Property and Equipment Property and Equipment (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Jan. 31, 2016	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Property and equipment, gross		$ 39,124		$ 39,124		$ 38,884
Less—Accumulated depreciation		(13,766)		(13,766)		(13,095)
Property and equipment, net		25,358		25,358		25,789
Depreciation		335	$ 341	671	$ 674
Capitalized project development costs		104,900		104,900		10,400
Cash for Development Projects		127,032		127,032		15,472
Transferable Subscription Rights
Property, Plant and Equipment [Line Items]
Agreement To Exercise Additional Rights, Proceeds from Offering	$ 286,000			127,000
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		1,736		1,736		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		27,352		27,352		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		3,987		3,987		3,894
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross		$ 248		$ 248		$ 197