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FRESH START ACCOUNTING (Narrative) (Details) - USD ($) $ in Thousands | May 17, 2021 | May 16, 2021
--- | --- | ---
Reorganization, Chapter 11 [Line Items] |  |
Reorganization value of Successor assets | $ 2,252,990 | $ 2,300,000
Liabilities subject to compromise allowed claims |  | $ 3,100,000
Enterprise Value | 1,600,000 |
Minimum |  |
Reorganization, Chapter 11 [Line Items] |  |
Enterprise Value | 1,300,000 |
Maximum |  |
Reorganization, Chapter 11 [Line Items] |  |
Enterprise Value | 1,900,000 |
Fresh Start Adjustments | Investment in Grizzly Oil Sands ULC |  |
Reorganization, Chapter 11 [Line Items] |  |
Reduction in equity method investment | $ 27,000 |

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