Income Taxes - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Schedule Of Income Tax Expense [Line Items]
Unrecognized tax benefits	$ 0		$ 0
Income tax provision	5,000	$ 19,000	31,000	$ 27,000
Deferred tax liability related to amortized goodwill	$ 4,000		$ 4,000