Leases - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Cash Flow, Operating Activities, Lessee [Abstract]
Operating cash flows from operating leases	$ 2,631	$ 1,950	$ 5,200	$ 3,599
Operating cash flows from finance leases	9	1	13	4
Financing cash flows from finance leases	$ 139	$ 127	$ 226	$ 312