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Stock-based Compensation - Restricted Stock Unit Activity (Details)
$ / shares in Units, $ in Millions
 3 Months Ended
Mar. 31, 2022
USD ($)
shares
$ / shares
Weighted-Average Grant Date Fair Value  
Unrecognized compensation expense recognition period (in years) 1 year 7 months 6 days
Restricted Stock Units  
Shares  
Beginning Balance (in shares) 21,500
Granted (in shares) 309,372
Forfeited or expired (in shares) (5,428)
Ending Balance (in shares) 325,444
Weighted-Average Grant Date Fair Value  
Beginning Balance (in dollars per share) | $ / shares $ 25.97
Granted (in dollars per share) | $ / shares 10.25
Forfeited or expired (in dollars per share) | $ / shares 10.15
Ending Balance (in dollars per share) | $ / shares $ 11.29
Award vesting period 2 years
Number of shares per employee 1
Total unrecognized compensation cost | $ $ 2.9
Unrecognized compensation expense recognition period (in years) 1 year 4 months 24 days