Income Taxes - Income Tax Provision (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Current tax provision (benefit):
Federal	$ 2,501	$ (7,991)
State	197	1,901
Foreign	8,569	8,798
Total current tax provision	11,267	2,708
Deferred tax benefit:
Federal	(6,150)	(23,956)
State	(1,575)	(7,640)
Foreign	(9,677)	(3,541)
Total deferred tax benefit	(17,402)	(35,137)
Total income tax benefit	$ (6,135)	$ (32,429)