Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Comprehensive income
Net income	$ 6,663	$ 5,327	$ 14,169	$ 10,812
Unrealized holding gain (loss) on investment securities available for sale, net of income taxes of $64, $(40), $58 and $(45), respectively	239	(152)	220	(170)
Change in other than temporary impairment ("OTTI") on investment securities held to maturity, net of income taxes:
Accretion of OTTI on investment securities held to maturity, net of income taxes of $0, $1, $1 and $1, respectively	1	3	2	4
Total other comprehensive income (loss), net of income taxes	240	(149)	222	(166)
Total comprehensive income	$ 6,903	$ 5,178	$ 14,391	$ 10,646