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Condensed Consolidating Financial Information (Condensed Consolidating Balance Sheet) (Details) - USD ($) $ in Thousands | Jun. 30, 2016 | Dec. 31, 2015 | Jun. 30, 2015 | Dec. 31, 2014
--- | --- | --- | --- | ---
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Cash and cash equivalents | $ 8,550 | $ 10,895 | $ 8,719 | $ 9,462
Other current assets | 363,976 | 295,421 |  |
Total current assets | 372,526 | 306,316 |  |
Fixed Assets, at cost | 4,589,038 | 4,310,226 |  |
Less: Accumulated depreciation | (463,244) | (378,247) |  |
Net fixed assets | 4,125,794 | 3,931,979 |  |
Goodwill | 325,046 | 325,046 |  |
Other assets, net | 414,887 | 421,866 |  |
Advances to Affiliate | 0 | 0 |  |
Equity investees | 427,558 | 474,392 |  |
Investments in subsidiaries | 0 | 0 |  |
TOTAL ASSETS | 5,665,811 | 5,459,599 |  |
Current liabilities | 267,614 | 302,136 |  |
Senior secured credit facility | 1,405,800 | 1,115,000 |  |
Senior unsecured notes | 1,810,101 | 1,807,054 |  |
Deferred tax liabilities | 23,995 | 22,586 |  |
Due to Affiliate | 0 | 0 |  |
Other liabilities | 224,820 | 192,072 |  |
Total liabilities | 3,732,330 | 3,438,848 |  |
Partners' Capital, Including Portion Attributable to Noncontrolling Interest | 1,942,083 | 2,029,101 |  |
Partners' Capital Attributable to Noncontrolling Interest | (8,602) | (8,350) |  |
Liabilities and Equity | 5,665,811 | 5,459,599 |  |
Reportable Legal Entities | Genesis Energy, L.P. (Parent and Co-Issuer) |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Cash and cash equivalents | 6 | 6 | 6 | 9
Other current assets | 100 | 50 |  |
Total current assets | 106 | 56 |  |
Fixed Assets, at cost | 0 | 0 |  |
Less: Accumulated depreciation | 0 | 0 |  |
Net fixed assets | 0 | 0 |  |
Goodwill | 0 | 0 |  |
Other assets, net | 12,734 | 13,140 |  |
Advances to Affiliate | 2,843,031 | 2,619,493 |  |
Equity investees | 0 | 0 |  |
Investments in subsidiaries | 2,336,668 | 2,353,804 |  |
TOTAL ASSETS | 5,192,539 | 4,986,493 |  |
Current liabilities | 34,555 | 35,338 |  |
Senior secured credit facility | 1,405,800 | 1,115,000 |  |
Senior unsecured notes | 1,810,101 | 1,807,054 |  |
Deferred tax liabilities | 0 | 0 |  |
Due to Affiliate | 0 | 0 |  |
Other liabilities | 0 | 0 |  |
Total liabilities | 3,250,456 | 2,957,392 |  |
Partners' Capital, Including Portion Attributable to Noncontrolling Interest | 1,942,083 | 2,029,101 |  |
Partners' Capital Attributable to Noncontrolling Interest | 0 | 0 |  |
Liabilities and Equity | 5,192,539 | 4,986,493 |  |
Reportable Legal Entities | 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 | 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 |  |
Due to Affiliate | 0 | 0 |  |
Other liabilities | 0 | 0 |  |
Total liabilities | 0 | 0 |  |
Partners' Capital, Including Portion Attributable to Noncontrolling Interest | 0 | 0 |  |
Partners' Capital Attributable to Noncontrolling Interest | 0 | 0 |  |
Liabilities and Equity | 0 | 0 |  |
Reportable Legal Entities | Guarantor Subsidiaries |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Cash and cash equivalents | 6,933 | 8,288 | 7,999 | 8,310
Other current assets | 353,548 | 285,313 |  |
Total current assets | 360,481 | 293,601 |  |
