XML 39 R27.htm IDEA: XBRL DOCUMENT v3.7.0.1
General - Depreciation (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
General and Administrative Expense        
Public Utility, Property, Plant and Equipment [Line Items]        
Depreciation $ 579 $ 422 $ 1,106 $ 834