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Condensed Consolidating Financial Information (Condensed Consolidating Statement Of Cash Flows) (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Dec. 31, 2013
Condensed Financial Statements, Captions [Line Items] |  |  |
Net cash provided by operating activities | $ 192,128 | $ 208,119 |
Payments to acquire fixed and intangible assets | (359,504) | (336,061) |
Cash distributions received from equity investees - return of investment | 19,360 | 11,352 |
Investments in equity investees | (2,900) | (40,426) |
Payments to Acquire Businesses, Gross | 1,517,428 |  | $ 0
Increase (Decrease) in Due to Affiliates | 0 | 0 |
Repayments on loan to non-guarantor subsidiary | 0 | 0 |
Proceeds from asset sales | 2,571 | 178 |
Other, net | (2,137) | (4,706) |
Net cash used in investing activities | (1,860,038) | (369,663) |
Borrowings on senior secured credit facility | 1,168,850 | 1,420,900 |
Repayments on senior secured credit facility | (705,150) | (1,668,700) |
Proceeds from issuance of senior unsecured notes, including premium | 1,139,718 | 350,000 |
Repayments of Unsecured Debt | (350,000) | 0 |
Debt issuance costs | (28,361) | (11,857) |
Increase (Decrease) Due from Affiliates | 0 | 0 |
Proceeds from Issuance of Common Limited Partners Units | 633,759 | 225,610 |
Distributions to partners/owners | (186,026) | (146,350) |
Payments of Distributions To Noncontrolling Interests | (560) | 0 |
Other, net | 1,786 | 0 |
Net cash provided by financing activities | 1,674,016 | 169,603 |
Net increase in cash and cash equivalents | 6,106 | 8,059 |
Cash and cash equivalents at beginning of period | 9,462 | 8,866 |
Cash and cash equivalents at end of period | 15,568 | 16,925 | 8,866
Genesis Energy, L.P. (Parent And Co-Issuer) [Member] |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Net cash provided by operating activities | (53,478) | 73,525 |
Payments to acquire fixed and intangible assets | 0 | 0 |
Cash distributions received from equity investees - return of investment | 179,267 | 38,236 |
Investments in equity investees | (633,761) | (225,610) |
Payments to Acquire Businesses, Gross | 0 |  |
Increase (Decrease) in Due to Affiliates | (1,164,821) | (55,765) |
Repayments on loan to non-guarantor subsidiary | 0 | 0 |
Proceeds from asset sales | 0 | 0 |
Other, net | 0 | 0 |
Net cash used in investing activities | (1,619,315) | (243,139) |
Borrowings on senior secured credit facility | 1,168,850 | 1,420,900 |
Repayments on senior secured credit facility | (705,150) | (1,668,700) |
Proceeds from issuance of senior unsecured notes, including premium | 1,139,718 | 350,000 |
Repayments of Unsecured Debt | (350,000) |  |
Debt issuance costs | (28,361) | (11,857) |
Increase (Decrease) Due from Affiliates | 0 | 0 |
Proceeds from Issuance of Common Limited Partners Units | 633,759 | 225,610 |
Distributions to partners/owners | (186,026) | (146,350) |
Payments of Distributions To Noncontrolling Interests | 0 |  |
Other, net | 0 | 0 |
Net cash provided by financing activities | 1,672,790 | 169,603 |
Net increase in cash and cash equivalents | (3) | (11) |
Cash and cash equivalents at beginning of period | 9 | 20 |
Cash and cash equivalents at end of period | 6 | 9 | 20
Genesis Energy Finance Corporation (Co-Issuer) [Member] |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Net cash provided by operating activities | 0 | 0 |
Payments to acquire fixed and intangible assets | 0 | 0 |
Cash distributions received from equity investees - return of investment | 0 | 0 |
Investments in equity investees | 0 | 0 |
Payments to Acquire Businesses, Gross | 0 |  |
Increase (Decrease) in Due to Affiliates | 0 | 0 |
Repayments on loan to non-guarantor subsidiary | 0 | 0 |
Proceeds from asset sales | 0 | 0 |
Other, net | 0 | 0 |
Net cash used in investing activities | 0 | 0 |
Borrowings on senior secured credit facility | 0 | 0 |
Repayments on senior secured credit facility | 0 | 0 |
Proceeds from issuance of senior unsecured notes, including premium | 0 | 0 |
Repayments of Unsecured Debt | 0 |  |
Debt issuance costs | 0 | 0 |
Increase (Decrease) Due from Affiliates | 0 | 0 |
Proceeds from Issuance of Common Limited Partners Units | 0 | 0 |
Distributions to partners/owners | 0 | 0 |
Payments of Distributions To Noncontrolling Interests | 0 |  |
Other, net | 0 | 0 |
Net cash provided by financing activities | 0 | 0 |
Net increase in cash and cash equivalents | 0 | 0 |
