Property and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 750,715		$ 750,715		$ 742,554
Less: Accumulated depreciation	(70,765)		(70,765)		(44,875)
Property and equipment, net	679,950		679,950		697,679
Project Development Costs Incurred Transferred to Property and Equipment			8,200
Capitalized project development costs	20,600		20,600		5,700
Depreciation	8,700	$ 7,900	26,072	$ 20,325
Land [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	770		770		770
Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	2,403		2,403		2,382
Building [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	626,617		626,617		622,043
Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	108,366		108,366		103,621
Furniture, fixtures and equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	10,244		10,244		10,954
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 2,315		$ 2,315		$ 2,784