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Stock-Based Compensation Plans - Restricted stock activity (Details) - Restricted Stock
3 Months Ended
Mar. 31, 2023
shares
Number Outstanding  
Balance of unvested shares at the beginning of the period (in shares) 495,948
Shares granted (in shares) 0
Shares forfeited (in shares) (1,999)
Shares vested (in shares) 0
Balance of unvested shares at the end of the period (in shares) 493,949