Operating Leases - Schedule of Lease Expense and Cash Payments & Weighted-Average Remaining Lease Term and Discount Rate (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Leases [Abstract]
Operating lease expense	$ 1,108	$ 963	$ 3,207	$ 2,920
Cash payments on lease liabilities	$ 1,399	$ 1,027	$ 3,393	$ 3,271
Weighted-average remaining lease term	6 years 8 months 12 days	7 years 2 months 12 days	6 years 8 months 12 days	7 years 2 months 12 days
Weighted-average discount rate	6.26%	5.95%	6.26%	5.95%