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Condensed Consolidating Financial Information (Condensed Consolidating Balance Sheet) (Details) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | --- | --- | ---
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Cash and cash equivalents | $ 10,895 | $ 9,462 | $ 8,866 | $ 11,282
Other current assets | 295,421 | 345,904 |  |
Total current assets | 306,316 | 355,366 |  |
FIXED ASSETS, at cost | 4,310,226 | 1,899,058 |  |
Less: Accumulated depreciation | (378,247) | (268,057) |  |
Net fixed assets | 3,931,979 | 1,631,001 |  |
GOODWILL | 325,046 | 325,046 |  |
Other assets, net | 421,866 | 270,431 |  |
Advances to Affiliate | 0 | 0 |  |
Equity investees and other investments | 474,392 | 628,780 |  |
Investments in subsidiaries | 0 | 0 |  |
TOTAL ASSETS | 5,459,599 | 3,210,624 | 2,848,528 |
Current liabilities | 302,136 | 363,145 |  |
Senior secured credit facility | 1,115,000 | 550,400 |  |
SENIOR UNSECURED NOTES, net of debt issuance costs | 1,807,054 | 1,030,889 |  |
Deferred tax liabilities | 22,586 | 18,754 |  |
Due to Affiliate | 0 | 0 |  |
OTHER LONG-TERM LIABILITIES | 192,072 | 18,233 |  |
Total liabilities | 3,438,848 | 1,981,421 |  |
Partners' capital | 2,029,101 | 1,229,203 |  |
Noncontrolling interests | (8,350) | 0 |  |
TOTAL LIABILITIES AND PARTNERS’ CAPITAL | 5,459,599 | 3,210,624 |  |
Genesis Energy, L.P. (Parent and Co-Issuer) |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Cash and cash equivalents | 6 | 9 | 20 | 10
Other current assets | 50 | 53 |  |
Total current assets | 56 | 62 |  |
FIXED ASSETS, at cost | 0 | 0 |  |
Less: Accumulated depreciation | 0 | 0 |  |
Net fixed assets | 0 | 0 |  |
GOODWILL | 0 | 0 |  |
Other assets, net | 13,140 | 8,671 |  |
Advances to Affiliate | 2,619,493 | 1,378,520 |  |
Equity investees and other investments | 0 | 0 |  |
Investments in subsidiaries | 2,353,804 | 1,434,255 |  |
TOTAL ASSETS | 4,986,493 | 2,821,508 |  |
Current liabilities | 35,338 | 11,016 |  |
Senior secured credit facility | 1,115,000 | 550,400 |  |
SENIOR UNSECURED NOTES, net of debt issuance costs | 1,807,054 | 1,030,889 |  |
Deferred tax liabilities | 0 | 0 |  |
Due to Affiliate | 0 | 0 |  |
OTHER LONG-TERM LIABILITIES | 0 | 0 |  |
Total liabilities | 2,957,392 | 1,592,305 |  |
Partners' capital | 2,029,101 | 1,229,203 |  |
Noncontrolling interests | 0 |  |  |
TOTAL LIABILITIES AND PARTNERS’ CAPITAL | 4,986,493 | 2,821,508 |  |
Genesis Energy Finance Corporation (Co-Issuer) |  |  |  |
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 |  |
Advances to Affiliate | 0 | 0 |  |
Equity investees and other investments | 0 | 0 |  |
Investments in subsidiaries | 0 | 0 |  |
TOTAL ASSETS | 0 | 0 |  |
Current liabilities | 0 | 0 |  |
Senior secured credit facility | 0 | 0 |  |
SENIOR UNSECURED NOTES, net of debt issuance costs | 0 | 0 |  |
Deferred tax liabilities | 0 | 0 |  |
Due to Affiliate | 0 | 0 |  |
OTHER LONG-TERM LIABILITIES | 0 | 0 |  |
Total liabilities | 0 | 0 |  |
Partners' capital | 0 | 0 |  |
Noncontrolling interests | 0 |  |  |
TOTAL LIABILITIES AND PARTNERS’ CAPITAL | 0 | 0 |  |
Guarantor Subsidiaries |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Cash and cash equivalents | 8,288 | 8,310 | 8,050 | 11,104
