Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Schedule Of Income Tax [Line Items]
Income tax (provision) benefit	$ (2,000)	$ 124,000
Increase (decrease) in net valuation allowance	$ (6,000,000)	$ 1,900,000
Operating loss carryforwards limitations on use	it has not forfeited the right to carryforward tax losses up to 20 years
Tax years subject to examination to extent of NOLs being carried forward	2002
Maximum [Member]
Schedule Of Income Tax [Line Items]
Right to carryforward tax losses, period	20 years
Tax year subject to examination by the tax authorities	2021
Minimum [Member]
Schedule Of Income Tax [Line Items]
Tax year subject to examination by the tax authorities	2002
Federal [Member]
Schedule Of Income Tax [Line Items]
Aggregate amount of net operating loss	$ 64,200,000
Operating loss carryforward	208,100,000
NOL deferred Tax asset	144,000.0
Operating loss carryforward expected to be unavailable	144,000.0
State [Member]
Schedule Of Income Tax [Line Items]
Aggregate amount of net operating loss	$ 23,900,000