Accrued Expenses and Other Current Liabilities (Details) - USD ($)	3 Months Ended
	Mar. 31, 2018	Dec. 31, 2017
Payables and Accruals [Abstract]
Project Development Costs	$ 43,802,000	$ 71,712,000
Liability for horseracing purses	869,000	886,000
Accrued payroll	4,807,000	1,715,000
Deferred revenue - loyalty points	1,255,000	271,000
Liability to the NYSGC	1,713,000	1,507,000
Liability for local progressive jackpot	1,521,000	1,110,000
Accrued premium game leases	1,629,000	0
Accrued professional fees	1,541,000	744,000
Accrued interest expense	664,000	14,000
Accrued utilities	639,000	81,000
Accrued other	3,136,000	992,000
Total accrued expenses and other current liabilities	17,774,000	$ 7,320,000
Increase in deferred revenues	$ 984,000