v3.25.1
Note 7 - Derivatives - Fair Value Hedge (Details) - Fair Value Hedging [Member] - USD ($)
$ in Billions
Mar. 31, 2025
Mar. 16, 2023
Notional amount   $ 0.3
Fixed pay rate   3.82%
Interest Rate Swap [Member]    
Notional amount $ 0.3  
Fixed pay rate 3.82%  
Overnight SOFR receive rate 4.41%  
Maturity (Year) 11 months 15 days