75000 - Document - Document and Entity Information
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75010 - Statement - Consolidated Statements of Financial Condition
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75020 - Statement - Consolidated Statements of Financial Condition (Parenthetical)
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75030 - Statement - Consolidated Statements of Income
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75040 - Statement - Consolidated Statements of Income (Parenthetical)
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75050 - Statement - Consolidated Statements of Comprehensive Income (Unaudited)
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75060 - Statement - Consolidated Statements of Stockholders' Equity
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75070 - Statement - Consolidated Statements of Stockholders' Equity (Parenthetical)
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75080 - Statement - Consolidated Statements of Cash Flows
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995455 - Disclosure - Basis of Presentation and Significant Accounting Policies and Estimates
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995465 - Disclosure - New Accounting Standards
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995475 - Disclosure - Investment Securities
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995485 - Disclosure - Loans and Allowance for Credit Losses
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995495 - Disclosure - Deposits
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995505 - Disclosure - Earnings per Share
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995515 - Disclosure - Commitments to Extend Credit and Other Obligations
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995525 - Disclosure - Stock-based Compensation
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995535 - Disclosure - Fair Value of Financial Instruments
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995545 - Disclosure - Treasury Stock and Repurchases to Authorized and Unissued
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995555 - Disclosure - Other Comprehensive Income (Loss)
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995565 - Disclosure - Basis of Presentation and Significant Accounting Policies and Estimates (Policies)
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995575 - Disclosure - Investment Securities (Tables)
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995585 - Disclosure - Loans and Allowance for Credit Losses (Tables)
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995595 - Disclosure - Deposits (Tables)
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995605 - Disclosure - Earnings per Share (Tables)
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995615 - Disclosure - Commitments to Extend Credit and Other Obligations (Tables)
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995625 - Disclosure - Stock-based Compensation (Tables)
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995635 - Disclosure - Fair Value of Financial Instruments (Tables)
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995645 - Disclosure - Other Comprehensive Income (Loss) (Tables)
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995655 - Disclosure - Basis of Presentation and Significant Accounting Policies and Estimates (Narrative) (Details)
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995665 - Disclosure - Investment Securities (Narrative) (Details)
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995675 - Disclosure - Investment Securities (Amortized Cost and Fair Value of Securities) (Details)
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995685 - Disclosure - Investment Securities (Investment in Debt Securities Gross Unrealized Loss) (Details)
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995695 - Disclosure - Investment Securities (Scheduled Contractual Maturities Debt Securities) (Details)
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995705 - Disclosure - Loans and Allowance for Loan Losses (Narrative) (Details)
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995715 - Disclosure - Loans and Allowance for Credit Losses (Schedule of Loan by Segment) (Details)
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995725 - Disclosure - Loans and Allowance for Credit Losses (Schedule of Loan by Segment) (Parenthetical) (Details)
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995735 - Disclosure - Loans and Allowance for Credit Losses (Summary of Activity in Allowance for Credit Losses) (Details)
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995745 - Disclosure - Loans and Allowance for Credit Losses (Allowance for Loan and Lease Losses Prior to Adoption of ASC 326) (Details)
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995755 - Disclosure - Loans and Allowance for Credit Losses (Allowance for Loan and Lease Losses Prior to Adoption of ASC 326 II) (Details)
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995765 - Disclosure - Loans and Allowance for Credit Losses (Schedule of Activity in Allowance for Credit Losses on Unfunded Loan Commitments) (Details)
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995775 - Disclosure - Loans and Allowance for Credit Losses (Schedule of Non-accrual by Loan Segment) (Details)
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995785 - Disclosure - Loans and Allowance for Credit Losses - Schedule of Non-accrual by Loan Segment (Parenthetical) (Details)
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995795 - Disclosure - Loans and Allowance for Credit Losses (Analysis of Past Due Loans and Non-Accruing Loans) (Details)
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995805 - Disclosure - Loans and Allowance for Credit Losses - Analysis of Past Due Loans and Non-Accruing Loans (Parenthetical) (Details)
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995815 - Disclosure - Loans and Allowance for Credit Losses (Schedule of Amortized Cost of Collateral-Dependent Loans by Loan Segment) (Details)
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995825 - Disclosure - Loans and Allowance for Loan Losses (Summary of Information Pertaining to Impaired Loans ) (Details)
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995835 - Disclosure - Loans and Allowance for Loan Losses (Gross Loans by Credit Quality Indicator by Origination Year) (Details)
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995845 - Disclosure - Loans and Allowance for Loan Losses (Summary of Loans Classified as TDRs) (Details)
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995855 - Disclosure - Deposits - Schedule of Deposits (Details)
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995865 - Disclosure - Deposits (Narrative) (Details)
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995875 - Disclosure - Earnings per Share (Narrative) (Details)
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995885 - Disclosure - Earnings Per Share (Calculated Basic and Diluted Earnings Per Share) (Details)
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995895 - Disclosure - Commitments to Extend Credit and Other Obligations (Details)
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995905 - Disclosure - Stock-based Compensation (Narrative) (Details)
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995905 - Disclosure - Stock-based Compensation (Narrative) (Details) [Default]
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995915 - Disclosure - Stock-based Compensation (Summary of Status of Stock Option Plan) (Details)
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995925 - Disclosure - Stock-based Compensation (Schedule of Unvested Restricted Stock Activity) (Details)
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995935 - Disclosure - Stock-based Compensation (Schedule of Awards Granted ) (Details)
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995945 - Disclosure - Fair Value of Financial Instruments (Narrative) (Details)
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995955 - Disclosure - Fair Value of Financial Instruments (Fair Value of Assets Measured on Recurring Basis) (Details)
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995965 - Disclosure - Fair Value of Financial Instruments (Assets Measured at Fair Value on Nonrecurring Basis) (Details)
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995975 - Disclosure - Fair Value of Financial Instruments (Additional Quantitative Information About Assets Measured at Fair Value) (Details)
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995985 - Disclosure - Fair Value of Financial Instruments (Carrying Amount and Estimated Fair Value of Financial Instruments) (Details)
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995995 - Disclosure - Treasury Stock and Repurchases to Authorized and Unissued (Details)
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996005 - Disclosure - Other Comprehensive Income (Loss) (Tax Effects Allocated to Single Component of Other Comprehensive Income (Loss)) (Details)
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996015 - Disclosure - Other Comprehensive Income (Loss) (Tax Effects Allocated to Single Component of Other Comprehensive Income (Loss)) (Details) 2
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996025 - Disclosure - Other Comprehensive Income (Loss) (Reclassification Out of Accumulated Other Comprehensive Loss) (Details)
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996035 - Disclosure - Subsequent Events (Narrative) (Details)
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Compensation cost
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost
Share-Based Payment Arrangement, Expensed and Capitalized, Amount, Total
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff
Current period gross chargeoffs, 2024
Other securities - Fair Value
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Fair Value
Scenario [Axis]
Cumulative Effect, Period of Adoption, Adjustment [Member]
Cumulative Effect Period Of Adoption Adjustment [Member]
Amortized cost basis of loans, experiencing financial difficulty and modified
Financing Receivable, Modifications, Post-Modification Outstanding Recorded Investment
Number of loans modified, payment default
Number of securities in unrealized losses less than twelve months category
Funded for limited partnership investment
Payments for (Proceeds from) Limited Partnership
Financial Asset, Current Due [Member]
Financial Asset Not Past Due [Member]
12 Months or More, Gross Unrealized Losses
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss
Preferred Stock, Shares Issued
Preferred stock, Shares Issued
Foreclosed real estate acquired in settlement of loans
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Acquisition Through Foreclosure
Unearned shares held by ESOP
Unearned Esop Shares Cost
Cost of unearned shares that qualify as permanent equity that are held by an employee stock ownership plan (ESOP).
