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 Ended June 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