XML 73 R61.htm IDEA: XBRL DOCUMENT v3.10.0.1
Property, Plant and Equipment (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Property, Plant and Equipment [Abstract]    
Depreciation $ 10,559 $ 8,662
Asset Impairment Charges   $ 333