Fair Value Measurements - Summary of Information about Valuation Processes Used to Determine Nonrecurring Fair Value Measurements (Detail) - Fair Value, Nonrecurring [Member] $ in Thousands		Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans individually evaluated		$ 11,870	$ 13,223
Fair Value, Inputs, Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Loans individually evaluated		$ 11,870	$ 13,223
Fair Value, Inputs, Level 3 [Member] | Measurement Input Liquidation Expenses Rate [Member] | Appraisal Of Collateral [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Range (Weighted Average)	[1]	10	10

[1] Fair value is generally determined through independent appraisals of the underlying collateral, which include various Level III inputs that are not identifiable.