Property and Equipment (Tables)

6 Months Ended

Jun. 30, 2018

Property Plant And Equipment [Abstract]

Property and Equipment and Related Accumulated Depreciation and Amortization

Property and equipment and related accumulated depreciation and amortization are as follows (in thousands):

	June 30, 2018			December 31, 2017
Lab equipment	$	37,867		$	36,533
Computer equipment		12,285			11,808
Software		13,013			10,694
Furniture and office equipment		5,442			3,959
Leasehold improvements		37,765			26,968
Construction in progress		10,214			7,523
Total cost		116,586			97,485
Less: accumulated depreciation and amortization		(65,808	)		(56,366	)
Total property and equipment, net	$	50,778		$	41,119