Property and equipment

6 Months Ended

Jun. 30, 2018

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:

	June 30, 2018			December 31, 2017
Leasehold improvements	$	434,112		$	418,023
Software	46,389			42,281
Construction in progress	39,055			27,291
Computer equipment	13,378			13,245
Furniture, fixtures and office equipment	1,769			1,806
Total property and equipment	534,703			502,646
Less: accumulated depreciation and amortization	(256,419		)	(240,287		)
Total property and equipment, net	$	278,284		$	262,359

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 June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Network access	$	10,134	$	9,354	$	23,721	$	17,729
Network operations	4,314		4,131		8,570		8,286
Development and technology	2,568		2,270		5,076		4,465
General and administrative	246		259		501		519
Total depreciation and amortization of property and equipment	$	17,262	$	16,014	$	37,868	$	30,999