Quarterly report pursuant to Section 13 or 15(d)

Business Combinations - Schedule of Consideration Transferred (Details)

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Business Combinations - Schedule of Consideration Transferred (Details) - Emerging Markets Communications LLC - USD ($)
$ in Thousands
1 Months Ended
Jul. 27, 2017
Jul. 27, 2016
Jun. 30, 2017
Business Acquisition [Line Items]      
Cash consideration paid   $ 100,454  
5,466,886 Company common shares multiplied by the $8.03 closing share price per share of on July 27, 2016, less a 7.5% discount for restrictions on transferability, value   40,607  
Deferred consideration   25,000  
Settlement of pre-existing relationship   228  
Consideration transferred   $ 166,289  
Restrictions on transferability of common stock, discount rate   7.50%  
Subsequent Event      
Business Acquisition [Line Items]      
Escrow deposit disbursements related to property acquisition     $ 1,300
Common stock issued for acquisition (in shares) 5,080,049