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Acquisitions and Divestitures Asset Acquisition - Cannery (Details) - USD ($) $ in Thousands		12 Months Ended
	Dec. 31, 2016	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 20, 2016	Dec. 31, 2015
Business Acquisition [Line Items]
Project development, preopening and writedowns		$ 45,698	$ 14,454	$ 22,107
Purchase price		1,200
Goodwill	$ 826,476	1,062,102	888,224	826,476		$ 685,310
Depreciation and amortization		229,979	217,522	$ 196,226
Cannery Hotel and Casino, LLC [Member]
Business Acquisition [Line Items]
Project development, preopening and writedowns	$ 10,500	$ 900	$ 1,100
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Land					$ 7,870
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets					21,584
Business Combination, Assets and Liabilities Arising from Contingencies, Amount Recognized, Net					228,200
Business Combination, Transferred					238,600
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets					165,535
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment					125,082
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities					10,866
Goodwill					85,052
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Assets					3,419
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets					15,450
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities					10,866
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net					154,669
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net					239,721
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Buildings					107,268
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Equipment					9,820
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, CIP					$ 124

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