Income Taxes - Summary Of Federal And State Components Of The Company's Provision For Income Taxes (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Federal Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current									$ 4,972	$ 903
Deferred									(1,632)	389
Federal provision for income taxes									3,340	1,292
State and Local Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current									2,407	829
Deferred									(653)	(184)
State provision for income taxes									1,754	645
Provision for income taxes	$ 1,267	$ 1,114	$ 1,645	$ 1,068	$ 777	$ 326	$ 642	$ 192	$ 5,094	$ 1,937