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Loans and Allowance for Credit Losses - Aging Analysis of Loans by Loan Category (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans |  | $ 1,545,640 | $ 1,410,653 | $ 1,189,782
Loans, 90 Days Past Due and Accruing |  | 0 | 0 |
Agricultural [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans |  | 48,221 | 49,210 | 64,159
Loans, 90 Days Past Due and Accruing |  | 0 | 0 |
Commercial and Industrial [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans |  | 228,256 | 229,915 | 210,210
Loans, 90 Days Past Due and Accruing |  | 0 | 0 |
Consumer Portfolio Segment [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans |  | 29,412 | 36,541 | 39,808
Loans, 90 Days Past Due and Accruing |  | 0 | 0 |
Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans |  | 901,130 | 786,921 | 630,953
Loans, 90 Days Past Due and Accruing |  | 0 | 0 |
Construction Real Estate [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans |  | 17,042 | 20,936 | 14,736
Loans, 90 Days Past Due and Accruing |  | 0 | 0 |
Residential Portfolio Segment [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans |  | 281,701 | 267,730 | 229,916
Loans, 90 Days Past Due and Accruing |  | 0 | 0 |
Loans To Other Financial Institutions [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans |  | 39,878 | 19,400 | $ 0
Loans, 90 Days Past Due and Accruing |  | 0 | 0 |
Financial Asset, 30 to 59 Days Past Due [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 5,635 | 959 |
Financial Asset, 30 to 59 Days Past Due [Member] | Agricultural [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 0 | 0 |
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial and Industrial [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 0 | 0 |
Financial Asset, 30 to 59 Days Past Due [Member] | Consumer Portfolio Segment [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 52 | 31 |
Financial Asset, 30 to 59 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 23 | 173 |
Financial Asset, 30 to 59 Days Past Due [Member] | Construction Real Estate [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 694 | 0 |
Financial Asset, 30 to 59 Days Past Due [Member] | Residential Portfolio Segment [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 4,866 | 755 |
Financial Asset, 30 to 59 Days Past Due [Member] | Loans To Other Financial Institutions [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 0 | 0 |
Financial Asset, 60 to 89 Days Past Due [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 901 | 551 |
Financial Asset, 60 to 89 Days Past Due [Member] | Agricultural [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 0 | 0 |
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial and Industrial [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 49 | 0 |
Financial Asset, 60 to 89 Days Past Due [Member] | Consumer Portfolio Segment [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 87 | 2 |
Financial Asset, 60 to 89 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 0 | 0 |
Financial Asset, 60 to 89 Days Past Due [Member] | Construction Real Estate [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 0 | 0 |
Financial Asset, 60 to 89 Days Past Due [Member] | Residential Portfolio Segment [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 765 | 549 |
Financial Asset, 60 to 89 Days Past Due [Member] | Loans To Other Financial Institutions [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 0 | 0 |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 2,086 | 871 |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Agricultural [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 0 | 0 |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial and Industrial [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 0 | 1 |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Consumer Portfolio Segment [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 7 | 0 |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 0 | 0 |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Construction Real Estate [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 229 | 0 |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Residential Portfolio Segment [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 1,850 | 870 |
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Loans To Other Financial Institutions [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 0 | 0 |
Financial Asset, Past Due [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 8,622 | 2,381 |
Financial Asset, Past Due [Member] | Agricultural [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 0 | 0 |
Financial Asset, Past Due [Member] | Commercial and Industrial [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 49 | 1 |
Financial Asset, Past Due [Member] | Consumer Portfolio Segment [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 146 | 33 |
Financial Asset, Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 23 | 173 |
Financial Asset, Past Due [Member] | Construction Real Estate [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 923 | 0 |
Financial Asset, Past Due [Member] | Residential Portfolio Segment [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 7,481 | 2,174 |
Financial Asset, Past Due [Member] | Loans To Other Financial Institutions [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans | [1] | 0 | 0 |
Financial Asset, Not Past Due [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans |  | 1,537,018 | 1,408,272 |
Financial Asset, Not Past Due [Member] | Agricultural [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans |  | 48,221 | 49,210 |
Financial Asset, Not Past Due [Member] | Commercial and Industrial [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans |  | 228,207 | 229,914 |
Financial Asset, Not Past Due [Member] | Consumer Portfolio Segment [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans |  | 29,266 | 36,508 |
Financial Asset, Not Past Due [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans |  | 901,107 | 786,748 |
Financial Asset, Not Past Due [Member] | Construction Real Estate [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans |  | 16,119 | 20,936 |
Financial Asset, Not Past Due [Member] | Residential Portfolio Segment [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans |  | 274,220 | 265,556 |
Financial Asset, Not Past Due [Member] | Loans To Other Financial Institutions [Member] |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Loans |  | $ 39,878 | $ 19,400 |
[1] | Includes nonaccrual loans

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