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Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Operating Loss Carryforwards [Line Items]
Benefit for income taxes	$ (248)	$ (1,299)	$ (206)	$ (1,638)
Percentage of benefit/provision on pre-tax loss			2.00%	8.00%
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Portion of state deferred tax assets, not able to be utilized	$ 4,400		$ 4,400
Federal [Member]
Operating Loss Carryforwards [Line Items]
Deferred tax assets valuation allowance			$ 3,000

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

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