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Business Segment Information (Reconciliation of Segment Margin to (Loss) Income from Continuing Operations) (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Apr. 29, 2022 | Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Segment Reporting [Abstract] |  |  |  |  |
Net income (loss) attributable to Genesis Energy, L.P. |  | $ 3,385 | $ (20,899) | $ 33,482 | $ (96,805)
Corporate general and administrative expenses |  | 18,132 | 14,878 | 54,958 | 38,389
Depreciation, depletion, amortization and accretion |  | (76,301) | (69,665) | 225,526 | 208,346
Interest expense |  | 57,710 | 59,940 | 168,773 | 176,938
Adjustment to exclude distributable cash generated by equity investees not included in income and include equity in investees net income |  | (5,247) | (7,142) | 15,981 | 23,690
Other non-cash items |  | (24,636) | 2,526 | 12,157 | 30,601
Distribution from unrestricted subsidiaries not included in income |  | 0 | 17,500 | (32,000) | (52,500)
Loss on extinguishment of debt |  | (293) | 0 | 794 | 1,627
Differences in timing of cash receipts for certain contractual arrangements |  | 13,775 | 657 | 38,482 | 7,402
Change in provision for leased items no longer in use |  | 68 | 0 | (599) | 598
Redeemable noncontrolling interest redemption value adjustments |  | 0 | 7,082 | 30,443 | 17,639
Income tax expense |  | 660 | 423 | 1,535 | 1,170
Total Segment Margin |  | 196,190 | 153,862 | 572,914 | 462,095
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |  |
Unrealized (losses) gains from valuation of embedded derivatives |  |  |  | (15,726) | (30,729)
Gain (Loss) on Disposition of Assets |  | 0 | 0 |  | 0
Net income (loss) attributable to Genesis Energy, L.P. |  | 3,385 | (20,899) | 33,482 | (96,805)
Total Segment Margin |  | $ 196,190 | 153,862 | 572,914 | 462,095
Genesis NEJD Pipeline, LLC |  |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |  |
Cash receipts not included in income associated with principal payments of previously owned pipeline |  |  | $ 17,500 | $ (32,000) | 52,500
Genesis Energy, LLC | Affiliated Entity | Independence Hub, LLC |  |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent |  | 80.00% |  | 80.00% |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Independence Hub, LLC |  |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |  |
Proceeds from Sale of Productive Assets | $ 40,000 |  |  | $ 32,000 |
Embedded Derivative Financial Instruments |  |  |  |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |  |  |  |
Unrealized (losses) gains from valuation of embedded derivatives |  | $ 25,000 |  | $ 18,600 | $ 31,000

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