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Stock-Based Compensation - Restricted Stock Units Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Number of Shares    
Vested (in shares) (51,762)  
Restricted stock units    
Number of Shares    
Unvested beginning balance (in shares) 239,936  
Granted (in shares) 937,506 58,500
Vested (in shares) (14,625)  
Forfeited (in shares) (1,428)  
Unvested ending balance (in shares) 1,161,389  
Weighted-Average Grant Date Fair Value    
Unvested beginning balance (in dollars per share) $ 17.21  
Granted (in dollars per share) 10.28  
Vested (in dollars per share) 14.00  
Forfeited (in dollars per share) 20.28  
Unvested ending balance (in dollars per share) $ 17.18  
Aggregate Fair Value    
Unvested balance at January 1, 2022 $ 4,129  
Granted 9,638  
Vested 205  
Forfeited 29  
Unvested balance as of March 31, 2022 $ 19,953