Annual report pursuant to Section 13 and 15(d)

Business Combinations - Schedule of Pro Forma Revenue and Net Loss (Details)

v3.8.0.1
Business Combinations - Schedule of Pro Forma Revenue and Net Loss (Details) - Emerging Markets Communications LLC - USD ($)
$ in Thousands
5 Months Ended 12 Months Ended
Dec. 31, 2016
Dec. 31, 2016
Dec. 31, 2015
Business Acquisition [Line Items]      
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual $ 73,200    
Revenue   $ 634,649 $ 631,552
Net loss   $ (168,497) $ (1,310)
Business combination, pro forma information, earnings or loss of acquiree since acquisition date, actual $ 94,800