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Stock-based Compensation - Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Stock-based compensation        
Proceeds from issuances of common stock from employee stock purchase plans     $ 203 $ 358
Unrecognized compensation cost related to outstanding options $ 43,096   $ 43,096  
Period over which unrecognized compensation cost is expected to be recognized as expense     2 years 7 months 6 days  
Stock-based compensation expense     $ 11,827 13,395
Restricted stock units        
Stock-based compensation        
Vesting period (in years)     4 years  
Total fair value of shares vested     $ 9,697 $ 10,515
Stock options        
Stock-based compensation        
Weighted-average grant date fair value per share of grants (in dollars per share)       $ 12.60
Employee stock purchase plan        
Stock-based compensation        
Employee Stock Purchase Plan, Purchase Price Percentage     85.00%  
Issuance for employee stock purchase plan, shares     13,421  
Proceeds from issuances of common stock from employee stock purchase plans     $ 203  
Total purchased proceeds $ 28 $ 65 $ 60 $ 137