Income Taxes - Provision (Benefit) for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current:
U.S. Federal	$ 11,744	$ 7,270	$ 21,171
State	7,353	4,253	2,976
Foreign	1,616	1,731	2,016
Current income tax expense (benefit)	20,713	13,254	26,163
Deferred:
U.S. Federal	10,719	10,355	(103,518)
State	895	1,637	6,948
Foreign	(8)	43	(61)
Deferred income tax expense (benefit)	11,606	12,035	(96,631)
Total	$ 32,319	$ 25,289	$ (70,468)