Summarized Quarterly Data (Unaudited) - Additional Information (Details) - USD ($) $ in Thousands		3 Months Ended				12 Months Ended
	Aug. 01, 2016	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Quarterly financial information
Provision expense for allowance for loan loss						$ 64,052
Goodwill impairment losses						18,026	$ 0	$ 0
Net reduction in valuation allowance			$ 766,200			714,800
Provisional reduction in deferred tax assets due to Tax Cuts and Jobs Act of 2017		$ 257,000
Loss on early extinguishment of debt					$ 25,100	$ 23,963
Rocket Speed
Quarterly financial information
Period of contingent obligation	2 years		2 years
Tropicana Las Vegas and Sanford Orlando Kennel Club
Quarterly financial information
Goodwill impairment losses			$ 18,000
Loans to the Jamul Tribe
Quarterly financial information
Provision expense for allowance for loan loss		$ 77,900	6,300	$ 5,600
General and administrative expenses | Rocket Speed
Quarterly financial information
Benefit resulting from the buy out of contingent purchase price consideration			$ 22,200