Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Payables and Accruals [Abstract]
Project Development Costs	$ 27,945	$ 71,712
Liability for horseracing purses	1,164	886
Accrued payroll	5,494	1,715
Deferred revenue - loyalty points	2,065	271
Liability to the NYSGC	2,836	1,507
Liability for local progressive jackpot	2,452	1,110
Accrued premium game leases	880	0
Accrued professional fees	2,136	744
Accrued interest expense	9,279	14
Accrued utilities	792	81
Accrued other	6,843	992
Total accrued expenses and other current liabilities	33,941	$ 7,320
Increase in deferred revenues	$ 1,800