v3.26.1
Loans and ACL - Summary of Change in the ACL by Loan Segment (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Financing Receivable Impaired [Line Items]        
ACL, beginning of period $ 19,184 $ 23,126 $ 19,444 [1] $ 23,023
Provision for (recovery of) credit losses - loans 3,500 (700) 2,900 (700)
Charge-offs (2,677) (3,092) (4,940) (5,882)
Recoveries 2,032 2,640 4,635 5,533
Net charge-offs (645) (452) (305) (349)
ACL, end of period 22,039 21,974 22,039 21,974
Commercial and Industrial [Member]        
Financing Receivable Impaired [Line Items]        
ACL, beginning of period 3,846 5,726 4,337 5,767
Provision for (recovery of) credit losses - loans 3,365 147 2,393 (42)
Charge-offs (1,845) (2,537) (3,856) (4,661)
Recoveries 1,806 2,510 4,298 4,782
Net charge-offs (39) (27) 442 121
ACL, end of period 7,172 5,846 7,172 5,846
Construction, Commercial [Member] | Real Estate [Member]        
Financing Receivable Impaired [Line Items]        
ACL, beginning of period 655 1,992 678 2,057
Provision for (recovery of) credit losses - loans 175 (720) 152 (785)
Charge-offs 0 0 0 0
Recoveries 0 0 0 0
Net charge-offs 0 0 0 0
ACL, end of period 830 1,272 830 1,272
Construction, Residential [Member] | Real Estate [Member]        
Financing Receivable Impaired [Line Items]        
ACL, beginning of period 208 552 264 540
Provision for (recovery of) credit losses - loans 46 (154) (10) 142
Charge-offs (15) 0 (15) 0
Recoveries 0 0 0 0
Net charge-offs (15) 0 (15) 0
ACL, end of period 239 398 239 398
Commercial [Member] | Real Estate [Member]        
Financing Receivable Impaired [Line Items]        
ACL, beginning of period 6,276 5,998 5,959 5,963
Provision for (recovery of) credit losses - loans 9 (119) 326 (359)
Charge-offs (304) 0 (304) (63)
Recoveries 41 0 41 338
Net charge-offs (263) 0 (263) 275
ACL, end of period 6,022 5,879 6,022 5,879
Residential [Member] | Real Estate [Member]        
Financing Receivable Impaired [Line Items]        
ACL, beginning of period 7,602 8,171 7,655 7,933
Provision for (recovery of) credit losses - loans (307) (69) (361) 184
Charge-offs (132) (107) (132) (123)
Recoveries 31 6 32 7
Net charge-offs (101) (101) (100) (116)
ACL, end of period 7,194 8,001 7,194 8,001
Farmland [Member] | Real Estate [Member]        
Financing Receivable Impaired [Line Items]        
ACL, beginning of period 12 18 14 18
Provision for (recovery of) credit losses - loans (1) (3) (3) (3)
Charge-offs 0 0 0 0
Recoveries 0 0 0 0
Net charge-offs 0 0 0 0
ACL, end of period 11 15 11 15
Consumer [Member]        
Financing Receivable Impaired [Line Items]        
ACL, beginning of period 585 669 537 745
Provision for (recovery of) credit losses - loans 213 218 403 447
Charge-offs (381) (448) (633) (1,035)
Recoveries 154 124 264 406
Net charge-offs (227) (324) (369) (629)
ACL, end of period $ 571 $ 563 $ 571 $ 563
[1] Derived from audited December 31, 2025 Consolidated Financial Statements.