Organizational Structure [Policy Text Block]
Organizational Structure.
Organizational Structure
Long-Term Line of Credit
Long-Term Line of Credit, Total
Overdraft protection
Other [Member]
Other Collateral [Member]
Other collateral.
Commitment to Fund Limited Partnership Investment [Member]
Commitment to fund limited partnership investment.
Commitment to Fund Limited Partnership Investment [Member]
Schedule of Non-accrual by Loan Segment
Financing Receivable, Nonaccrual [Table Text Block]
Add Co-Borrower/Guarantor [Member]
Add Co Borrower Guarantor [Member]
Add Co-Borrower/Guarantor [Member]
Commitments and Contingencies
Diluted weighted average shares outstanding
Weighted Average Number of Shares Outstanding, Diluted
Measurement input direct disposal costs
Measurement Input Direct Disposal Costs [Member]
Measurement Input, Direct Disposal Costs [Member]
Minimum [Member]
Minimum [Member]
Financing Receivable Revolving Writeoff
Current period gross charge-offs, Revolving Loans
Preferred Stock, Shares Outstanding
Preferred Stock, Shares Outstanding, Ending Balance
Preferred Stock, Shares Outstanding, Beginning Balance
Preferred stock, shares outstanding
Investment, Name [Axis]
Deposits
Interest Expense, Domestic Deposits
Interest Expense, Domestic Deposits, Total
Cash dividends paid
Payments of Ordinary Dividends, Common Stock
Fair Value, Recurring [Member]
Fair Value Measurements Recurring [Member]
Percentage of Awards Vesting
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage
Common Stock, Shares Issued
Common stock issued
Provision for income tax expense
Income Tax Expense
Income Tax Expense (Benefit)
Income Tax Expense (Benefit), Total
Municipal Bonds [Member]
Municipal Bonds [Member]
Loans and Allowance for Credit Losses
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]
Other Commitments [Table]
Postage and supplies
Supplies and Postage Expense
Supplies and Postage Expense, Total
After one year through five years - Fair Value
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value
Telephone and communications
Communication
ESOP, shares earned
E S O P Shares Earned
Number of ESOP shares earned during the period
Class of Financing Receivable [Axis]
Increase (Decrease) in Deposits
Increase (Decrease) in Deposits, Total
Net increase in deposits
Government National Mortgage Association [Member]
Government National Mortgage Association Certificates And Obligations G N M A [Member]
Amortized Cost
Available-for-sale Debt Securities, Amortized Cost Basis
Subsequent Event Type [Domain]
Expired
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Expirations in Period
Asset Backed Securities Private Label Member
Asset-Backed Securities - Private label [Member]
Asset Backed Securities Private Label [Member]
Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease)
Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease), Total
Increase in ACL for loans
Deferred loan costs
Gross Loans Receivable Deferred Loan Costs
Gross loans receivable deferred loan costs.
Asset-backed Securities [Member]
Asset Backed Securities [Member]
ESOP, number of unallocated shares
Employee Stock Ownership Plan (ESOP), Number of Suspense Shares
Income Tax Paid, Federal, after Refund Received
Income Tax Paid, Federal, after Refund Received, Total
Income taxes paid (U.S. Federal)
Federal reserve bank of philadelphia.
Federal Reserve Bank Of Philadelphia [Member]
Federal Reserve Bank Of Philadelphia [Member]
Stock exchange ratio
Stock exchange ratio.
Exchange ratio
Payments for (Proceeds from) Loans and Leases
Payments for (Proceeds from) Loans and Leases, Total
Loan principal collections and origination, net
Common Stock Repurchase Program [Member]
Pusuant To Publicly Announced Common Stock Program [Member]
Pursuant To Publicly Announced Common Stock Program
Consolidated Statements of Income [Abstract]
Stock options granted, intrinsic value
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In period Intrinsic Value
Share based compensation arrangement by share based payment award options grants in period intrinsic value.
Allowance for Credit Losses [Abstract]
Remaining number of shares authorized to be repurchased under stock repurchase program
Share Repurchase Program, Remaining Authorized, Number of Shares
Comprehensive Income Note [Text Block]
Other Comprehensive Income (Loss)
Loan Restructuring Modification [Axis]
Granted, Fair Value
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period Grant Date Fair Value
Share-based compensation arrangement by share-based payment award, options, grants in period grant date fair value.
Forfeited
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Reclassification out of Accumulated Other Comprehensive Loss [Member]
Reclassification Out Of Accumulated Other Comprehensive Income [Member]
Reclassification out of Accumulated Other Comprehensive Income [Axis]
2006 Stock Option Plan [Member]
Stock Option Plan [Member]
Stock Option Plan
Subsequent Events
Subsequent Events, Policy [Policy Text Block]
Vesting [Axis]
Earnings Per Common Share: Basic
Earnings per share: Basic
Basic earnings per common share
Earnings Per Share, Basic, Total
Document Period End Date
Other
Other Noninterest Expense
O 2025 Q2 Dividends [Member]
O 2025 Q2 Dividends.
Share-based payment award expiration period
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period
Advances from borrowers for taxes and insurance
Advance Payments by Borrowers for Taxes and Insurance
Additions to premises and equipment
Payments To Acquire Property, Plant, and Equipment
Payments to Acquire Property, Plant, and Equipment, Total
Granted, Weighted Average Exercise Price
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Equity securities common stock shares owned
Common stock shares owned
Common stock outstanding
Common Stock, Shares Authorized
Consolidated Statements of Stockholders' Equity [Abstract]
Debt Securities [Member]
Debt Securities Available for Sale [Member]
Debt Securities [Member]
Interest-Bearing Domestic Deposit, Savings
Savings accounts
O 2026 Q2 Dividends [Member]
O 2026 Q2 Dividends
Award requisite service period
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period
Gross Loans Receivable
Loans Receivable
Total gross loans
Total Loans
Financing Receivable, before Allowance for Credit Loss, Ending Balance
Financing Receivable, before Allowance for Credit Loss, Beginning Balance
Investment securities, taxable
Interest Income, Securities, Taxable
Reclassification out of Accumulated Other Comprehensive Income [Domain]
Reclassification Out Of Accumulated Other Comprehensive Income [Domain]
Federal Home Loan Mortgage Corporation [Member]
Federal Home Loan Mortgage Corporation Certificates And Obligations F H L M C [Member]
Dividends [Domain]
Average commercial real estate portfolio segment
Average Commercial Real Estate Portfolio Segment [Member]
Real Estate Loans: Average Commercial [Member]
Other Comprehensive Income (Loss) [Abstract]
Home Equity [Member]
Real Estate Loans: Home Equity [Member]
Other comprehensive income (loss), net of tax
Other comprehensive Income (Loss), net of tax expense (benefit)
Other comprehensive income, net of tax expense
Total Other Comprehensive (Loss) Income
New Accounting Standards
New Accounting Pronouncements and Changes in Accounting Principles [Text Block]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Schedule of Treasury Stock by Class [Text Block]
Treasury Stock and Repurchases to Authorized and Unissued
Financial assets: Federal Home Loan Bank stock
Investment in Federal Home Loan Bank Stock, Fair Value Disclosure
Provision For Credit Losses
Provision for credit losses.
