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Loans, Allowance for Credit Losses - Loans and Amortized Cost Basis of Loans Under CECL Methodology (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024 | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | --- | --- | ---
Loans And Leases Receivable, Allowance For Loan Losses [Abstract] |  |  |  |
Collectively evaluated for impairment | $ 20,478 | $ 19,796 |  |
Individually evaluated for impairment | 1,603 | 1,903 |  |
Total Allowance for Credit Losses - Loans for impairment | 22,081 | 21,699 | $ 21,598 | $ 21,153
Collectively evaluated for impairment | 2,289,830 | 2,287,674 |  |
Individually evaluated for impairment | 25,833 | 25,568 |  |
Total Loans | 2,315,663 | 2,313,242 |  |
Residential [Member] |  |  |  |
Loans And Leases Receivable, Allowance For Loan Losses [Abstract] |  |  |  |
Total Loans | 301,170 | 301,735 |  |
Commercial [Member] |  |  |  |
Loans And Leases Receivable, Allowance For Loan Losses [Abstract] |  |  |  |
Total Loans | 1,117,240 | 1,121,435 |  |
Construction [Member] |  |  |  |
Loans And Leases Receivable, Allowance For Loan Losses [Abstract] |  |  |  |
Total Loans | 168,896 | 164,326 |  |
Real Estate Loans [Member] | Residential [Member] |  |  |  |
Loans And Leases Receivable, Allowance For Loan Losses [Abstract] |  |  |  |
Collectively evaluated for impairment | 3,184 | 1,902 |  |
Individually evaluated for impairment | 29 | 38 |  |
Total Allowance for Credit Losses - Loans for impairment | 3,213 | 1,940 | 2,347 | 2,354
Collectively evaluated for impairment | 348,768 | 349,909 |  |
Individually evaluated for impairment | 1,453 | 1,489 |  |
Total Loans | 350,221 | 351,398 |  |
Real Estate Loans [Member] | Commercial [Member] |  |  |  |
Loans And Leases Receivable, Allowance For Loan Losses [Abstract] |  |  |  |
Collectively evaluated for impairment | 9,150 | 9,070 |  |
Individually evaluated for impairment | 87 | 104 |  |
Total Allowance for Credit Losses - Loans for impairment | 9,237 | 9,174 | 9,741 | 9,178
Collectively evaluated for impairment | 1,102,159 | 1,105,847 |  |
Individually evaluated for impairment | 15,081 | 15,588 |  |
Total Loans | 1,117,240 | 1,121,435 |  |
Real Estate Loans [Member] | Agricultural [Member] |  |  |  |
Loans And Leases Receivable, Allowance For Loan Losses [Abstract] |  |  |  |
Collectively evaluated for impairment | 4,350 | 3,529 |  |
Individually evaluated for impairment | 0 | 0 |  |
Total Allowance for Credit Losses - Loans for impairment | 4,350 | 3,529 | 3,672 | 3,264
Collectively evaluated for impairment | 326,283 | 323,660 |  |
Individually evaluated for impairment | 3,702 | 4,062 |  |
Total Loans | 329,985 | 327,722 |  |
Real Estate Loans [Member] | Construction [Member] |  |  |  |
Loans And Leases Receivable, Allowance For Loan Losses [Abstract] |  |  |  |
Collectively evaluated for impairment | 1,552 | 1,402 |  |
Individually evaluated for impairment | 0 | 0 |  |
Total Allowance for Credit Losses - Loans for impairment | 1,552 | 1,402 | 1,595 | 1,950
Collectively evaluated for impairment | 167,494 | 164,043 |  |
Individually evaluated for impairment | 1,402 | 283 |  |
Total Loans | 168,896 | 164,326 |  |
Consumer [Member] |  |  |  |
Loans And Leases Receivable, Allowance For Loan Losses [Abstract] |  |  |  |
Collectively evaluated for impairment | 422 | 391 |  |
Individually evaluated for impairment | 996 | 1,014 |  |
Total Allowance for Credit Losses - Loans for impairment | 1,418 | 1,405 | 1,266 | 1,496
Collectively evaluated for impairment | 128,943 | 132,180 |  |
Individually evaluated for impairment | 1,000 | 1,027 |  |
Total Loans | 129,943 | 133,207 |  |
Other Commercial Loans [Member] |  |  |  |
Loans And Leases Receivable, Allowance For Loan Losses [Abstract] |  |  |  |
Collectively evaluated for impairment | 1,541 | 2,952 |  |
Individually evaluated for impairment | 491 | 747 |  |
Total Allowance for Credit Losses - Loans for impairment | 2,032 | 3,699 | 2,680 | 2,229
Collectively evaluated for impairment | 134,745 | 128,728 |  |
Individually evaluated for impairment | 2,784 | 2,582 |  |
Total Loans | 137,529 | 131,310 |  |
Other Agricultural Loans [Member] |  |  |  |
Loans And Leases Receivable, Allowance For Loan Losses [Abstract] |  |  |  |
Collectively evaluated for impairment | 137 | 133 |  |
Individually evaluated for impairment | 0 | 0 |  |
Total Allowance for Credit Losses - Loans for impairment | 137 | 133 | 174 | 270
Collectively evaluated for impairment | 28,077 | 29,125 |  |
Individually evaluated for impairment | 411 | 537 |  |
Total Loans | 28,488 | 29,662 |  |
State and Political Subdivision Loans [Member] |  |  |  |
Loans And Leases Receivable, Allowance For Loan Losses [Abstract] |  |  |  |
Collectively evaluated for impairment | 57 | 61 |  |
Individually evaluated for impairment | 0 | 0 |  |
Total Allowance for Credit Losses - Loans for impairment | 57 | 61 | 65 | 45
Collectively evaluated for impairment | 53,361 | 54,182 |  |
Individually evaluated for impairment | 0 | 0 |  |
Total Loans | 53,361 | 54,182 |  |
Unallocated [Member] |  |  |  |
Loans And Leases Receivable, Allowance For Loan Losses [Abstract] |  |  |  |
Collectively evaluated for impairment | 85 | 356 |  |
Individually evaluated for impairment | 0 | 0 |  |
Total Allowance for Credit Losses - Loans for impairment | 85 | 356 | $ 58 | $ 367
Collectively evaluated for impairment | 0 | 0 |  |
Individually evaluated for impairment | 0 | 0 |  |
Total Loans | $ 0 | $ 0 |  |

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