Cash and cash equivalents at beginning of period | 0 | 0 |
Cash and cash equivalents at end of period | 0 | 0 | 0
Guarantor Subsidiaries [Member] |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Net cash provided by operating activities | 201,305 | 216,907 |
Payments to acquire fixed and intangible assets | (359,504) | (336,061) |
Cash distributions received from equity investees - return of investment | 19,360 | 11,352 |
Investments in equity investees | (2,900) | (40,426) |
Payments to Acquire Businesses, Gross | 1,517,428 |  |
Increase (Decrease) in Due to Affiliates | 0 | 0 |
Repayments on loan to non-guarantor subsidiary | (1,077) | 3,697 |
Proceeds from asset sales | 2,571 | 178 |
Other, net | (2,137) | (4,706) |
Net cash used in investing activities | (1,861,115) | (365,966) |
Borrowings on senior secured credit facility | 0 | 0 |
Repayments on senior secured credit facility | 0 | 0 |
Proceeds from issuance of senior unsecured notes, including premium | 0 | 0 |
Repayments of Unsecured Debt | 0 |  |
Debt issuance costs | 0 | 0 |
Increase (Decrease) Due from Affiliates | 1,215,585 | (78,031) |
Proceeds from Issuance of Common Limited Partners Units | 633,759 | 225,610 |
Distributions to partners/owners | (186,026) | (146,350) |
Payments of Distributions To Noncontrolling Interests | (560) |  |
Other, net | 1,786 | 0 |
Net cash provided by financing activities | 1,664,544 | 157,291 |
Net increase in cash and cash equivalents | 4,734 | 8,232 |
Cash and cash equivalents at beginning of period | 8,310 | 8,050 |
Cash and cash equivalents at end of period | 13,044 | 16,282 | 8,050
Non-Guarantor Subsidiaries [Member] |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Net cash provided by operating activities | 51,028 | 25,769 |
Payments to acquire fixed and intangible assets | 0 | 0 |
Cash distributions received from equity investees - return of investment | 0 | 0 |
Investments in equity investees | 0 | 0 |
Payments to Acquire Businesses, Gross | 0 |  |
Increase (Decrease) in Due to Affiliates | 0 | 0 |
Repayments on loan to non-guarantor subsidiary | 0 | 0 |
Proceeds from asset sales | 0 | 0 |
Other, net | 0 | 0 |
Net cash used in investing activities | 0 | 0 |
Borrowings on senior secured credit facility | 0 | 0 |
Repayments on senior secured credit facility | 0 | 0 |
Proceeds from issuance of senior unsecured notes, including premium | 0 | 0 |
Repayments of Unsecured Debt | 0 |  |
Debt issuance costs | 0 | 0 |
Increase (Decrease) Due from Affiliates | (50,764) | 22,266 |
Proceeds from Issuance of Common Limited Partners Units | 0 | 0 |
Distributions to partners/owners | 0 | 0 |
Payments of Distributions To Noncontrolling Interests | 0 |  |
Other, net | 1,111 | (3,665) |
Net cash provided by financing activities | (49,653) | (25,931) |
Net increase in cash and cash equivalents | 1,375 | (162) |
Cash and cash equivalents at beginning of period | 1,143 | 796 |
Cash and cash equivalents at end of period | 2,518 | 634 | 796
Eliminations [Member] |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Net cash provided by operating activities | (6,727) | (108,082) |
Payments to acquire fixed and intangible assets | 0 | 0 |
Cash distributions received from equity investees - return of investment | (179,267) | (38,236) |
Investments in equity investees | 633,761 | 225,610 |
Payments to Acquire Businesses, Gross | 0 |  |
Increase (Decrease) in Due to Affiliates | 1,164,821 | 55,765 |
Repayments on loan to non-guarantor subsidiary | 1,077 | (3,697) |
Proceeds from asset sales | 0 | 0 |
Other, net | 0 | 0 |
Net cash used in investing activities | 1,620,392 | 239,442 |
Borrowings on senior secured credit facility | 0 | 0 |
Repayments on senior secured credit facility | 0 | 0 |
Proceeds from issuance of senior unsecured notes, including premium | 0 | 0 |
Repayments of Unsecured Debt | 0 |  |
Debt issuance costs | 0 | 0 |
Increase (Decrease) Due from Affiliates | (1,164,821) | 55,765 |
Proceeds from Issuance of Common Limited Partners Units | (633,759) | (225,610) |
Distributions to partners/owners | 186,026 | 146,350 |
Payments of Distributions To Noncontrolling Interests | 0 |  |
Other, net | (1,111) | 3,665 |
Net cash provided by financing activities | (1,613,665) | (131,360) |
Net increase in cash and cash equivalents | 0 | 0 |
Cash and cash equivalents at beginning of period | 0 | 0 |
Cash and cash equivalents at end of period | $ 0 | $ 0 | $ 0

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