Fixed Assets, at cost | 4,511,453 | 4,232,641 |  |
Less: Accumulated depreciation | (440,277) | (356,530) |  |
Net fixed assets | 4,071,176 | 3,876,111 |  |
Goodwill | 325,046 | 325,046 |  |
Other assets, net | 398,460 | 394,294 |  |
Advances to Affiliate | 0 | 0 |  |
Equity investees | 427,558 | 474,392 |  |
Investments in subsidiaries | 90,100 | 90,741 |  |
TOTAL ASSETS | 5,672,821 | 5,454,185 |  |
Current liabilities | 233,286 | 267,294 |  |
Senior secured credit facility | 0 | 0 |  |
Senior unsecured notes | 0 | 0 |  |
Deferred tax liabilities | 23,995 | 22,586 |  |
Due to Affiliate | 2,903,302 | 2,666,527 |  |
Other liabilities | 182,661 | 150,877 |  |
Total liabilities | 3,343,244 | 3,107,284 |  |
Partners' Capital, Including Portion Attributable to Noncontrolling Interest | 2,329,577 | 2,346,901 |  |
Partners' Capital Attributable to Noncontrolling Interest | 0 | 0 |  |
Liabilities and Equity | 5,672,821 | 5,454,185 |  |
Reportable Legal Entities | Non-Guarantor Subsidiaries |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Cash and cash equivalents | 1,611 | 2,601 | 714 | 1,143
Other current assets | 10,868 | 10,422 |  |
Total current assets | 12,479 | 13,023 |  |
Fixed Assets, at cost | 77,585 | 77,585 |  |
Less: Accumulated depreciation | (22,967) | (21,717) |  |
Net fixed assets | 54,618 | 55,868 |  |
Goodwill | 0 | 0 |  |
Other assets, net | 137,028 | 140,409 |  |
Advances to Affiliate | 60,272 | 47,034 |  |
Equity investees | 0 | 0 |  |
Investments in subsidiaries | 0 | 0 |  |
TOTAL ASSETS | 264,397 | 256,334 |  |
Current liabilities | 0 | 0 |  |
Senior secured credit facility | 0 | 0 |  |
Senior unsecured notes | 0 | 0 |  |
Deferred tax liabilities | 0 | 0 |  |
Due to Affiliate | 0 | 0 |  |
Other liabilities | 175,332 | 167,006 |  |
Total liabilities | 175,332 | 167,006 |  |
Partners' Capital, Including Portion Attributable to Noncontrolling Interest | 97,667 | 97,678 |  |
Partners' Capital Attributable to Noncontrolling Interest | (8,602) | (8,350) |  |
Liabilities and Equity | 264,397 | 256,334 |  |
Eliminations |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |
Cash and cash equivalents | 0 | 0 | $ 0 | $ 0
Other current assets | (540) | (364) |  |
Total current assets | (540) | (364) |  |
Fixed Assets, at cost | 0 | 0 |  |
Less: Accumulated depreciation | 0 | 0 |  |
Net fixed assets | 0 | 0 |  |
Goodwill | 0 | 0 |  |
Other assets, net | (133,335) | (125,977) |  |
Advances to Affiliate | (2,903,303) | (2,666,527) |  |
Equity investees | 0 | 0 |  |
Investments in subsidiaries | (2,426,768) | (2,444,545) |  |
TOTAL ASSETS | (5,463,946) | (5,237,413) |  |
Current liabilities | (227) | (496) |  |
Senior secured credit facility | 0 | 0 |  |
Senior unsecured notes | 0 | 0 |  |
Deferred tax liabilities | 0 | 0 |  |
Due to Affiliate | (2,903,302) | (2,666,527) |  |
Other liabilities | (133,173) | (125,811) |  |
Total liabilities | (3,036,702) | (2,792,834) |  |
Partners' Capital, Including Portion Attributable to Noncontrolling Interest | (2,427,244) | (2,444,579) |  |
Partners' Capital Attributable to Noncontrolling Interest | 0 | 0 |  |
Liabilities and Equity | $ (5,463,946) | $ (5,237,413) |  |

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