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EQUITY INVESTMENTS - Equity method (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Apr. 05, 2022 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Equity Investments |  |  |  |
Beginning balance |  | $ 49,371 |  |
Contributions |  | 2,518 | $ 24,087 |
Equity method investment income (loss) |  | (1,468) | 5,634 | $ 2,130
Other income (expense) |  | 218 | 4,355 | (2,966)
Ending balance |  | 46,503 | 49,371 |
All Dale Minerals III |  |  |  |
Equity Investments |  |  |  |
Beginning balance |  | 25,284 | 26,325 | 27,268
Equity method investment income (loss) |  | 2,567 | 5,634 | 2,130
Distributions received |  | (3,918) | (6,675) | (3,073)
Ending balance |  | 23,933 | 25,284 | $ 26,325
Francis Renewable Energy |  |  |  |
Equity Investments |  |  |  |
Beginning balance |  | 20,000 |  |
Contributions | $ 20,000 |  | 20,000 |
Equity method investment income (loss) |  | (3,513) |  |
Ending balance |  | 16,487 | 20,000 |
NGP ET IV |  |  |  |
Equity Investments |  |  |  |
Beginning balance |  | 4,087 |  |
Contributions |  | 2,518 | 4,087 |
Equity method investment income (loss) |  | (522) |  |
Ending balance |  | $ 6,083 | $ 4,087 |

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- Definition The amount of dividends or other distributions received from unconsolidated subsidiaries, certain corporate joint ventures, and certain noncontrolled corporation; these investments are accounted for under the equity method of accounting. This element includes distributions that constitute a return of investment. + References No definition available. + Details
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- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481664/323-10-45-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481687/323-10-50-3 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(10)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 25 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-25 + Details
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- Definition The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-13 + Details
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