Annual report pursuant to Section 13 and 15(d)

Income Taxes - Reconciliation Losses Before Tax, US and Foreign Jurisdictions (Details)

v3.8.0.1
Income Taxes - Reconciliation Losses Before Tax, US and Foreign Jurisdictions (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Summary of losses from continuing operations before income taxes between U.S. and foreign jurisdictions      
U.S. $ (247,938) $ (92,175) $ (113,612)
Foreign (42,077) 10,977 (30,091)
Total $ (290,015) $ (81,198) $ (143,703)