Property and equipment

3 Months Ended

Mar. 31, 2017

Property and equipment

Property and equipment

4. Property and equipment

The following is a summary of property and equipment, at cost less accumulated depreciation and amortization:

	March 31, 2017			December 31, 2016
Leasehold improvements	$	362,314		$	358,477
Software	35,778			33,349
Construction in progress	27,437			18,859
Computer equipment	11,186			10,878
Furniture, fixtures and office equipment	1,751			1,760
Total property and equipment	438,466			423,323
Less: accumulated depreciation and amortization	(187,531		)	(172,558		)
Total property and equipment, net	$	250,935		$	250,765

Depreciation and amortization expense, which includes depreciation and amortization for property and equipment under capital leases, is allocated as follows in the accompanying condensed consolidated statements of operations:

	Three Months Ended March 31,
	2017		2016
Network access	$	8,375	$	5,257
Network operations	4,155		3,195
Development and technology	2,195		1,602
General and administrative	260		254
Total depreciation and amortization of property and equipment	$	14,985	$	10,308