Fair Value of Financial Instruments - Additional Information (Detail) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($) Security	Dec. 31, 2022 USD ($)	Mar. 31, 2022 USD ($)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Security transfer from Level 3 to Level 2 | Security	1
Collateral dependent impaired loans categorized as Level 3		$ 8,857	$ 12,624
Level 3 [Member] | Collateral Dependent [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Collateral dependent impaired loans categorized as Level 3	$ 9	$ 2,700