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Partners' Capital (Deficit) - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2019
Limited Partners' Capital Account |  |  |  |  |
Common limited partner units (in shares) | 38,914,806 |  | 38,914,806 |  |
Cash distributions | $ 198 | $ 199 | $ 595 | $ 595 |
Related Party |  |  |  |  |
Limited Partners' Capital Account |  |  |  |  |
Common limited partner units (in shares) | 6,114,532 |  | 6,114,532 |  |
Martin Resource Management Corporation |  |  |  |  |
Limited Partners' Capital Account |  |  |  |  |
Ownership interest (percentage) |  |  | 98.00% |  |
Martin Resource Management Corporation | Martin Resource Management Corporation |  |  |  |  |
Limited Partners' Capital Account |  |  |  |  |
Purchase price |  |  |  |  | $ 552,058
Cash distributions |  |  |  |  | $ 289,019
MMGP LLC |  |  |  |  |
Limited Partners' Capital Account |  |  |  |  |
General partner interest percentage |  |  | 2.00% |  |
MMGP LLC | Related Party |  |  |  |  |
Limited Partners' Capital Account |  |  |  |  |
Ownership interest (percentage) |  |  | 15.70% |  |
General partner interest percentage |  |  | 2.00% |  |

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