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Stock-Based Compensation - Stock Award Modifications (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended
Feb. 28, 2022
Nov. 30, 2021
Mar. 31, 2022
Mar. 31, 2021
Options [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Compensation expense     $ 3,947 $ 2,604
Options [Member] | General and Administrative [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Compensation expense     2,030 $ 1,014
Modified Awards [Member] | Former President and C E O [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Vesting period of awards granted   12 months    
Share-based Compensation Arrangement Period During Which Continuous Service Must Be Performed For Awards To Be Modified   12 months    
Awards that would have vested during the period following the consulting period are deemed to be type 3 modifications   12 months    
Term of awards granted   18 months    
Modified Awards [Member] | Former President and C E O [Member] | General and Administrative [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Total incremental stock compensation expense relating to modifications of Stock Awards     1,564  
Incremental stock compensation expense relating to modification of stock options     $ 903  
Modified Awards [Member] | Former President and C E O [Member] | Performance Restricted Stock Units [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Restricted stock units, vested 17,333