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Loans Receivable and Allowance for Loan Losses (Loan Portfolio Summarized by the Past Due Status) (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Total Loans | $ 1,474,424 | $ 1,356,040
Company Originated [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Non-Accrual | 1,113 | 643
Total Past Due and Non-Accrual | 3,221 | 1,208
Purchased Credit-Impaired [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 6,290 | 8,304
Financing Receivables, 1 to 30 Days Past Due [Member] | Company Originated [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 1,464,913 | 1,346,528
Financing Receivables, 31 to 60 Days Past Due [Member] | Company Originated [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 1,646 | 431
Financing Receivables, 61 to 90 Days Past Due [Member] | Company Originated [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due and still accruing | 462 | 134
Financing Receivables, Greater than 90 Days Past Due [Member] | Company Originated [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due and still accruing |  | 91
Residential Real Estate Loans [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 298,813 | 273,040
Residential Real Estate Loans [Member] | Company Originated [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Non-Accrual | 486 | 469
Total Past Due and Non-Accrual | 896 | 634
Residential Real Estate Loans [Member] | Purchased Credit-Impaired [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 567 | 784
Residential Real Estate Loans [Member] | Financing Receivables, 1 to 30 Days Past Due [Member] | Company Originated [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 297,350 | 271,622
Residential Real Estate Loans [Member] | Financing Receivables, 31 to 60 Days Past Due [Member] | Company Originated [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 187 | 155
Residential Real Estate Loans [Member] | Financing Receivables, 61 to 90 Days Past Due [Member] | Company Originated [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due and still accruing | 223 | 10
Commercial Real Estate Loans [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 651,544 | 628,724
Commercial Real Estate Loans [Member] | Company Originated [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Non-Accrual | 402 | 103
Total Past Due and Non-Accrual | 807 | 103
Commercial Real Estate Loans [Member] | Purchased Credit-Impaired [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 2,049 | 3,285
Commercial Real Estate Loans [Member] | Financing Receivables, 1 to 30 Days Past Due [Member] | Company Originated [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 648,688 | 625,336
Commercial Real Estate Loans [Member] | Financing Receivables, 31 to 60 Days Past Due [Member] | Company Originated [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 405 |
Agricultural Real Estate Loans [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 68,915 | 61,925
Agricultural Real Estate Loans [Member] | Company Originated [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Past Due and Non-Accrual | 130 | 25
Agricultural Real Estate Loans [Member] | Purchased Credit-Impaired [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 2,034 | 1,918
Agricultural Real Estate Loans [Member] | Financing Receivables, 1 to 30 Days Past Due [Member] | Company Originated [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 66,751 | 59,982
Agricultural Real Estate Loans [Member] | Financing Receivables, 31 to 60 Days Past Due [Member] | Company Originated [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 130 | 25
Construction Real Estate Loans [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 32,469 | 21,990
Construction Real Estate Loans [Member] | Financing Receivables, 1 to 30 Days Past Due [Member] | Company Originated [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 32,469 | 21,990
Commercial [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 187,257 | 186,031
Commercial [Member] | Company Originated [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Non-Accrual | 61 | 16
Total Past Due and Non-Accrual | 132 | 32
Commercial [Member] | Purchased Credit-Impaired [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 1,640 | 198
Commercial [Member] | Financing Receivables, 1 to 30 Days Past Due [Member] | Company Originated [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 185,485 | 185,801
Commercial [Member] | Financing Receivables, 31 to 60 Days Past Due [Member] | Company Originated [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 71 | 3
Commercial [Member] | Financing Receivables, 61 to 90 Days Past Due [Member] | Company Originated [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due and still accruing |  | 13
Commercial [Member] | Financing Receivables, Greater than 90 Days Past Due [Member] | Company Originated [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due and still accruing |  | 91
Other Agricultural Loans [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 35,277 | 37,930
Other Agricultural Loans [Member] | Purchased Credit-Impaired [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans |  | 2,119
Other Agricultural Loans [Member] | Financing Receivables, 1 to 30 Days Past Due [Member] | Company Originated [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 35,277 | 35,811
Consumer Loans To Individuals [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Total Loans | 200,149 | 146,400
Consumer Loans To Individuals [Member] | Company Originated [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Non-Accrual | 164 | 55
Total Past Due and Non-Accrual | 1,256 | 414
Consumer Loans To Individuals [Member] | Financing Receivables, 1 to 30 Days Past Due [Member] | Company Originated [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 198,893 | 145,986
Consumer Loans To Individuals [Member] | Financing Receivables, 31 to 60 Days Past Due [Member] | Company Originated [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due | 853 | 248
Consumer Loans To Individuals [Member] | Financing Receivables, 61 to 90 Days Past Due [Member] | Company Originated [Member] |  |
Financing Receivable, Past Due [Line Items] |  |
Past Due and still accruing | $ 239 | $ 111

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