Provision for Credit Losses
Tax Effects Allocated to Single Component of Other Comprehensive Income (Loss)
Schedule of Comprehensive Income (Loss) [Table Text Block]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Options Outstanding, Intrinsic Value
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value
Options Outstanding at end of period, Intrinsic Value
Options Outstanding at beginning of period, Intrinsic Value
Total Assets
Assets
Title of 12(b) Security
Loans pledged as collateral
Loan Pledged As Collateral
Loan Pledged As Collateral
Preferred stock, $0.01 par value per share, 10,000,000 shares authorized at June 30, 2026 and December 31, 2025; no shares issued or outstanding at June 30, 2026 or December 31, 2025
Preferred Stock, Value, Issued
Paid Off In Full [Member]
Paid Off In Full [Member]
Paid Off In Full [Member]
Payments for Repurchase of Common Stock
Purchase of treasury stock
Shares of common stock repurchased on vesting for payroll taxes
Unvested shares outstanding at beginning of year
Unvested shares outstanding at end of period
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Stock Issued During Period, Value, Stock Options Exercised
Exercise of 2012 EIP stock options
Government Agencies Debt Securities GNMA Member
Government National Mortgage Association [Member]
Government Agencies Debt Securities Gnma [Member]
Granted
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross
Stock options granted, Shares
Title of Individual [Domain]
Title Of Individual With Relationship To Entity [Domain]
Deposits, Savings Deposits
Savings deposits
Antidilutive Securities, Name [Domain]
Antidilutive Securities Name [Domain]
Interest paid
Interest Paid, Net
Bank owned life insurance
Financial assets:Bank-owned life insurance, Carrying Amount
Bank-owned life insurance
Common stock repurchased on vesting for payroll taxes
Treasury Stock, Value, Acquired, Cost Method
Compensation plan shares earned
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value, Earned Shares
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value, Earned Shares
Interest Expense, Operating
Total Interest Expense
Class of Treasury Stock [Table]
Bank Owned Life Insurance Income
Increase in cash surrender value of bank-owned life insurance
Increase in cash surrender value of bank-owned life insurance
Earnings on bank-owned life insurance
Number of loans modified, subsequent default
Financing Receivable, Modified, Number of Contracts, Subsequent Default
Financing Receivable, Modified, Number of Contracts, Subsequent Default
Investment securities, tax-exempt
Interest Income, Securities, Tax Exempt
Beginning Balance
Ending Balance
Stockholders' equity
Total Stockholders' Equity
Stockholders' Equity Attributable to Parent
Valuation Technique [Domain]
Valuation Technique [Domain]
Treasury Stock, Common [Member]
Treasury Stock [Member]
Real Estate Loans Including One To Four Family Construction Loans [Member]
Real Estate Loans Including One To Four Family Construction Loans [Member]
Real Estate Loans: One-to Four-Family [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Schedule of Amortized Cost of Collateral-Dependent Loans by Loan Segment
Schedule of Collateral-Dependent Loans by Loan Segment [Table Text Block]
Schedule of Collateral-Dependent Loans by Loan Segment [Table Text Block]
Net amortization of deferred loan costs
Amortization of Deferred Loan Origination Fees, Net
Carrying Amount and Estimated Fair Value of Financial Instruments
Fair Value, by Balance Sheet Grouping [Table Text Block]
Earnings per Share
Earnings Per Share [Text Block]
Financial liabilities: Long-term debt
Long-term Debt, Fair Value
Less than one year- Fair Value
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value
Number of loans modified
Financing Receivable, Modifications, Number of Contracts, To Date
Financing Receivable, Modifications, Number of Contracts, To Date
Weighted Average [Member]
Weighted Average [Member]
Foreclosed real estate
Foreclosed real estate property
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]
Reclassification Out of Accumulated Other Comprehensive Loss
Less: reclassification adjustments related to: Recovery on previously impaired investment securities included in net income, before tax
Other Comprehensive Income, Recovery on Previously Impaired Investment Securities Included in Net Income, Before Tax
Other Comprehensive Income, Recovery on Previously Impaired Investment Securities Included in Net Income, Before Tax
Less: reclassification adjustments related to: Recovery on previously impaired investment securities included in net income, before tax
Basis of Accounting, Policy [Policy Text Block]
Basis of Presentation
Mortgage Servicing Rights [Member]
Mortgage Servicing Rights [Member]
Mortgage Servicing Rights [Member]
MHC [Member]
Lake Shore Mhc [Member]
Lake Shore, MHC [Member]
Financial liabilities: Long-term debt, Carrying Amount
Long-Term Debt
Long-Term Debt, Total
Long-term debt
Equity Incentive Compensation 2012 and 2025 [Member]
Equity incentive compensation 2012 and 2025.
2012 and 2025 Equity Incentive Plan [Member]
Proceeds from Life Insurance Policy
Proceeds from surrender of bank-owned life insurance
Financing Receivable, Collectively Evaluated for Credit Loss
Gross Loans Receivable: Ending balance: collectively evaluated
Other Loans: Commercial [Member]
Commercial Portfolio Segment [Member]
Repayment of long-term debt
Repayments of Long-term Debt
Repayments of Long-Term Debt, Total
Gross Unrealized Gains
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax
Financial Asset, Period Past Due [Domain]
Financing Receivables Period Past Due [Domain]
Restricted Stock [Member]
Restricted Stock [Member]
Vested, Weighted Average Grant Price
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
Proceeds from Stock Options Exercised
Proceeds from stock options exercised
Other
Noninterest Income, Other Operating Income
Increase in weighted average shares outstanding due to: Stock options
Incremental Common Shares Attributable to Call Options and Warrants
Deposit Liabilities Disclosures [Text Block]
Deposits
Weighted Average Rate Domestic Deposit, Demand
Weighted Average Rate - Demand deposits: Interest bearing
Available for sale securities sold
Debt Securities, Available-for-sale, Sold at Par Value
Less than one year- Amortized Cost
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis
Statistical Measurement [Axis]
Fair Value
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value
Fair value in an unrealized loss position
Entity Interactive Data Current
(Credit) provision for loan losses
(Credit) Provision for Credit Losses
Provision (credit)
Financing Receivable, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]
Common Stock, Value, Issued
Common stock, $0.01 par value per share, 40,000,000 shares authorized at June 30, 2026 and December 31, 2025; 7,863,818 shares issued and outstanding at June 30, 2026, including 84,829 unvested shares, and 7,836,100 shares issued and outstanding at December 31, 2025, including 80,094 unvested shares
Calculated Basic and Diluted Earnings Per Share
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
U S Government Agencies Debt Securities [Member]
U.S. Government Agencies [Member]
Government Agencies Debt Securities FHLMC Member
Federal Home Loan Mortgage Corporation [Member]
Government Agencies Debt Securities Fhlmc [Member]
Weighted Average Rate Domestic Deposit, Savings
Weighted Average Rate - Savings accounts
Stock Repurchase Program Termination Date
Stock repurchase program termination date.
Stock repurchase program termination date
Total Liabilities
Liabilities
Share-Based Payment Arrangement, Tranche Two [Member]
March 18, 2026 [Member]
ESOP, stock purchase price
Employee Stock Ownership Plan (ESOP), Stock Purchase Price
Employee Stock Ownership Plan (ESOP), Stock Purchase Price
Product and Service [Axis]
Retained earnings
Retained Earnings (Accumulated Deficit)
Retained Earnings (Accumulated Deficit), Total
Financial liabilities: Deposits
Deposits, Fair Value Disclosure
Significant Unobservable Inputs (Level 3) [Member]
Fair Value Inputs Level3 [Member]
Bank owned life insurance fair value disclosure
Bank Owned Life Insurance Fair Value Disclosure
Financial assests: Bank owned life insurance
Gain (Loss) on Disposition of Property Plant Equipment
Gain (Loss) on Disposition of Property Plant Equipment, Total
Loss on disposal of premises and equipment
Financial assets: Cash and cash equivalents
Cash and Cash Equivalents, Fair Value Disclosure
Pass [Member]
Pass [Member]
Equity Method Investment, Ownership Percentage
Equity method investment, ownership percentage
Common stock outstanding percentage
Dividends Declared Per Share
Cash dividends declared, value per share
Dividends declared per share
Number of stock-based compensation plans
Number Of Stock-Based Compensation Plans
Number Of Stock-Based Compensation Plans
Vesting [Domain]
Vesting [Domain]
Fair Value Measurement Inputs and Valuation Techniques [Table]
Vesting period
Stock option award vesting period
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period
Common stock per share
Shares Issued, Price Per Share
ESOP, shares acquired
Employee Stock Ownership Plan (ESOP), Shares Contributed to ESOP
Financing Receivable Year Two Originated Fiscal Year Before Current Fiscal Year Writeoff
Current period gross charge-offs, 2023
Impact of CECL Adoption
Off-Balance-Sheet, Credit Loss, Liability, Change in Method, Credit Loss Expense (Reversal)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Repossessed assets
Repossessed Assets
Repossessed Assets, Total
Granted, Fair Value of Options Remaining Contractual Life
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants, Weighted Average Remaining Contractual Term Grant Date Fair Value
Share-based compensation arrangement by share-based payment award, options, grants, weighted average remaining contractual term grant date fair value.
