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Loans Receivable and Allowance for Loan Losses (Loan Portfolio Summarized by the Past Due Status) (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Loans | $ 1,536,037 | $ 1,474,424
Non-Accrual | 2,714 | 1,113
Total Past Due and Non-Accrual | 5,312 | 3,221
Purchased Credit-Impaired [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans |  | 6,290
Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 1,530,725 | 1,464,913
Financing Receivables, 31 to 60 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 2,448 | 1,646
Financing Receivables, 61 to 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 150 | 462
Residential Real Estate Loans [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 301,711 | 298,813
Non-Accrual | 437 | 486
Total Past Due and Non-Accrual | 1,443 | 896
Residential Real Estate Loans [Member] | Purchased Credit-Impaired [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans |  | 567
Residential Real Estate Loans [Member] | Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 300,268 | 297,350
Residential Real Estate Loans [Member] | Financing Receivables, 31 to 60 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 978 | 187
Residential Real Estate Loans [Member] | Financing Receivables, 61 to 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 28 | 223
Commercial Real Estate Loans [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 668,386 | 651,544
Non-Accrual | 1,941 | 402
Total Past Due and Non-Accrual | 2,394 | 807
Commercial Real Estate Loans [Member] | Purchased Credit-Impaired [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans |  | 2,049
Commercial Real Estate Loans [Member] | Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 665,992 | 648,688
Commercial Real Estate Loans [Member] | Financing Receivables, 31 to 60 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 453 | 405
Agricultural Real Estate Loans [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 68,381 | 68,915
Total Past Due and Non-Accrual |  | 130
Agricultural Real Estate Loans [Member] | Purchased Credit-Impaired [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans |  | 2,034
Agricultural Real Estate Loans [Member] | Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 68,381 | 66,751
Agricultural Real Estate Loans [Member] | Financing Receivables, 31 to 60 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans |  | 130
Construction Real Estate Loans [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 32,391 | 32,469
Total Past Due and Non-Accrual | 23 |
Construction Real Estate Loans [Member] | Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 32,368 | 32,469
Construction Real Estate Loans [Member] | Financing Receivables, 31 to 60 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 23 |
Commercial Loans [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 207,888 | 187,257
Non-Accrual | 115 | 61
Total Past Due and Non-Accrual | 422 | 132
Commercial Loans [Member] | Purchased Credit-Impaired [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans |  | 1,640
Commercial Loans [Member] | Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 207,466 | 185,485
Commercial Loans [Member] | Financing Receivables, 31 to 60 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 221 | 71
Commercial Loans [Member] | Financing Receivables, 61 to 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 86 |
Other Agricultural Loans [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 34,033 | 35,277
Other Agricultural Loans [Member] | Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 34,033 | 35,277
Consumer Loans [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 223,247 | 200,149
Non-Accrual | 221 | 164
Total Past Due and Non-Accrual | 1,030 | 1,256
Consumer Loans [Member] | Financial Asset, Not Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 222,217 | 198,893
Consumer Loans [Member] | Financing Receivables, 31 to 60 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | 773 | 853
Consumer Loans [Member] | Financing Receivables, 61 to 90 Days Past Due [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Loans | $ 36 | $ 239

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