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Fair Value Measurements - Fair Value Recognition - Assets (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 18 Months Ended
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024
Reconciliation of the beginning and ending balances of assets measured at fair value using significant unobservable inputs (Level 3) |  |  |  |  |
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |  |  |  |  | Revenue from Contract with Customer, Excluding Assessed Tax
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Revenue from Contract with Customer, Excluding Assessed Tax | Revenue from Contract with Customer, Excluding Assessed Tax | Revenue from Contract with Customer, Excluding Assessed Tax | Revenue from Contract with Customer, Excluding Assessed Tax |
Change in unrealized gain (loss) included in other comprehensive income (loss) | $ (14) | $ 1,113 | $ (80) | $ 1,357 |
Commodity swap contracts |  |  |  |  |
Reconciliation of the beginning and ending balances of assets measured at fair value using significant unobservable inputs (Level 3) |  |  |  |  |
Settlements, net |  |  |  | (1,424) |
Total gain (loss) |  |  |  | 1,424 |
Embedded derivatives |  |  |  |  |
Reconciliation of the beginning and ending balances of assets measured at fair value using significant unobservable inputs (Level 3) |  |  |  |  |
Beginning balance | 5,252 | 4,949 | 4,628 | 6,755 | $ 6,755
Total gain (loss) | (816) | 1,888 | (192) | 82 |
Ending balance | 4,436 | 6,837 | 4,436 | 6,837 | 4,436
Change in unrealized gain (loss) included in earnings | (816) | 1,888 | (192) | 82 |
Convertible promissory note |  |  |  |  |
Reconciliation of the beginning and ending balances of assets measured at fair value using significant unobservable inputs (Level 3) |  |  |  |  |
Beginning balance | 4,744 | 3,048 | 2,330 | 1,880 | 1,880
Total gain (loss) |  | 889 | (53) | 1,105 |
Purchases | 2,072 | 1,268 | 5,727 | 2,478 |
Equity method investment loss | (1,356) | (910) | (2,544) | (1,168) |
Ending balance | $ 5,460 | 4,295 | 5,460 | 4,295 | $ 5,460
Change in unrealized gain (loss) included in other comprehensive income (loss) |  | $ 889 | $ (53) | $ 1,105 |

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- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 101 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-101 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 102 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-102 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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