Property and equipment (Tables)

6 Months Ended

Jun. 30, 2013

Property and equipment

Schedule of property and equipment

	June 30, 2013			December 31, 2012
Leasehold improvements	$	82,658		$	72,119
Construction in progress	10,665			6,295
Computer equipment	7,230			7,493
Software	8,662			7,519
Office equipment	411			411
Total property and equipment	109,626			93,837
Less: accumulated depreciation and amortization	(59,090		)	(51,426		)
Total property and equipment, net	$	50,536		$	42,411

Schedule of depreciation and amortization expense

	Three Months EndedJune 30,				Six Months Ended June 30,
	2013		2012		2013		2012
Network access	$	3,205	$	2,479	$	6,082	$	6,144
Network operations	1,008		716		1,816		1,390
Development and technology	472		130		888		280
General and administrative	49		33		81		59
Total depreciation and amortization of property and equipment	$	4,734	$	3,358	$	8,867	$	7,873