Stockholders' Equity (Details) - USD ($)	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022	May 31, 2022
Equity [Abstract]
Preferred stock outstanding (in shares)	0
Common stock authorized (in shares)	63,000,000	63,000,000
Common stock issued (in shares)	31,047,510	31,351,434
Common stock outstanding (in shares)	31,047,510	31,351,434
Authorized amount repurchase of common stock				$ 50,000,000
Share repurchases (in shares)	455,000	0	570,000
Aggregate repurchased value	$ 12,929,000		$ 8,154,000
Shares repurchased, average price per share (in usd per share)	$ 28.41		$ 14.33
Remaining availability repurchase amount	$ 28,900,000
Dividends paid	$ 0	$ 0	$ 0
382 ownership limitation	4.95%