Derivative and Hedging Instruments (Details-2) - USD ($) $ in Thousands		Jun. 30, 2025	Dec. 31, 2024
Commodity Contract [Member]
Offsetting Assets [Line Items]
Derivative Asset, Fair Value, Gross Asset		$ 1,678	$ 1,213
Gross amounts offset in balance sheet		(1,239)	(1,213)
Collateral posted against derivative positions		0	0
Net amount presented in balance sheet		439	0
Commodity Contract [Member] | Other Current Assets [Member]
Offsetting Assets [Line Items]
Derivative Asset, Fair Value, Gross Asset	[1]	1,455
Commodity Contract [Member] | Other Noncurrent Assets [Member]
Offsetting Assets [Line Items]
Derivative Asset, Fair Value, Gross Asset	[1]	223
Financial Transmission Rights [Member]
Offsetting Assets [Line Items]
Derivative Asset, Fair Value, Gross Asset		258	108
Gross amounts offset in balance sheet		0	0
Collateral posted against derivative positions		0	0
Net amount presented in balance sheet		258	108
Financial Transmission Rights [Member] | Other Current Assets [Member]
Offsetting Assets [Line Items]
Derivative Asset, Fair Value, Gross Asset		$ 258	$ 108

[1] As of June 30, 2025, no collateral was posted against derivative positions. As of December 31, 2024, collateral of less than $0.1 million was posted against and netted with derivative liability positions. The fair value of the derivatives disclosed in this table has not been adjusted for the collateral posted.