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