XML 60 R50.htm IDEA: XBRL DOCUMENT v3.19.2
Comprehensive Income (Loss) - Accumulated other comprehensive loss (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Comprehensive Income (Loss)    
Foreign currency translation adjustments $ (6,671) $ (6,901)
Pension liability, net of tax (14,440) (14,671)
Total accumulated other comprehensive loss $ (21,111) $ (21,572)