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Stock-Based Compensation - Plan Information (Details)
$ in Thousands
12 Months Ended
Nov. 21, 2019
USD ($)
shares
Dec. 31, 2021
USD ($)
item
shares
Dec. 31, 2020
USD ($)
item
shares
Dec. 31, 2019
USD ($)
Stock-based compensation        
Preferred stock, shares authorized   5,000,000 5,000,000  
Preferred stock, shares outstanding   0 0  
Number of votes per common share | item   1 1  
Number of stock plans | item   3    
Expiration period   10 years    
Vesting percentage on first anniversary of grant date   25.00%    
Remaining vesting period   3 years    
Fair value of Replacement Awards attributable to pre-combination services | $     $ 13,000 $ 4,500
Fair value adjustment of stock-based compensation expense | $     (3,200)  
Stock-based compensation expense | $   $ 30,146 43,305 39,481
Accrued Liabilities        
Stock-based compensation        
Accrued liability for cash-settled options | $     $ 2,200 $ 3,100
Employee Stock Purchase Plan 2015        
Stock-based compensation        
Maximum employee contributions as a percentage of earnings under the ESPP   15.00%    
Purchase price per share expressed as a percentage of the lower of the stock's fair market value on the offering date or purchase date under the ESPP   85.00%    
First anniversary | Restricted Stock Units (RSUs) [Member]        
Stock-based compensation        
Vesting (as a percent)   25.00%    
Second anniversary | Restricted Stock Units (RSUs) [Member]        
Stock-based compensation        
Vesting (as a percent)   25.00%    
Third anniversary | Restricted Stock Units (RSUs) [Member]        
Stock-based compensation        
Vesting (as a percent)   25.00%    
Fourth anniversary | Restricted Stock Units (RSUs) [Member]        
Stock-based compensation        
Vesting (as a percent)   25.00%    
Avedro        
Stock-based compensation        
Fair value of Replacement Awards attributable to pre-combination services | $ $ 30,800      
Fair value of Replacement Awards attributable to post-combination services | $   $ 26,000    
Avedro | Restricted Stock Units (RSUs) [Member]        
Stock-based compensation        
Shares issued in connection with Acquisition 5,500      
Avedro | Cash-Settled Stock Option        
Stock-based compensation        
Shares issued in connection with Acquisition 200,000      
Avedro | Stock options        
Stock-based compensation        
Shares issued in connection with Acquisition 100,000      
Avedro | Time Vesting | Restricted Stock Units (RSUs) [Member]        
Stock-based compensation        
Shares issued in connection with Acquisition 100,000      
Avedro | Time Vesting | Stock options        
Stock-based compensation        
Shares issued in connection with Acquisition 700,000