sheet Grouping [Table Text Block]
Hedging Relationship [Axis]
Tier 1 capital to average assets actual amount
Allowance for Credit Losses - Securities Available-for-Sale
The disclosure of accounting policy for allowance for credit losses securities available for sale.
Allowance for Credit Losses, Securities Available for Sale [Policy Text Block]
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]
Schedule of Derivative Instruments, Hedging Instruments on the Company's Consolidated Statements of Income
Derivative [Line Items]
us-gaap_CashAndCashEquivalentsFairValueDisclosure
Cash and cash equivalents
30-59 Days Past Due
Financial Asset, 30 to 59 Days Past Due [Member]
Pledged Status [Axis]
Loans, gross
Loans, gross
Total loans before net deferred loan fees
Securities except U.S. Government and its agencies.
Securities Other than U.S. Government and its Agencies
Securities Except U.S. Government and its Agencies [Member]
us-gaap_DerivativeAssetNotionalAmount
Notional Amount
Goodwill, Ending Balance
Goodwill, Beginning Balance
Goodwill, Total
Goodwill
Effective tax rate
Effective Income Tax Rate Reconciliation, Percent, Total
us-gaap_EffectiveIncomeTaxRateContinuingOperations
Stock Options Activity
Taxes
Income Tax Jurisdiction [Axis]
Interest and Fee Income, Loan and Lease, Held-in-Portfolio, Total
Interest and fees on loans
Interest and fees on loans
Real Estate Owned, Transfer to Real Estate Owned
Non-cash transfers from loans to other real estate
Asset-Backed Securities [Member]
Asset-Backed Securities
Asset-backed Securities
Payments for (Proceeds from) Life Insurance Policies, Total
us-gaap_PaymentsForProceedsFromLifeInsurancePolicies
Purchase of life insurance and annuity contracts
Due after ten years, Securities, Available-For-Sale, Amortized Cost
Cash Settled SARS Activity
Cash Settled Stock Appreciation Rights [Member]
Cash Settled Stock Appreciation Rights.
Additional paid-in capital
Represents the 2009 stock option plan.
The 2009 Stock Option Plan [Member]
Issuance of shares of common stock pursuant to dividend reinvestment plan
Summary of Significant Accounting Policies
Nonperforming Financial Instruments [Member]
Nonperforming Financial Instruments
Net gains (losses)
Hedged items
Granted (in shares)
Deposits
us-gaap_DepositsFairValueDisclosure
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Summary of the Components Comprising Basic and Diluted Earnings Per Share
Special Mention
Special Mention [Member]
Fair value, liabilities, transfers between levels 1, 2 and 3
Fair Value Measurement with Unobservable Inputs Reconciliation Recurring Basis Liability Transfers Level 1 2 and 3 Net
Fair value measurement with unobservable inputs reconciliation recurring basis liability transfers level 1,2 and 3 net.
Amortized Cost and Estimated Market Value of Debt Securities by Contractual Maturity
Investments Classified by Contractual Maturity Date [Table Text Block]
Basic earnings per common share (in dollars per share)
Basic earnings per common share
Earnings Per Share, Basic, Total
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed Deposits
Business combination, recognized identifiable assets acquired and liabilities assumed deposits.
Deposits
Deposits
Number of option outstanding
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Outstanding at end of period (in shares)
Options outstanding at beginning of period (in shares)
Loss on sale of fixed assets
Directors’ fees
Payments for (Proceeds from) Loans and Leases
Payments for (Proceeds from) Loans and Leases, Total
Net increase in loans
Servicing Asset at Fair Value, Amount, Ending Balance
Servicing Asset at Fair Value, Amount, Beginning Balance
us-gaap_ServicingAssetAtFairValueAmount
Mortgage servicing rights
Adjustments to reconcile consolidated net income to net cash provided by operating activities
Adjustments to reconcile consolidated net earnings to net cash provided by operating activities
Hedging Designation [Domain]
Income Tax Paid, Federal, after Refund Received
Income Tax Paid, Federal, after Refund Received, Total
Federal
us-gaap_ServicingAssetAtAmortizedValue
Balance at end of period
Balance at beginning of period
Pledging Purpose [Axis]
Interest Income, Deposits with Financial Institutions, Total
Interest on balances held at depository institutions
Federal
Domestic Tax Jurisdiction [Member]
Accounting Standards Update [Axis]
Increase Decrease In Non-Maturing Deposits
Increase decrease in non-maturing deposits.
Net change in deposits - non-maturing
Shareholders’ equity:
Interest income on non-accrual loans
Financing Receivable, Nonaccrual, Interest Income
Summary of Changes in Fair Value Due to Observable Factors
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Entity Small Business
Interest income:
Regulated Operations [Abstract]
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Forfeitures and Expirations, Total
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeituresAndExpirations
Forfeited or expired, shares (in shares)
Hedging Designation [Axis]
Payment Delay
Payment Deferral [Member]
Retained Earnings (Accumulated Deficit), Total
Retained earnings
Retained Earnings (Accumulated Deficit), Total
Financing Receivable, Nonaccrual [Table Text Block]
Schedule of Loans on Nonaccrual Status
Equity Incentive Plans
Share-Based Payment Arrangement [Text Block]
us-gaap_ServicingAssetAtAmortizedValueAdditions
Servicing rights retained from loans sold
Summary of Fair Value Hedge Relationships
Tabular disclosure of fair value hedge relationships.
Summary of Fair Value Hedge Relationships [Table Text Block]
Amendment Flag
Taxable securities
Taxable securities
Contingencies Line Items
Loss Contingencies [Line Items]
Estimated Total Deposits and Other Liabilities Assumed.
Estimated total deposits and other liabilities assumed.
