Quarterly report pursuant to Section 13 or 15(d)

Business Combinations - Schedule of Acquisition Transaction Expenses (Details)

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Business Combinations - Schedule of Acquisition Transaction Expenses (Details) - Emerging Markets Communications LLC - USD ($)
$ in Thousands
Sep. 30, 2016
Dec. 31, 2015
Business Acquisition [Line Items]    
Professional and consulting expenses $ 7,975 $ 1,785
Banking fees 10,564 0
Transaction and integration expenses $ 18,539 $ 1,785