Recent Accounting Pronouncements - Additional Information (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021
Right-of-use assets related to operating leases	$ 1,800	$ 1,800	$ 1,100
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets	Other assets
Liabilities	$ 681,806	$ 702,375
Other Liabilities [Member]
Liabilities			$ 1,100