Estimated total deposits and other liabilities assumed
Liabilities and Shareholders’ Equity
Entity Address, Postal Zip Code
us-gaap_NetCashProvidedByUsedInOperatingActivities
NET CASH PROVIDED BY OPERATING ACTIVITIES
Substandard
Substandard [Member]
Common Stock [Member]
Common Stock
Financing Receivable, Nonaccrual, No Allowance
Nonaccrual loans
Proceeds from Sale of Other Productive Assets
Proceeds from sale of other assets
Granted, Weighted Average Exercise Price (in dollars per share)
Hedging Relationship [Domain]
Summary of Company's and Wilson Banks Actual Capital Amounts and Ratios
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block]
Schedule of Amount and Fair Value of Mortgage Banking Derivatives
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]
Debt Securities, Available-for-Sale [Line Items]
us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities
TOTAL ADJUSTMENTS
Loans Receivable [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases, (Sales), Issuances, (Settlements), Total
Purchases, issuances and settlements, net, other liabilities
Portion at Fair Value Measurement [Member] [Default]
Portion at Fair Value Measurement [Member]
Entity Address, Address Line One
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false]
Fair Value Hierarchy and NAV [Axis]
Earnings Per Share [Abstract]
Consumer Portfolio Segment
Consumer Portfolio Segment [Member]
Supplemental disclosure of cash flow information:
Appraisal
Measurement Input, Appraised Value [Member]
Derivative Asset, Total
us-gaap_DerivativeAssets
Estimated Fair Value
Tier 1 capital to average assets actual ratio
Statement of Financial Position Location, Balance [Axis]
Exempt from federal income taxes
Exempt from federal income taxes
Percentage of financing receivables
Schedule of Fair Value of Financial Instruments Measured on a Non-recurring Basis
Fair Value Measurements, Nonrecurring [Table Text Block]
Real Estate Portfolio Segment
Represents real estate portfolio segment.
Real Estate Portfolio Segment [Member]
Available-for-Sale Securities, Total, Fair Value
Unrealized losses
Available-for-Sale Securities, Total, Fair Value
Debt securities, available-for-sale, unrealized loss position
Net Income (Loss) Attributable to Noncontrolling Interest, Total
us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
Net loss (gain) attributable to noncontrolling interest
Net earnings attributable to noncontrolling interest
Prior, charge offs
us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt
Purchases
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax, Total
Change in fair value of securities available-for-sale, net of taxes of $(4,726) and $1,651 for the three months ended March 31, 2025 and 2024, respectively
Change in fair value of securities available-for-sale, net of taxes of $1,492 and $(4,726) for the three months ended March 31, 2026 and 2025, respectively
One month SOFR
One Month Sofr [Member]
One month sofr.
Document Type
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Schedule Of Financial Data Of Reportable Segment [Table Text Block]
Schedule of financial data of reportable segment.
Schedule of Financial Data of Reportable Segment
us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
Loans
Income Taxes Paid, Net
Total taxes
Collaborative Arrangement and Arrangement Other than Collaborative [Axis]
us-gaap_MinorityInterestOwnershipPercentageByParent
Noncontrolling interest, ownership percentage by parent
Commitments to Extend Credit
Commitments to Extend Credit [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Domain]
Entity Central Index Key
Tier 1 capital to average assets well capitalized
Debt Securities, Available-for-Sale [Table Text Block]
Summary of Debt Securities
Investments, Debt and Equity Securities [Abstract]
Interest-Bearing Deposits in Banks and Other Financial Institutions
Interest bearing deposits
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
NET CHANGE IN CASH AND CASH EQUIVALENTS
Commitments and Contingent Liabilities [Table]
Commitments and Contingent Liabilities
Subsequent Event Type [Domain]
Number Of Loans In The Process Of Foreclosure
Number of loans in the process of foreclosure.
Number of loans in the process of foreclosure
Change in unrealized gains/losses included in other comprehensive income for assets and liabilities still held, other assets
Combination Term Extension and Interest Rate Reduction
Extended Maturity and Interest Rate Reduction [Member]
Common stock, par value (in dollars per share)
Accounting Standards Update [Domain]
Schedule of Allowance for Credit Losses on Off-balance-sheet Credit Exposures
Credit Loss, Financial Instrument [Text Block]
us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
Other comprehensive earnings (losses)
Credit card loan balance transferred from portfolio
Credit card loan balance transferred from portfolio.
Common equity Tier 1 capital to risk weighted assets actual amount
Financing Receivable, Credit Quality Indicator [Line Items]
Increase (Decrease) in Other Operating Liabilities, Total
Other liabilities
Amortized Cost
Available-for-sale, amortized cost
Securities, Available-for-sale, Amortized Cost
Available-for-sale, amortized cost
Securities, Available-For-Sale, Estimated Market Value
Available-for-sale securities, fair value
Total investment securities available-for-sale
Securities available-for-sale, fair value (amortized cost $1,122,219 and $1,041,188, respectively)
Number of loans modified to borrowers experiencing financial difficulty.
Loans modified within the twelve months prior
Number of Loans Modified to Borrowers Experiencing Financial Difficulty
Non-interest income:
Divestiture of Wilson Bank Credit Card
Divestiture of Wilson Bank Credit Card [Disclosure Text Block]
Divestiture of wilson bank credit card.
Newly Reserved Shares [Member]
newly reserved shares.
