v3.25.2
Fair Value of Assets and Liabilities (Fair Value, by Balance Sheet Grouping) (Details) - USD ($)
Jun. 30, 2025
Dec. 31, 2024
Jun. 30, 2024
Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Financial assets: Cash and cash equivalents, Fair Value Disclosure $ 53,045,000 $ 72,339,000    
Financial assets: Loans receivable, net, Fair Value Disclosure 1,758,620,000 1,687,128,000    
Financial assets: Mortgage servicing rights, Fair Value Disclosure 638,000 575,000    
Financial assets: Regulatory stock, Fair Value Disclosure 7,538,000 13,366,000    
Financial assets: Bank owned life insurance, Fair Value Disclosure 46,099,000 46,657,000    
Financial assets: Accrued interest receivable, Fair Value Disclosure 8,642,000 8,466,000    
Financial liabilities: Deposits, Fair Value Disclosure 1,933,904,000 1,788,123,000    
Financial liabilities: Short-term borrowings, Fair Value Disclosure 26,500,000 113,069,000    
Financial liabilities: Other borrowings, Fair Value Disclosure 85,455,000 102,220,000    
Financial liabilities: Accrued interest payable, Fair Value Disclosure 10,975,000 12,615,000    
Financial assets: Cash and cash equivalents 53,045,000 72,339,000 $ 69,395,000 $ 66,120,000
Financial assets: Loans receivable, net 1,769,666,000 1,693,795,000    
Financial assets: Mortgage servicing rights 205,000 199,000    
Financial assets: Regulatory stock 7,538,000 13,366,000    
Financial assets: Bank owned life insurance 46,099,000 46,657,000    
Financial assets: Accrued interest receivable 8,642,000 8,466,000    
Financial liabilities: Deposits 1,997,834,000 1,859,163,000    
Financial liabilities: Short-term borrowings 26,500,000 113,069,000    
Financial liabilities: Other borrowings 85,350,000 101,793,000    
Financial liabilities: Accrued interest payable 10,975,000 12,615,000    
Fair Value, Inputs, Level 1 [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Financial assets: Cash and cash equivalents, Fair Value Disclosure 53,045,000 72,339,000    
Financial assets: Regulatory stock, Fair Value Disclosure 7,538,000 13,366,000    
Financial assets: Bank owned life insurance, Fair Value Disclosure 46,099,000 46,657,000    
Financial assets: Accrued interest receivable, Fair Value Disclosure 8,642,000 8,466,000    
Financial liabilities: Deposits, Fair Value Disclosure 1,119,178,000 1,023,619,000    
Financial liabilities: Short-term borrowings, Fair Value Disclosure 26,500,000 113,069,000    
Financial liabilities: Accrued interest payable, Fair Value Disclosure 10,975,000 12,615,000    
Level 3 [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Financial assets: Loans receivable, net, Fair Value Disclosure 1,758,620,000 1,687,128,000    
Financial assets: Mortgage servicing rights, Fair Value Disclosure 638,000 575,000    
Financial liabilities: Deposits, Fair Value Disclosure 814,726,000 764,504,000    
Financial liabilities: Other borrowings, Fair Value Disclosure $ 85,455,000 $ 102,220,000