Summary of Significant Accounting Policies - Summary of Contract Liabilities (Details) $ in Thousands	3 Months Ended
	Dec. 31, 2023 USD ($)
Contract With Customer, Liability [Roll Forward]
Beginning contract liability	$ 51,649
Revenue recognized from contract liabilities included in the beginning balance	(31,378)
Increases due to cash received, net of amounts recognized in revenue during the period	30,706
Ending contract liability	$ 50,977