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	Mar. 31, 2018
Loss Contingencies [Line Items]
2019				$ 9,580,000
2020				9,353,000
2021				8,948,000
2022				8,489,000
2023				8,400,000
2024 to 2056				361,886,000
Total				406,656,000
Casino Lease [Member]
Loss Contingencies [Line Items]
2019				7,500,000
2020				7,500,000
2021				7,500,000
2022				8,000,000
2023				8,100,000
2024 to 2056				346,524,000
Golf Course Lease [Member]
Loss Contingencies [Line Items]
2019				0
2020				125,000
2021				150,000
2022				150,000
2023				150,000
2024 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]
2019				12,000
2020				150,000
2021				150,000
2022				150,000
2023				150,000
2024 to 2056				$ 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%