Property and Equipment Property and Equipment (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Jan. 31, 2016	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Property and equipment, gross		$ 39,684		$ 39,684		$ 38,884
Less—Accumulated depreciation		(14,094)		(14,094)		(13,095)
Property and equipment, net		25,590		25,590		25,789
Depreciation		329	$ 338	1,000	$ 1,011
Capitalized project development costs		151,400		151,400		10,400
Cash for development projects		82,239		82,239		15,472
Transferable Subscription Rights
Property, Plant and Equipment [Line Items]
Agreement To Exercise Additional Rights, Proceeds from Offering	$ 286,000			82,200
Cash for development projects						15,500
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		1,756		1,756		1,732
Building [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross		4,727		4,727		4,727
Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross		27,366		27,366		27,284
Vehicles [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross		304		304		280
Furniture, fixtures and equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross		4,214		4,214		3,894
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross		$ 547		$ 547		$ 197