Assets Held for Sale - Schedule of Information of Net Operating Revenues and Net Income (Loss) (Details) - Disposal Group, Held-for-sale, Not Discontinued Operations - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2018
Presque Isle Downs
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Net operating revenues	$ 37,685	$ 107,738
Net income (loss)	5,713	11,909
Nemacolin
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Net operating revenues	8,866	25,799
Net income (loss)	$ (2,745)	$ (3,213)