Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Class of Stock [Line Items]
Liability for horse racing purses	$ 1,013	$ 529
Accrued payroll	1,540	1,719
Accrued redeemable points	178	67
Liability to NYSGC	169	1,012
Liability for local progressive jackpot	818	927
Accrued Development Projects costs	41,782	10,811
Accrued professional fees	839	844
Federal tax withholding payable	75	154
Accrued other	1,470	1,664
Total accrued expenses and other current liabilities	47,884	19,227
Series E
Class of Stock [Line Items]
Series E payable	$ 0	$ 1,500