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Loans Receivable and Allowance for Credit Losses (Allowance for Credit Losses and Recorded Investment in Financing Receivables) (Details) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Financing Receivable, Allowance for Credit Loss [Line Items]    
Beginning balance, $ 18,968,000 $ 16,999,000
Charge Offs (1,949,000) (6,208,000)
Recoveries 278,000 130,000
Provision for credit losses 2,546,000 5,581,000
Ending balance, 19,843,000 18,968,000
Ending balance individually evaluated for impairment 659,000 135,000
Ending balance collectively evaluated for impairment 19,184,000 18,833,000
Residential Real Estate Loans [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Beginning balance, 1,351,000 2,833,000
Charge Offs   (34,000)
Recoveries 41,000 6,000
Provision for credit losses (246,000) 91,000
Ending balance, 1,146,000 1,351,000
Ending balance individually evaluated for impairment 4,000  
Ending balance collectively evaluated for impairment 1,142,000 1,351,000
Commercial Real Estate Loans [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Beginning balance, 11,871,000 8,293,000
Charge Offs   (154,000)
Recoveries 110,000 15,000
Provision for credit losses (575,000) (1,810,000)
Ending balance, 11,406,000 11,871,000
Ending balance individually evaluated for impairment 315,000  
Ending balance collectively evaluated for impairment 11,091,000 11,871,000
Agriculture [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Beginning balance, 58,000 259,000
Provision for credit losses (10,000) (1,000)
Ending balance, 48,000 58,000
Ending balance collectively evaluated for impairment 48,000 58,000
Construction Real Estate Loans [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Beginning balance, 933,000 409,000
Provision for credit losses (49,000) 136,000
Ending balance, 884,000 933,000
Ending balance collectively evaluated for impairment 884,000 933,000
Commercial Loans [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Beginning balance, 1,207,000 2,445,000
Charge Offs (100,000) (4,953,000)
Recoveries   21,000
Provision for credit losses 625,000 4,850,000
Ending balance, 1,732,000 1,207,000
Ending balance collectively evaluated for impairment 1,732,000 1,207,000
Other Agricultural [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Beginning balance, 94,000 124,000
Provision for credit losses 68,000 (33,000)
Ending balance, 162,000 94,000
Ending balance collectively evaluated for impairment 162,000 94,000
Consumer Loans [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Beginning balance, 3,454,000 2,636,000
Charge Offs (1,849,000) (1,067,000)
Recoveries 127,000 88,000
Provision for credit losses 2,733,000 2,348,000
Ending balance, 4,465,000 3,454,000
Ending balance individually evaluated for impairment 340,000 135,000
Ending balance collectively evaluated for impairment $ 4,125,000 3,319,000
Adoption Impact [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Beginning balance,   2,466,000
Adoption Impact [Member] | Residential Real Estate Loans [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Beginning balance,   (1,545,000)
Adoption Impact [Member] | Commercial Real Estate Loans [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Beginning balance,   5,527,000
Adoption Impact [Member] | Agriculture [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Beginning balance,   (200,000)
Adoption Impact [Member] | Construction Real Estate Loans [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Beginning balance,   388,000
Adoption Impact [Member] | Commercial Loans [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Beginning balance,   (1,156,000)
Adoption Impact [Member] | Other Agricultural [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Beginning balance,   3,000
Adoption Impact [Member] | Consumer Loans [Member]    
Financing Receivable, Allowance for Credit Loss [Line Items]    
Beginning balance,   $ (551,000)