Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2013

Property, Plant and Equipment [Abstract]

Summary of Property and Equipment, Net

Property and equipment, net, are stated at cost, subject to review of impairment, and depreciated using the straight-line method over the estimated useful lives of the assets as follows:

Computer equipment and software	3—5 years
Furniture and fixtures	3—5 years
Leasehold improvements	shorter of the lease term or estimated useful life

When assets are sold, or otherwise disposed of, the cost and related accumulated depreciation are removed from the accounts and any gain or loss is included in operating expenses. Repairs and maintenance are charged to operations as incurred.

Property and equipment, net consists of the following (in thousands):

	December 31,
	2013			2012
Computer equipment and software	$	90,617		$	46,541
Furniture and fixtures	13,751			4,691
Leasehold improvements	8,371			2,649
Construction in progress	928			4,855
	113,667			58,736
Less: Accumulated depreciation	(38,107		)	(16,394		)
Total property and equipment, net	$	75,560		$	42,342