Fair Value Measurements and Disclosure - Summary of Quantitative Information Using Level 3 Fair Value Measurements (Detail) $ in Thousands	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Fair Value, Inputs, Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans Receivable, Fair Value Disclosure	$ 1,495,787	$ 1,425,814
Collateral dependent loan [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans Receivable Measurement Input	6	0
Measurement Input Discount Rate Adjustment [Member] | Valuation Technique Collateral [Member] | Weighted Average [Member] | Collateral dependent loan [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans Receivable, Fair Value Disclosure	$ 95	$ 4,485
Loans Receivable Measurement Input	(6)	0