Equity-Based Compensation - Schedule of Equity Compensation Expense (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total equity compensation expense	$ 4,473	$ (3,601)
Operating Expense [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total equity compensation expense	938	(1,751)
Selling. General and Administrative Expenses [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total equity compensation expense	$ 3,535	$ (1,850)