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INVESTMENTS (Tables) | 6 Months Ended
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Jun. 30, 2023
All Dale Minerals III |
INVESTMENTS |
Schedule of changes in equity method investments | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Six Months Ended | ​
​ | ​ | June 30, | ​ | June 30, | ​
​ |  | 2023 |  | 2022 |  | 2023 |  | 2022 | ​
​ | ​ | (in thousands) | ​
Beginning balance | ​ | $ | 24,695 | ​ | $ | 26,194 | ​ | $ | 25,284 | ​ | $ | 26,325 | ​
Equity method investment income | ​ | ​ | 716 | ​ | ​ | 1,585 | ​ | ​ | 1,141 | ​ | ​ | 2,468 | ​
Distributions received | ​ | ​ | (960) | ​ | ​ | (1,501) | ​ | ​ | (1,974) | ​ | ​ | (2,515) | ​
Ending balance | ​ | $ | 24,451 | ​ | $ | 26,278 | ​ | $ | 24,451 | ​ | $ | 26,278 | ​
Francis Renewable Energy |
INVESTMENTS |
Schedule of changes in equity method investments | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Six Months Ended | ​
​ | ​ | June 30, | ​ | June 30, | ​
​ |  | 2023 |  | 2022 |  | 2023 |  | 2022 | ​
​ | ​ | (in thousands) | ​
Beginning balance | ​ | $ | 20,000 | ​ | $ | — | ​ | $ | 20,000 | ​ | $ | — | ​
Contributions | ​ | ​ | — | ​ | ​ | 20,000 | ​ | ​ | — | ​ | ​ | 20,000 | ​
Equity method investment loss | ​ | ​ | (2,620) | ​ | ​ | — | ​ | ​ | (2,620) | ​ | ​ | — | ​
Ending balance | ​ | $ | 17,380 | ​ | $ | 20,000 | ​ | $ | 17,380 | ​ | $ | 20,000 | ​
NGP ETP |
INVESTMENTS |
Schedule of changes in equity method investments | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Six Months Ended | ​
​ | ​ | June 30, | ​ | June 30, | ​
​ |  | 2023 |  | 2022 |  | 2023 |  | 2022 | ​
​ | ​ | (in thousands) | ​
Beginning balance | ​ | $ | 4,254 | ​ | $ | — | ​ | $ | 4,087 | ​ | $ | — | ​
Contributions | ​ | ​ | 794 | ​ | ​ | 110 | ​ | ​ | 1,334 | ​ | ​ | 110 | ​
Equity method investment loss | ​ | ​ | (90) | ​ | ​ | — | ​ | ​ | (463) | ​ | ​ | — | ​
Ending balance | ​ | $ | 4,958 | ​ | $ | 110 | ​ | $ | 4,958 | ​ | $ | 110 | ​

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- Definition Tabular disclosure of equity method investments including, but not limited to, name of each investee or group of investments, percentage ownership, difference between recorded amount of an investment and the value of the underlying equity in the net assets, and summarized financial information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481687/323-10-50-3 + Details
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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 No definition available. + Details
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