Property and Equipment - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Property Plant And Equipment [Line Items]
Gross property and equipment	$ 594,904	$ 544,525
Accumulated depreciation	(299,147)	(264,667)
Property and equipment, net	295,757	279,858
Land and land interests
Property Plant And Equipment [Line Items]
Gross property and equipment	32,599	31,670
Buildings and leasehold improvements
Property Plant And Equipment [Line Items]
Gross property and equipment	214,844	185,987
Equipment and other
Property Plant And Equipment [Line Items]
Gross property and equipment	$ 347,461	$ 326,868