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Allowance for Credit Losses - Changes in the Allowance for Credit Losses (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Beginning Balance | $ 38,849 | $ 34,196 | $ 37,160 | $ 28,511 | $ 28,511
Charge-offs | (887) | (14) | (1,538) | (189) |
Recoveries | 157 | 106 | 455 | 153 |
Provision | 1,800 | 861 | 3,842 | 1,481 |
Ending Balance | 39,919 | 35,149 | 39,919 | 35,149 | 37,160
ASU 2016-13 [Member] |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Beginning Balance |  |  |  | 897 | 897
ASU 2016-13 [Member] | CECL Loans [Member] |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Beginning Balance |  |  |  | 4,296 | 4,296
Commercial and Agriculture [Member] |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Beginning Balance | 7,737 | 3,316 | 7,587 | 3,011 | 3,011
Charge-offs | (812) |  | (1,024) | (140) |
Recoveries | 97 | 42 | 249 | 48 |
Provision | (1,674) | 2,182 | (1,464) | 2,192 |
Ending Balance | 5,348 | 5,540 | 5,348 | 5,540 | 7,587
Commercial and Agriculture [Member] | ASU 2016-13 [Member] | CECL Loans [Member] |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Beginning Balance |  |  |  | 429 | 429
Commercial Real Estate Owner Occupied [Member] |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Beginning Balance | 4,652 | 5,733 | 4,723 | 4,565 | 4,565
Recoveries | 1 |  | 4 | 0 |
Provision | (325) | (202) | (399) | (128) |
Ending Balance | 4,328 | 5,531 | 4,328 | 5,531 | 4,723
Commercial Real Estate Owner Occupied [Member] | ASU 2016-13 [Member] |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Beginning Balance |  |  |  | 19 | 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 | 1,075
Commercial Real Estate Non Owner Occupied [Member] |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Beginning Balance | 12,968 | 11,760 | 12,056 | 14,138 | 14,138
Charge-offs |  |  | (174) |  |
Recoveries | 5 | 8 | 10 | 15 |
Provision | 1,448 | (122) | 2,529 | 340 |
Ending Balance | 14,421 | 11,646 | 14,421 | 11,646 | 12,056
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) | (2,847)
Residential Real Estate [Member] |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Beginning Balance | 9,074 | 5,934 | 8,489 | 3,145 | 3,145
Charge-offs | (52) | (1) | (65) | (11) |
Recoveries | 38 | 32 | 158 | 54 |
Provision | 356 | 550 | 834 | 399 |
Ending Balance | 9,416 | 6,515 | 9,416 | 6,515 | 8,489
Residential Real Estate [Member] | ASU 2016-13 [Member] |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Beginning Balance |  |  |  | 166 | 166
Residential Real Estate [Member] | ASU 2016-13 [Member] | CECL Loans [Member] |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Beginning Balance |  |  |  | 2,762 | 2,762
Real Estate Construction [Member] |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Beginning Balance | 3,433 | 3,920 | 3,388 | 2,293 | 2,293
Recoveries | 8 | 5 | 12 | 9 |
Provision | 206 | (478) | 247 | (357) |
Ending Balance | 3,647 | 3,447 | 3,647 | 3,447 | 3,388
Real Estate Construction [Member] | ASU 2016-13 [Member] |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Beginning Balance |  |  |  | 0 | 0
Real Estate Construction [Member] | ASU 2016-13 [Member] | CECL Loans [Member] |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Beginning Balance |  |  |  | 1,502 | 1,502
Farm Real Estate [Member] |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Beginning Balance | 320 | 269 | 260 | 291 | 291
Provision | (59) | (26) | 1 | (20) |
Ending Balance | 261 | 243 | 261 | 243 | 260
Farm Real Estate [Member] | ASU 2016-13 [Member] |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Beginning Balance |  |  |  | 0 | 0
Farm Real Estate [Member] | ASU 2016-13 [Member] | CECL Loans [Member] |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Beginning Balance |  |  |  | (28) | (28)
Lease Financing Receivables [Member] |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Beginning Balance | 359 | 2,907 | 297 | 429 | 429
Charge-offs |  |  | (226) |  |
Recoveries | 1 |  | 1 |  |
Provision | 1,850 | (960) | 2,138 | (860) |
Ending Balance | 2,210 | 1,947 | 2,210 | 1,947 | 297
Lease Financing Receivables [Member] | ASU 2016-13 [Member] |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Beginning Balance |  |  |  | 635 | 635
Lease Financing Receivables [Member] | ASU 2016-13 [Member] | CECL Loans [Member] |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Beginning Balance |  |  |  | 1,743 | 1,743
Consumer and Other [Member] |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Beginning Balance | 306 | 354 | 341 |  |
Charge-offs | (23) | (13) | (49) |  |
Recoveries | 7 | 19 | 21 |  |
Provision | (22) | (88) | (45) |  |
Ending Balance | 268 | 272 | 268 | 272 | 341
Consumer and Other [Member] |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Beginning Balance |  |  |  | 98 | 98
Charge-offs |  |  |  | (38) |
Recoveries |  |  |  | 27 |
Provision |  |  |  | (93) |
Ending Balance |  | 272 |  | 272 |
Consumer and Other [Member] | ASU 2016-13 [Member] |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Beginning Balance |  |  |  | 77 | 77
Consumer and Other [Member] | ASU 2016-13 [Member] | CECL Loans [Member] |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Beginning Balance |  |  |  | 201 | 201
Unallocated [Member] |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Beginning Balance |  | 3 | 19 | 541 | 541
Provision | 20 | 5 | 1 | 8 |
Ending Balance | $ 20 | $ 8 | $ 20 | 8 | 19
Unallocated [Member] | ASU 2016-13 [Member] | CECL Loans [Member] |  |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |  |
Beginning Balance |  |  |  | $ (541) | $ (541)

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