v3.25.2
Loans And Allowance For Credit Losses (Loans Held For Investment) (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Mar. 31, 2025
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Sep. 30, 2023
Loan Portfolio [Line Items]            
Deferred loan expenses, net $ 15,668,537   $ 15,392,061      
Loans, net 15,595,997   15,322,059      
Other Loans            
Loan Portfolio [Line Items]            
Loans held for investment 7,745   5,705      
Deferred loan expenses, net 7,745   5,705      
Deferred Loan Expense            
Loan Portfolio [Line Items]            
Deferred loan expenses, net 69,517   64,956      
Real Estate Loans            
Loan Portfolio [Line Items]            
Loans held for investment 15,598,046   15,333,086      
Deferred loan expenses, net 15,660,792   15,386,356      
Loan in Process 6,771   11,686      
Allowance for credit losses on loans (72,540) $ (70,546) (70,002) $ (67,529) $ (68,169) $ (77,315)
Real Estate Loans | Residential Core            
Loan Portfolio [Line Items]            
Loans held for investment 10,969,930   11,385,142      
Deferred loan expenses, net 10,996,430   11,408,854      
Allowance for credit losses on loans (40,979) (40,665) (44,402) (45,214) (47,714) (55,375)
Real Estate Loans | Residential Home Today            
Loan Portfolio [Line Items]            
Loans held for investment 37,474   40,936      
Deferred loan expenses, net [1] 37,009   40,471      
Allowance for credit losses on loans 2,922 2,440 2,672 3,104 2,624 1,236
Real Estate Loans | Home Equity Line of Credit            
Loan Portfolio [Line Items]            
Loans held for investment 3,881,132   3,323,381      
Deferred loan expenses, net 3,919,031   3,360,143      
Allowance for credit losses on loans (20,788) (19,462) (16,590) (15,450) (14,376) (16,086)
Real Estate Loans | Home Equity Loan            
Loan Portfolio [Line Items]            
Loans held for investment 695,004   561,926      
Deferred loan expenses, net 700,671   566,873      
Allowance for credit losses on loans (13,666) (12,832) (11,642) (9,919) (8,622) (6,961)
Real Estate Loans | Construction            
Loan Portfolio [Line Items]            
Deferred loan expenses, net 7,651   10,015      
Allowance for credit losses on loans (29) $ (27) (40) $ (50) $ (81) $ (129)
Real Estate Loans | Construction            
Loan Portfolio [Line Items]            
Loans held for investment $ 14,506   $ 21,701      
[1] No new originations of Home Today loans since fiscal year 2016.