CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2023	Sep. 30, 2022
CONSOLIDATED BALANCE SHEETS
Net of allowance for credit losses	$ 2,264	$ 2,612
Preferred stock, par value per share	$ 0.01	$ 0.01
Preferred stock, shares authorized	10,000,000	10,000,000
Common stock, par value per share	$ 0.01	$ 0.01
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	30,781,699	30,707,748
Treasury stock, shares	4,995,414	4,854,997