Fair Value Measurement - Quantitative Information about (Level 3) Fair Value Measurements for Financial Instruments Measured at Fair Value on Nonrecurring Basis (Detail) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Collateral dependent loans
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 5,056	$ 4,175
Foreclosed assets (Residential real estate)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value	$ 831	$ 50