Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements of Cash Flows Supplemental Disclosures (Changes in Operating Assets and Liabilities) (Details)

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Consolidated Statements of Cash Flows Supplemental Disclosures (Changes in Operating Assets and Liabilities) (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Supplemental Cash Flow Elements [Abstract]    
Increase in accounts receivable, net $ (23,239) $ (15,513)
Increase in prepaid expenses (4,568) (4,582)
Decrease in inventories 1,108 745
(Increase) decrease in other current assets 58 (51)
(Increase) decrease in other assets 2,325 (3,925)
Decrease in accounts payable (2,844) (3,541)
Increase in deferred revenues 2,342 212
Increase (decrease) in accrued payroll and payroll related obligations 314 (1,733)
Increase (decrease) in accrued liabilities (44) 1,594
Decrease in accrued interest (2,465) (2,821)
Increase (decrease) in subscriber deposits 307 (207)
Increase (decrease) in long-term deferred revenue (1,506) 12,808
Increase (decrease) in components of other long-term liabilities (996) 1,362
Total change in operating assets and liabilities $ (29,208) $ (15,652)