Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expenses and Other Current Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]
Prepaid insurance	$ 8,264	$ 8,047
Prepaid marketing and advertising costs	1,439	6,965
Other	6,657	5,882
Total prepaid expenses and other current assets	$ 16,360	$ 20,894