v3.25.4
Loans and Allowance for Credit Losses - Summary of Change in the ACL by Loan Segment (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Financing Receivable Impaired [Line Items]    
ACL, beginning of period $ 23,023 $ 35,893
(Recovery of) provision for credit losses - loans (3,900) (2,900)
Charge-offs (12,140) (28,437)
Recoveries 12,461 18,467
Net recoveries (charge-offs) 321 (9,970)
ACL, end of period 19,444 23,023
Commercial and Industrial [Member]    
Financing Receivable Impaired [Line Items]    
ACL, beginning of period 5,767 13,787
(Recovery of) provision for credit losses - loans (1,683) (613)
Charge-offs (9,385) (24,005)
Recoveries 9,638 16,598
Net recoveries (charge-offs) 253 (7,407)
ACL, end of period 4,337 5,767
Construction, Commercial [Member] | Real Estate [Member]    
Financing Receivable Impaired [Line Items]    
ACL, beginning of period 2,057 4,024
(Recovery of) provision for credit losses - loans (1,379) (1,982)
Charge-offs 0 0
Recoveries 0 15
Net recoveries (charge-offs) 0 15
ACL, end of period 678 2,057
Construction, Residential [Member] | Real Estate [Member]    
Financing Receivable Impaired [Line Items]    
ACL, beginning of period 540 1,094
(Recovery of) provision for credit losses - loans (276) (515)
Charge-offs 0 (39)
Recoveries 0 0
Net recoveries (charge-offs) 0 (39)
ACL, end of period 264 540
Commercial [Member] | Real Estate [Member]    
Financing Receivable Impaired [Line Items]    
ACL, beginning of period 5,963 9,929
(Recovery of) provision for credit losses - loans (699) (2,798)
Charge-offs (611) (1,238)
Recoveries 1,306 70
Net recoveries (charge-offs) 695 (1,168)
ACL, end of period 5,959 5,963
Residential [Member] | Real Estate [Member]    
Financing Receivable Impaired [Line Items]    
ACL, beginning of period 7,933 6,286
(Recovery of) provision for credit losses - loans (396) 1,734
Charge-offs (234) (216)
Recoveries 352 129
Net recoveries (charge-offs) 118 (87)
ACL, end of period 7,655 7,933
Farmland [Member] | Real Estate [Member]    
Financing Receivable Impaired [Line Items]    
ACL, beginning of period 18 15
(Recovery of) provision for credit losses - loans (4) 3
Charge-offs 0 0
Recoveries 0 0
Net recoveries (charge-offs) 0 0
ACL, end of period 14 18
Consumer [Member]    
Financing Receivable Impaired [Line Items]    
ACL, beginning of period 745 758
(Recovery of) provision for credit losses - loans 537 1,271
Charge-offs (1,910) (2,939)
Recoveries 1,165 1,655
Net recoveries (charge-offs) (745) (1,284)
ACL, end of period $ 537 $ 745