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Organization and Basis of Presentation - Additional information (Details) $ in Thousands		3 Months Ended	6 Months Ended	9 Months Ended
	Aug. 07, 2018 USD ($)	Sep. 30, 2018 USD ($) room Machine Game Terminal a Hotel	Jun. 30, 2018 Region segment	Sep. 30, 2018 USD ($) room Machine Game Terminal a Hotel segment
Organization and Basis of Presentation
Number of geographic regions \| Region			4
Number of reportable segments \| segment			4	5
Isle Casino Hotel
Organization and Basis of Presentation
Number of room in hotel		238		238
Number of slot machines \| Machine		1,005		1,005
Number of table games \| Game		30		30
Number of table poker room		9		9
Number of acre owned \| a		10		10
Lady Luck Casino
Organization and Basis of Presentation
Number of room in hotel		164		164
Number of slot machines \| Machine		472		472
Number of table games \| Game		11		11
Isle Casino Racing Pompano
Organization and Basis of Presentation
Number of slot machines \| Machine		1,461		1,461
Number of table poker room		45		45
Number of acre owned \| a		223		223
Isle Casino Bettendorf
Organization and Basis of Presentation
Number of room in hotel		509		509
Number of slot machines \| Machine		974		974
Number of table games \| Game		20		20
Number of towers in hotel		2		2
Isle Casino Waterloo
Organization and Basis of Presentation
Number of room in hotel		194		194
Number of slot machines \| Machine		936		936
Number of table games \| Game		25		25
Isle of Capri Casino Hotel Lake Charles
Organization and Basis of Presentation
Number of room in hotel		493		493
Number of slot machines \| Machine		1,173		1,173
Number of table games \| Game		45		45
Number of table poker room		13		13
Number of acre owned \| a		19		19
Number of hotels \| Hotel		2		2
Isle of Capri Casino Lula
Organization and Basis of Presentation
Number of room in hotel		486		486
Number of slot machines \| Machine		871		871
Number of table games \| Game		19		19
Number of hotels \| Hotel		2		2
Lady Luck Casino Vicksburg
Organization and Basis of Presentation
Number of room in hotel		89		89
Number of slot machines \| Machine		603		603
Number of table games \| Game		8		8
Isle of Capri Casino Boonville
Organization and Basis of Presentation
Number of room in hotel		140		140
Number of slot machines \| Machine		885		885
Number of table games \| Game		20		20
Isle Casino Cape Girardeau
Organization and Basis of Presentation
Number of slot machines \| Machine		870		870
Number of table games \| Game		24		24
Number of table poker room		4		4
Lady Luck Casino Caruthersville
Organization and Basis of Presentation
Number of slot machines \| Machine		512		512
Number of table games \| Game		9		9
Isle of Capri Casino Kansas City
Organization and Basis of Presentation
Number of slot machines \| Machine		969		969
Number of table games \| Game		13		13
Lady Luck Casino Nemacolin
Organization and Basis of Presentation
Number of slot machines \| Machine		600		600
Number of table games \| Game		27		27
Number of acre owned \| a		2,000		2,000
Grand Victoria Casino
Organization and Basis of Presentation
Number of slot machines \| Machine		1,088		1,088
Number of table games \| Game		30		30
Number of table poker room		12		12
Eldorado Reno
Organization and Basis of Presentation
Number of room in hotel		814		814
Number of slot machines \| Machine		1,128		1,128
Number of table games \| Game		36		36
Silver Legacy
Organization and Basis of Presentation
Number of slot machines \| Machine		1,208		1,208
Number of table games \| Game		58		58
Number of rooms in themed hotel				1,685
Number of table poker room		13		13
Eldorado Shreveport
Organization and Basis of Presentation
Number of slot machines \| Machine		1,388		1,388
Number of table games \| Game		52		52
Number of table poker room		8		8
Number of rooms in suite art deco-style hotel				403
Mountaineer
Organization and Basis of Presentation
Number of room in hotel		357		357
Number of slot machines \| Machine		1,487		1,487
Number of table games \| Game		36		36
Number of table poker room		10		10
Presque Isle Downs
Organization and Basis of Presentation
Number of slot machines \| Machine		1,596		1,596
Number of table games \| Game		32		32
Number of table poker room		7		7
Scioto Downs
Organization and Basis of Presentation
Number of room in hotel		118		118
Number of video lottery terminals \| Terminal		2,237		2,237
Isle of Capri
Organization and Basis of Presentation
Acquisition date				May 01, 2017
Circus Reno
Organization and Basis of Presentation
Number of room in hotel		1,571		1,571
Number of slot machines \| Machine		706		706
Number of table games \| Game		24		24
Elgin Acquisition
Organization and Basis of Presentation
Acquisition date				Aug. 07, 2018
Acquisition agreement date	Apr. 15, 2018
Cash consideration paid \| $	$ 327,500
Working capital and other adjustments \| $	$ 1,386
Business acquisition, transaction costs \| $		$ 2,100		$ 3,400
Business acquisition, accrued costs and expenses \| $		$ 200		$ 200
Elgin Acquisition \| Maximum
Organization and Basis of Presentation
Working capital adjustment finalization period from acquisition date	100 days