Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Comprehensive income
Net income	$ 23,600	$ 27,583	$ 24,269
Other comprehensive income (loss)
Unrealized holding loss on investment securities available for sale, net of income taxes of $(209), $(2), and $(1), respectively	(781)	(12)	(3)
Change in 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, $1, and $(1), respectively	(1)	2	(3)
Accretion of OTTI on investment securities held to maturity, net of income taxes of $2, $2, and $4, respectively	6	8	17
Total other comprehensive income (loss), net of income taxes	(776)	(2)	11
Total comprehensive income	$ 22,824	$ 27,581	$ 24,280