Description of Business - Additional Information (Details)	12 Months Ended
	Dec. 31, 2016 state gaming_location	Oct. 02, 2015	Dec. 31, 2012
Variable Interest Entity [Line Items]
Number of gaming locations | gaming_location	9,030
Number of states in which the company operates | state	7
Miami Valley Gaming LLC
Variable Interest Entity [Line Items]
Equity method investment, ownership percentage	50.00%		50.00%
Miami Valley Gaming LLC | Casinos
Variable Interest Entity [Line Items]
Equity method investment, ownership percentage	50.00%
Saratoga Casino Holdings LLC
Variable Interest Entity [Line Items]
Equity method investment, ownership percentage	25.00%	25.00%
Saratoga Casino Holdings LLC | Casinos
Variable Interest Entity [Line Items]
Equity method investment, ownership percentage	25.00%