v3.26.1
Available-for-sale Securities - Investments Pledged as Collateral to Secure Public Deposits and Securities Sold Under Agreements to Repurchase (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Jun. 30, 2025
Pledged as collateral | Public deposits    
Financial Instruments Owned and Pledged as Collateral [Line Items]    
Securities pledged as collateral $ 254.1 $ 294.3