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EQUITY INVESTMENTS (Tables) | 12 Months Ended
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Dec. 31, 2021
Equity Method Investments and Joint Ventures [Abstract] |
Schedule of investments accounted for by the equity method | The Company had no investments accounted for by the equity method as of December 31, 2021. The following table summarizes the Company's equity investments for the Predecessor Period and the years ended December 31, 2020 and 2019 (in thousands):
|  |  |  | Carrying Value |  |  |  |  | Loss from Equity Method Investments
|  |  |  | Predecessor |  |  |  |  | Predecessor
|  |  |  | December 31, 2020 |  |  |  |  | Period from January 1, 2021 through May 17, 2021 |  | Year Ended December 31, 2020 |  | Year Ended December 31, 2019
Investment in Grizzly Oil Sands ULC |  |  |  | $ | 24,816 |  |  |  |  |  | $ | 342 |  |  | $ | 377 |  |  | $ | 32,710 |
Investment in Mammoth Energy Services, Inc. |  |  |  | — |  |  |  |  |  | — |  |  | 10,646 |  |  | 179,524 |
Other equity investments |  |  |  | — |  |  |  |  |  | — |  |  | 32 |  |  | (2,086) |
Total equity investments |  |  |  | $ | 24,816 |  |  |  |  |  | $ | 342 |  |  | $ | 11,055 |  |  | $ | 210,148 |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
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