v3.22.4
Loans And Allowance For Credit Losses (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Sep. 30, 2022
Loan Portfolio [Line Items]      
Accrued interest receivable $ 45,317   $ 40,256
Loans classified as mortgage loans held for sale 12,549   9,661
Total 14,547,972   14,329,962
Transfer of Loans Held-for-sale to Portfolio Loans 0    
Real Estate Loans      
Loan Portfolio [Line Items]      
Real estate loans 14,552,472   14,348,751
Total 14,544,491   14,326,699
Loans in process of foreclosure 8,768   9,833
Special Mention | Real Estate Loans      
Loan Portfolio [Line Items]      
Total 4,726   3,409
Loans      
Loan Portfolio [Line Items]      
Accrued interest receivable 44,068   39,124
Loan Sales In Quarter      
Loan Portfolio [Line Items]      
Principal balance of loans sold 19,182 $ 102,006  
Loan Sales In Contracts Pending Settlement      
Loan Portfolio [Line Items]      
Principal balance of loans sold   $ 32,968  
Construction | Real Estate Loans      
Loan Portfolio [Line Items]      
Real estate loans 113,815   121,759
Total 53,083   48,478
Construction | Special Mention | Real Estate Loans      
Loan Portfolio [Line Items]      
Total $ 0    
Construction/Permanent Loans | LTV 85 Percent | Maximum      
Loan Portfolio [Line Items]      
Loan To Completed Appraised Value, Percentage 85.00%    
Home Equity Loans And Lines Of Credit | Real Estate Loans      
Loan Portfolio [Line Items]      
Real estate loans $ 2,699,513   2,633,878
Total $ 2,732,441   $ 2,666,132
Home Equity Loans And Lines Of Credit | Florida      
Loan Portfolio [Line Items]      
Residential real estate loans held, percent 21.00%   20.00%
Home Equity Loans And Lines Of Credit | Ohio      
Loan Portfolio [Line Items]      
Residential real estate loans held, percent 26.00%   27.00%
Home Equity Loans And Lines Of Credit | California      
Loan Portfolio [Line Items]      
Residential real estate loans held, percent 17.00%   16.00%
Home Equity Loans And Lines Of Credit | Special Mention | Real Estate Loans      
Loan Portfolio [Line Items]      
Total $ 3,085   $ 1,729
Residential Core | Real Estate Loans      
Loan Portfolio [Line Items]      
Real estate loans 11,687,740   11,539,859
Total 11,708,018   11,559,281
Residential Core | Special Mention | Real Estate Loans      
Loan Portfolio [Line Items]      
Total 1,641   1,680
Residential Core | Adjustable Rate Residential Mortgage      
Loan Portfolio [Line Items]      
Real estate loans 4,703,176   $ 4,668,089
Home Today loans Originated After September 2016      
Loan Portfolio [Line Items]      
Real estate loans $ 0    
Residential Core, Home Today and Construction | Florida      
Loan Portfolio [Line Items]      
Residential real estate loans held, percent 18.00%   18.00%
Residential Core, Home Today and Construction | Ohio      
Loan Portfolio [Line Items]      
Residential real estate loans held, percent 57.00%   56.00%
Residential Home Today | Real Estate Loans      
Loan Portfolio [Line Items]      
Real estate loans $ 51,404   $ 53,255
Total [1] 50,949   52,808
Residential Home Today | Special Mention | Real Estate Loans      
Loan Portfolio [Line Items]      
Total $ 0   $ 0
[1] No new originations of Home Today loans since fiscal 2016.