Reno Acquisition, MTR Merger and Final Purchase Accounting - Additional Information (Details) - USD ($)		1 Months Ended	3 Months Ended												12 Months Ended
	Nov. 24, 2015	Nov. 24, 2015	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Sep. 19, 2014
Purchase Consideration Calculation Abstract
Purchase consideration															$ 72,500,000
Decrease in property and equipment															1,300,000
Estimated fair values of the assets acquired and liabilities assumed
Goodwill	$ 0	$ 0	$ 66,826,000				$ 66,826,000								66,826,000	$ 66,826,000
Net revenues			206,450,000	$ 241,565,000	$ 231,315,000	$ 213,566,000	186,160,000	$ 183,540,000	$ 182,633,000	$ 167,451,000	$ 164,095,000	$ 78,949,000	$ 61,749,000	$ 57,030,000	892,896,000	719,784,000	$ 361,823,000
Net income (loss)			959,000	$ 9,682,000	$ 10,791,000	$ 3,370,000	110,153,000	$ 5,399,000	$ 4,795,000	$ (6,164,000)	$ (10,834,000)	$ (4,064,000)	$ 2,909,000	$ (2,333,000)	24,802,000	114,183,000	$ (14,425,000)
Silver Legacy Joint Venture
Estimated fair values of the assets acquired and liabilities assumed
Net revenues		13,500,000
Net income (loss)		(300,000)
Resorts
Purchase Consideration Calculation Abstract
Purchase consideration															223,600,000
Circus Reno
Estimated fair values of the assets acquired and liabilities assumed
Net revenues		8,300,000
Net income (loss)		$ 1,400,000
MTR Gaming
Purchase Consideration Calculation Abstract
Purchase consideration															103,000,000
Estimated fair values of the assets acquired and liabilities assumed
Goodwill			$ 66,826,000				$ 66,826,000								$ 66,826,000	$ 66,826,000		$ 66,826,000
Galleon | Silver Legacy Joint Venture
Purchase Consideration Calculation Abstract
Ownership interest held by former members of subsidiary (as a percent)	50.00%