v3.10.0.1
Property and equipment- Depreciation and amortization (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Depreciation and amortization        
Total depreciation and amortization of property and equipment $ 18,901 $ 18,245 $ 56,769 $ 49,244
Network access        
Depreciation and amortization        
Total depreciation and amortization of property and equipment 11,531 11,625 35,252 29,354
Network operations        
Depreciation and amortization        
Total depreciation and amortization of property and equipment 4,447 3,987 13,017 12,273
Development and technology        
Depreciation and amortization        
Total depreciation and amortization of property and equipment 2,664 2,375 7,740 6,840
General and administrative        
Depreciation and amortization        
Total depreciation and amortization of property and equipment $ 259 $ 258 $ 760 $ 777