v3.26.1
Derivative and Hedging Instruments (Details-5)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
Counterparty
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Counterparty
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Counterparties in net liability position or default [Abstract]          
Derivative, net liability position of counterparties $ 0   $ 0   $ 0
Number of counterparties in default | Counterparty 0   0    
Commodity Contract [Member] | Fuel For Electric Generation Purchased Power [Member]          
Derivative Instruments, Gain (Loss) [Line Items]          
Realized losses (gains) on income statement $ 306 $ 198 $ (566) $ 596  
Commodity Contract [Member] | Cost Of Gas Sold Expense [Member]          
Derivative Instruments, Gain (Loss) [Line Items]          
Realized losses (gains) on income statement 0 0 (2,231) (203)  
Financial Transmission Rights [Member] | Fuel For Electric Generation Purchased Power [Member]          
Derivative Instruments, Gain (Loss) [Line Items]          
Realized losses (gains) on income statement 315 439 (232) 598  
Financial Transmission Rights [Member] | Cost Of Gas Sold Expense [Member]          
Derivative Instruments, Gain (Loss) [Line Items]          
Realized losses (gains) on income statement $ 0 $ 0 $ 0 $ 0