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Condensed Consolidating Financial Information (Condensed Consolidating Balance Sheet) (Details) - USD ($) $ in Thousands | Mar. 31, 2015 | Dec. 31, 2014 | Mar. 31, 2014 | Dec. 31, 2013
--- | --- | --- | --- | ---
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Cash and cash equivalents | $ 11,138 | $ 9,462 | $ 11,676 | $ 8,866
Other current assets | 296,802 | 345,904 |  |
Total current assets | 307,940 | 355,366 |  |
Fixed Assets, at cost | 2,017,239 | 1,899,058 |  |
Less: Accumulated depreciation | (287,077) | (268,057) |  |
Net fixed assets | 1,730,162 | 1,631,001 |  |
Goodwill | 325,046 | 325,046 |  |
Other assets, net | 288,845 | 290,181 |  |
Equity investees | 620,147 | 628,780 |  |
Investments in subsidiaries | 0 | 0 |  |
TOTAL ASSETS | 3,272,140 | 3,230,374 |  |
Current liabilities | 342,571 | 363,145 |  |
Senior secured credit facility | 648,400 | 550,400 |  |
SENIOR UNSECURED NOTES | 1,050,604 | 1,050,639 |  |
Deferred tax liabilities | 19,363 | 18,754 |  |
Other liabilities | 18,326 | 18,233 |  |
Total liabilities | 2,079,264 | 2,001,171 |  |
Limited Partners' Capital Account | 1,192,876 | 1,229,203 | 1,080,059 | 1,097,737
Partners' capital | 1,192,876 | 1,229,203 |  |
TOTAL LIABILITIES AND PARTNERS' CAPITAL | 3,272,140 | 3,230,374 |  |
Genesis Energy, L.P. (Parent And Co-Issuer) [Member] |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Cash and cash equivalents | 9 | 9 | 19 | 20
Other current assets | 1,465,246 | 1,378,573 |  |
Total current assets | 1,465,255 | 1,378,582 |  |
Fixed Assets, at cost | 0 | 0 |  |
Less: Accumulated depreciation | 0 | 0 |  |
Net fixed assets | 0 | 0 |  |
Goodwill | 0 | 0 |  |
Other assets, net | 27,140 | 28,421 |  |
Equity investees | 0 | 0 |  |
Investments in subsidiaries | 1,417,120 | 1,434,255 |  |
TOTAL ASSETS | 2,909,515 | 2,841,258 |  |
Current liabilities | 17,635 | 11,016 |  |
Senior secured credit facility | 648,400 | 550,400 |  |
SENIOR UNSECURED NOTES | 1,050,604 | 1,050,639 |  |
Deferred tax liabilities | 0 | 0 |  |
Other liabilities | 0 | 0 |  |
Total liabilities | 1,716,639 | 1,612,055 |  |
Limited Partners' Capital Account | 1,192,876 | 1,229,203 |  |
TOTAL LIABILITIES AND PARTNERS' CAPITAL | 2,909,515 | 2,841,258 |  |
Genesis Energy Finance Corporation (Co-Issuer) [Member] |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Cash and cash equivalents | 0 | 0 | 0 | 0
Other current assets | 0 | 0 |  |
Total current assets | 0 | 0 |  |
Fixed Assets, at cost | 0 | 0 |  |
Less: Accumulated depreciation | 0 | 0 |  |
Net fixed assets | 0 | 0 |  |
Goodwill | 0 | 0 |  |
Other assets, net | 0 | 0 |  |
Equity investees | 0 | 0 |  |
Investments in subsidiaries | 0 | 0 |  |
TOTAL ASSETS | 0 | 0 |  |
Current liabilities | 0 | 0 |  |
Senior secured credit facility | 0 | 0 |  |
SENIOR UNSECURED NOTES | 0 | 0 |  |
Deferred tax liabilities | 0 | 0 |  |
Other liabilities | 0 | 0 |  |
Total liabilities | 0 | 0 |  |
Limited Partners' Capital Account | 0 | 0 |  |
