Other Assets - Current (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]
US federal tax receivables		$ 1,115
Insurance receivable		15,000
Note receivable	$ 2,750
Prepaid advertising	89	275
Prepaid expenses	6,185	1,207
Prepaid taxes	9,583	1,119
Prepaid insurance	1,737	2,042
Due from related parties	86	86
Other current assets	508	596
Total	$ 20,938	$ 21,440