Unrealized gain (loss) on equity securities
Equity Securities, FV-NI, Unrealized Gain (Loss)
Equity Securities, FV-NI, Unrealized Gain (Loss), Total
Unrealized gain on equity securities
Gain on equity securities
Other Comprehensive Income (Loss), before Tax
Total Other Comprehensive Income (Loss), before tax
Unpaid principal balance, with no related allowance
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance
Equity Securities, FV-NI, Unrealized Gain
Unrealized gain on equity securities
Payments to Acquire Federal Home Loan Bank Stock
Purchases of Federal Home Loan Bank of New York Stock
Financing Receivable, Year One, Originated, Current Fiscal Year
Originated in current year
Standby Letters of Credit [Member]
Commercial and Standby Letters of Credit [Member]
Fair Value Hierarchy and NAV [Axis]
Debt Securities, Available-for-Sale, Term
After one year through five years - Amortized Cost
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Amortized Cost Basis
Financing Receivable Year Three Originated Two Years Before Current Fiscal Year Writeoff
Current period gross charge-offs, 2022
ESOP, loan amount
Employee Stock Ownership Plan (ESOP), Debt Structure, Direct Loan, Amount
Salaries and employee benefits
Labor and Related Expense
Fair Value
Debt Securities, Available-for-sale
Expenses relating to offering
Payments of Stock Issuance Costs
Data processing
Information Technology and Data Processing
Unvested shares outstanding at beginning of year, Weighted Average Grant Price
Unvested shares outstanding at end of period, Weighted Average Grant Price
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Share Repurchase Program [Axis]
Financial assets: Accrued interest receivable
Other Assets, Fair Value Disclosure
Noninterest-Bearing Domestic Deposit, Demand
Demand deposits: Non-interest bearing
Special Mention [Member]
Special Mention [Member]
Total Liabilities and Stockholders' Equity
Liabilities and Stockholders' Equity
One-to-Four Family Residential Property [Member]
One To Four Family Residential Property [Member]
one- to four-family residential property.
Document Fiscal Period Focus
Financial assets: Loans receivable, net, Carrying Amount
Financing Receivable, after Allowance for Credit Loss
Loans receivable, net
Loans receivable, net of allowance for credit losses of $4,747 in 2026 and $4,884 in 2025
Financial liabilities: Short-term borrowings, Carrying Amount
Short-term borrowings
Short-term Debt
Short-Term Debt, Total
Schedule of Awards Granted
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value [Table Text Block]
Common stock unvested shares
Common Stock Unvested Shares
Common Stock Unvested Shares
Title and Position [Axis]
Financial Asset, Past Due [Member]
Financial Asset Past Due [Member]
Interest income recognized, with no related allowance
Impaired Financing Receivable, with No Related Allowance, Interest Income, Cash Basis Method
Federal National Mortgage Association [Member]
Federal National Mortgage Association Certificates And Obligations F N M A [Member]
Sale of Stock [Axis]
Prior
Financing Receivable, Originated, More than Five Years before Current Fiscal Year
Increase (Decrease) in Accrued Interest Receivable, Net
Decrease (increase) in accrued interest receivable
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Reclassification Adjustments, Net of Tax
OCI, Debt Securities, Available-for-Sale, Gain (Loss), before Adjustment, after Tax, Total
Net unrealized gains (losses) on securities available for sale arising during the year, net of tax
Land [Member]
Land Collateral [Member]
Land collateral.
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability
Commitments to extend credit and other obligations
Entity Current Reporting Status
Use of Estimates, Policy [Policy Text Block]
Use of Estimates
Interest Income
Interest and Dividend Income, Operating [Abstract]
Options exercisable at end of period
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value Inputs Level1 [Member]
Financial Instrument [Axis]
Mortgage servicing rights
Fair Value Estimate
Assets, Fair Value Disclosure
Assets, Fair Value Disclosure, Total
Financing Receivable, Credit Quality Indicator [Table]
Document Transition Report
Gross Unrealized Losses
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss, Total
ESOP, fair value of unallocated shares
Employee Stock Ownership Plan (ESOP), Deferred Shares, Fair Value
Commitments to Extend Credit [Abstract]
Subsequent Event [Line Items]
Finance lease and other
Interest Expenses Finance Lease And Other
Interest expenses finance lease and other.
Accounting Standards Update [Domain]
Deposits: Interest bearing
Interest-bearing Deposit Liabilities, Domestic
Interest-Bearing Deposit Liabilities, Domestic, Total
Unrecognized compensation cost related to awards
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options
Stock-based Compensation [Abstract]
Residential Properties
Residential Real Estate [Member]
Residential Real Estate [Member]
Depreciation Premises and Equipment
Depreciation and amortization of premises and equipment
Common Stock [Member]
Common Stock [Member]
New Accounting Standards [Abstract]
Accounting Standards Update [Axis]
Range [Domain]
Range [Member]
Financial assets: Securities
Fair Value
Securities
Marketable Securities, Total
Securities available for sale, at fair value
Non-Interest Expense
Noninterest Expense [Abstract]
Real Estate Loans: Commercial [Member]
Commercial Real Estate Portfolio Segment [Member]
Options Outstanding at end of period, Remaining Contractual Life
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Remaining Contractual Term
Equity Securities, FV-NI, Gain (Loss)
Equity Securities, FV-NI, Gain (Loss), Total
Gain on equity securities
Financing receivable modified number of contracts payment default.
Financing Receivable Modified Number of Contracts Payment Default
Number of loans modified, payment default
Stockholders' Equity
Stockholders' Equity Attributable to Parent [Abstract]
Denominator: Basic weighted average shares outstanding
Weighted Average Number of Shares Outstanding, Basic
Weighted Average Number of Shares Outstanding, Basic, Total
Assets
Assets [Abstract]
Financing Receivable, Allowance for Credit Loss, Collectively Evaluated
Allowance for Credit Loss: Ending balance: collectively evaluated
Loan Restructuring Modification [Domain]
Loan Restructuring Modification [Domain]
Entity Central Index Key
Antidilutive Securities [Axis]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value
Options Exercisable, Intrinsic Value
Real Estate Loans: One-to-Four Family [Member]
Residential Portfolio Segment [Member]
Activity in debt securities: Maturities, prepayments and calls
Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities
Interest-bearing Deposits in Banks and Other Financial Institutions
Interest-earning deposits
Current Fiscal Year End Date
Asset Backed Securities Government Sponsored Entities Member
Asset-Backed Securities - Government sponsored entities [Member]
Asset Backed Securities Government Sponsored Entities [Member]
Document Quarterly Report
Document Quarterly Report
Collateralized Mortgage Obligations - Government Sponsored Entities [Member]
Mortgage Backed Securities Issued By U S Government Sponsored Enterprises [Member]
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage
Percentage of Total Class of Financing Receivable
Income tax expense associated with the recovery on previously impaired investment securities included in net income.
