Leases - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting [Abstract]
Revenues, net	$ 514,953	$ 484,426	$ 417,905	$ 414,262	$ 430,601	$ 451,493	$ 404,605	$ 416,166	$ 1,831,546	$ 1,702,865	$ 1,199,390
Rent expense for noncancelable operating leases									$ 15,100	$ 14,100	$ 12,500
Minimum
Segment Reporting [Abstract]
Lease renewable period, maximum (in years)									1 year
Maximum
Segment Reporting [Abstract]
Lease renewable period, maximum (in years)									5 years