Newly Reserved Shares
Issuance of shares of common stock, shares (in shares)
Exercised (in shares)
Derivative [Table]
Proceeds from Sale, Loan, Held-for-Sale, Total
Proceeds from sale of mortgage loans
Estimated Fair Value
Fair Value
Estimate of Fair Value Measurement [Member]
Derivative, amount
Notional amount
Derivative, notional amount
Financial Instrument Performance Status [Domain]
Increase (Decrease) in Time Deposits, Total
Net change in deposits - time
Ownership [Domain]
Interest on federal funds sold
Current Fiscal Year End Date
Document Quarterly Report
Other operating expenses
Receivables [Abstract]
Fair Value, by Balance Sheet Grouping [Table]
Entity Address, State or Province
Data processing expense
Financial Instrument Performance Status [Axis]
us-gaap_FinancialLiabilitiesFairValueDisclosure
Total liabilities
Total liabilities
us-gaap_ComprehensiveIncomeNetOfTax
Comprehensive earnings attributable to Wilson Bank Holding Company
Securities, Available-for-sale, Gross Unrealized Gains
Common Stock, Capital Shares Reserved for Future Issuance
Shares reserved for issuance
Interest on Federal Home Loan Bank advances
Dilutive effect of stock options, RSUs and PSUs
us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]
us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet
Accrued interest receivable
Internal Credit Assessment [Axis]
Audit, legal & consulting expenses
Stock Issued During Period, Value, Stock Options Exercised
Issuance of shares of common stock pursuant to exercise of stock options, net
US Government Sponsored Entities and Agencies [Member]
U.S. Government Sponsored Entities and Agencies
Related to US government sponsored entities and agencies.
Mortgage Banking Derivatives
Represents information pertaining to mortgage banking derivatives.
Mortgage Banking Derivatives [Member]
Other comprehensive earnings (losses):
Performance Shares [Member]
Performance Share Unit Awards
Deferred income tax asset
Amount of cash inflow from escrow payable, net.
Change in escrow balances
Subsequent Event [Member]
Subsequent Events
Other
Represents other collateral.
Other Collateral [Member]
Interest Expense, Operating
Total interest expense
Interest expense
Fair Value Measurement Inputs and Valuation Techniques [Table]
us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss
Net interest income after provision for credit losses
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Table Text Block]
Schedule of Fair Value Assets Measured At Nonrecurring Basis
Percentage of loans deliverable
Percentage Of Loans Deliverable
Percentage of loans deliverable.
Sales
Common equity Tier 1 capital to risk weighted assets actual ratio
AOCI Attributable to Parent [Member]
Interest expense incurred on all money market and savings account deposits.
Interest on money market and savings accounts
Fair value, assets, transfers between levels 1, 2 and 3
Fair Value Measurement with Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Level 1 2 and 3 Net
Fair value measurement with unobservable inputs reconciliation recurring basis asset transfers level 1,2 and 3 net.
Qualitative and Quantitative Information, Transferor's Continuing Involvement [Table Text Block]
Summary of Principal Balances of Loans
Minimum
Minimum [Member]
Granted, weighted average grant date fair value (in dollars per share)
Financial Instrument [Axis]
Derivative instruments
us-gaap_DerivativeFairValueOfDerivativeAsset
Derivative asset
us-gaap_FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear
Originated prior year
Real Estate
Real Estate [Member]
Other Comprehensive Income (Loss), Tax, Total
us-gaap_OtherComprehensiveIncomeLossTax
Tax effect
Stock issued during period value performance stock units net of forfeitures.
Stock Issued During Period Value Performance Stock Units Net Of Forfeitures
Vesting of performance stock units
Amortization of Intangible Assets
Amortization of core deposit intangibles
Level 3
Fair Value, Inputs, Level 3 [Member]
Models with Significant Unobservable Market Parameters (Level 3) [Member]
Fair Value, Nonrecurring
Fair Value, Nonrecurring [Member]
Segment Reporting [Abstract]
Represents the 2016 equity incentive plan.
The 2016 Equity Incentive Plan [Member]
The 2016 Equity Incentive Plan
Business Combination, Recognized Asset Acquired, Asset
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets, Total
Assets acquired
Schedule of Fair Value of Financial Instruments Measured on a Recurring Basis
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Weighted average interest rate reduction
Purchase and Assumption Agreement [Member]
Purchase and assumption agreement.
Purchase and Assumption Agreement
Gross Unrealized Losses and Fair Value of Investments
Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block]
Schedule of Loans
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Interest expense:
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax, Total
Unrealized gain in value of securities available-for-sale, taxes
Financing Receivable, Modified, Payment Deferral, Period
Weighted-Average Months of Payment Delay
Interest Rate Contracts
Interest Rate Contract [Member]
Financing Receivable Nonaccrual Interest Income Reversed
Financing receivable nonaccrual interest income reversed.
Reversed interest income on non-accrual loans
Commitments and Contingencies
Commitments and contingent liabilities (Note 11)
Non-options outstanding, weighted average exercise price
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
Outstanding, weighted average grant date fair value (in dollars per share)
Outstanding, weighted average grant date fair value (in dollars per share)
Depreciation, Amortization and Accretion, Net, Total
Depreciation and amortization of premises and equipment
Commercial and Multi-Family Real Estate
Represents commercial and multifamily.
Commercial and Multifamily [Member]
Fair Value Measurement Inputs and Valuation Techniques [Abstract]
Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Assets
us-gaap_InterestAndDividendIncomeOperating
Total interest income
Interest income
Forward Contracts [Member]
Restricted equity securities
us-gaap_FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear
Prior
us-gaap_InterestIncomeExpenseNet
Net interest income before provision for credit losses
Transfers and Servicing [Abstract]
Net earnings
Net earnings
Net earnings
Net earnings for the period
Total loans
Loans
Loans, before allowance
Recorded Investment Greater Than 90 Days and Accruing
Recorded Investment in loans Greater Than 89 Days Past Due and Accruing
Fair Value of other real estate owned.
wbhc_OtherRealEstateOwnedFairValueDisclosure
Other real estate owned
Expenses Recognized For Credit Card Points Settlement
Expenses recognized for credit card points settlement.
Expenses recognized for credit card points settlement
Loss Contingencies [Table]
Weighted Average Number of Shares Outstanding, Basic, Total
Weighted average number of common shares outstanding-basic (in shares)
Denominator -- Weighted average number of common shares outstanding
Denominator - Weighted average number of common shares outstanding
Fair value portion of hedged loans.
wbhc_HedgedLoansFairValueDisclosure
Hedged Loans
Document Information [Line Items]
Construction, Land Development and Farmland
Represents construction, land development and farmland.
