Property and Equipment - Summary of Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 985,202	$ 949,963
Less—Accumulated depreciation and amortization	(372,860)	(324,547)
Property and equipment, net	612,342	625,416
Land and Improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	54,604	54,633
Building and Other Leasehold Improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	628,390	619,614
Riverboat
Property Plant And Equipment [Line Items]
Property and equipment, gross	40,148	39,027
Furniture, Fixtures and Equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	251,504	229,798
Furniture, Fixtures and Equipment Held Under Capital Leases
Property Plant And Equipment [Line Items]
Property and equipment, gross	3,571	4,199
Construction in Progress
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 6,985	$ 2,692