Loans Receivable And Allowance For Credit Losses (Reserve for Off-Balance Sheet Credit Exposures) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning Balance	$ 4,095	$ 4,751
Provision for credit losses	(277)	840
Ending Balance	3,834	$ 5,591
Accounting Standards Update 2022-02 [Member] | Accounting Standards Update 2022-02 Cumulative Effect, Period of Adoption [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning Balance	16
Accounting Standards Update 2022-02 [Member] | Balance at October 1, 2023 [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning Balance	$ 4,111