Construction, Land Development and Farmland [Member]
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Available-for-Sale Securities, 12 Months or More, Unrealized Losses
Segments [Axis]
Asset Pledged as Collateral
Asset Pledged as Collateral [Member]
us-gaap_OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal
Credit loss expense (benefit)
Provision (benefit) for credit losses - off-balance sheet exposures
Subsequent Events
Subsequent Events [Text Block]
us-gaap_LoansReceivableFairValueDisclosure
Loans, net
Tier 1 capital to risk weighted assets actual ratio
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition, Total
Share based compensation expense
Variable Rate [Domain]
Shorter maturity period
The maturity period for financing receivables.
wbhc_FinancingReceivableMaturityPeriod
Stock issued during period shares performance stock units net of forfeitures.
Stock Issued During Period Shares Performance Stock Units Net Of Forfeitures
Vesting of performance stock units (in shares)
Basis of Presentation
Basis of Accounting, Policy [Policy Text Block]
Statement of Stockholders' Equity [Abstract]
Use of Estimates
Use of Estimates, Policy [Policy Text Block]
Internal Credit Assessment [Domain]
Weighted average term extension
Weighted average term extension (Month)
Balance
Balance
Financing Receivable, Allowance for Credit Loss
Less: Allowance for credit losses
Valuation allowance
Fair Value Measurements
Fair Value Disclosures [Text Block]
Collateral dependent loans
Fair value of collateral dependent loans.
wbhc_CollateralDependentLoansFairValueDisclosure
Mortgage Servicing Rights
Transfers and Servicing of Financial Assets [Text Block]
Noncontrolling Interest [Member]
Term Extension
Extended Maturity [Member]
Tier 1 capital to risk well capitalized amount
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]
Non-cash investing and financing activities:
Measurement Input, Discount Rate [Member]
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Banking Regulation, Total Risk-Based Capital, Well Capitalized, Minimum
Total capital to risk weighted assets well capitalized amount
Segment Reporting, Other Segment Item, Amount
Other segment items
Plan Name [Domain]
Increase (Decrease) in Other Operating Assets, Total
us-gaap_IncreaseDecreaseInOtherOperatingAssets
Other assets
Interest and Fee Income, Loan and Lease, Held-for-Sale, Total
Interest on loans held for sale
Interest on loans held for sale
us-gaap_PaymentsForOriginationOfMortgageLoansHeldForSale
Mortgage loans originated for resale
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Weighted-average life (in years)
Tabular disclosure of amortized cost basis of collateral dependent loans.
Schedule of Amortized Cost Basis of Collateral Dependent Loans [Table Text Block]
Schedule of Amortized Cost Basis of Collateral Dependent Loans
Entity [Domain]
Due after ten years, Securities, Available-For-Sale, Estimated Market Value
Credit Facility [Axis]
Loan Restructuring Modification [Axis]
Interest Income And Noninterest Income, Net
Interest income and noninterest income, net.
Segment net interest income and noninterest income
Segment net interest income and noninterest income
us-gaap_FinancingReceivableOriginatedInCurrentFiscalYear
Originated current year
Collateral Held [Axis]
Principal Forgiveness
Principal Forgiveness [Member]
Cash and Due from Banks, Total
Cash and due from banks
Cash and due from banks
Financing Receivable, Past Due [Table Text Block]
Schedule of Age Analysis of Past Due Loans
Regulatory Capital
Regulatory Capital Requirements under Banking Regulations [Text Block]
Entity Address, City or Town
Repurchase of common shares (in shares)
Stock Repurchased During Period, Shares
Number of Reportable Segments
Number of reportable segments
Credit Facility [Domain]
Non-interest expense:
Grant price of award granted under share-based payment arrangement. Excludes share and unit options.
Grant price (in dollars per share)
Common equity Tier 1 capital to risk weighted assets regulatory well capitalized
us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Earnings before income taxes
Savings and money market accounts
Gain (loss) on sale of other assets
Loss on sale of other assets
Pledging Purpose [Domain]
Granted , shares (in shares)
Measurement Input Type [Domain]
Deposits [Abstract]
Deposits:
Summary of Significant Accounting Policies [Table]
Summary of significant accounting policies.
Current
Financial Asset, Not Past Due [Member]
Interest
Measurement Basis [Axis]
Statistical Measurement [Domain]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net, Total
Transfers out of Level 3, other liabilities
Document Period End Date
Fair Value Hierarchy and NAV [Domain]
Options and SARs exercisable at March 31 (in shares)
Options exercisable at March 31 (in shares)
Gain (Loss) on Disposition of Property Plant Equipment, Total
us-gaap_GainLossOnSaleOfPropertyPlantEquipment
Loss on sale of fixed assets
us-gaap_GainLossOnSaleOfMortgageLoans
Gain on sale of loans
Statement of Financial Position [Abstract]
Restricted Share Units
Restricted Stock Units (RSUs) [Member]
Cumulative Effect, Period of Adoption, Adjustment
Cumulative Effect, Period of Adoption, Adjustment [Member]
Gain (loss) on sale of securities
Debt Securities, Available-for-Sale, Realized Gain (Loss), Total
Net realized gain on sale of securities
Financial Asset, Aging [Domain]
us-gaap_Liabilities
Total liabilities
Financial Instruments [Domain]
Schedule of Total Contractual Amount for All Off-balance Sheet Commitments
Schedule of Fair Value, off-Balance-Sheet Risks [Table Text Block]
Total
Collateral Pledged [Member]
Other real estate owned
Interest on Federal funds purchased
Schedule of Loan Portfolio by Risk Rating
Financing Receivable Credit Quality Indicators [Table Text Block]
Financing Receivable, Modified [Table]
Restricted Share Awards
Restricted Stock [Member]
Variable Rate [Axis]
Available-for-Sale Securities, Less than 12 Months, Unrealized Losses, Total
Available-for-Sale Securities, Less than 12 Months, Unrealized Losses
Available-for-Sale Securities, 12 Months or More, Number of Securities Included
Weighted average diluted common shares outstanding
Weighted average number of common shares outstanding-diluted (in shares)
Entity File Number
us-gaap_PaymentsOfDividendsCommonStock
Cash dividends paid on common stock
Net change in fair value of available-for-sale securities during the year, net of taxes
Net change in fair value of available-for-sale securities during the period, net of taxes
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]
Marketing and Advertising Expense, Total
Advertising & public relations expense
Other Assets, Total
Other assets
Accounting Standards Update 2023-07 [Member]
Schedule of Effects of Fair Value Hedge Relationships in Interest Income on Loans in Consolidated Statements of Income
Derivative Instruments, Gain (Loss) [Table Text Block]
Summary of Effects of Fair Value Hedge Relationships in Interest Income on Loans
Cash and cash equivalents summary:
Cash and Cash Equivalent [Abstract]
Measurement Input Type [Axis]
Cumulative Effect, Period of Adoption [Axis]
Total capital to risk weighted assets regulatory minimum capital requirement ratio
Banking Regulation, Total Risk-Based Capital Ratio, Capital Adequacy, Minimum
us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax
Reclassification adjustment for net gains included in net earnings
Financial Asset, Aging [Axis]
Derivative, Gain (Loss) on Derivative, Net, Total
Derivative, Gain (Loss) on Derivative, Net
Interest income
Reconciliation of Assets Segments to Consolidated [Abstract]
Reconciliation of assets segments to consolidated.
