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Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Statement of Comprehensive Income [Abstract]        
Unrealized holding loss on investment securities available for sale, tax $ (28) $ 53 $ (212) $ 142
Accretion of OTTI on investment securities held to maturity, tax $ 0 $ 0 $ 0 $ 2