Stock-Based Compensation - Restricted Stock Units Granted (Details) - shares	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stocks granted (in shares)	587,848	485,880
Restricted Stock, Time Based Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stocks granted (in shares)	199,316	225,139
Restricted Stock, Performance Based Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stocks granted (in shares)	388,532	260,741