Annual report pursuant to Section 13 and 15(d)

Income Taxes - Reconciliation of Statutory Tax Rate (Details)

v3.8.0.1
Income Taxes - Reconciliation of Statutory Tax Rate (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Income Tax Disclosure [Abstract]      
Tax at statutory rate $ (21,222) $ (24,191)  
State income taxes, net of federal income tax benefit (7,754) (4,110)  
Repatriation of non-US earnings inclusive of mandatory repatriation toll tax (24,912) 4,576  
Change in Tax Status-Eco-Passthrough to C-Corp 0 33,891  
Changes in uncertain tax positions 974 (2,383)  
Change in valuation allowances 6,771 2,577  
Rate changes (63,319) 0  
Change in state effective rates (340) (290)  
Foreign withholding taxes 978 1,505  
Foreign tax rate differential (10,131) (1,354)  
Non-deductible transaction costs 1,679 667  
Other, net (1,921) (847)  
Total $ (119,197) $ 10,041 $ 0