Other Comprehensive Income, Recovery on Previously Impaired Investment Securities Included in Net Income, Tax
reclassification adjustments related to: Recovery on previously impaired investment securities included in net income, tax benefit (expense)
Less: reclassification adjustments related to: Recovery on previously impaired investment securities included in net income, tax benefit (expense)
Recorded investment, with no related allowance
Impaired Financing Receivable, with No Related Allowance, Recorded Investment
Significant Other Observable Inputs (Level 2) [Member]
Fair Value Inputs Level2 [Member]
Stock options outstanding weighted average exercise price
Outstanding at beginning of year, Weighted Average Exercise Price
Outstanding at end of period, Weighted Average Exercise Price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Service charges and fees
Service charges and fees.
Mortgage loans in process of foreclosure
Mortgage Loans In Process Of Foreclosure Amount
Measurement Input, Servicing Costs [Member]
Measurement Input Servicing Costs [Member]
Measurement Input, Servicing Costs [Member]
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation
Net Cash Provided by Operating Activities
Entity Incorporation, State or Country Code
Earnings Per Common Share: Diluted
Earnings per share: Diluted
Earnings per share: Diluted
Earnings Per Share, Diluted, Total
Allowance for Loan Losses [Line Items]
Preferred stock, par value
Preferred Stock, Par or Stated Value Per Share
Numerator- net income
Net Income
Weighted Average Rate Domestic Deposit, Money Market
Weighted Average Rate - Money market accounts
Unearned Shares Held by ESOP [Member]
Unearned Shares Held By Esop [Member]
Unearned Shares Held by ESOP [Member]
Financial Asset, 90 Days or More Past Due [Member]
Financing Receivables Equal To Greater Than90 Days Past Due [Member]
Increase in other assets
Increase (Decrease) in Other Operating Assets
Increase (Decrease) in Other Operating Assets, Total
Commitments and Contingencies Disclosure [Text Block]
Commitments to Extend Credit and Other Obligations
Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivables30 To59 Days Past Due [Member]
Collateral Dependent Loans
Collateral Dependent Loans [Member]
Collateral Dependent Loans [Member]
Weighted Average Rate, Interest-Bearing Domestic Deposits, Point in Time
Weighted Average Rate on Total Deposits
Other Comprehensive Income (Loss), Tax
Other comprehensive Income (loss), tax expense (benefit)
Total Other Comprehensive Income (Loss), tax benefit (expense)
Total Other Comprehensive Income (Loss), tax benefit (expense)
Increase Decrease In Annuity Asset
Increase decrease in annuity asset.
Increase in annuity asset
Increase in annuity assets
Total Non-accrual
Financing Receivable, Recorded Investment, Nonaccrual Status
Non accrual loans
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Total Comprehensive Income
Investment, Type [Extensible Enumeration]
After ten years - Fair Value
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value
Measurement Frequency [Domain]
Fair Value Measurement Frequency [Domain]
Scenario, Unspecified [Domain]
Scenario Unspecified [Domain]
Foreclosed real estate
Real Estate Acquired Through Foreclosure with Additional Provision
Real Estate Acquired Through Foreclosure with Additional Provision
Statement, Equity Components [Axis]
ESOP compensation expense
ESOP shares committed to be released
Employee Stock Ownership Plan (ESOP), Compensation Expense
CASH FLOWS FROM INVESTING ACTIVITIES
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]
Cash and due from banks
Cash and due from Banks
Cash and Due from Banks, Total
Other Commitments [Line Items]
Consolidated Statements of Cash Flows [Abstract]
Fair Value, Measurements, Fair Value Hierarchy [Domain]
Fair Value Measurements Fair Value Hierarchy [Domain]
Castle Creek Launchpad Fund II (SBIC) Limited Partnership [Member]
Castle creek launchpad fund II (sbic) limited partnership.
Castle Creek Launchpad Fund II (SBIC) LP [Member]
Unused Lines Of Credit [Member]
Unfunded Commitments to Fund Loans and Lines of Credit [Member]
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Exercised, Weighted Average Exercise Price
Granted, Fair Value of Options Weighted Average Excerise Price
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
After five years through ten years - Amortized Cost
Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Amortized Cost Basis
Schedule of Investments [Line Items]
Less than 12 Months, Gross Unrealized Losses
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss
Investment, Issuer Name [Domain]
Fair Value of Financial Instruments
Fair Value Disclosures [Text Block]
Assets Measured at Fair Value on Nonrecurring Basis
Fair Value Measurements, Nonrecurring [Table Text Block]
Other Accounts Payable and Accrued Liabilities
Other liabilities and accrued interest payable
Balance, ending
Allowance for credit losses on loans
Allowance for credit losses
Balance, beginning
Financing Receivable, Allowance for Credit Loss
Total Deposits
Financial liabilities: Deposits, Carrying Amount
Deposits
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year
Originated in one year before latest fiscal year
Preferred Stock, Shares Authorized
Preferred stock, shares authorized
Weighted Average Rate - Time deposits
Weighted Average Rate Domestic Deposit, Time Deposits
ESOP, reduction to stockholders' equity from purchased shares
Employee Stock Ownership Plan (ESOP), Reduction To Stockholders' Equity From Purchased Shares
Employee Stock Ownership Plan (ESOP), Reduction To Stockholders' Equity From Purchased Shares
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax
Unrealized holding (losses) gains on securities available for sale, net of tax benefit (expense)
Securities Pledged As Collateral Agreement With Federal Home Loan Bank of New YorK [Member]
Securities Pledged As Collateral Agreement With Federal Home Loan Bank of New YorK [Member]
Securities Pledged As Collateral Agreement With Federal Home Loan Bank of New YorK.
Antidilutive securities excluded from computation of earnings per share
Antidilutive Securities Excluded from Computation of Earnings Per Share
Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivables60 To89 Days Past Due [Member]
Deferred loan costs
Net deferred loan costs
Financing Receivable, Unamortized Loan Cost (Fee) and Purchase Premium (Discount)
Financing Receivable, Unamortized Loan Cost (Fee) and Purchase Premium (Discount), Total
Interest-Bearing Domestic Deposit, Money Market
Money market accounts
Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Loss [Member]
Stock awards available for grant, shares
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant
Mortgage-backed securities [Member]
Mortgage Backed Securities [Member]
Construction Loans [Member]
Construction Loans [Member]
Real Estate Loans: Construction - Commercial [Member]
ESOP, number of allocated shares
Employee Stock Ownership Plan (ESOP), Number of Allocated Shares
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other Comprehensive (Loss) Income, net of tax benefit (expense):
Total Non-Interest Income
Noninterest Income
Financial assets: Accrued interest receivable, Carrying Amount
Accrued interest receivable
Interest Receivable
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price
Forfeited, Weighted Average Exercise Price
Treasury stock transferred to fund awards granted
Stock Issued During Period, Shares, Treasury Stock Reissued
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding at beginning of year
Outstanding at end of period
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year
Originated in four years before latest fiscal year
Gross Unrealized Losses
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax
Document Type
Compensation plan shares forfeited
Stock Issued During Period, Shares, Share-based Compensation, Forfeited
Charge-offs
Financing Receivable, Allowance for Credit Losses, Write-downs
Current period gross charge-offs, Total
CASH FLOWS FROM OPERATING ACTIVITIES
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]
Liabilities and Stockholders' Equity
Liabilities and Stockholders' Equity [Abstract]
Cumulative Effect, Period of Adoption [Domain]
Cumulative Effect Period Of Adoption [Domain]
Subsequent Event [Member]
Subsequent Event [Member]
Accounting Standards Update [Extensible Enumeration]
Summary of Activity in Allowance for Credit Losses
Allowance for Credit Losses on Financing Receivables [Table Text Block]
Number of Stock Awards
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted
Internal Credit Assessment [Axis]
Increase in the reserve for finance receivables
Increase (Decrease) in Finance Receivables
Recoveries
Financing Receivable, Allowance for Credit Losses, Recovery
Financing Receivable, Nonaccrual [Table]
Cash dividends declared
Dividends, Common Stock, Cash
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year
Originated in two years before latest fiscal year
Fair Value by Asset Class [Domain]
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation By Asset Class [Domain]
Entity File Number
Provision for Loan, Lease, and Other Losses, Total
Provision for Loan, Lease, and Other Losses
(Credit) Provision for Credit Losses
Provision for credit losses
Government Agencies Debt Securities FNMA Member
Federal National Mortgage Association [Member]
Government Agencies Debt Securities Fnma [Member]
Location, Statement of Income, Balance [Axis]
Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block]
Basis of Presentation and Significant Accounting Policies and Estimates
Dividends Payable, Date of Record
Dividends payable, date of record
Retained Earnings [Member]
Retained Earnings [Member]
Investment Securities
Investment in Debt and Equity Securities and Other Trading Assets [Text Block]
Securities Pledged As Collateral Agreement With Federal Reserve Bank [Member]
Securities Pledged As Collateral Agreement With Federal Reserve Bank [Member]
Securities pledged as collateral agreement with Federal Reserve Bank.
