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Loans and Allowance for Credit Losses - Allowance for Credit Losses and Balances in Loan Portfolio (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Beginning balance | $ 7,619 | $ 7,688 |
Charge-offs | (739) | (673) |
Recoveries | 375 | 354 |
Provision | 1,265 | 250 | $ 416
Ending balance | 15,685 | 7,619 | 7,688
Individually evaluated loan reserves for impairment | 60 | 153 |
Collectively evaluated loan reserves for impairment | 15,625 | 7,466 |
Individually evaluated loans for impairment | 2,079 | 2,846 |
Collectively evaluated loans for impairment | 1,408,574 | 1,172,662 |
Acquired with deteriorated credit quality |  | 14,274 |
Loans | 1,410,653 | 1,189,782 |
Cumulative Effect of Change in Accounting Principle |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Beginning balance | 7,165 |  |
Ending balance |  | 7,165 |
Agricultural [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Beginning balance | 144 | 448 |
Charge-offs | 0 | 0 |
Recoveries | 0 | 0 |
Provision | (64) | (304) |
Ending balance | 94 | 144 | 448
Individually evaluated loan reserves for impairment | 2 | 2 |
Collectively evaluated loan reserves for impairment | 92 | 142 |
Individually evaluated loans for impairment | 54 | 23 |
Collectively evaluated loans for impairment | 49,156 | 64,136 |
Acquired with deteriorated credit quality |  | 0 |
Loans | 49,210 | 64,159 |
Agricultural [Member] | Cumulative Effect of Change in Accounting Principle |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Beginning balance | 14 |  |
Ending balance |  | 14 |
Commercial and Industrial [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Beginning balance | 1,361 | 1,454 |
Charge-offs | (158) | (177) |
Recoveries | 66 | 143 |
Provision | (640) | (59) |
Ending balance | 2,216 | 1,361 | 1,454
Individually evaluated loan reserves for impairment | 6 | 14 |
Collectively evaluated loan reserves for impairment | 2,210 | 1,347 |
Individually evaluated loans for impairment | 136 | 177 |
Collectively evaluated loans for impairment | 229,779 | 206,074 |
Acquired with deteriorated credit quality |  | 3,959 |
Loans | 229,915 | 210,210 |
Commercial and Industrial [Member] | Cumulative Effect of Change in Accounting Principle |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Beginning balance | 1,587 |  |
Ending balance |  | 1,587 |
Consumer Portfolio Segment [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Beginning balance | 310 | 290 |
Charge-offs | (554) | (496) |
Recoveries | 283 | 206 |
Provision | 243 | 310 |
Ending balance | 823 | 310 | 290
Individually evaluated loan reserves for impairment | 0 | 1 |
Collectively evaluated loan reserves for impairment | 823 | 309 |
Individually evaluated loans for impairment | 2 | 7 |
Collectively evaluated loans for impairment | 36,539 | 39,793 |
Acquired with deteriorated credit quality |  | 8 |
Loans | 36,541 | 39,808 |
Consumer Portfolio Segment [Member] | Cumulative Effect of Change in Accounting Principle |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Beginning balance | 541 |  |
Ending balance |  | 541 |
Commercial Real Estate Portfolio Segment [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Beginning balance | 4,822 | 3,705 |
Charge-offs | 0 | 0 |
Recoveries | 13 | 3 |
Provision | 979 | 1,114 |
Ending balance | 8,820 | 4,822 | 3,705
Individually evaluated loan reserves for impairment | 1 | 5 |
Collectively evaluated loan reserves for impairment | 8,819 | 4,817 |
Individually evaluated loans for impairment | 29 | 165 |
Collectively evaluated loans for impairment | 786,892 | 622,131 |
Acquired with deteriorated credit quality |  | 8,657 |
Loans | 786,921 | 630,953 |
Commercial Real Estate Portfolio Segment [Member] | Cumulative Effect of Change in Accounting Principle |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Beginning balance | 3,006 |  |
Ending balance |  | 3,006 |
Construction Real Estate [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Beginning balance | 63 | 110 |
Charge-offs | 0 | 0 |
Recoveries | 0 | 0 |
Provision | (25) | (47) |
Ending balance | 58 | 63 | 110
Individually evaluated loan reserves for impairment | 0 | 0 |
Collectively evaluated loan reserves for impairment | 58 | 63 |
Individually evaluated loans for impairment | 0 | 0 |
Collectively evaluated loans for impairment | 20,936 | 14,736 |
Acquired with deteriorated credit quality |  | 0 |
Loans | 20,936 | 14,736 |
Construction Real Estate [Member] | Cumulative Effect of Change in Accounting Principle |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Beginning balance | 20 |  |
Ending balance |  | 20 |
Residential Portfolio Segment [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Beginning balance | 906 | 671 |
Charge-offs | (27) | 0 |
Recoveries | 13 | 2 |
Provision | 742 | (233) |
Ending balance | 3,644 | 906 | 671
Individually evaluated loan reserves for impairment | 51 | 131 |
Collectively evaluated loan reserves for impairment | 3,593 | 775 |
Individually evaluated loans for impairment | 1,858 | 2,474 |
Collectively evaluated loans for impairment | 265,872 | 225,792 |
Acquired with deteriorated credit quality |  | 1,650 |
Loans | 267,730 | 229,916 |
Residential Portfolio Segment [Member] | Cumulative Effect of Change in Accounting Principle |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Beginning balance | 2,010 |  |
Ending balance |  | 2,010 |
Loans to Other Financial Institutions [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Beginning balance | 0 | 0 |
Charge-offs | 0 | 0 |
Recoveries | 0 | 0 |
Provision | 30 | 0 |
Ending balance | 30 | 0 | 0
Individually evaluated loan reserves for impairment | 0 | 0 |
Collectively evaluated loan reserves for impairment | 30 | 0 |
Individually evaluated loans for impairment | 0 | 0 |
Collectively evaluated loans for impairment | 19,400 | 0 |
Acquired with deteriorated credit quality |  | 0 |
Loans | 19,400 | 0 |
Loans to Other Financial Institutions [Member] | Cumulative Effect of Change in Accounting Principle |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Beginning balance | 0 |  |
Ending balance |  | 0 |
Unallocated Financing Receivables [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Beginning balance | 13 | 1,010 |
Charge-offs | 0 | 0 |
Recoveries | 0 | 0 |
Provision | 0 | (997) |
Ending balance | 0 | 13 | $ 1,010
Individually evaluated loan reserves for impairment | 0 | 0 |
Collectively evaluated loan reserves for impairment | 0 | 13 |
Unallocated Financing Receivables [Member] | Cumulative Effect of Change in Accounting Principle |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Beginning balance | $ (13) |  |
Ending balance |  | $ (13) |

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