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Stock-Based Compensation (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended
Nov. 30, 2021
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Jun. 30, 2015
Employee Stock [Member]          
Stock Based Compensation          
Shares reserved for issuance   3,739,711     3,451,495
Shares granted 0        
Shares reserved for issuance as a proportion of common stock outstanding (as a percent)   4.00%      
Employee Stock [Member] | Minimum          
Stock Based Compensation          
Shares reserved for issuance   880,000      
Additional shares reserved for issuance   3,500,000      
Shares reserved for issuance as a proportion of common stock outstanding (as a percent)   1.00%      
Performance-based awards          
Stock Based Compensation          
Stock-based compensation expense   $ 13,500 $ 11,000    
Options to purchase common stock          
Stock Based Compensation          
Stock-based compensation expense   $ 35,087 $ 23,232    
Shares granted   4,105,000      
Shares available for issuance   3,617,000   4,319,000  
Restricted stock units          
Stock Based Compensation          
Number of shares vested   488,000      
Shares granted   4,105,000