Number of construction loans
Number of construction loans.
Entity Registrant Name
Schedule of Earnings per Share, Basic, by Common Class, Including Two Class Method [Table]
Substandard [Member]
Substandard [Member]
Foreclosed Real Estate [Member]
Foreclosed Real Estate [Member]
Foreclosed Real Estate [Member]
Repurchased shares of common stock average cost per share
Treasury Stock Acquired, Average Cost Per Share
Employee [Member].
Employee [Member]
Employee [Member]
Financial assets: Mortgage Servicing Rights
Servicing Asset at Fair Value, Amount
Servicing Asset at Fair Value, Amount, Beginning Balance
Servicing Asset at Fair Value, Amount, Ending Balance
Other Loans: Consumer [Member]
Consumer Portfolio Segment [Member]
Real Estate Loans: Consumer [Member]
Share-based payment award expiration date
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Date
Financing receivable term
Financing Receivable, Term
Financing Receivable, Term
Entity Address, Address Line One
Loss [Member]
Unlikely To Be Collected Financing Receivable [Member]
Demand deposits: Interest bearing
Interest-Bearing Domestic Deposit, Demand
Exercised
Stock options exercised, shares
Stock options exercised
Exercise of 2012 EIP stock options, Shares
Revolving Loans
Financing Receivable, Revolving
Interest Income, Deposits with Financial Institutions
Interest Income, Deposits with Financial Institutions, Total
Interest-earning deposits
Long-term debt
Interest Expense, Federal Home Loan Bank and Federal Reserve Bank Advances, Long-term
Options exercisable at end of period, Weighted Average Exercise Price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price
Fair Value Measurements, Recurring and Nonrecurring [Table]
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Amortized Cost Basis
Other securities - Amortized Cost
Accounting Standards Update 2016-13 [Member]
ASU 2016-13
Increase (Decrease) in Operating Liabilities
Increase (Decrease) in Operating Liabilities, Total
Increase in other liabilities
Real Estate Loans [Member]
Real Estate Portfolio Segment [Member]
Real Estate Portfolio Segment [Member]
SUPPLEMENTARY CASH FLOWS INFORMATION
Supplemental Cash Flow Information [Abstract]
Schedule of Loan by Segment
Schedule of Loans Receivable, Net
Deferred Income Tax Expense (Benefit), Total
Deferred Income Tax Expense (Benefit)
Deferred income tax benefit
Entity Small Business
Other Commitments [Domain]
Other Commitments [Domain]
Investment, Name [Domain]
Net Interest Income
Interest Income (Expense), Operating
O2024 Q3 Dividends.
O2024 Q3 Dividends [Member]
Forfeited, Weighted average Grant Price
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Expired, Weighted Average Exercise Price
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price
Change in Accounting Principle, Accounting Standards Update, Adoption Date
Change in accounting principle, accounting standards update, adoption date
Other assets
Other assets Standard Label
Other Assets, Total
Shares of common stock repurchased at average cost
Common stock repurchased on vesting for payroll taxes, shares
Treasury Stock, Shares Acquired
Other Commitments [Axis]
Earnings per Share [Abstract]
Accrued interest receivable on available-for-sale debt securities
Financing Receivable, Accrued Interest, after Allowance for Credit Loss
Summary of Status of Stock Option Plan
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
Investment, Issuer Name [Axis]
Schedule of Activity in Allowance for Credit Losses on Unfunded Loan Commitments
Schedule of Activity in Allowance for Credit Losses on Unfunded Loan Commitments [Table Text Block]
Schedule of Activity in Allowance for Credit Losses on Unfunded Loan Commitments [Table Text Block]
Unearned Shares Held by Compensation Plans [Member]
Deferred Compensation Share Based Payments [Member]
Plan Name [Axis]
Two Thousand Six Employee Stock Ownership Plan [Member]
Two thousand six employee stock ownership plan.
2006 Employee Stock Ownership Plan [Member]
Subsequent Event Type [Axis]
Financing Receivable Credit Quality Indicators [Table Text Block]
Gross Loans by Credit Quality Indicator by Origination Year
Treasury Stock [Abstract]
Product and Service [Domain]
Products And Services [Domain]
Measurement Frequency [Axis]
Loans, including fees
Interest and Fee Income, Financing Receivable
Interest and Fee Income, Loans and Leases, Total
CASH FLOWS FROM FINANCING ACTIVITIES
Net Cash Provided By (Used In) Financing Activties [Abstract]
Analysis of Past Due Loans and Non-Accruing Loans
Past Due Financing Receivables [Table Text Block]
Financial liabilities: Accrued interest payable, Carrying Amount
Interest Payable
Stock Forfeitures [Member]
Stock Forfeitures [Member]
Stock Forfeitures [Member]
Beginning Balance
Ending Balance
Off-Balance-Sheet, Credit Loss, Liability
Off-balance sheet allowance for credit loss
Liabilities
Liabilities [Abstract]
Total Interest Income
Interest and Dividend Income, Operating
Entity Tax Identification Number
Collateral-Dependent [Member]
Collateral Pledged [Member]
Treasury Stock, Common, Shares
Conversion of common stock held
Valuation Approach and Technique [Axis]
Equity, Class of Treasury Stock [Line Items]
Equity Component [Domain]
Equity Component [Domain]
Securities Pledged As Collateral For Customer Deposits [Member]
Securitiespledged As Collateral For Customer Deposits [Member]
Securities Pledged As Collateral For Customer Deposits [Member]
Proceeds from Sale of Federal Home Loan Bank Stock
Redemptions of Federal Home Loan Bank of New York Stock
Entity Address, City or Town
Measurement Input Type [Domain]
Measurement Input Type [Domain]
Occupancy and equipment
Occupancy, Net
Valuation Technique, Discounted Cash Flow [Member]
Valuation Technique Discounted Cash Flow [Member]
Entity Common Stock, Shares Outstanding
Scheduled Contractual Maturities of Debt Securities
Investments Classified by Contractual Maturity Date [Table Text Block]
Summary of Information Pertaining to Impaired Loans
Impaired Financing Receivables [Table Text Block]
Net (decrease) increase in advances from borrowers for taxes and insurance
The net increase/(decrease) in accumulated prepayments received by financial institutions from borrowers for taxes (for example, property taxes) and insurance (for example, property and catastrophe) which will periodically be remitted to the appropriate tax authority or insurer (or insurance agency) on behalf of the borrower.
