Summary of Provision for Income Taxes from Continuing Operations (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Federal	$ 0	$ (1,236)	$ (1,236)
Current State and Local Tax Expense (Benefit)	311	357	0
Current Income Tax Expense (Benefit)	311	(879)	(1,236)
Current income tax expense (benefit), total	311	(879)	(1,236)
Deferred Federal Income Tax Expense (Benefit)	0	1,236	1,236
Deferred State and Local Income Tax Expense (Benefit)	1,249	(2,660)	2,137
Deferred income tax benefit, total	1,249	(1,424)	3,373
Income tax benefit	$ 1,560	$ (2,303)	$ 2,137