Property and equipment, net (Tables)

9 Months Ended

Sep. 30, 2018

Property and equipment, net

Schedule of property and equipment, net

Property and equipment, net consists of the following:

	September 30,		December 31,
	2018		2017
	(in thousands)
Office equipment	$	16,478	$	14,674
Laboratory equipment		60,117		48,807
Computer equipment		56,857		51,351
Land		10,112		5,350
Building and leasehold improvements		253,099		214,245
		396,663		334,427
Less accumulated depreciation and amortization		(95,896)		(74,664)
Property and equipment, net	$	300,767	$	259,763