Property and equipment (Tables)

3 Months Ended

Mar. 31, 2013

Property and equipment

Schedule of property and equipment

	March 31, 2013			December 31, 2012
Leasehold improvements	$	77,115		$	72,119
Construction in progress	11,507			6,295
Computer equipment	7,457			7,493
Software	7,886			7,519
Office equipment	411			411
Total property and equipment	104,376			93,837
Less: accumulated depreciation and amortization	(55,363		)	(51,426		)
Total property and equipment, net	$	49,013		$	42,411

Schedule of depreciation and amortization expense

	Three Months Ended March 31,
	2013		2012
Network access	$	2,877	$	3,665
Network operations	808		674
Development and technology	416		150
General and administrative	32		26
Total depreciation and amortization of property and equipment	$	4,133	$	4,515