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Property and Equipment, net (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Property and equipment, net    
Property and Equipment, gross $ 1,002,897 $ 1,021,447
Less accumulated depreciation and amortization (282,898) (269,934)
Property and equipment, net 719,999 751,513 [1]
Office equipment    
Property and equipment, net    
Property and Equipment, gross 23,417 23,417
Laboratory equipment    
Property and equipment, net    
Property and Equipment, gross 217,437 220,677
Computer equipment    
Property and equipment, net    
Property and Equipment, gross 150,181 147,570
Land    
Property and equipment, net    
Property and Equipment, gross 10,561 10,931
Building and leasehold improvements    
Property and equipment, net    
Property and Equipment, gross 572,491 584,755
Operating lease right-of-use assets    
Property and equipment, net    
Property and Equipment, gross 18,037 20,553
Construction in progress    
Property and equipment, net    
Property and Equipment, gross $ 10,773 $ 13,544
[1] The condensed consolidated balance sheet at December 31, 2023 has been derived from the audited consolidated financial statements at that date.