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Share-Based Compensation - Stock Options Activity (Details) - Stock options - 2021 Equity Incentive Plan - shares
9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Stock Options    
Options outstanding at beginning of period (in shares) 522,675 730,550
Granted (in shares) 0 0
Exercised (in shares) (132,675) (182,875)
Forfeited (in shares) 0 0
Options outstanding at end of period (in shares) 390,000 547,675
Options exercisable at end of period (in shares) 390,000 547,675