Derivative Instruments - Fair value (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Fair value of derivative instruments
Current portion of fair value of derivative assets	$ 4,706	$ 5,175
Noncurrent portion of fair value of derivative assets	2,507	5,570
Current portion of fair value of derivative liabilities	15,989	15,236
Noncurrent portion of fair value of derivative liabilities	17,780	32,764
Derivatives not designated as hedges for accounting purposes
Fair value of derivative instruments
Total asset derivatives	7,213	10,745
Total liability derivatives	33,769	48,000
Net derivatives liability	(26,556)	(37,255)
Derivatives not designated as hedges for accounting purposes \| Commodity derivatives
Fair value of derivative instruments
Current portion of fair value of derivative assets	3,040
Current portion of fair value of derivative liabilities	15,989	15,236
Noncurrent portion of fair value of derivative liabilities	17,780	32,764
Derivatives not designated as hedges for accounting purposes \| Commodity derivatives \| VIE, Martica
Fair value of derivative instruments
Current portion of fair value of derivative liabilities	3,000	3,000
Noncurrent portion of fair value of derivative liabilities		2,000
Total liability derivatives		5,000
Derivatives not designated as hedges for accounting purposes \| Embedded derivatives
Fair value of derivative instruments
Current portion of fair value of derivative assets	1,666	5,175
Noncurrent portion of fair value of derivative assets	$ 2,507	$ 5,570

Fair value, after the 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 not subject to a master netting arrangement and not elected to be offset.

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Fair value, after the effects of master netting arrangements, of a financial liability or 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, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480237/815-40-50-5

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