Derivative Instruments - Power Derivative Transactions (Details) $ in Thousands |
6 Months Ended |
|---|---|
|
Jun. 30, 2026
USD ($)
MMBTU
MWh
| |
| Natural gas | 2026 | |
| Derivative [Line Items] | |
| Quantity | MMBTU | 3,066,000 |
| Derivative, fair value, net | $ (2,752) |
| Natural gas | 2027 | |
| Derivative [Line Items] | |
| Quantity | MMBTU | 12,264,000 |
| Derivative, fair value, net | $ 507 |
| Power forwards - sales | 2026 | |
| Derivative [Line Items] | |
| Quantity | MWh | 438,000 |
| Derivative, fair value, net | $ 5,959 |
| Power forwards - sales | 2027 | |
| Derivative [Line Items] | |
| Quantity | MWh | 1,752,000 |
| Derivative, fair value, net | $ 2,378 |
| Heat rate call option | 2026 | |
| Derivative [Line Items] | |
| Quantity | MMBTU | 2,628,000 |
| Derivative, fair value, net | $ 13,891 |
| Power forwards - purchases | 2026 | |
| Derivative [Line Items] | |
| Quantity | MWh | 344,030 |
| Derivative, fair value, net | $ (6,145) |
| Power forwards - purchases | 2027 | |
| Derivative [Line Items] | |
| Quantity | MWh | 87,600 |
| Derivative, fair value, net | $ (735) |