Property and Equipment Fixed Assets Roll-Forward (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Land	$ 21,120	$ 21,371
Site improvements	91,308	91,308
Buildings	580	968
Leasehold improvements	104	190
Furniture and equipment	993	1,072
Computer hardware	4,995	4,782
Property and equipment, accumulated depreciation	15,958	11,683
Cost	119,100	119,691
Carrying Value	103,142	108,008
Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, accumulated depreciation	10,161	6,028
Carrying Value	81,147	85,280
Building and Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, accumulated depreciation	36	53
Building [Member]
Property, Plant and Equipment [Line Items]
Carrying Value	544	915
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, accumulated depreciation	102	117
Carrying Value	2	73
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, accumulated depreciation	901	973
Carrying Value	92	99
Computer Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, accumulated depreciation	4,758	4,512
Carrying Value	$ 237	$ 270