Prepaid Expenses and Other Assets - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Receivable from New York State	$ 4,308	$ 3,422
Prepaid real estate taxes	2,201	284
Prepaid insurance	8	392
Prepaid supplies	1,633	1,528
Prepaid advertising	101	23
Prepaid gaming expenses	587	773
Prepaid maintenance contracts	889	657
Development escrow and refundable security deposit	531	572
Prepaid other	570	375
Total prepaid expenses and other current assets	$ 10,828	$ 8,026