Reconciliation of assets
Income on BOLI and annuity contracts
Income On Bank Owned Life Insurance And Annuity Contracts
Income on bank owned life insurance and annuity contracts.
Number of Shares Authorized
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares)
Number of Operating Segments
Number of operating segments
Segment Information
Segment Reporting Disclosure [Text Block]
Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract]
Collateralized Mortgage-Backed Securities [Member]
Mortgage-Backed Securities
Mortgage-backed Securities
Accumulated other comprehensive losses, taxes
Debit and credit card interchange income, net
Standby Letters of Credit
Standby Letters of Credit [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Total
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
Forfeited or expired (in shares)
Represents information regarding Wilson Bank.
Wilson Bank [Member]
Total capital to risk weighted assets regulatory minimum capital requirement well capitalized ratio
Total capital to risk weighted assets regulatory minimum capital requirement well capitalized ratio
Pledged Status [Domain]
Number of security holdings greater than 10% percent of shareholders' equity
Number of Security Holdings Greater than Ten Percent Of Shareholders Equity
Number of security holdings greater than ten percent of shareholders equity.
New Accounting Pronouncements, Policy [Policy Text Block]
Newly Issued Not Yet Effective Accounting Standards
Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]
Summary of Restricted Share Awards and Restricted Share Unit Awards Activity
Amount of interest income earned on the investment in restricted securities.
Interest and dividends on restricted securities
Ownership [Axis]
Business Combination, Recognized Liability Assumed, Liability
Liabilities assumed
Liabilities assumed
Interest and dividends on securities:
Interest And Dividend Income Securities Abstract
Carrying/Notional Amount
Carrying Value
Reported Value Measurement [Member]
The Two Thousand Twenty Five Equity Incentive Plan [Member]
The two thousand twenty five equity incentive plan.
The 2025 Equity Incentive Plan [Member]
The 2025 Equity Incentive Plan [Member]
Reportable segment
Reportable Segment, Aggregation before Other Operating Segment [Member]
Common Stock, Shares, Outstanding, Ending Balance
Common Stock, Shares, Outstanding, Beginning Balance
Common stock, shares outstanding (in shares)
Document Transition Report
Allowance for Credit Losses - Off-Balance-Sheet Credit Exposures
Off-Balance-Sheet Credit Exposure, Policy [Policy Text Block]
Receivable [Domain]
Repurchase of common stock
Payments for Repurchase of Common Stock
Amortization term
The amortization period of financing receivables.
wbhc_FinancingReceivableAmortizationPeriod
us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
Comprehensive earnings
Unrealized Gain
Unrealized Gain (Loss) on Derivatives
Statement of Cash Flows [Abstract]
Weighted Average Grant-Date Fair Value
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
Summary of Stock Options Activity
Brokerage income
Derivative Asset, Statement of Financial Position [Extensible Enumeration]
Interest Rate Swap
Interest Rate Swap [Member]
Accounts and Financing Receivables [Table]
Earnings Per Share
Earnings Per Share [Text Block]
Financing Receivable, Unamortized Loan Cost (Fee) and Purchase Premium (Discount), Total
us-gaap_FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount
Net deferred loan fees
us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
Fair value, other assets
Fair value, other assets
Net earnings attributable to Wilson Bank Holding Company
Numerator - Earnings available to common shareholders
Revolving loans, charge offs
Weighted Average Pay Rate
Income Tax Contingency [Line Items]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases, (Sales), Issuances, (Settlements), Total
Purchases, issuances and settlements, net, other assets
Schedule of Assumptions for Fair Value as of Balance Sheet Date of Assets or Liabilities that relate to Transferor's Continuing Involvement [Table Text Block]
Schedule of Assumptions in Estimating the Fair Value of Mortgage Servicing Rights
Provision for Loan, Lease, and Other Losses, Total
Provision for credit losses
Assets
Assets [Abstract]
Income Tax Authority, Name [Axis]
Document Fiscal Year Focus
Other Assets
Other Assets [Member]
Summary of Significant Accounting Policies [Line Items]
Summary of significant accounting policies.
INVESTING ACTIVITIES
Tier 1 capital to average assets well capitalized ratio (as a percent)
Tier 1 capital to average assets well capitalized ratio
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]
Debt Securities
Gain on Lease Modification
Gain on lease modification.