TOTAL LIABILITIES AND PARTNERS' CAPITAL | 0 | 0 |  |
Guarantor Subsidiaries [Member] |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Cash and cash equivalents | 8,774 | 8,310 | 10,786 | 8,049
Other current assets | 285,832 | 333,385 |  |
Total current assets | 294,606 | 341,695 |  |
Fixed Assets, at cost | 1,941,764 | 1,823,556 |  |
Less: Accumulated depreciation | (269,565) | (251,171) |  |
Net fixed assets | 1,672,199 | 1,572,385 |  |
Goodwill | 325,046 | 325,046 |  |
Other assets, net | 269,385 | 269,252 |  |
Equity investees | 620,147 | 628,780 |  |
Investments in subsidiaries | 98,469 | 97,195 |  |
TOTAL ASSETS | 3,279,852 | 3,234,353 |  |
Current liabilities | 1,823,745 | 1,761,856 |  |
Senior secured credit facility | 0 | 0 |  |
SENIOR UNSECURED NOTES | 0 | 0 |  |
Deferred tax liabilities | 19,363 | 18,754 |  |
Other liabilities | 18,326 | 18,233 |  |
Total liabilities | 1,861,434 | 1,798,843 |  |
Limited Partners' Capital Account | 1,418,418 | 1,435,510 |  |
TOTAL LIABILITIES AND PARTNERS' CAPITAL | 3,279,852 | 3,234,353 |  |
Non-Guarantor Subsidiaries [Member] |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Cash and cash equivalents | 2,355 | 1,143 | 871 | 797
Other current assets | 46,972 | 46,215 |  |
Total current assets | 49,327 | 47,358 |  |
Fixed Assets, at cost | 75,475 | 75,502 |  |
Less: Accumulated depreciation | (17,512) | (16,886) |  |
Net fixed assets | 57,963 | 58,616 |  |
Goodwill | 0 | 0 |  |
Other assets, net | 145,184 | 146,700 |  |
Equity investees | 0 | 0 |  |
Investments in subsidiaries | 0 | 0 |  |
TOTAL ASSETS | 252,474 | 252,674 |  |
Current liabilities | 2,604 | 2,705 |  |
Senior secured credit facility | 0 | 0 |  |
SENIOR UNSECURED NOTES | 0 | 0 |  |
Deferred tax liabilities | 0 | 0 |  |
Other liabilities | 152,695 | 154,021 |  |
Total liabilities | 155,299 | 156,726 |  |
Limited Partners' Capital Account | 97,175 | 95,948 |  |
TOTAL LIABILITIES AND PARTNERS' CAPITAL | 252,474 | 252,674 |  |
Eliminations [Member] |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Cash and cash equivalents | 0 | 0 | $ 0 | $ 0
Other current assets | (1,501,248) | (1,412,269) |  |
Total current assets | (1,501,248) | (1,412,269) |  |
Fixed Assets, at cost | 0 | 0 |  |
Less: Accumulated depreciation | 0 | 0 |  |
Net fixed assets | 0 | 0 |  |
Goodwill | 0 | 0 |  |
Other assets, net | (152,864) | (154,192) |  |
Equity investees | 0 | 0 |  |
Investments in subsidiaries | (1,515,589) | (1,531,450) |  |
TOTAL ASSETS | (3,169,701) | (3,097,911) |  |
Current liabilities | (1,501,413) | (1,412,432) |  |
Senior secured credit facility | 0 | 0 |  |
SENIOR UNSECURED NOTES | 0 | 0 |  |
Deferred tax liabilities | 0 | 0 |  |
Other liabilities | (152,695) | (154,021) |  |
Total liabilities | (1,654,108) | (1,566,453) |  |
Limited Partners' Capital Account | (1,515,593) | (1,531,458) |  |
TOTAL LIABILITIES AND PARTNERS' CAPITAL | $ (3,169,701) | $ (3,097,911) |  |

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