Property and equipment (Tables)

12 Months Ended

Dec. 31, 2018

Property and equipment

Schedule of property and equipment

	December 31,
	2018		2017
Leasehold improvements	$	474,808	$	418,023
Software		51,534		42,281
Construction in progress		40,369		27,291
Computer equipment		14,215		13,245
Furniture, fixtures and office equipment		2,141		1,806
Total property and equipment		583,067		502,646
Less: accumulated depreciation and amortization		(268,888)		(240,287)
Total property and equipment, net	$	314,179	$	262,359

Schedule of depreciation and amortization expense of property and equipment

	Year Ended
	December 31,
	2018		2017		2016
Network access	$	49,766	$	42,435	$	27,013
Network operations		17,590		16,382		13,966
Development and technology		10,443		9,247		7,207
General and administrative		1,038		1,033		1,016
Total depreciation and amortization of property and equipment	$	78,837	$	69,097	$	49,202