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Loans and ACL - Summary of Accrued Interest Receivable by Loan Type Reversed from Income (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Financing Receivable, Nonaccrual [Line Items]
Accrued interest receivable reversed through income	$ 97	$ 334	$ 231	$ 730
Commercial and Industrial [Member]
Financing Receivable, Nonaccrual [Line Items]
Accrued interest receivable reversed through income	28	165	86	381
Consumer [Member]
Financing Receivable, Nonaccrual [Line Items]
Accrued interest receivable reversed through income	7	5	14	10
Real Estate [Member] | Construction, Commercial [Member]
Financing Receivable, Nonaccrual [Line Items]
Accrued interest receivable reversed through income	0	35	0	60
Real Estate [Member] | Commercial [Member]
Financing Receivable, Nonaccrual [Line Items]
Accrued interest receivable reversed through income	27	77	29	175
Real Estate [Member] | Residential [Member]
Financing Receivable, Nonaccrual [Line Items]
Accrued interest receivable reversed through income	$ 35	$ 52	$ 102	$ 104

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- Definition

Amount of interest income on financing receivable on nonaccrual status.

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