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Share-Based Compensation - Stock Options Activity (Details) - Stock options - 2021 Equity Incentive Plan - shares
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Stock Options    
Options outstanding at beginning of period (in shares) 329,500 522,675
Granted (in shares) 0 0
Exercised (in shares) (25,500) (88,375)
Forfeited (in shares) 0 0
Options outstanding at end of period (in shares) 304,000 434,300
Options exercisable at end of period (in shares) 304,000 434,300