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Loans Receivable and Allowance for Loan Losses (Composition of the Loan Portfolio) (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans | $ 1,474,424 | $ 1,356,040 |
Deferred fees, net | (479) | (1,109) |
Total loans receivable | 1,473,945 | 1,354,931 |
Allowance for loan losses | (16,999) | (16,442) | $ (13,150)
Loans receivable (net of allowance for loan losses 2022: $16,999; 2021: $16,442) | $ 1,456,946 | $ 1,338,489 |
Percent of Loans | 100.00% | 100.00% |
Residential Real Estate Loans [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans | $ 298,813 | $ 273,040 |
Allowance for loan losses | $ (2,833) | $ (2,175) | (1,960)
Percent of Loans | 20.30% | 20.10% |
Commercial Real Estate Loans [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans | $ 651,544 | $ 628,724 |
Allowance for loan losses | $ (8,293) | $ (10,878) | (8,004)
Percent of Loans | 44.20% | 46.40% |
Agricultural Real Estate Loans [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans | $ 68,915 | $ 61,925 |
Percent of Loans | 4.70% | 4.60% |
Construction Real Estate Loans [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans | $ 32,469 | $ 21,990 |
Allowance for loan losses | $ (409) | $ (133) | (150)
Percent of Loans | 2.20% | 1.60% |
Commercial [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans | $ 187,257 | $ 186,031 |
Allowance for loan losses | $ (2,445) | $ (1,490) | (1,360)
Percent of Loans | 12.70% | 13.70% |
Other Agricultural Loans [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans | $ 35,277 | $ 37,930 |
Percent of Loans | 2.40% | 2.80% |
Consumer Loans To Individuals [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Total Loans | $ 200,149 | $ 146,400 |
Allowance for loan losses | $ (2,636) | $ (1,766) | $ (1,676)
Percent of Loans | 13.50% | 10.80% |

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