Allowance for Credit Losses - Summary of Amortized Cost Basis of Nonaccrual Loans and Loans Past due Over 89 Days Still Accruing (Detail) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Loss	$ 9,160	$ 6,304
Nonaccrual with a related Allowance for Credit Loss	7,519	733
Total Nonaccrual	16,679	7,037
Loans 90 days or greater past due still accruing	494	213
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	0	0
Total Nonaccrual	0	0
Loans 90 days or greater past due still accruing	0	0
Construction [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Loss	9	191
Nonaccrual with a related Allowance for Credit Loss	0	0
Total Nonaccrual	9	191
Loans 90 days or greater past due still accruing	157	0
Commercial and Industrial [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Loss	125	53
Nonaccrual with a related Allowance for Credit Loss	7	8
Total Nonaccrual	132	61
Loans 90 days or greater past due still accruing	0	58
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	6,171	2,465
Nonaccrual with a related Allowance for Credit Loss	3,581	83
Total Nonaccrual	9,752	2,548
Loans 90 days or greater past due still accruing	0	6
Non-owner Occupied [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Loss	398	948
Nonaccrual with a related Allowance for Credit Loss	3,931	281
Total Nonaccrual	4,329	1,229
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	1,975	2,346
Nonaccrual with a related Allowance for Credit Loss	0	361
Total Nonaccrual	1,975	2,707
Loans 90 days or greater past due still accruing	289	149
Second Liens and Lines of Credit [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Loss	482	294
Nonaccrual with a related Allowance for Credit Loss	0	0
Total Nonaccrual	482	294
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
Consumer and Other Loans [Member]
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual with No Allowance for Credit Loss	0	7
Nonaccrual with a related Allowance for Credit Loss	0	0
Total Nonaccrual	0	7
Loans 90 days or greater past due still accruing	$ 48	$ 0