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Goodwill and Intangible Assets - Schedule of Goodwill and Intangible Assets (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Dec. 31, 2018
Goodwill    
Gross Carrying Amount $ 92,873  
Net Carrying Amount 92,873 $ 92,873
Finite-lived intangible assets:    
Gross Carrying Amount 582,750  
Accumulated Amortization (401,701)  
Net Carrying Amount $ 181,049 $ 191,001
Collaboration agreements    
Finite-lived intangible assets:    
Weighted Amortizable Life 12 years  
Gross Carrying Amount $ 465,590  
Accumulated Amortization (326,532)  
Net Carrying Amount $ 139,058  
NanoCrystal technology    
Finite-lived intangible assets:    
Weighted Amortizable Life 13 years  
Gross Carrying Amount $ 74,600  
Accumulated Amortization (40,873)  
Net Carrying Amount $ 33,727  
OCR technologies    
Finite-lived intangible assets:    
Weighted Amortizable Life 12 years  
Gross Carrying Amount $ 42,560  
Accumulated Amortization (34,296)  
Net Carrying Amount $ 8,264