Derivative and Hedging Instruments (Details-3) - USD ($) $ in Thousands		Dec. 31, 2022	Dec. 31, 2021
Offsetting Liabilities [Line Items]
Collateral posted against derivative positions		$ (5,200)
Commodity Contract [Member]
Offsetting Liabilities [Line Items]
Gross amounts		8,163	$ 849
Gross amounts offset in balance sheet		(2,966)	(849)
Collateral posted against derivative positions		(5,197)	0
Net amount presented in the balance sheet		0	0
Commodity Contract [Member] | Other Current Liabilities [Member]
Offsetting Liabilities [Line Items]
Gross amounts	[1]	$ 7,687
Derivative Liability, Statement of Financial Position [Extensible Enumeration]		Other Liabilities, Current
Commodity Contract [Member] | Other Noncurrent Liabilities [Member]
Offsetting Liabilities [Line Items]
Gross amounts	[1]	$ 476
Derivative Liability, Statement of Financial Position [Extensible Enumeration]		Other Liabilities, Noncurrent
Purchased Power Agreement [Member]
Offsetting Liabilities [Line Items]
Gross amounts			2,140
Gross amounts offset in balance sheet			0
Collateral posted against derivative positions			0
Net amount presented in the balance sheet			$ 2,140
Derivative Liability, Statement of Financial Position [Extensible Enumeration]			Other Liabilities, Current
Purchased Power Agreement [Member] | Other Current Liabilities [Member]
Offsetting Liabilities [Line Items]
Gross amounts			$ 2,140

[1] As of December 31, 2022, collateral of $5.2 million was posted against and netted with derivative liability positions on the consolidated balance sheets. The fair value of the derivative liability disclosed in this table has not been reduced for the collateral posted.