Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation - Stock Option Activity (Details)

v3.22.2.2
Stock Based Compensation - Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2022
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Share-based compensation        
Number of shares, Outstanding at beginning of period   1,911,177    
Number of shares, Granted 0 222,972    
Number of shares, Exercised   (128,811)    
Number of shares, Forfeited, expired or cancelled   (48,600)    
Number of shares, Outstanding at end of period 1,956,738 1,956,738   1,911,177
Number of shares, Exercisable at end of period 1,572,356 1,572,356    
Weighted Average Exercise Price Per Share, Outstanding at beginning of period   $ 20.64    
Weighted Average Exercise Price Per Share, Granted   19.83    
Weighted Average Exercise Price Per Share, Exercised   7.22    
Weighted Average Exercise Price Per Share, Forfeited, expired or cancelled   64.55    
Weighted Average Exercise Price Per Share, Outstanding at end of period $ 20.34 20.34   $ 20.64
Weighted Average Exercise Price Per Share, Exercisable at end of period $ 19.09 $ 19.09    
Weighted Average Contractual Term, Outstanding   6 years 2 months 15 days   6 years 3 months 29 days
Weighted Average Contractual Term, Exercisable   5 years 6 months 10 days    
Aggregate Intrinsic Value, Outstanding $ 10,284 $ 10,284   $ 15,103
Aggregate Intrinsic Value, Exercisable 10,282 10,282    
Options exercised, aggregate intrinsic value   $ 2,800 $ 1,600  
Weighted-average grant-date fair value (in dollars per share)   $ 12.21 $ 26.21  
Stock Options        
Share-based compensation        
Unrecognized compensation expense related to stock options (in dollars) $ 4,200 $ 4,200    
Weighted average period of unrecognized compensation expense expected to be recognized   1 year 11 months 12 days