Commitments and Contingencies - Lease Payments (Details) - USD ($)	3 Months Ended	18 Months Ended	460 Months Ended
	Mar. 31, 2017	Aug. 31, 2018	Dec. 31, 2056	Dec. 31, 2017	Dec. 31, 2016
Loss Contingencies [Line Items]
2018				$ 12,761,000
2019				9,353,000
2020				8,961,000
2021				8,496,000
2022				8,300,000
2023 to 2056				361,986,000
Total				$ 409,857,000
Casino Lease [Member]
Loss Contingencies [Line Items]
2018	$ 10,500,000
2019	7,500,000
2020	7,500,000
2021	8,000,000
2022	8,000,000
2023 to 2056	346,624,000
Golf Course Lease [Member]
Loss Contingencies [Line Items]
2018	0
2019	125,000
2020	150,000
2021	150,000
2022	150,000
2023 to 2056					$ 7,675,000
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]
2018	12,000
2019	150,000
2020	150,000
2021	150,000
2022	150,000
Total					$ 7,713,000
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		$ 1,000,000	$ 7,500,000
Operating Lease, Annual Fixed Rent, Escalation Percent Increase Every Five Years			8.00%