Property and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Schedule of Property and Equipment, Net

Property and equipment, net, consisted of the following:

	December 31,
	2014			2013
Build-to-suit property	$	19,544		$	—
Leasehold improvements		15,051			12,034
Computer equipment and software		9,499			4,503
Furniture and fixtures		4,667			3,981
Construction in progress		1,360			1,177
Laboratory equipment		735			703
		50,856			22,398
Less: Accumulated depreciation		(9,695	)		(5,363	)
Total	$	41,161		$	17,035