Gain on lease modification
Gain on lease modification
Originated three years prior year, charge offs
Noncontrolling Interest, Decrease from Deconsolidation
Sale of subsidiary interest
Issuance of common stock related to exercise of stock options
Fair Value Disclosures [Abstract]
Commitments and Contingencies Disclosure [Abstract]
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]
Interest on negotiable order of withdrawal accounts
Derivative Instrument [Axis]
Amount of fees and commissions income, classified as other.
Other fees and commissions
Share-Based Payment Arrangement [Abstract]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Total unrecognized compensation cost
Indicates measurement input for collateral dependent loans.
Collateral dependent loans
us-gaap_AssetsFairValueDisclosure
Total assets
Total assets
Banking Regulation, Regulatory Capital Requirement, Compliance [Table]
Revenues
Total consolidated revenues
us-gaap_NetCashProvidedByUsedInInvestingActivities
NET CASH USED IN INVESTING ACTIVITIES
Pass
Pass [Member]
Schedule of Segment Reporting Information, by Segment [Table]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Interest Rate Reduction
Contractual Interest Rate Reduction [Member]
Derivatives
Derivative Instruments and Hedging Activities Disclosure [Text Block]
Forfeited, weighted average grant date fair value (in dollars per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
OCI, Debt Securities, Available-for-Sale, Gain (Loss), before Adjustment, after Tax
Unrealized gains (losses) on available-for-sale securities
Due after one year through five years, Securities, Available-For-Sale, Amortized Cost
Income Taxes
Income Tax Disclosure [Text Block]
Allowance for credit losses on available-for-sale securities
Debt Securities, Available-for-Sale, Allowance for Credit Loss
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Ending Balance
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Beginning Balance
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Total
Originated prior year, charge offs
Represents mortgage servicing income.
Mortgage servicing income, net
Mortgage servicing income (loss), net
Mortgage servicing income (loss)
Estimated total assets acquired
Estimated Total Assets Acquired
Estimated total assets acquired.
Document Information [Table]
Total capital to risk weighted assets regulatory minimum capital requirement amount
Total capital to risk weighted assets regulatory minimum capital requirement amount
The amount of gain (loss) on the sale of repossessed assets.
wbhc_GainLossOnSaleOfRepossessedAssets
Loss (gain) on sale of other assets
Legal Entity [Axis]
Due after one year through five years, Securities, Available-For-Sale, Estimated Market Value
Change in
Options outstanding, weighted average exercise price
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Outstanding at end of period (in dollars per share)
Options outstanding at beginning of period (in dollars per share)
Encompass Home Lending Investors, LLC [Member]
Encompass Home Lending Investors, LLC [Member]
Encompass Home Lending Investors, LLC.
Time Deposits, Total
Time
Income Tax Disclosure [Abstract]
Tier 1 capital to average assets regulatory minimum capital requirement ratio (as a percent)
Fair Value, Recurring and Nonrecurring [Table]
Unrecognized tax benefits
Unrecognized Tax Benefits, Ending Balance
Unrecognized Tax Benefits, Beginning Balance
us-gaap_UnrecognizedTaxBenefits
Additional Paid-in Capital [Member]
Total capital to risk weighted assets actual ratio
Total capital to risk weighted assets actual ratio
Weighted-average note rate
Weighted average note rate which is used to value residual cash flows generated by financial assets of a securitization, asset-backed financing arrangement, or similar transfer regardless of when the transfer occurred.
Initially Reserved for Issuance [Member]
Initially Reserved for Issuance.
Initially Reserved for Issuance
Measurement Frequency [Domain]
Open tax year
us-gaap_OpenTaxYear
Due in one year or less, Securities, Available-For-Sale, Amortized Cost
Tier 1 capital to risk weighted assets regulatory well capitalized ratio
Subsequent Event Type [Axis]
Non-cash transfers from other real estate to loans
Real Estate Owned, Transfer from Real Estate Owned
Financing receivable, modification amount
Mortgage loans in the process of foreclosure
us-gaap_MortgageLoansInProcessOfForeclosureAmount
Financing Receivable, Allowance for Credit Loss [Table Text Block]
Summary of Transactions in Allowance for Credit Losses
FINANCING ACTIVITIES
Collateralized Mortgage Obligations
Collateralized Mortgage Obligations [Member]
Collateralized Mortgage Obligations [Member]
Fair Value, Recurring
Fair Value, Recurring [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Financing Receivable Portfolio Segment [Domain]
Credit card premium recognized into income
Credit card premium recognized into income.
Premium on credit card portfolio sale
Premium on credit card portfolio sale
Financing Receivable, Modified, Weighted-Average Months of Payment Delay
Financing receivable, modified, weighted-average months of payment delay.
Weighted-Average Months of Payment Delay
Equity Components [Axis]
us-gaap_FinancingReceivableRevolving
Revolving loans
Equity Component [Domain]
Summary of Performance-Based Vesting Restricted Stock Units Activity
Share-Based Payment Arrangement, Activity [Table Text Block]
Commitments and Contingent Liabilities
Commitments and Contingent Liabilities [Line Items]
Commitments and Contingent Liabilities
Forfeiture of Restricted Stock Units
Forfeiture of restricted stock units.
Forfeiture of restricted stock units
Other Real Estate
Other Real Estate, Ending Balance
Other Real Estate, Beginning Balance
Other Real Estate, Total
Other real estate
Bank owned life insurance
Tier 1 capital to risk weighted assets regulatory minimum capital requirement amount
Due after five years through ten years, Securities, Available-For-Sale, Amortized Cost
Originated four years prior year, charge offs
Vesting of restricted stock units (in shares)
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures, Total
Derivative, Fair Value, Net, Total
Derivative, net
Derivative, Fair Value, Net
Derivative net
Derivative, fair value
Derivative, fair value
Interest Expense, Time Deposits, Total
Interest on time deposits
Credit Card Revenue Share
Credit card revenue share
Interest on finance leases operating.
