Leases - Additional Information (Details) $ in Millions	9 Months Ended
	Jun. 30, 2022 USD ($)
Lessee Lease Description [Line Items]
Operating lease, existence of option to extend	true
Operating lease, optional lease extension periods for multiple leases, description	Operating lease payments include $6.3 million related to optional lease extension periods for multiple leases that are not yet exercisable but are reasonably certain of being exercised.
Payments related to optional lease extension periods for multiple leases	$ 6.3