Share-Based Compensation - Stock Options Activity (Details) - Stock options - 2021 Equity Incentive Plan - shares	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Stock Options
Options outstanding at beginning of period (in shares)	730,550	824,300
Granted (in shares)	0	0
Exercised (in shares)	(182,875)	(63,750)
Forfeited (in shares)	0	0
Options outstanding at end of period (in shares)	547,675	760,550
Options exercisable at end of period (in shares)	547,675	755,550