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Loans Receivable and Allowance for Credit Losses (Summary of Carrying Value of Loan on Nonaccrual Status) (Details) - USD ($) | Mar. 31, 2024 | Dec. 31, 2023
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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

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