| **Divestitures and Other Exit Activities - Summarized Operating Results for the Above Disposal Groups Held for Sale (Details) - Disposed of by sale - USD ($) $ in Thousands** | 12 Months Ended |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------|
||
| **Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]**                                              |            |   |   |
| Revenues                                                                                                                                                                       | $ 0             | $ 82,698 | $ 70,583 |
| Operating income (loss)                                                                                                                                                        | (4,776)         | (47,552) | (9,414) |
| Industrial Blending                                                                                                                                                            |            |   |   |
| **Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]**                                              |            |   |   |
| Revenues                                                                                                                                                                       | 0               | 0 | 8,821 |
| Operating income (loss)                                                                                                                                                        | 0               | (8,002) | (2,384) |
| Excalibar                                                                                                                                                                      |            |   |   |
| **Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]**                                              |            |   |   |
| Revenues                                                                                                                                                                       | 0               | 55,990 | 36,396 |
| Operating income (loss)                                                                                                                                                        | 0               | 3,665 | (277) |
| Gulf of Mexico                                                                                                                                                                 |            |   |   |
| **Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]**                                              |            |   |   |
| Revenues                                                                                                                                                                       | 0               | 26,708 | 25,366 |
| Operating income (loss)                                                                                                                                                        | $ (4,776)       | $ (43,215) | $ (6,753) |

| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of operating income (loss) attributable to disposal group, including, but not limited to, discontinued operation.
+ References
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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of revenue attributable to disposal group, including, but not limited to, discontinued operation.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
+ References
No definition available.
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