Leases - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Lessee, Lease, Description [Line Items]
Operating lease right of use asset non cash	$ 14.3
Operating lease liability non cash		$ 1.6
Minimum
Lessee, Lease, Description [Line Items]
Initial term of lease (in years)	3 years
Maximum
Lessee, Lease, Description [Line Items]
Initial term of lease (in years)	10 years