Property and equipment (Details 2) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2015 |
Sep. 30, 2014 |
Sep. 30, 2015 |
Sep. 30, 2014 |
|
| Depreciation, Depletion and Amortization | ||||
| Total depreciation and amortization of property and equipment | $ 10,033 | $ 7,335 | $ 27,899 | $ 19,650 |
| Network access | ||||
| Depreciation, Depletion and Amortization | ||||
| Total depreciation and amortization of property and equipment | 6,277 | 5,027 | 17,264 | 13,400 |
| Network operations | ||||
| Depreciation, Depletion and Amortization | ||||
| Total depreciation and amortization of property and equipment | 2,087 | 1,370 | 5,916 | 3,739 |
| Development and Technology | ||||
| Depreciation, Depletion and Amortization | ||||
| Total depreciation and amortization of property and equipment | 1,377 | 852 | 3,887 | 2,331 |
| General and administrative | ||||
| Depreciation, Depletion and Amortization | ||||
| Total depreciation and amortization of property and equipment | $ 292 | $ 86 | $ 832 | $ 180 |