Stock-Based Compensation - Schedule of Information about Stock Options (Details)	6 Months Ended
	Mar. 31, 2025 USD ($) $ / shares shares	Mar. 31, 2024 shares
Shares
Beginning balance (in shares) | shares	1,978,516
Granted (in shares) | shares	0	0
Cancelled or expired (in shares) | shares	(30,466)
Exercised (in shares) | shares	(422,333)
Ending balance (in shares) | shares	1,525,717
Number of Options Outstanding, Exercisable (in shares) | shares	1,525,717
Weighted- Average Exercise Price Per Share
Beginning balance (in dollars per share) | $ / shares	$ 23.39
Granted (in dollars per share) | $ / shares	0
Cancelled or expired (in dollars per share) | $ / shares	43.12
Exercised (in dollars per share) | $ / shares	7.67
Ending balance (in dollars per share) | $ / shares	27.35
Weighted-Average Exercise Price Per Share, Exercisable (in dollars per share) | $ / shares	$ 27.35
Weighted- Average Remaining Contractual Term (Years)	3 years 8 months 12 days
Weighted-Average Remaining Contractual Term, Exercisable	3 years 8 months 12 days
Aggregate Intrinsic Value | $	$ 3,831,887
Aggregate Intrinsic Value, Exercisable | $	$ 3,831,887