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Loans Receivable and Allowance for Credit Losses (Composition of the Loan Portfolio) (Details) - USD ($) | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | $ 1,603,877,000 | $ 1,474,424,000
Deferred fees, net | (259,000) | (479,000)
Total loans receivable | 1,603,618,000 | 1,473,945,000
Allowance for credit losses | (18,968,000) | (16,999,000)
Net loans receivable | $ 1,584,650,000 | $ 1,456,946,000
Percent of Loans | 100.00% | 100.00%
Residential Real Estate Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | $ 316,546,000 | $ 298,813,000
Allowance for credit losses | $ (1,351,000) | $ (1,288,000)
Percent of Loans | 19.70% | 20.30%
Commercial Real Estate Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | $ 675,156,000 | $ 651,544,000
Allowance for credit losses | $ (11,871,000) | $ (13,820,000)
Percent of Loans | 42.10% | 44.20%
Agricultural Real Estate Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | $ 63,859,000 | $ 68,915,000
Allowance for credit losses |  | $ (59,000)
Percent of Loans | 4.00% | 4.70%
Construction Real Estate Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | $ 51,453,000 | $ 32,469,000
Allowance for credit losses | $ (933,000) | $ (797,000)
Percent of Loans | 3.20% | 2.20%
Commercial Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | $ 200,576,000 | $ 187,257,000
Allowance for credit losses | $ (1,207,000) | $ (1,289,000)
Percent of Loans | 12.50% | 12.70%
Other Agricultural Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | $ 31,966,000 | $ 35,277,000
Allowance for credit losses |  | $ (127,000)
Percent of Loans | 2.00% | 2.40%
Consumer Loans [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans | $ 264,321,000 | $ 200,149,000
Allowance for credit losses | $ (3,454,000) | $ (2,085,000)
Percent of Loans | 16.50% | 13.50%

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