Property and Equipment - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Property Plant And Equipment [Line Items]
Gross property and equipment	$ 514,112	$ 435,370
Accumulated depreciation	(265,101)	(246,131)
Property and equipment, net	249,011	189,239
Land and land interests
Property Plant And Equipment [Line Items]
Gross property and equipment	31,986	29,032
Buildings and leasehold improvements
Property Plant And Equipment [Line Items]
Gross property and equipment	177,948	135,381
Equipment and other
Property Plant And Equipment [Line Items]
Gross property and equipment	$ 304,178	$ 270,957