Equity Transactions - Stock Based Compensation Expense by Function (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total stock compensation expense	$ 14,490	$ 11,087	$ 8,191
Technology and operations
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total stock compensation expense	2,292	1,698	1,226
Sales and marketing
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total stock compensation expense	4,646	2,989	2,363
General and administrative
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total stock compensation expense	$ 7,552	$ 6,400	$ 4,602