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Loans and ACL - Summary of Change in the ACL by Loan Segment (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Financing Receivable Impaired [Line Items] |  |  |  |  |
ACL, beginning of period | $ 21,974 | $ 28,036 | $ 23,023 | [1] | $ 35,893
(Recovery of) provision for credit losses - loans | (1,800) | (6,000) | (2,500) |  | (2,400)
Charge-offs | (3,282) | (7,913) | (9,164) |  | (23,225)
Recoveries | 3,611 | 11,330 | 9,144 |  | 15,185
Net recoveries (charge-offs) | 329 | 3,417 | (20) |  | (8,040)
ACL, end of period | 20,503 | 25,453 | 20,503 |  | 25,453
Commercial and Industrial [Member] |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
ACL, beginning of period | 5,846 | 6,916 | 5,767 |  | 13,787
(Recovery of) provision for credit losses - loans | (2,594) | (6,059) | (2,636) |  | (2,351)
Charge-offs | (1,781) | (6,001) | (6,442) |  | (19,940)
Recoveries | 3,303 | 11,095 | 8,085 |  | 14,455
Net recoveries (charge-offs) | 1,522 | 5,094 | 1,643 |  | (5,485)
ACL, end of period | 4,774 | 5,951 | 4,774 |  | 5,951
Construction, Commercial [Member] | Real Estate [Member] |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
ACL, beginning of period | 1,272 | 3,188 | 2,057 |  | 4,024
(Recovery of) provision for credit losses - loans | (135) | (45) | (920) |  | (881)
Charge-offs | 0 | 0 | 0 |  | 0
Recoveries | 0 | 0 | 0 |  | 0
Net recoveries (charge-offs) | 0 | 0 | 0 |  | 0
ACL, end of period | 1,137 | 3,143 | 1,137 |  | 3,143
Construction, Residential [Member] | Real Estate [Member] |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
ACL, beginning of period | 398 | 737 | 540 |  | 1,094
(Recovery of) provision for credit losses - loans | (8) | (77) | (150) |  | (395)
Charge-offs | 0 | 0 | 0 |  | (39)
Recoveries | 0 | 0 | 0 |  | 0
Net recoveries (charge-offs) |  | 0 | 0 |  | (39)
ACL, end of period | 390 | 660 | 390 |  | 660
Commercial [Member] | Real Estate [Member] |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
ACL, beginning of period | 5,879 | 10,262 | 5,963 |  | 9,929
(Recovery of) provision for credit losses - loans | 314 | (69) | (45) |  | 264
Charge-offs | (374) | (1,109) | (437) |  | (1,109)
Recoveries | 38 |  | 376 |  | 0
Net recoveries (charge-offs) | (336) | (1,109) | (61) |  | (1,109)
ACL, end of period | 5,857 | 9,084 | 5,857 |  | 9,084
Residential [Member] | Real Estate [Member] |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
ACL, beginning of period | 8,001 | 6,240 | 7,933 |  | 6,286
(Recovery of) provision for credit losses - loans | (304) | (241) | (120) |  | (259)
Charge-offs | (92) | (30) | (215) |  | (74)
Recoveries | 222 | 60 | 229 |  | 76
Net recoveries (charge-offs) | 130 | 30 | 14 |  | 2
ACL, end of period | 7,827 | 6,029 | 7,827 |  | 6,029
Farmland [Member] | Real Estate [Member] |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
ACL, beginning of period | 15 | 18 | 18 |  | 15
(Recovery of) provision for credit losses - loans | (1) | 1 | (4) |  | 4
Charge-offs | 0 | 0 | 0 |  | 0
Recoveries | 0 | 0 | 0 |  | 0
Net recoveries (charge-offs) | 0 | 0 | 0 |  | 0
ACL, end of period | 14 | 19 | 14 |  | 19
Consumer [Member] |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
ACL, beginning of period | 563 | 675 | 745 |  | 758
(Recovery of) provision for credit losses - loans | 928 | 490 | 1,375 |  | 1,218
Charge-offs | (1,035) | (773) | (2,070) |  | (2,063)
Recoveries | 48 | 175 | 454 |  | 654
Net recoveries (charge-offs) | (987) | (598) | (1,616) |  | (1,409)
ACL, end of period | $ 504 | $ 567 | $ 504 |  | $ 567
[1] | Derived from audited December 31, 2024 Consolidated Financial Statements.

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