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Business Combinations - Intangible Assets (Details) - USD ($)
$ in Thousands
3 Months Ended
Nov. 21, 2019
Mar. 31, 2020
Developed Technology    
Business Combinations    
Useful life/amortization period 11 years 4 months 24 days 11 years 4 months 24 days
Customer Relationships    
Business Combinations    
Useful life/amortization period 5 years 5 years
Avedro    
Business Combinations    
Intangible assets subject to amortization $ 266,300  
Total intangible assets 385,200  
Avedro | In-Process Research and Development (IPR&D)    
Business Combinations    
Intangible assets not subject to amortization 118,900  
Avedro | Developed Technology    
Business Combinations    
Intangible assets subject to amortization 252,200  
Useful life/amortization period   11 years
Avedro | Customer Relationships    
Business Combinations    
Intangible assets subject to amortization $ 14,100  
Useful life/amortization period   5 years