XML 158 R144.htm IDEA: XBRL DOCUMENT v3.19.1
Investments in associates and joint ventures (Details 3) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Disclosure of Investments in associates [Line Items]      
Net sales $ 1,122,995 $ 1,223,942 $ 1,015,670
Net loss from continued operations (11,654) 64,435 (327,814)
Share in results $ (1,144) $ 13,207 $ (365,321)