Income Taxes - Significant Components of the Provision (Benefit) for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current:
Federal	$ 4,247	$ 4,900	$ 6,039
State	2,414	1,377	1,263
Foreign	1,533	228	656
Total current	8,194	6,505	7,958
Deferred:
Federal	(6,060)	(8,382)	4,539
State	(1,665)	(364)	(1,631)
Foreign	(264)	(3)	(78)
Total deferred	(7,989)	(8,749)	2,830
Tax impact of unrecorded tax benefits liability	983	1,143	(234)
Provision for income taxes	$ 1,188	$ (1,101)	$ 10,554