v3.26.3
Long-Term Debt - Additional Information (Details) - USD ($)
$ in Millions
1 Months Ended 9 Months Ended
Aug. 31, 2026
Sep. 30, 2026
First Mortgage Bonds Due in 2029    
Debt Instrument [Line Items]    
Debt instrument issuance period   2026-05
Principal amount   $ 90.0
Debt instrument interest rate percentage   4.77%
Debt instrument year of maturity   2029
First Mortgage Bonds Due in 2056    
Debt Instrument [Line Items]    
Debt instrument issuance period   2026-05
Principal amount $ 70.0 $ 70.0
Debt instrument interest rate percentage 6.10% 6.10%
Debt instrument year of maturity 2056 2056