Derivative and Hedging Instruments (Details-4) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Current And Long Term Reg Asset Liability [Member]
Change In Derivative Fair Value [Roll Forward]
Unrealized loss	$ 1,387	$ 1,484	$ (2,365)	$ 1,846
Realized (loss) gain reclassified to a deferred account	(421)	(381)	1,942	(118)
Realized (loss) gain reclassified to income statement	(1,066)	(383)	(298)	(1,645)
Derivatives Other Current Assets [Member]
Change In Derivative Fair Value [Roll Forward]
Unrealized loss	0	0	0	0
Realized (loss) gain reclassified to a deferred account	421	381	(1,942)	118
Realized (loss) gain reclassified to income statement	$ (269)	$ (167)	$ 1,992	$ 104

The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.