Fair Value - Schedule of Fair Value of Assets and Liabilities Measured on Recurring Basis (Details) - USD ($) $ in Thousands		Dec. 31, 2022	Dec. 31, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Gross Asset		$ 157,704	$ 36,581
Liability		276,846	74,940
Recurring fair value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets, Fair Value Disclosure		82,825	13,460
Financial Liabilities Fair Value Disclosure		34,802	33,327
Counterparty and Cash Collateral Netting, Assets	[1]	(136,605)	(32,524)
Counterparty and Cash Collateral Netting, Liabilities	[1]	(242,044)	(41,613)
Recurring fair value [Member] | Fixed Income Funds [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Deferred compensation assets:	[2]	1,267	1,809
Recurring fair value [Member] | Equity Funds [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity investments	[2]	54,284
Deferred compensation assets:	[2]	6,132	7,594
Recurring fair value [Member] | Energy commodity derivatives
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Counterparty and Cash Collateral Netting, Assets	[1],[3]	136,605	(31,354)
Derivative Asset	[3]	9,915	2,908
Counterparty and Cash Collateral Netting, Liabilities	[1],[3]	(242,044)	(40,443)
Derivative Liability	[3]	34,747	9,204
Recurring fair value [Member] | Natural Gas Exchange Agreements [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Liability		17,734
Recurring fair value [Member] | Interest Rate Swap [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Counterparty and Cash Collateral Netting, Assets	[1]		(1,170)
Derivative Asset		11,184	1,149
Counterparty and Cash Collateral Netting, Liabilities	[1]		(1,170)
Derivative Liability		52	$ 24,104
Recurring fair value [Member] | Foreign Exchange Contract [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Asset		$ 43
Derivative Asset, Statement of Financial Position [Extensible Enumeration]		Investments and Other Noncurrent Assets	Investments and Other Noncurrent Assets
Derivative Liability		$ 3	$ 19
Derivative Liability, Statement of Financial Position [Extensible Enumeration]		Other Liabilities, Noncurrent	Other Liabilities, Noncurrent
Recurring fair value [Member] | Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets, Fair Value Disclosure		$ 7,399	$ 9,403
Recurring fair value [Member] | Level 1 [Member] | Fixed Income Funds [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Deferred compensation assets:	[2]	1,267	1,809
Recurring fair value [Member] | Level 1 [Member] | Equity Funds [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Deferred compensation assets:	[2]	6,132	7,594
Recurring fair value [Member] | Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets, Fair Value Disclosure		157,459	36,438
Financial Liabilities Fair Value Disclosure		258,824	67,026
Recurring fair value [Member] | Level 2 [Member] | Energy commodity derivatives
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Gross Asset	[3]	146,232	34,119
Liability	[3]	258,769	41,733
Recurring fair value [Member] | Level 2 [Member] | Interest Rate Swap [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Gross Asset		11,184	2,319
Liability		52	25,274
Recurring fair value [Member] | Level 2 [Member] | Foreign Exchange Contract [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Gross Asset		43	19
Liability		3
Recurring fair value [Member] | Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Assets, Fair Value Disclosure		54,572	143
Financial Liabilities Fair Value Disclosure		18,022	7,914
Recurring fair value [Member] | Level 3 [Member] | Equity Funds [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity investments	[2]	54,284
Recurring fair value [Member] | Level 3 [Member] | Energy commodity derivatives
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Gross Asset	[3]	288	143
Liability	[3]	$ 18,022	$ 7,914

[1] The Company is permitted to net derivative assets and derivative liabilities with the same counterparty when a legally enforceable master netting agreement exists. In addition, the Company nets derivative assets and derivative liabilities against any payables and receivables for cash collateral held or placed with these same counterparties.

[2] These assets are included in other property and investments-net and other non-current assets on the Consolidated Balance Sheets.

[3] The level 3 energy commodity derivative balances are associated with natural gas exchange agreements