Property and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2016

Property Plant And Equipment [Abstract]

Schedule of Property and Equipment, Net

Property and equipment, net as of December 31, 2016 and 2015 consisted of the following:

	December 31,
(in thousands)	2016			2015
Lab equipment	$	20,752		$	19,305
IT equipment		8,601			7,742
Leasehold improvements		21,153			21,026
Furniture and fixtures		959			910
Construction in process		515			2,243
Total property and equipment, gross		51,980			51,226
Less: Accumulated depreciation		(36,215	)		(29,311	)
Total property and equipment, net	$	15,765		$	21,915