XML 142 R99.htm IDEA: XBRL DOCUMENT v3.24.3
Commitments and Contingencies - Narrative (Details) - USD ($)
$ in Thousands
 12 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Commitment and Contingencies [Line Items]    
Weighted average remaining lease term 9 years 6 months  
Weighted average discount rate 3.74%  
Operating lease payments $ 9,627 $ 6,418
Operating lease liability, statement of financial position [Extensible Enumeration] Accrued expenses and other liabilities Accrued expenses and other liabilities
Right-of-use assets obtained in exchange for lease liabilities $ 12,890 $ 2,349
Operating lease right-of-use asset, statement of financial position [Extensible Enumeration] Other assets Other assets
Right-of-use asset obtained in merger $ 11,478  
Rental expense 11,025 $ 7,686
Loans receivable, net 20,916,354 17,476,550
Loans in process 1,009,798 1,895,940
Federal Home Loan Bank Advances    
Commitment and Contingencies [Line Items]    
Loans receivable, net 902,606 0
Unfunded commitments    
Commitment and Contingencies [Line Items]    
Loans receivable, net 2,928,697 3,625,333
Reserve for unfunded commitments $ 21,500 $ 24,500