Stockholders' Equity - Schedule of Non-vested Restricted Stock Units (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Sep. 30, 2022 USD ($) $ / shares shares
Time-Based Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Non-vested, Shares, Beginning balance	1,420,532
Non-vested, Shares, Granted	808,938
Non-vested, Shares, Vested	(1,029,854)
Non-vested, Shares, Forfeited	(203,600)
Non-vested, Shares, Ending balance	996,016
Performance-Based Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Non-vested, Shares, Beginning balance	654,619
Non-vested, Shares, Granted	390,025
Non-vested, Shares, Vested	(474,681)
Non-vested, Shares, Forfeited	(134,968)
Non-vested, Shares, Ending balance	434,995
Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Non-vested, Shares, Beginning balance	2,075,151
Non-vested, Shares, Granted	1,198,963
Non-vested, Shares, Vested	(1,504,535)
Non-vested, Shares, Forfeited	(338,568)
Non-vested, Shares, Ending balance	1,431,011
Non-vested, Shares, Expected to vest	1,431,011
Non-vested, Weighted-Average Grant-Date Fair Value, Beginning balance | $ / shares	$ 44.20
Non-vested, Weighted-Average Grant-Date Fair Value, Granted | $ / shares	69.43
Non-vested, Weighted-Average Grant-Date Fair Value, Vested | $ / shares	58.70
Non-vested, Weighted-Average Grant-Date Fair Value, Forfeited | $ / shares	54.35
Non-vested, Weighted-Average Grant-Date Fair Value, Ending balance | $ / shares	62.49
Non-vested, Weighted-Average Grant-Date Fair Value, Expected to vest | $ / shares	$ 62.49
Non-vested, Weighted-Average Remaining Contractual Term (years), Balance	8 months 12 days
Non-vested, Weighted-Average Remaining Contractual Term (years), Expected to vest	8 months 12 days
Non-vested, Aggregate Intrinsic Value, Balance | $	$ 22,524
Non-vested, Aggregate Intrinsic Value, Expected to vest | $	$ 22,524