Commitments and Contingencies - Lease Payments (Details) - USD ($)	3 Months Ended	460 Months Ended
	Mar. 31, 2017	Dec. 31, 2056	Dec. 31, 2018
Loss Contingencies [Line Items]
2019			$ 10,382,000
2021			9,026,000
2022			8,503,000
Operating Leases, Future Minimum Payments, Due in Five Years			8,400,000
Operating Leases, Future Minimum Payments, Due in Five Years			8,400,000
2024 to 2056			353,449,000
Total			398,160,000
Casino Lease [Member]
Loss Contingencies [Line Items]
2019			7,500,000
2021			7,500,000
2022			8,000,000
Operating Leases, Future Minimum Payments, Due in Five Years			8,100,000
Operating Leases, Future Minimum Payments, Due in Five Years			8,100,000
2024 to 2056			338,424,000
Golf Course Lease [Member]
Loss Contingencies [Line Items]
2019			63,000
2021			150,000
2022			150,000
Operating Leases, Future Minimum Payments, Due in Five Years			150,000
Operating Leases, Future Minimum Payments, Due in Five Years			150,000
2024 to 2056			7,483,000
Operating Leases, Annual Fixed Rent, First Ten Years	$ 150,000
Operating Leases, Annual Fixed Rent, After Ten Years	250,000
Operating Leases, Annual Fixed Rent, Before Opening	0
Entertainment Village Lease [Member]
Loss Contingencies [Line Items]
2019			150,000
2021			150,000
2022			150,000
Operating Leases, Future Minimum Payments, Due in Five Years			150,000
Operating Leases, Future Minimum Payments, Due in Five Years			150,000
2024 to 2056			$ 7,542,000
Operating Leases, Annual Fixed Rent, First Ten Years	150,000
Operating Leases, Annual Fixed Rent, After Ten Years	250,000
Operating Leases, Annual Fixed Rent, Before Opening	$ 0
Scenario, Forecast [Member] | Casino Lease [Member]
Loss Contingencies [Line Items]
Operating Leases, Annual Fixed Rent		$ 7,500,000
Operating Lease, Annual Fixed Rent, Escalation Percent Increase Every Five Years		8.00%