Annual report pursuant to Section 13 and 15(d)

Stock-Based Payments - Summary of Status of Stock Options (Details)

v3.22.0.1
Stock-Based Payments - Summary of Status of Stock Options (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]    
Outstanding at beginning of year (in shares) 5,468,605  
Granted (in shares) 2,417,600  
Exercised (in shares) (20,134)  
Cancelled (in shares) (1,208,803)  
Outstanding at end of period (in shares) 6,657,268 5,468,605
Exercisable (in shares) 3,736,652  
Outstanding at beginning of year (in dollars per share) $ 8.90  
Granted (in dollars per share) 7.69  
Exercised (in dollars per share) 7.77  
Cancelled (in dollars per share) 10.00  
Outstanding at end of period (in dollars per share) 8.27 $ 8.90
Exercisable (in dollars per share) $ 8.86  
Remaining Contractual Life, Outstanding 7 years 2 months 12 days 7 years 2 months 12 days
Remaining Contractual Life, Exercisable 5 years 9 months 18 days  
Aggregate Intrinsic Value, Outstanding $ 494 $ 13,124
Aggregate Intrinsic Value, Options Exercisable $ 494