Accrued Liabilities (Details Textual)
$ in Thousands
|12 Months Ended|
Dec. 31, 2016
|Accrued Liabilities [Line Items]|
|Cost of Property Repairs and Maintenance||$ 911|
The aggregate costs of keeping the property in good condition but that do not appreciably prolong the life or increase the value of the property.
Reference 1: http://www.xbrl.org/2003/role/presentationRef