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Share-Based Compensation - Stock option activity (Details) - 2020 Equity Incentive Plan - Stock option - $ / shares
 1 Months Ended 12 Months Ended
Dec. 31, 2022
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Number of shares        
Balance at beginning of the year (in shares)   108,866 123,804  
Granted (in shares) 149,757 2,050 30,956  
Exercised (in shares)   (110,916) 0  
Forfeited (in shares)     (35,634)  
Expired (in shares)     (10,260)  
Balance at end of the year (in shares) 108,866   108,866 123,804
Weighted average exercise price        
Balance at beginning of the year (in dollars per share)   $ 67.69 $ 67.66  
Granted (in dollars per share)   74.73 74.56  
Exercised (in dollars per share)   $ 74.73    
Forfeited (in dollars per share)     71.87  
Expired (in dollars per share)     72.80  
Balance at end of the year (in dollars per share) $ 67.69   $ 67.69 $ 67.66
Weighted average remaining term and Aggregate Intrinsic Value        
Weighted average remaining term (in years)     7 years 2 months 12 days 9 years 3 months 18 days