Net increase (decrease) in advances from borrowers for taxes and insurance
Commercial Real Estate [Member]
Commercial Real Estate [Member]
Employee Stock Ownership Plan (ESOP), Debt Structure, Direct Loan, Employer Cash Payments Used for Debt Service
ESOP balance paid off and refinanced
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax
Reclassification adjustments related to: Loss on sale of securities included in net income, net of tax expense
Net loss on sale of securities included in net income, net of tax benefit
Net loss on sale of securities included in net income, net of tax benefit
Reclassification adjustments related to: Loss on sale of securities included in net income, net of tax expense
Entity [Domain]
Financing Receivable, Nonaccrual [Line Items]
Impairment or Observable Price Adjustments of Investments
Impairment or observable price adjustments of investments.
Impairment or observable price adjustments of investments
Measurement Input, Estimated Life Of Loans [Member]
Measurement Input Estimated Life Of Loans [Member]
Measurement Input, Estimated Life Of Loans [Member]
Stock Offering Member
Stock Offering.
Stock Offering [Member]
Statement [Table]
Collateralized Mortgage Obligations - Private Label [Member]
Mortgage Backed Securities Issued By Private Enterprises [Member]
Share-based compensation expense
Allocated Share-based Compensation Expense
Income before Income Taxes
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest
Entity Shell Company
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation
Net Cash Used In Investing Activities
Statement [Line Items]
Collateral [Axis]
Accrued interest on loans
Net Investment in Lease, Accrued Interest, after Allowance for Credit Loss
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Vested
Share-based compensation number of stock shares vested
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period
Maximum [Member]
Maximum [Member]
Deposits: Non-interest bearing
Noninterest-bearing Deposit Liabilities, Domestic
Noninterest-Bearing Deposit Liabilities, Domestic, Total
Interest Income (Expense), after Provision for Loan Loss
Net Interest Income After Provision for Credit Losses
Measurement Input, Servicing Fees [Member]
Measurement Input Servicing Fees [Member]
Measurement Input, Servicing Fees [Member]
Activity in debt securities: Sales
Proceeds from Sale of Debt Securities, Available-for-Sale
Sale of Stock [Domain]
Investment owned, at cost
Investment Owned, at Cost
Lake Shore Bancorp [Member]
Lake Shore Bancorp [Member]
Lake Shore Bancorp [Member]
Equity Incentive Compensation 2025 [Member]
Equity Incentive Compensation 2025.
2025 Equity Incentive Plan [Member]
90 Days or More Past Due and Accruing
Financing Receivable, 90 Days or More Past Due, Still Accruing
Noninterest Expense
Total Non-Interest Expense
Compensation plan shares forfeited
Stock Issued During Period, Value, Share-based Compensation, Forfeited
Potential Limited Partnership Investment Commitment
Potential limited partnership investment commitment.
Potential limited partnership investment commitment
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect
Net Increase in Cash and Cash Equivalents
Subsequent Events [Abstract]
Asset Class [Axis]
Investment Securities [Abstract]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value per Share of Award on Grant Date
Granted, Weighted Average Grant Price
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Financing Receivable Portfolio Segment [Axis]
Financial assets: Loans receivable, net
Loans Receivable, Fair Value Disclosure
Document Fiscal Year Focus
Net Unrealized Losses on Securities Available for Sale [Member]
Accumulated Net Unrealized Investment Gain Loss [Member]
Net amortization of investment securities
Accretion (Amortization) of Discounts and Premiums, Investments
Net Investment in Lease, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]
Common Stock, Shares, Outstanding, Beginning Balance
Common Stock, Shares, Outstanding, Ending Balance
Common Stock, Shares Outstanding
Outstanding common stock
Common stock outstanding
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax
Less: reclassification adjustments related to: Loss on sale of securities included in net income, before tax
Loss on sale of securities included in net income
Financial Instruments [Domain]
Transfers And Servicing Of Financial Instruments Types Of Financial Instruments [Domain]
Consolidated Statements of Comprehensive (Loss) Income [Abstract]
Collateral [Domain]
Collateral [Domain]
Unfunded Loan Commitment [Member]
Unfunded Loan Commitment [Member]
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Reclassification Adjustments and Tax
OCI, Debt Securities, Available-for-Sale, Gain (Loss), before Adjustment and Tax, Total
Net unrealized gains (losses) on securities available for sale arising during the period, before tax
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]
Change in accounting principle, accounting standards update, adopted
Financing Receivable, Past Due [Line Items]
Stock based compensation expense
Stock or Unit Option Plan Expense
Less than 12 Months, Fair Value
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value
Treasury Stock, Value
Treasury Stock, Value, Total
Treasury stock, at cost (1,077,342 shares at June 30, 2025 and 1,101,288 shares at December 31, 2024)
Treasury at cost
Additional paid-in capital
Additional Paid in Capital, Common Stock
Additional Paid in Capital, Common Stock, Total
Security Exchange Name
Measurement Input Type [Axis]
Financial liabilities: Accrued interest payable
Accounts Payable and Accrued Liabilities, Fair Value Disclosure
Accounts Payable and Accrued Liabilities, Fair Value Disclosure, Total
Impaired financing receivable, related allowance
Related allowance
Impaired Financing Receivable, Related Allowance
Recovery on previously impaired investment securities
Recovery on previously impaired investment securities
Recovery on previously impaired investment securities
Recovery on previously impaired investment securities
Earnings per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Entity Address, State or Province
Unrecognized compensation cost, recognition period
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition
Schedule of Fair Value, Off-balance Sheet Risks [Table Text Block]
Outstanding Commitments to Extend Credit and Other Obligations
Share-based compensation number of shares authorized
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized
Investment in Debt Securities Gross Unrealized Loss
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Table Text Block]
Amendment Flag
Financial Asset, Period Past Due [Axis]
Stock-based Compensation
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
Other Comprehensive Income Loss Reclassification Adjustment For Recovery On Previously Impaired Investments Included In Net Income Net Of Tax
Other Comprehensive Income Loss Reclassification Adjustment For Recovery On Previously Impaired Investments Included In Net Income Net Of Tax
Recovery on previously impaired investment securities included in net income, net of tax expense
Reclassification adjustments related to: Recovery on previously impaired investment securities included in net income, net of tax expense
Advertising
Marketing and Advertising Expense
Marketing and Advertising Expense, Total
Non-Interest Income
Noninterest Income [Abstract]
CASH AND CASH EQUIVALENTS - BEGINNING
CASH AND CASH EQUIVALENTS - ENDING
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Total
Financing Receivable, Past Due [Table]
Financing Receivable Portfolio Segment [Domain]
Financing Receivable Portfolio Segment [Domain]
Financing Receivable, Allowance for Credit Loss, Individually Evaluated
Allowance for Credit Loss: Ending balance: individually evaluated
Stock repurchase program maximum percentage
Stock Repurchase Program Maximum Percentage
Stock repurchase program maximum percentage.
