Income Taxes - Summary of Components of Provision for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current
U.S.	$ 705	$ 743	$ 444
Total Current	705	743	444
Deferred
Income Tax Provision	$ 705	$ 743	$ 444

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.