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Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2025
Mar. 31, 2024
Statement of Comprehensive Income [Abstract]        
Unrealized holding loss on investment securities available for sale, tax $ 32 $ 22 $ (183) $ 88
Accretion of OTTI on investment securities held to maturity, tax $ 0 $ 0 $ 0 $ 2