Other current assets | 285,313 | 333,385 |  |
Total current assets | 293,601 | 341,695 |  |
FIXED ASSETS, at cost | 4,232,641 | 1,823,556 |  |
Less: Accumulated depreciation | (356,530) | (251,171) |  |
Net fixed assets | 3,876,111 | 1,572,385 |  |
GOODWILL | 325,046 | 325,046 |  |
Other assets, net | 394,294 | 269,252 |  |
Advances to Affiliate | 0 | 0 |  |
Equity investees and other investments | 474,392 | 628,780 |  |
Investments in subsidiaries | 90,741 | 97,195 |  |
TOTAL ASSETS | 5,454,185 | 3,234,353 |  |
Current liabilities | 267,294 | 395,159 |  |
Senior secured credit facility | 0 | 0 |  |
SENIOR UNSECURED NOTES, net of debt issuance costs | 0 | 0 |  |
Deferred tax liabilities | 22,586 | 18,754 |  |
Due to Affiliate | 2,666,527 | 1,366,697 |  |
OTHER LONG-TERM LIABILITIES | 150,877 | 18,233 |  |
Total liabilities | 3,107,284 | 1,798,843 |  |
Partners' capital | 2,346,901 | 1,435,510 |  |
Noncontrolling interests | 0 |  |  |
TOTAL LIABILITIES AND PARTNERS’ CAPITAL | 5,454,185 | 3,234,353 |  |
Non-Guarantor Subsidiaries |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Cash and cash equivalents | 2,601 | 1,143 | 796 | 168
Other current assets | 10,422 | 12,474 |  |
Total current assets | 13,023 | 13,617 |  |
FIXED ASSETS, at cost | 77,585 | 75,502 |  |
Less: Accumulated depreciation | (21,717) | (16,886) |  |
Net fixed assets | 55,868 | 58,616 |  |
GOODWILL | 0 | 0 |  |
Other assets, net | 140,409 | 146,700 |  |
Advances to Affiliate | 47,034 | 0 |  |
Equity investees and other investments | 0 | 0 |  |
Investments in subsidiaries | 0 | 0 |  |
TOTAL ASSETS | 256,334 | 218,933 |  |
Current liabilities | 0 | 499 |  |
Senior secured credit facility | 0 | 0 |  |
SENIOR UNSECURED NOTES, net of debt issuance costs | 0 | 0 |  |
Deferred tax liabilities | 0 | 0 |  |
Due to Affiliate | 0 | 11,823 |  |
OTHER LONG-TERM LIABILITIES | 167,006 | 110,663 |  |
Total liabilities | 167,006 | 122,985 |  |
Partners' capital | 97,678 | 95,948 |  |
Noncontrolling interests | (8,350) |  |  |
TOTAL LIABILITIES AND PARTNERS’ CAPITAL | 256,334 | 218,933 |  |
Eliminations |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Cash and cash equivalents | 0 | 0 | $ 0 | $ 0
Other current assets | (364) | (8) |  |
Total current assets | (364) | (8) |  |
FIXED ASSETS, at cost | 0 | 0 |  |
Less: Accumulated depreciation | 0 | 0 |  |
Net fixed assets | 0 | 0 |  |
GOODWILL | 0 | 0 |  |
Other assets, net | (125,977) | (154,192) |  |
Advances to Affiliate | (2,666,527) | (1,378,520) |  |
Equity investees and other investments | 0 | 0 |  |
Investments in subsidiaries | (2,444,545) | (1,531,450) |  |
TOTAL ASSETS | (5,237,413) | (3,064,170) |  |
Current liabilities | (496) | (43,529) |  |
Senior secured credit facility | 0 | 0 |  |
SENIOR UNSECURED NOTES, net of debt issuance costs | 0 | 0 |  |
Deferred tax liabilities | 0 | 0 |  |
Due to Affiliate | (2,666,527) | (1,378,520) |  |
OTHER LONG-TERM LIABILITIES | (125,811) | (110,663) |  |
Total liabilities | (2,792,834) | (1,532,712) |  |
Partners' capital | (2,444,579) | (1,531,458) |  |
Noncontrolling interests | 0 |  |  |
TOTAL LIABILITIES AND PARTNERS’ CAPITAL | $ (5,237,413) | $ (3,064,170) |  |

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