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ORGANIZATION AND PRESENTATION (Details) $ in Millions |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | ---
Oct. 31, 2021 USD ($) a | Oct. 13, 2021 USD ($) a | Aug. 02, 2019 a | Jan. 03, 2019 a | Dec. 31, 2021 a
Ownership interests |  |  |  |  |
Royalty acres, net |  |  |  |  | 57,000
Boulders |  |  |  |  |
Ownership interests |  |  |  |  |
Royalty acres, net | 1,480 | 1,480 |  |  |
Oil & gas royalty acquisition | $ | $ 31.0 | $ 31.0 |  |  |
AllDale I and II |  |  |  |  |
Ownership interests |  |  |  |  |
Royalty acres, net |  |  |  | 43,000 |
Wing |  |  |  |  |
Ownership interests |  |  |  |  |
Royalty acres, net |  |  | 9,000 |  |

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