Income Taxes - Schedule of Income Tax Provision (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Current:
Federal	$ (239)	$ (4,526)	$ 5,166
State	241	(616)	1,660
Foreign	2,632	1,719	2,834
Current Income Tax Expense (Benefit), Total	2,634	(3,423)	9,660
Deferred:
Federal	1,638	(604)	1,144
State	313	(220)	56
Foreign	(913)	(116)	(1,242)
Deferred income tax expense (benefit)	1,038	(940)	(42)
Income tax provision from continuing operations	$ 3,672	$ (4,363)	$ 9,618