v3.26.3
Subsequent Event (Details) - Subsequent Event
$ in Millions
Oct. 14, 2026
USD ($)
6.08% Senior Unsecured Notes | Senior Notes  
Subsequent Event [Line Items]  
Principal amount $ 75.0
Interest rate 6.08%
6.41% Senior Unsecured Notes | Senior Notes  
Subsequent Event [Line Items]  
Principal amount $ 50.0
Interest rate 6.41%
2046 Bonds | First Mortgage Bonds  
Subsequent Event [Line Items]  
Principal amount $ 50.0
Interest rate 6.49%
2056 Bonds | First Mortgage Bonds  
Subsequent Event [Line Items]  
Principal amount $ 100.0
Interest rate 6.54%