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Debt (Senior Unsecured Notes) (Details) - USD ($) |  |  |  |  |  |  |  |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 08, 2023 | Dec. 07, 2023 | Jan. 26, 2023 | Jan. 25, 2023 | Jan. 24, 2023 | Apr. 22, 2021 | Dec. 17, 2020 | Jan. 16, 2020 | Dec. 11, 2017 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Aug. 14, 2017 | May 15, 2014
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of Unsecured Debt |  |  |  |  |  |  |  |  |  | $ 875,969,000 | $ 72,241,000 | $ 80,859,000 |  |
Loss on debt extinguishment |  |  |  |  |  |  |  |  |  | (4,627,000) | (794,000) | 1,627,000 |  |
Unamortized Premium, Discount and Debt Issuance Costs |  |  |  |  |  |  |  |  |  | 58,751,000 | 42,130,000 |  |  |
Cancellation of debt income |  |  |  |  |  |  |  |  |  | 0 | 8,618,000 | $ 0 |  |
Senior Unsecured Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments of Unsecured Debt |  |  |  |  |  |  |  |  |  | $ 80,900,000 |  |  |  |
Redemption of up to 35% of the principal amount of notes with the proceeds of an equity offering permitted prior to |  |  |  |  |  |  |  |  |  | 35.00% |  |  |  |
Cancellation of debt income |  |  |  |  |  |  |  |  |  | $ 8,600,000 |  |  |  |
Senior Unsecured Notes | Guarantor Subsidiaries | Genesis Energy, LLC | Genesis Finance Corporation |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate principal amount of guaranteed debt |  |  |  |  |  |  |  |  |  | $ 3,100,000,000 |  |  |  |
Percentage of equity interest |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |
5.625% senior unsecured notes due 2024 | Senior Unsecured Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior unsecured notes, principal |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 350,000,000
Debt interest rate |  |  |  |  |  |  |  |  |  | 5.625% |  |  |  | 5.625%
Repayments of Unsecured Debt |  |  | $ 25,000,000 |  | $ 316,000,000 |  |  |  |  |  |  |  |  |
Loss on debt extinguishment |  |  | $ 1,800,000 |  |  |  |  |  |  |  |  |  |  |
Unamortized Premium, Discount and Debt Issuance Costs |  |  |  |  |  |  |  |  |  | $ 0 | 1,249,000 |  |  |
2030 Notes | Senior Unsecured Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior unsecured notes, principal |  |  |  | $ 500,000,000 | $ 500,000,000 |  |  |  |  |  |  |  |  |
Debt interest rate |  |  |  | 8.875% |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of debt, net of discount |  |  |  | $ 491,000,000 |  |  |  |  |  |  |  |  |  |
6.500% senior unsecured notes due 2025 | Senior Unsecured Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt interest rate |  |  |  |  |  |  |  |  |  | 6.50% |  |  |  |
Repayments of Unsecured Debt | $ 21,000,000 | $ 514,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Loss on debt extinguishment | $ 2,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Unamortized Premium, Discount and Debt Issuance Costs |  |  |  |  |  |  |  |  |  | $ 0 | 3,265,000 |  |  |
Redemption of up to 35% of the principal amount of notes with the proceeds of an equity offering permitted prior to |  |  |  |  |  |  |  |  |  | 35.00% |  |  |  |
6.500% senior unsecured notes due 2025 | Senior Unsecured Notes | Alkali Business |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior unsecured notes, principal |  |  |  |  |  |  |  |  |  |  |  |  | $ 550,000,000 |
Debt interest rate |  |  |  |  |  |  |  |  |  |  |  |  | 6.50% |
6.250% senior unsecured notes due 2026 | Senior Unsecured Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior unsecured notes, principal |  |  |  |  |  |  |  |  | $ 450,000,000 |  |  |  |  |
Debt interest rate |  |  |  |  |  |  |  |  | 6.25% | 6.25% |  |  |  |
Proceeds from issuance of debt, net of discount |  |  |  |  |  |  |  |  | $ 442,000,000 |  |  |  |  |
Unamortized Premium, Discount and Debt Issuance Costs |  |  |  |  |  |  |  |  |  | $ 1,746,000 | 2,481,000 |  |  |
Redemption of up to 35% of the principal amount of notes with the proceeds of an equity offering permitted prior to |  |  |  |  |  |  |  |  |  | 35.00% |  |  |  |
2021 Notes | Senior Unsecured Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt interest rate |  |  |  |  |  |  |  |  | 5.75% |  |  |  |  |
Repayments of Unsecured Debt |  |  |  |  |  |  |  |  | $ 205,000,000 |  |  |  |  |
7.750% senior unsecured notes due 2028 | Senior Unsecured Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior unsecured notes, principal |  |  |  |  |  |  |  | $ 750,000,000 |  |  |  |  |  |
Debt interest rate |  |  |  |  |  |  |  | 7.75% |  | 7.75% |  |  |  |
Proceeds from issuance of debt, net of discount |  |  |  |  |  |  |  | $ 737,000,000 |  |  |  |  |  |
Unamortized Premium, Discount and Debt Issuance Costs |  |  |  |  |  |  |  |  |  | $ 6,121,000 | 7,621,000 |  |  |
6.750% senior unsecured notes due 2022 | Senior Unsecured Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt interest rate |  |  |  |  |  |  |  | 6.75% |  |  |  |  |  |
Debt tendered and repaid |  |  |  |  |  |  |  | $ 555,000,000 |  |  |  |  |  |
8.000% senior unsecured notes due 2027 | Senior Unsecured Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior unsecured notes, principal |  |  |  |  |  | $ 250,000,000 | $ 750,000,000 |  |  |  |  |  |  |
Debt interest rate |  |  |  |  |  |  | 8.00% |  |  | 8.00% |  |  |  |
Proceeds from issuance of debt, net of discount |  |  |  |  |  |  | $ 737,000,000 |  |  |  |  |  |  |
Debt premium percentage |  |  |  |  |  | 103.75% |  |  |  |  |  |  |  |
Unamortized Premium, Discount and Debt Issuance Costs |  |  |  |  |  |  |  |  |  | $ 3,549,000 | $ 4,956,000 |  |  |
Redemption of up to 35% of the principal amount of notes with the proceeds of an equity offering permitted prior to |  |  |  |  |  |  |  |  |  | 35.00% |  |  |  |
Six Percentage Senior Unsecured Notes [Member] | Senior Unsecured Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt interest rate |  |  |  |  |  |  | 6.00% |  |  |  |  |  |  |
Repayments of Unsecured Debt |  |  |  |  |  |  | $ 317,000,000 |  |  |  |  |  |  |
2029 Notes | Senior Unsecured Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior unsecured notes, principal |  | $ 600,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Debt interest rate |  | 8.25% |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of debt, net of discount |  | $ 583,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Unamortized Premium, Discount and Debt Issuance Costs |  | 6,200,000 |  |  |  |  |  |  |  |  |  |  |  |
Senior Unsecured Notes | 5.625% senior unsecured notes due 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior unsecured notes, principal |  |  |  | 25,000,000 |  |  |  |  |  |  |  |  |  |
Repayments of Long-term Debt |  |  |  | $ 316,000,000 |  |  |  |  |  |  |  |  |  |
Senior Unsecured Notes | 6.500% senior unsecured notes due 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior unsecured notes, principal |  | 535,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Repayments of Unsecured Debt |  | 21,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Repayments of Long-term Debt |  | $ 514,000,000 |  |  |  |  |  |  |  |  |  |  |  |

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