Interest on finance leases
Common equity Tier 1 capital to risk weighted assets well capitalized ratio
us-gaap_ServicingAssetAtAmortizedValueFairValue
Fair value, end of period
us-gaap_NotesReceivableNet
Net loans
Statement of Comprehensive Income [Abstract]
Maximum
Maximum [Member]
Designated as Hedging Instrument
Designated as Hedging Instrument [Member]
Modified loans
Statistical Measurement [Axis]
Exercised, Weighted Average Exercise Price (in dollars per share)
Interest bearing deposits
Amount of interest bearing deposit assets.
Interest bearing deposits
Common stock, $2.00 par value; authorized 50,000,000 shares, issued and outstanding 11,751,947 and 11,686,363 shares, respectively
Common stock, $2.00 par value; authorized 50,000,000 shares, issued and outstanding 12,285,754 and 12,145,641 shares, respectively
Loans
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Loans
Business combination recognized identifiable assets acquired and liabilities assumed loans.
us-gaap_FinanceLeasePrincipalPayments
Repayment of finance lease obligation
Reconciliation between effective tax rate and federal and state income tax statutory rate
Percentage of domestic federal and state statutory tax rate applicable to pretax income (loss).
wbhc_EffectiveIncomeTaxRateReconciliationAtFederalAndStateStatutoryIncomeTaxRatePercent
Originated current year, charge offs
us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
Balance at end of period
Balance at beginning of period
Total shareholders’ equity
Income Tax Contingency [Table]
Wilson Bank Credit Card
Wilson Bank Credit Card [Member]
Wilson bank credit card.
Performance-Based Vesting Restricted Stock Units
Represents performance-based vesting restricted stock units.
Performance-based Vesting Restricted Stock Units [Member]
Income on BOLI and annuity contracts
Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or expired.
Forfeited or expired, weighted average grant date fair value (in dollars per share)
Accrued Liabilities, Total
Accrued interest payable and other liabilities
Payment Delay/Interest Rate Reduction
Payment Delay/Interest Rate Reduction [Member]
Payment Delay/Interest Rate Reduction.
Nature of Business
Disclosure of accounting policy of the nature of the business in which the bank operates that may impact the entity's financial reporting.
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest, Total
us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
Comprehensive earnings attributable to noncontrolling interest
us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1
Derivative designated as hedging instruments
Sum of the carrying amounts as of the balance sheet date of all assets that are recognized that earn interest. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.
wbhc_EarningAssets
Total earning assets
Available-for-Sale Securities, Total, Unrealized Losses
Unrealized losses
Available-for-Sale Securities, Total, Unrealized Losses
Debt securities, available-for-sale, unrealized loss position, accumulated loss
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Interest-Bearing Deposit Liabilities, Total
Interest bearing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Business Combination [Table]
Entity Registrant Name
Accrued or recognized interest or penalties related to uncertain tax positions
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total
us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
Securities, Available-for-sale, Gross Unrealized Losses
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net, Total
Transfers out of Level 3, other assets
Financing receivable, loans modified in period
Financing Receivable, Excluding Accrued Interest, Modified in Period, Amount
Subsequent Events [Abstract]
Percent of mortgage-backed securities
The percent of mortgage backed securities.
wbhc_PercentOfMortgageBackedSecurties
Income Tax Expense (Benefit), Total
Income taxes
Income tax expense
Debt Securities, Available-for-Sale, Gain (Loss)
Debt Securities, Available-for-Sale, Gain (Loss), Total
Loss on sale of securities, net
Gain on sale of securities, net
Ending balance
Beginning balance
Off-Balance-Sheet, Credit Loss, Liability, Ending Balance
Off-balance sheet, credit loss, liability
Measurement Frequency [Axis]
Residential 1-4 Family Real Estate
Represents residential 1-4 family.
Residential 1 to 4 Family [Member]
Repurchase of common shares
Stock Repurchased During Period, Value
Weighted Average Grant-Date Fair Value
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Subsidiary, Ownership Percentage, Noncontrolling Owner
Membership interest sold to noncontrolling members
Entity Common Stock, Shares Outstanding
Interest Rate Lock Commitments
Interest Rate Lock Commitments [Member]
Obligations of States and Political Subdivisions
States and Municipal Securities [Member]
Obligations of States and Political Subdivisions [Member]
Net Income (Loss) Attributable to Parent, Diluted, Total
us-gaap_NetIncomeLossAttributableToParentDiluted
Numerator - Earnings available to common shareholders
Accumulated other comprehensive losses, net of taxes of $33,128 and $31,195 respectively
Accumulated Other Comprehensive Income (Loss), Net of Tax, Total
Accumulated other comprehensive losses, net of taxes of $21,011 and $19,519 respectively
Payments to Acquire Property, Plant, and Equipment, Total
us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Purchase of buildings, leasehold improvements, and equipment
Total assets
Total assets
Assets
Income Tax Paid, State and Local, after Refund Received
Income Tax Paid, State and Local, after Refund Received, Total
State
Class of Financing Receivable [Domain]
Income Statement [Abstract]
Financing Receivable, Past Due [Line Items]
Deferred Income Tax Expense (Benefit), Total
Deferred income tax benefit
Weighted Average
Weighted Average [Member]
Gain (Loss) on Sales of Loans, Net, Total
Gain on sale of loans
Weighted-average discount rate
Tier 1 capital to average assets regulatory minimum capital requirement amount
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
Vested, shares (in shares)
Diluted EPS Computation:
Earnings Per Share, Diluted [Abstract]
Diluted earnings per common share
Earnings Per Share, Diluted, Total
Diluted earnings per common share (in dollars per share)
Term Extension/Interest Rate Reduction
Term Extension/Interest Rate Reduction [Member]
Term Extension/Interest Rate Reduction.
Loans on nonaccrual status
Loans on Nonaccrual Status
Amount of noncash transfer of loans to other assets.
