Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Comprehensive income
Net income	$ 24,283	$ 27,118	$ 23,600
Other comprehensive income (loss)
Unrealized holding gain (loss) on investment securities available for sale, net of income taxes of $291, $(98), and $(209), respectively	1,095	(369)	(781)
Change in other than temporary impairment ("OTTI") on investment securities held to maturity, net of income taxes:
Adjustments related to other factors for which OTTI was previously recognized, net of income taxes of $0, $0, and $0, respectively	0	0	(1)
Accretion of OTTI on investment securities held to maturity, net of income taxes of $2, $1, and $2, respectively	9	2	6
Total other comprehensive income (loss), net of income taxes	1,104	(367)	(776)
Total comprehensive income	$ 25,387	$ 26,751	$ 22,824