Property and Equipment, Net (Tables)

9 Months Ended

Sep. 30, 2014

Property, Plant and Equipment [Abstract]

Schedule of Property and Equipment, Net

Property and equipment, net, consisted of the following:

	September 30, 2014			December 31, 2013
Build-to-suit property	$	19,030		$	—
Leasehold improvements		14,849			12,034
Computer equipment and software		7,624			4,503
Furniture and fixtures		4,660			3,981
Construction in progress		2,631			1,177
Laboratory equipment		714			703
		49,508			22,398
Less: Accumulated depreciation		(8,433	)		(5,363	)
Total	$	41,075		$	17,035