Non-cash transfers from loans to other assets
Commitments
City Area Code
Corporate notes and other [Member]
Corporate notes and other [Member]
Corporate Notes and Other
Corporate Notes and Other [Member]
Provision for credit losses - loans
Provision
us-gaap_Deposits
Total deposits
Total deposits
Financial Asset, Past Due [Member]
Total Non Accrual and Past Due
Business Combination [Line Items]
Fair Value Hedging
Fair Value Hedging [Member]
us-gaap_ServicingAssetAtAmortizedValueAmortization1
Amortization
us-gaap_LoansHeldForSaleFairValueDisclosure
Mortgage loans held for sale
Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]
Segment Reporting Information [Line Items]
us-gaap_DerivativeFairValueOfDerivativeLiability
Derivative instruments
Derivative instruments
Relating to the one month LIBOR.
One Month LIBOR [Member]
Property, Plant and Equipment, Net, Total
Bank premises and equipment, net
us-gaap_CommonEquityTierOneCapitalRequiredForCapitalAdequacy
Common equity Tier 1 capital to risk weighted assets regulatory minimum capital requirement amount
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures, Total
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures
Vesting of restricted stock units
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
CASH AND CASH EQUIVALENTS - END OF PERIOD
CASH AND CASH EQUIVALENTS - BEGINNING OF PERIOD
Retained Earnings [Member]
Share-Based Payment Arrangement, Noncash Expense, Total
Share-based compensation expense
Federal funds sold
Federal funds sold
The amount of cash inflow from proceeds from redemption of annuity contracts.
Redemption of annuity contracts
Other income
Other income
Available-for-Sale Securities, Less than 12 Months, Fair Value
The net amount paid or received by the reporting entity associated with the purchase (sale) of investments (not to include restricted cash) that are pledged or subject to withdrawal restrictions.
wbhc_PaymentsForProceedsFromRestrictedInvestments
Purchases of restricted equity securities
Fair Value, Inputs, Level 1 [Member]
Quoted Market Prices in an Active Market (Level 1) [Member]
us-gaap_NetCashProvidedByUsedInFinancingActivities
NET CASH PROVIDED BY FINANCING ACTIVITIES
Collateral Held [Domain]
Weighted Average Remaining Maturity (Year)
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]
us-gaap_FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear
Originated three years prior year
Commercial, Industrial and Agricultural Portfolio
Represents commercial, industrial and agricultural portfolio.
Commercial, Industrial and Agricultural Portfolio [Member]
This category includes investments in debt securities issued by the United States Department of the Treasury and other US Government Agencies, but not US Government-sponsored Enterprises.
US Treasury and Other US Government Agencies Debt Securities [Member]
U.S. Treasury and Other U.S. Government Agencies [Member]
U.S. Treasury and Other U.S. Government Agencies
Due after five years through ten years, Securities, Available-For-Sale, Estimated Market Value
us-gaap_AlternativeInvestment
Other investments
Marketable Securities [Table Text Block]
Summary of Debt Securities
Derivative Contract [Domain]
Common equity Tier 1 capital to risk weighted assets regulatory minimum capital requirement ratio
FHLMC
Corporate Debt Security
Corporate Debt Securities [Member]
Corporate Bonds
Income Tax Jurisdiction [Domain]
Financing Receivable, Modified [Line Items]
Debt Securities, Available-for-Sale [Table]
Entity Interactive Data Current
Amount of fees and commissions income from depositor accounts.
Service charges on deposit accounts
Fair Value Measurement [Domain]
Valuation Allowance Provision
us-gaap_ServicingAssetAtAmortizedValueValuationAllowance
Valuation allowance provision
OPERATING ACTIVITIES
Share-Based Payment Arrangement, Stock Appreciation Right, Activity [Table Text Block]
Summary of Stock Appreciation Right Activity
Loan Restructuring Modification [Domain]
Net amortization (accretion) of securities
Accretion (Amortization) of Discounts and Premiums, Investments
Total realized gains included in income, other liabilities
Total realized gains (losses) included in income, other liabilities
Total realized gains (losses) included in income related to financial assets and liabilities still on the consolidated balance sheet at September 30
Total capital to risk weighted assets actual amount
Total capital to risk weighted assets actual amount
Originated two years prior year, charge offs
Cash dividends declared, per share (in dollars per share)
Dividends per common share (in dollars per share)
Cumulative Effect, Period of Adoption [Domain]
Entity Tax Identification Number
Furniture and equipment expense
Public Deposits and Other Required Purposes
Represents public deposits and other purposes required by law.
Public Deposits and Other Required Purposes [Member]
Debt instrument, term
us-gaap_DebtInstrumentTerm
Available-for-Sale Securities, Less than 12 Months, Number of Securities Included
Maturities, prepayments and calls
Occupancy expenses, net
Loans and Allowance for Credit Losses
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]
Income Tax Authority, Name [Domain]
Total realized gains included in income, other assets
Total realized gains (losses) included in income, other assets
Total realized gains (losses) included in income related to financial assets and liabilities still on the consolidated balance sheet at September 30
Prepayment speed
Local Phone Number
Schedule of Amounts Recorded on the Balance Sheet Related to Cumulative Basis Adjustments for Fair Value Hedges
Schedule of Fair Value Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]
Financing Receivable, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance, Ending Balance
Financing Receivable, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance, Beginning Balance
Loans held for sale
Encompass Home Lending, LLC
Represents Encompass Home Lending, LLC.
Encompass Home Lending, LLC [Member]
Forfeited, shares (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Forfeitures
Servicing Asset at Amortized Cost [Table Text Block]
Summary of Servicing Asset at Amortized Cost
Federal Deposit Insurance Corporation Premium Expense
FDIC insurance
us-gaap_NoninterestExpense
Total non-interest expense
Financing Receivable, Credit Quality Indicator [Table]
Accounting Policies [Abstract]
Issuance of shares of common stock pursuant to dividend reinvestment plan, shares (in shares)
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract]
Reconciliation of net earnings
Salaries and employee benefits
Number of shares available for grant
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
Weighted-average period of recognized
Entity Emerging Growth Company