Loans Receivable and Allowance for Credit Losses (Summary of Carrying Value of Loan on Nonaccrual Status) (Details) - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual with no ACL	$ 3,658,000	$ 7,069,000
Nonaccrual with ACL	69,000	553,000
Non-Accrual	3,727,000	7,622,000
Past Due and still accruing	8,000
Total Nonperforming	3,735,000	7,622,000
Residential Real Estate Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual with no ACL	487,000	432,000
Non-Accrual	487,000	432,000
Total Nonperforming	487,000	432,000
Commercial Real Estate Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual with no ACL	2,200,000	2,211,000
Non-Accrual	2,200,000	2,211,000
Total Nonperforming	2,200,000	2,211,000
Commercial Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual with no ACL	111,000	4,264,000
Non-Accrual	111,000	4,264,000
Total Nonperforming	111,000	4,264,000
Other Agricultural Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual with no ACL	185,000
Non-Accrual	185,000
Total Nonperforming	185,000
Consumer Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual with no ACL	675,000	162,000
Nonaccrual with ACL	69,000	553,000
Non-Accrual	744,000	715,000
Past Due and still accruing	8,000
Total Nonperforming	$ 752,000	$ 715,000