Property and equipment (Details 2) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2015 |
Jun. 30, 2014 |
Jun. 30, 2015 |
Jun. 30, 2014 |
|
| Depreciation, Depletion and Amortization | ||||
| Total depreciation and amortization of property and equipment | $ 9,812 | $ 6,531 | $ 17,866 | $ 12,315 |
| Network access | ||||
| Depreciation, Depletion and Amortization | ||||
| Total depreciation and amortization of property and equipment | 6,155 | 4,511 | 10,987 | 8,373 |
| Network operations | ||||
| Depreciation, Depletion and Amortization | ||||
| Total depreciation and amortization of property and equipment | 1,843 | 1,182 | 3,829 | 2,369 |
| Development and Technology | ||||
| Depreciation, Depletion and Amortization | ||||
| Total depreciation and amortization of property and equipment | 1,336 | 782 | 2,510 | 1,479 |
| General and administrative | ||||
| Depreciation, Depletion and Amortization | ||||
| Total depreciation and amortization of property and equipment | $ 478 | $ 56 | $ 540 | $ 94 |