Allowance for Credit Losses - Summary of Amortized Cost Basis of Nonaccrual Loans and Loans Past due 90 Days or Greater and Still Accruing (Detail) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Loss	$ 2,875	$ 9,160
Nonaccrual with a related Allowance for Credit Loss	18,625	7,519
Total Nonaccrual	21,500	16,679
Loans 90 days or greater past due still accruing	378	494
Agriculture and Farmland [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Loss	0	0
Nonaccrual with a related Allowance for Credit Loss	362	0
Total Nonaccrual	362	0
Loans 90 days or greater past due still accruing	20	0
Construction [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Loss	151	9
Nonaccrual with a related Allowance for Credit Loss	9	0
Total Nonaccrual	160	9
Loans 90 days or greater past due still accruing	0	157
Commercial and Industrial [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Loss	1,780	125
Nonaccrual with a related Allowance for Credit Loss	4,700	7
Total Nonaccrual	6,480	132
Loans 90 days or greater past due still accruing	300	0
Multifamily [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Loss	0	0
Nonaccrual with a related Allowance for Credit Loss	0	0
Total Nonaccrual	0	0
Loans 90 days or greater past due still accruing	0	0
Owner Occupied [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Loss	944	6,171
Nonaccrual with a related Allowance for Credit Loss	8,039	3,581
Total Nonaccrual	8,983	9,752
Loans 90 days or greater past due still accruing	0	0
Non-owner Occupied [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Loss	0	398
Nonaccrual with a related Allowance for Credit Loss	2,906	3,931
Total Nonaccrual	2,906	4,329
Loans 90 days or greater past due still accruing	0	0
First Liens [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Loss	0	1,975
Nonaccrual with a related Allowance for Credit Loss	2,149	0
Total Nonaccrual	2,149	1,975
Loans 90 days or greater past due still accruing	58	289
Second Liens and Lines of Credit [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Loss	0	482
Nonaccrual with a related Allowance for Credit Loss	460	0
Total Nonaccrual	460	482
Loans 90 days or greater past due still accruing	0	0
Municipal [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Loss	0	0
Nonaccrual with a related Allowance for Credit Loss	0	0
Total Nonaccrual	0	0
Loans 90 days or greater past due still accruing	0	0
Consumer [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Loss	0	0
Nonaccrual with a related Allowance for Credit Loss	0	0
Total Nonaccrual	0	0
Loans 90 days or greater past due still accruing	$ 0	$ 48