Income Taxes - Income Tax Benefit (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current taxes:
U.S. Federal	$ (6,805)	$ 6,819	$ (47,916)
State	871	1,103	(12,745)
Foreign	5,770	3,086	4,310
Total current tax expense (benefit)	(164)	11,008	(56,351)
Deferred taxes:
U.S. Federal	(4,096)	(17,773)	(25,017)
State	(2,510)	(780)	3,009
Deferred tax valuation allowance	4,612	(3,565)	710
Foreign	(1,119)	(2,303)	(1,896)
Total deferred tax expense (benefit)	(3,113)	(24,421)	(23,194)
Total income tax expense (benefit)	$ (3,277)	$ (13,413)	$ (79,545)