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Fair Value Measurement - Quantitative Information about Fair Value Measurements for Financial Instruments Measured at Fair Value on Nonrecurring Basis (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Losses from fair value adjustments assets and liabilities	$ (4,594)	$ (4,810)
Fair Value Nonrecurring Basis
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value	9,479	4,225
Individually evaluated loans
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value	8,770	4,175
Individually evaluated loans | Fair Value Nonrecurring Basis
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value	8,770	4,175
Losses from fair value adjustments assets and liabilities	(4,575)	(4,498)
Real estate owned
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value	709	50
Real estate owned | Fair Value Nonrecurring Basis
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value	709	50
Foreclosed Assets | Fair Value Nonrecurring Basis
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Losses from fair value adjustments assets and liabilities	$ (19)	$ (312)

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Fair value portion of asset recognized for present right to economic benefit.

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