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Loans Receivable and Allowance for Loan Losses (Allowance for Loan Losses and Recorded Investment in Financing Receivables) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Beginning balance, | $ 16,999 | $ 16,442 | $ 16,442
Impact of adopting ASC 326 |  |  | 2,466
Charge Offs | (364) | (182) |
Recoveries | 44 | 100 |
Provision for credit losses | 300 | 300 |
Ending balance, | 19,445 | 16,660 | 16,999
Ending balance individually evaluated for impairment | 1 | 1,659 |
Ending balance collectively evaluated for impairment | 19,444 | 15,001 |
Residential Real Estate Loans [Member] |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Beginning balance, | 2,833 | 2,175 | 2,175
Impact of adopting ASC 326 |  |  | (1,545)
Charge Offs |  | (115) |
Recoveries | 6 | 2 |
Provision for credit losses | 65 | 264 |
Ending balance, | 1,359 | 2,326 | 2,833
Ending balance collectively evaluated for impairment | 1,359 | 2,326 |
Commercial Real Estate Loans [Member] |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Beginning balance, | 8,293 | 10,878 | 10,878
Impact of adopting ASC 326 |  |  | 5,527
Charge Offs | (112) |  |
Recoveries | 6 | 74 |
Provision for credit losses | 11 | (665) |
Ending balance, | 13,725 | 10,287 | 8,293
Ending balance individually evaluated for impairment |  | 1,643 |
Ending balance collectively evaluated for impairment | 13,725 | 8,644 |
Farmland [Member] |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Beginning balance, | 259 |  |
Impact of adopting ASC 326 |  |  | (200)
Provision for credit losses | 62 | 504 |
Ending balance, | 121 | 504 | 259
Ending balance collectively evaluated for impairment | 121 | 504 |
Construction Real Estate Loans [Member] |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Beginning balance, | 409 | 133 | 133
Impact of adopting ASC 326 |  |  | 388
Provision for credit losses | (94) | 1 |
Ending balance, | 703 | 134 | 409
Ending balance collectively evaluated for impairment | 703 | 134 |
Commercial Loans [Member] |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Beginning balance, | 2,445 | 1,490 | 1,490
Impact of adopting ASC 326 |  |  | (1,156)
Charge Offs | (50) | (15) |
Recoveries | 6 | 9 |
Provision for credit losses | (87) | 11 |
Ending balance, | 1,158 | 1,495 | 2,445
Ending balance individually evaluated for impairment | 1 | 16 |
Ending balance collectively evaluated for impairment | 1,157 | 1,479 |
Other Agricultural [Member] |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Beginning balance, | 124 |  |
Impact of adopting ASC 326 |  |  | 3
Provision for credit losses | (45) | 292 |
Ending balance, | 82 | 292 | 124
Ending balance collectively evaluated for impairment | 82 | 292 |
Consumer Loans [Member] |  |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |  |
Beginning balance, | 2,636 | 1,766 | 1,766
Impact of adopting ASC 326 |  |  | (551)
Charge Offs | (202) | (52) |
Recoveries | 26 | 15 |
Provision for credit losses | 388 | (107) |
Ending balance, | 2,297 | 1,622 | $ 2,636
Ending balance collectively evaluated for impairment | $ 2,297 | $ 1,622 |

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