v3.25.2
Deposits (Narrative) (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Sep. 30, 2024
Deposits Liability [Line Items]    
CDs in denominations of more than $250 $ 1,465,541 $ 1,283,719
Certificates of Deposit    
Deposits Liability [Line Items]    
Brokered certificates of deposits $ 977,499 $ 1,217,303