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Securities (Schedule Of Taxable And Non-taxable Components Of Interest Income) (Details) - USD ($)
$ in Thousands
3 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Marketable Securities [Abstract]    
Taxable $ 1,437 $ 1,348
Non-taxable 70 93
Interest income on investment securities $ 1,507 $ 1,441