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Assets Held for Sale (Details) - USD ($) $ in Thousands | 11 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Nov. 19, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2020 | Nov. 18, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Impairment of assets held for sale | $ 15,900 |  |  |  |
Non-cash charge for adjustment of inventory carrying value | 1,500 |  |  |  |
Assets: |  |  |  |  |
Total assets held for sale, net | 5,500 | $ 21,628 |  | $ 5,500 | $ 1,380
Held-for-sale | Well Services Exit |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |
Impairment of assets held for sale |  | 4,400 |  |  |
Gain (loss) on disposition of assets | $ (700) |  |  |  |
Assets: |  |  |  |  |
Inventory |  | 3,124 |  | 580 |
Other property and equipment |  | 95,560 |  | 4,920 |
Less: Accumulated depreciation and impairment |  | (77,056) |  | 0 |
Total assets held for sale, net |  | $ 21,628 |  | $ 5,500 |
Held-for-sale | Foreman Butte Divestiture |  |  |  |  |
Assets: |  |  |  |  |
Rig termination |  |  | $ 383,400 |  |

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