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ACQUISITIONS - Assets and Liabilities (Details) $ in Thousands | Aug. 02, 2019 USD ($) a | Jan. 03, 2019 USD ($) a | Dec. 31, 2020 USD ($)
--- | --- | --- | ---
Assets acquired and liabilities assumed |  |  |
Cash and cash equivalents |  | $ 900 |
Mineral interests in proved properties |  | 184,032 |
Mineral interests in unproved properties |  | 291,190 |
Receivables |  | 9,326 |
Accounts payable |  | (1,921) |
Net assets acquired |  | $ 483,527 |
Wing |  |  |
ACQUISITION |  |  |
Royalty acres, net | a | 9,000 |  |
Royalty acres, gross | a | 400,000 |  |
Cash | $ 144,900 |  |
Assets acquired and liabilities assumed |  |  |
Mineral interests in proved properties | 75,071 |  |
Mineral interests in unproved properties | 67,701 |  |
Receivables | 2,155 |  |
Net assets acquired | 144,927 |  |
Wing | Previously Reported |  |  |
Assets acquired and liabilities assumed |  |  |
Mineral interests in proved properties | 58,084 |  |
Mineral interests in unproved properties | 84,976 |  |
Receivables | 1,867 |  |
Net assets acquired | 144,927 |  |
Wing | Adjustments |  |  |
Assets acquired and liabilities assumed |  |  |
Mineral interests in proved properties | 16,987 |  |
Mineral interests in unproved properties | (17,275) |  |
Receivables | $ 288 |  | $ 300
AllDale I and II |  |  |
ACQUISITION |  |  |
Royalty acres, net | a |  | 43,000 |
Cash |  | $ 176,205 |
Assets acquired and liabilities assumed |  |  |
Noncontrolling interest fair value |  | $ 12,300 |

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