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ACQUISITIONS (Tables) | 12 Months Ended
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Dec. 31, 2020
AllDale I and II |
ACQUISITION |
Schedule of total fair value of consideration transferred | ​
​ | ​ | ​ | ​
​ | ​ | As of January 3, 2019
​ | ​ | (in thousands)
​ | ​ | ​ | ​
Cash | ​ | $ | 176,205
Previously held investments | ​ | ​ | 307,322
Total | ​ | $ | 483,527
Summary of fair value allocation of assets acquired and liabilities assumed | ​
​ | ​ | ​ | ​ | ​
​ | ​ | (in thousands) | ​
​ | ​ | ​ | ​ | ​
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 | ​
Schedule of revenue and earnings since acquisition date and pro forma condensed consolidated income statement | ​
​ | ​ | ​ | ​
​ | Year Ended | ​
​ | December 31, | ​
​ | 2019 |
​ | (in thousands)
​ | ​ | ​ | ​
Revenue | $ | 48,411 | ​
Net income |  | 18,543 | ​
​
​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended | ​
​ | ​ | December 31, | ​
​ |  | 2018 |
​ | ​ | (in thousands)
Total revenues | ​ | ​ | ​ | ​
As reported | ​ | $ | 2,002,857 | ​
Pro forma | ​ |  | 2,042,545 | ​
​ | ​ | ​ | ​ | ​
Net income | ​ | ​ | ​ | ​
As reported | ​ | $ | 367,470 | ​
Pro forma | ​ |  | 358,741 | ​
Wing |
ACQUISITION |
Summary of fair value allocation of assets acquired and liabilities assumed | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As Previously | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Reported | ​ | Adjustments | ​ | Final | ​
​ | ​ | ​ | ​ | (in thousands) | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Mineral interests in proved properties | ​ | $ | 58,084 | ​ | ​ | 16,987 | ​ | $ | 75,071 | ​
Mineral interests in unproved properties | ​ | ​ | 84,976 | ​ | ​ | (17,275) | ​ | ​ | 67,701 | ​
Receivables | ​ | ​ | 1,867 | ​ | ​ | 288 | ​ | ​ | 2,155 | ​
Net assets acquired | ​ | $ | 144,927 | ​ | ​ | ​ | ​ | $ | 144,927 | ​
Schedule of revenue and earnings since acquisition date and pro forma condensed consolidated income statement | ​
​ | ​ | ​ | ​
​ | Year Ended | ​
​ | December 31, | ​
​ | 2019 |
​ | (in thousands)
​ | ​ | ​ | ​
Revenue | $ | 4,625 | ​
Net income |  | 1,291 | ​
​ The following represents our actual and pro forma consolidated revenues and net income for the years ended December 31, 2019 and 2018. Pro forma revenues and net income assumes the mineral interests acquired in the Wing Acquisition had been included in our consolidated results since January 1, 2018. These pro forma amounts have been calculated after applying our accounting policies. ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended | ​
​ | ​ | December 31, | ​
​ |  | 2019 |  | 2018 | ​
​ | ​ | (in thousands) | ​
Total revenues | ​ | ​ | ​ | ​ | ​ | ​ | ​
As reported | ​ | $ | 1,961,720 | ​ | $ | 2,002,857 | ​
Pro forma | ​ | ​ | 1,966,291 | ​ | ​ | 2,008,559 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net income | ​ | ​ | ​ | ​ | ​ | ​ | ​
As reported | ​ | $ | 406,926 | ​ | $ | 367,470 | ​
Pro forma | ​ | ​ | 411,217 | ​ | ​ | 372,810 | ​

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