Derivative Instruments and Fair Value Measurements - Use of Derivative Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Derivative, Fair Value, Net [Abstract]
As reported fair value contracts	$ 0	$ 347
As reported fair value contracts	330	324
Commodity Contract \| Not Designated as Hedging Instrument \| Current Assets
Derivative, Fair Value, Net [Abstract]
Asset derivatives	0	347
Liability derivatives	0	0
Less counterparty offsets	0	0
As reported fair value contracts	0	347
Commodity Contract \| Not Designated as Hedging Instrument \| Other Assets
Derivative, Fair Value, Net [Abstract]
Asset derivatives	0	0
Liability derivatives	0	0
Less counterparty offsets	0	0
As reported fair value contracts	0	0
Commodity Contract \| Not Designated as Hedging Instrument \| Current Liabilities
Derivative, Fair Value, Net [Abstract]
Asset derivatives	0	0
Liability derivatives	330	324
Less counterparty offsets	0	0
As reported fair value contracts	330	324
Commodity Contract \| Not Designated as Hedging Instrument \| Other Liabilities
Derivative, Fair Value, Net [Abstract]
Asset derivatives	0	0
Liability derivatives	0	0
Less counterparty offsets	0	0
As reported fair value contracts	$ 0	$ 0

Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

+ References

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Fair value, after effect of master netting arrangement and deduction of obligation to return financial collateral not offset and financial instrument subject to master netting arrangement not offset, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and contract can be net settled by means outside contract or delivery of asset. Includes derivative not subject to master netting arrangement or similar agreement.

+ References

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Fair value, after effect of master netting arrangement and deduction of obligation to return financial collateral not offset and financial instrument subject to master netting arrangement not offset, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and contract can be net settled by means outside contract or delivery of asset. Includes derivative not subject to master netting arrangement or similar agreement.

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- References

No definition available.

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- Definition

Current liabilities attributable to energy marketing activities (trading activities). Current energy marketing (trading activities) are when entities engage in both financial and physical trading to increase profits, manage their commodity price risk and enhance system reliability. They may trade electricity, coal, natural gas and oil. These entities typically use a variety of financial instruments, including forward contracts, options and swaps.

+ References

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- Definition

Carrying amount as of the balance sheet date of the asset arising from energy trading activities that involves the purchase and sale of energy under forward contracts at fixed and variable prices and the buying and selling of financial energy contracts that include exchange futures and options and over the counter options and swaps, which are expected to be converted into cash or otherwise disposed of within a year or the normal operating cycle, if longer.

+ References

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