v3.22.4
Commitments And Contingent Liabilities (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended
Dec. 31, 2022
Sep. 30, 2022
Unfunded And Commitments To Originate [Line Items]    
Commitment to securitize and sell mortgage loans $ 12,549 $ 9,661
Unfunded Commitments, Equity Lines of Credit Including Suspended Accounts    
Unfunded And Commitments To Originate [Line Items]    
Unfunded commitments on home equity lines of credit (including commitments for suspended accounts) 4,253,178  
Loans    
Unfunded And Commitments To Originate [Line Items]    
Commitment to securitize and sell mortgage loans $ 4,397 $ 0
Minimum    
Unfunded And Commitments To Originate [Line Items]    
Fixed expiration of commitments to extend credit (in days) 60 days  
Home equity line of credit unfunded commitments expiration, years 5 years  
Maximum    
Unfunded And Commitments To Originate [Line Items]    
Fixed expiration of commitments to extend credit (in days) 360 days  
Home equity line of credit unfunded commitments expiration, years 10 years