Summary of Significant Accounting Policies - Narrative (Details) - USD ($)	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee retention credit (income) expense	$ 0	$ 0
Restricted shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted and performance shares (in shares)	0
Performance shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted and performance shares (in shares)	0