Investment In and Advances to Unconsolidated Affiliates (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) ft² item	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Business ventures
Investment in and advances to unconsolidated affiliates | $	$ 168,149	$ 179,551
Distributions from unconsolidated affiliates | $	$ 28,150	23,000	$ 21,500
Kansas Entertainment
Business ventures
Ownership interest in joint venture under agreement of sale (as a percent)	50.00%
Area of Casino (in square foot) | ft²	244,791
Number of slot machines | item	2,000
Number of table games | item	40
Number of poker tables | item	12
Number of space parking | item	1,253
Investment in and advances to unconsolidated affiliates | $	$ 103,600	115,500
Distributions from unconsolidated affiliates | $	$ 27,200	$ 23,000	$ 21,500
Freehold Raceway
Business ventures
Ownership interest in joint venture under agreement of sale (as a percent)	50.00%
MAXXAM
Business ventures
Ownership interest in joint venture under agreement of sale (as a percent)	50.00%