Property and equipment (Details 2) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2016 |
Mar. 31, 2015 |
|
| Depreciation and amortization | ||
| Total depreciation and amortization of property and equipment | $ 10,308 | $ 8,054 |
| Network access | ||
| Depreciation and amortization | ||
| Total depreciation and amortization of property and equipment | 5,257 | 4,832 |
| Network operations | ||
| Depreciation and amortization | ||
| Total depreciation and amortization of property and equipment | 3,195 | 1,986 |
| Development and Technology | ||
| Depreciation and amortization | ||
| Total depreciation and amortization of property and equipment | 1,602 | 1,174 |
| General and administrative | ||
| Depreciation and amortization | ||
| Total depreciation and amortization of property and equipment | $ 254 | $ 62 |