XML 37 R4.htm IDEA: XBRL DOCUMENT v3.19.1
Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Statement of Comprehensive Income [Abstract]      
Defined benefit pension plan, tax $ 122 $ (272) $ (39)
Cash flow hedges, tax $ 4,062 $ (3,938) $ 0