City Area Code
Non-accrual with no Allowance for Credit Losses
Financing Receivable, Nonaccrual, No Allowance
Internal Credit Assessment [Domain]
Internal Credit Assessment [Domain]
Compensation plan shares earned
Compensation Plan Shares Earned
Compensation Plan Shares Earned
Unrealized gain (loss) on securities available for sale
Unrealized Gain (Loss) on Securities Available for Sale
Unrealized (loss) gain on securities available for sale
Non-Employee Directors [Member]
Non Employee Directors [Member]
Non Employee Directors [Member]
Fair Value of Assets Measured on Recurring Basis
Basis of Presentation and Significant Accounting Policies and Estimates [Abstract]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Financing Receivable Recorded Investment Class Of Financing Receivable [Domain]
Class of Financing Receivable, Type [Domain]
Financial assets: Federal Home Loan Bank stock, Carrying Amount
Federal Home Loan Bank stock, at cost
Federal Home Loan Bank Stock
Gross proceeds
Proceeds from Issuance of Common Stock
Proceeds from common stock
Treasury stock transferred, average cost per share
Treasury Stock Reissued, Average Cost Per Share
Treasury Stock Reissued, Average Cost Per Share
Accounts and Financing Receivables [Table]
Average recorded investment, with no related allowance
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment
Amortized Cost and Fair Value of Securities
Unrealized Gain (Loss) on Investments [Table Text Block]
Schedule of Investments [Table]
Financing Receivable, Individually Evaluated for Credit Loss
Gross Loans Receivable: Ending balance: individually evaluated
Combination Term Extension and Add Co-Borrower [Member]
Combination Term Extension And Add Co Borrower [Member]
Combination Term Extension and Add Co-Borrower [Member]
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions
Number of securities in unrealized losses
Financing Receivable, Credit Quality Indicator [Line Items]
Earnings On Annuity Assets
Earnings on annuity assets.
Earnings on annuity assets
Proceeds from sale of shares
Proceeds from Sale of Equity Securities, FV-NI
Past Due or on Non-accrual [Member]
Financial Asset Past Due Or On Nonaccrual [Member]
Financial Asset, Past Due or on Nonaccrual [Member]
Compensation plan shares granted
Stock Granted, Value, Share-based Compensation, Gross
Dividends Payable, Date to be Paid
Dividends payable, date of paid
Ending balance: Gross Loans Receivable
Gross Loans Receivable Carrying Amount
Gross loans receivable carrying amount.
Business Assets [Member]
Business Assets Collateral [Member]
Business assets collateral.
Common stock par value per share
Common Stock, Par or Stated Value Per Share
Legal Entity [Axis]
Summary of Loans Classified as TDRs
Troubled Debt Restructurings on Financing Receivables [Table Text Block]
Options Exercisable at end of period, Remaining Contractual Life
Granted, Fair Value of Options
Share-Based Compensation Arrangement by Share-Based Payment Award, Options Grants in Period, Value Grant Date Fair Value
Share-based compensation arrangement by share-based payment award, options grants in period, value grant date fair value.
Trading Symbol
Fair value measurement unobservable inputs
Debt Securities, Available-for-sale, Measurement Input
Share Repurchase Program [Domain]
Share Repurchase Program [Domain]
Unearned shares held by compensation plans
Deferred Compensation Equity
Mortgage servicing rights
Financial assets: Mortgage Servicing Rights, Carrying Amount
Servicing Asset
Servicing Asset, Total
Subsequent Event [Table]
Schedule of Impaired Financing Receivable [Table]
Granted
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Entity Emerging Growth Company
Dividends Payable, Date Declared
Dividends payable, date of declared
Additional Paid-In Capital [Member]
Additional Paid In Capital [Member]
Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal)
Provision for credit losses
Dividends [Axis]
Number of securities in unrealized losses twelve months or more category
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Greater than or Equal to One Year
Loans and Allowance for Credit Losses [Abstract]
Compensation plan shares granted
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture, Total
Number of real estate loans
Mortgage Loans on Real Estate, Number of Loans
Plan Name [Domain]
Plan Name [Domain]
After ten years - Amortized Cost
Available-for-sale Securities, Debt Maturities, after Ten Years, Amortized Cost Basis
Share Based Compensation Award Tranche One [Member]
March 18, 2026 [Member]
Investment in limited partnership
Payments to Acquire Limited Partnership Interests
Deposits [Abstract]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value
Exercised, Intrinsic Value
SUPPLEMENTARY SCHEDULE OF NONCASH INVESTING AND FINANCING ACTIVITIES
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Document and Entity Information [Abstract]
Employee Stock Ownership Plan "ESOP" [Member]
Employee Stock Ownership Plan [Member]
Employee Stock Ownership Plan [Member]
Debit card fees
Debit card fees.
Additional Quantitative Information About Assets Measured at Fair Value
Fair Value Inputs, Assets, Quantitative Information [Table Text Block]
Financing Receivable, Impaired [Line Items]
Schedule of Unvested Restricted Stock Activity
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]
Professional Fees
Professional services
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income (Loss), Net of Tax
Accumulated Other Comprehensive Income (Loss), Net of Tax, Total
Interest income not recognized on non-accrual loans
Loans Receivable Impaired Interest Income on Nonaccrual Loans
Loans receivable impaired interest income on nonaccrual loans.
Deposit Liabilities, Type [Table Text Block]
Schedule of Deposits
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract]
Adjustments to reconcile net income to net cash provided by operating activities:
Financing Receivable, Allowance for Credit Loss [Table]
Fair Value of Financial Instruments [Abstract]
Financial assets: Cash and cash equivalents, Carrying Amount
Cash and Cash Equivalents
Cash and Cash Equivalent
Valuation Technique Appraisal of Collateral [Member]
Valuation Technique Appraisal of Collateral [Member]
Valuation Technique, Appraisal of Collateral [Member]
Equity Securities [Member]
Equity Securities [Member]
Reclassification out of Accumulated Other Comprehensive Income [Table]
After five years through ten years - Fair Value
Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Fair Value
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax
Less: reclassification adjustments related to: Loss on sale of securities included in net income, tax benefit (expense)
Less: reclassification adjustments related to: Loss on sale of securities included in net income, tax benefit (expense)
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation
Net Cash Provided by Financing Activities
Time deposits
Interest-Bearing Domestic Deposit, Time Deposits
Interest-Bearing Domestic Deposit, Time Deposits, Total
2012 Equity Incentive Plan [Member]
Equity Incentive Compensation2012 [Member]
Equity Incentive Compensation - 2012 [Member]
Net unrealized (losses) gains on securities available for sale arising during the year, tax benefit
Other Comprehensive Income (Loss), Available-for-sale Securities, before Reclassification Adjustments, Tax
OCI, Debt Securities, Available-for-Sale, Gain (Loss), before Adjustment, Tax, Total
Net unrealized gains (losses) on securities available for sale arising during the year, tax benefit (expense)
Net unrealized gains (losses) on securities available for sale arising during the year, tax benefit (expense)
Fair Value, Nonrecurring [Member]
Fair Value Measurements Nonrecurring [Member]
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff
Current period gross charge-offs, 2020
Interest Rate Swap [Member]
Interest Rate Swap [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period
Forfeited
Entity Filer Category
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff
Current period gross charge-offs, 2021
Interest Expense
Interest Expense, Operating and Nonoperating [Abstract]
Premises and equipment, net
Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization
Property, Plant and Equipment, Net, Total
Investment owned, at fair value
Investment Owned, at Fair Value
Investment Owned, Fair Value, Beginning Balance
Investment Owned, Fair Value, Ending Balance
12 Months or More, Fair Value
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value
Investment owned balance, positions
Investment Owned Balance, Positions
Balance held at close of period in number of positions.
Cumulative Effect, Period of Adoption [Axis]
Unallocated Financing Receivables [Member]
Other Loans: Unallocated [Member]
Financing Receivable, Troubled Debt Restructuring [Table]
FDIC insurance
Federal Deposit Insurance Corporation Premium Expense
Commitments to Grant Loans [Member]
Commitments To Extend Credit [Member]
ESOP shares earned
Amortization of ESOP Award
ESOP balance of the loan
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year
Originated in three years before latest fiscal year
Entity Address, Postal Zip Code
Consolidated Statements of Financial Condition [Abstract]
Finance Lease, Principal Payments
Repayment of finance lease obligation
Local Phone Number