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Allowance for Credit Losses - Changes in the Allowance for Credit Losses (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance | $ 37,160 | $ 28,511 | $ 26,641
Charge-offs | (3,915) | (1,431) | (222)
Recoveries | 539 | 452 | 340
Provision (Credit) | 5,885 | 4,435 | 1,752
Ending Balance | 39,669 | 37,160 | 28,511
ASU 2016-13 [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance |  | 897 |
Ending Balance |  |  | 897
ASU 2016-13 [Member] | CECL Loans [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance |  | 4,296 |
Ending Balance |  |  | 4,296
Commercial and Agriculture [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance | 7,587 | 3,011 | 2,600
Charge-offs | (2,197) | (1,300) | (22)
Recoveries | 255 | 177 | 24
Provision (Credit) | 941 | 5,270 | 409
Ending Balance | 6,586 | 7,587 | 3,011
Commercial and Agriculture [Member] | ASU 2016-13 [Member] | CECL Loans [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance |  | 429 |
Ending Balance |  |  | 429
Commercial Real Estate Owner Occupied [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance | 4,723 | 4,565 | 4,464
Recoveries |  | 15 | 42
Provision (Credit) | (396) | (951) | 59
Ending Balance | 4,327 | 4,723 | 4,565
Commercial Real Estate Owner Occupied [Member] | ASU 2016-13 [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance |  | 19 |
Ending Balance |  |  | 19
Commercial Real Estate Owner Occupied [Member] | ASU 2016-13 [Member] | CECL Loans [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance |  | 1,075 |
Ending Balance |  |  | 1,075
Commercial Real Estate Non Owner Occupied [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance | 12,056 | 14,138 | 13,860
Charge-offs | (672) |  |
Recoveries | 18 | 46 | 74
Provision (Credit) | 2 | 719 | 204
Ending Balance | 11,404 | 12,056 | 14,138
Commercial Real Estate Non Owner Occupied [Member] | ASU 2016-13 [Member] | CECL Loans [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance |  | (2,847) |
Ending Balance |  |  | (2,847)
Residential Real Estate [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance | 8,489 | 3,145 | 2,597
Charge-offs | (83) | (17) | (97)
Recoveries | 197 | 134 | 163
Provision (Credit) | 3,263 | 2,299 | 482
Ending Balance | 11,866 | 8,489 | 3,145
Residential Real Estate [Member] | ASU 2016-13 [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance |  | 166 |
Ending Balance |  |  | 166
Residential Real Estate [Member] | ASU 2016-13 [Member] | CECL Loans [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance |  | 2,762 |
Ending Balance |  |  | 2,762
Real Estate Construction [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance | 3,388 | 2,293 | 1,810
Recoveries | 12 | 37 | 4
Provision (Credit) | 308 | (444) | 479
Ending Balance | 3,708 | 3,388 | 2,293
Real Estate Construction [Member] | ASU 2016-13 [Member] | CECL Loans [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance |  | 1,502 |
Ending Balance |  |  | 1,502
Farm Real Estate [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance | 260 | 291 | 287
Recoveries |  |  | 6
Provision (Credit) | (34) | (3) | (2)
Ending Balance | 226 | 260 | 291
Farm Real Estate [Member] | ASU 2016-13 [Member] | CECL Loans [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance |  | (28) |
Ending Balance |  |  | (28)
Lease Financing Receivable [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance | 297 | 429 |
Charge-offs | (881) |  | (23)
Recoveries | 20 |  |
Provision (Credit) | 1,925 | (2,510) | 452
Ending Balance | 1,361 | 297 | 429
Lease Financing Receivable [Member] | ASU 2016-13 [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance |  | 635 |
Ending Balance |  |  | 635
Lease Financing Receivable [Member] | ASU 2016-13 [Member] | CECL Loans [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance |  | 1,743 |
Ending Balance |  |  | 1,743
Consumer and Other [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance | 341 | 98 | 176
Charge-offs | (82) | (114) | (80)
Recoveries | 37 | 43 | 27
Provision (Credit) | (105) | 36 | (25)
Ending Balance | 191 | 341 | 98
Consumer and Other [Member] | ASU 2016-13 [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance |  | 77 |
Ending Balance |  |  | 77
Consumer and Other [Member] | ASU 2016-13 [Member] | CECL Loans [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance |  | 201 |
Ending Balance |  |  | 201
Unallocated [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance | 19 | 541 | 847
Provision (Credit) | (19) | 19 | (306)
Ending Balance | $ 0 | 19 | 541
Unallocated [Member] | ASU 2016-13 [Member] | CECL Loans [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Beginning Balance |  | $ (541) |
Ending Balance |  |  | $ (541)

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