Leases - Summary of Lease Liabilities are Included within Other Liabilities (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Leases [Abstract]
Operating lease cost	$ 2,403	$ 2,495	$ 2,383
Total lease cost	2,403	2,495	2,383
Cash paid for amounts included in the measurement of lease liabilities	$ 2,217	$ 2,080	$ 2,014