Income Taxes - Schedule of Provision for (Benefit from) Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current income tax provision (benefit)
Federal	$ (77)	$ (99)	$ (66)
State	1,580	1,113	1,525
Foreign	27	7	12
Total current income tax provision	1,530	1,021	1,471
Deferred income tax provision (benefit):
Federal	21,825	13,019	(74,312)
State	16,173	3,875	(12,165)
Total deferred income tax provision (benefit)	37,998	16,894	(86,477)
Total income tax provision (benefit)	$ 39,528	$ 17,915	$ (85,006)