Fair Value Measurement - Quantitative Information about Level 3 Fair Value Measurements (Detail) - Assets Measured at Fair Value on a Nonrecurring Basis [Member] - (Level 3) [Member] - Collateral-Dependent Loans [Member] $ in Thousands	12 Months Ended
	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Fair Value	$ 19,177	$ 5,083
Valuation Technique	Appraisals which utilize sales comparison, net income and cost approach	Appraisals which utilize sales comparison, net income and cost approach
Discounts for Collection Issues and Changes in Market Conditions [Member] | Minimum [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Unobservable Input	10	20
Discounts for Collection Issues and Changes in Market Conditions [Member] | Maximum [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Unobservable Input	75	50
Discounts for Collection Issues and Changes in Market Conditions [Member] | Weighted Average [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Unobservable Input	25	27