Commitments and Contingencies - Additional Information (Details) $ in Millions	9 Months Ended
	Jun. 30, 2022 USD ($)
Commitments and Contingencies [Line Items]
Purchase obligation	$ 24.4
Minimum
Commitments and Contingencies [Line Items]
Severance payment term	12 months
Maximum
Commitments and Contingencies [Line Items]
Severance payment term	24 months