v3.26.1
Loans and ACL - Summary of Amortized Cost of Loans Held for Investment (Detail) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Loans and Leases Receivable Disclosure [Line Items]    
Gross loans $ 1,832,676 $ 1,864,512
Deferred costs, net of loan fees 1,223 1,205
Total 1,833,899 1,865,717
Commercial and Industrial [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Gross loans 264,004 271,158
Construction, Commercial [Member] | Real Estate [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Gross loans 45,831 51,738
Construction, Residential [Member] | Real Estate [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Gross loans 33,397 31,772
Commercial [Member] | Real Estate [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Gross loans 831,794 836,308
Residential [Member] | Real Estate [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Gross loans 623,591 636,743
Farmland [Member] | Real Estate [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Gross loans 4,451 4,580
Consumer [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Gross loans $ 29,608 $ 32,213