Stock-Based Compensation - Restricted Stock (Details) - Restricted stock	12 Months Ended
	Sep. 30, 2025 $ / shares shares
Weighted Average Price
Nonvested, beginning period (in dollars per share) | $ / shares	$ 35.36
Granted (in dollars per share) | $ / shares	20.33
Vested (in dollars per share) | $ / shares	37.00
Forfeited (in dollars per share) | $ / shares	25.96
Nonvested, ending period (in dollars per share) | $ / shares	$ 24.78
Restricted Shares/Units
Nonvested, beginning period (in shares) | shares	1,190,664
Granted (in shares) | shares	1,383,034
Vested (in shares) | shares	(520,290)
Forfeited (in shares) | shares	(77,806)
Nonvested, ending period (in shares) | shares	1,975,602