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Property and equipment,net (Tables)
 6 Months Ended
Jun. 30, 2016
Property and equipment, net  
Schedule of property and equipment

Property and equipment, net consists of the following:

 

 

 

 

 

 

 

 

 

 

 

June 30,

 

December 31,

 

 

 

    

2016

    

2015

 

 

 

 

(in thousands)

 

 

Office equipment

    

$
9,131

 

$
6,753

 

 

Laboratory equipment

 

 
34,797

    

 
31,296

 

 

Computer equipment

 

 
30,464

 

 
22,491

 

 

Land

 

 
3,825

 

 

 —

 

 

Building and leasehold improvements

 

 
104,789

 

 
70,729

 

 

 

 

 
183,006

 

 
131,269

 

 

Less accumulated depreciation and amortization

 

 
(44,493)

 

 
(45,263)

 

 

Property and equipment, net

 

$
138,513

 

$
86,006