Annual report pursuant to Section 13 and 15(d)

Discontinued Operations - Schedule of Disposal Groups, Including Discontinued Operation Balance Sheet (Details) (Parenthetical)

v3.8.0.1
Discontinued Operations - Schedule of Disposal Groups, Including Discontinued Operation Balance Sheet (Details) (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Accumulated depreciation $ 56,383 $ 53,323
Not Held for Sale [Member]    
Accumulated depreciation $ 10 $ 10