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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]        
Tax effect of unrealized gain (loss) on securities $ 0 $ 4 $ 0 $ 16