v3.25.1
Derivative Instruments - Schedule of Notional Volume of Natural Gas Derivatives That is Expected to Settle or Mature Each Year (Details) - Natural gas swaps
MMBTU in Millions
3 Months Ended
Mar. 31, 2025
MMBTU
Derivative Instruments  
Notional volume of natural gas derivatives (in MMBTUs) 68.2
2025  
Derivative Instruments  
Notional volume of natural gas derivatives (in MMBTUs) 21.9
2026  
Derivative Instruments  
Notional volume of natural gas derivatives (in MMBTUs) 23.0
2027  
Derivative Instruments  
Notional volume of natural gas derivatives (in MMBTUs) 12.7
2028  
Derivative Instruments  
Notional volume of natural gas derivatives (in MMBTUs) 4.4
2029  
Derivative Instruments  
Notional volume of natural gas derivatives (in MMBTUs) 3.7
2030  
Derivative Instruments  
Notional volume of natural gas derivatives (in MMBTUs) 2.5