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Business Segment Information (Reconciliation of Segment Margin To Net Income) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Segment Reporting [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Total Segment Margin | [1] |  |  |  |  |  |  |  |  | $ 594,543 | $ 569,571 | $ 476,585
Corporate general and administrative expenses |  |  |  |  |  |  |  |  |  | (60,029) | (40,905) | (61,370)
Depreciation, depletion, amortization and accretion |  |  |  |  |  |  |  |  |  | (262,021) | (230,563) | (155,081)
Interest expense |  |  |  |  |  |  |  |  |  | (176,762) | (139,947) | (100,596)
Adjustment to exclude distributable cash generated by equity investees not included in income and include equity in investees net income | [2] |  |  |  |  |  |  |  |  | (31,852) | (39,276) | (43,018)
Non-cash items not included in Segment Margin |  |  |  |  |  |  |  |  |  | (14,305) | (3,221) | 2,809
Cash payments from direct financing leases in excess of earnings |  |  |  |  |  |  |  |  |  | (6,921) | (6,277) | (5,685)
Gain on basis step up on historical interest |  |  |  |  |  |  |  |  |  | 0 | 0 | 332,380
Loss on debt extinguishment |  |  |  |  |  |  |  |  |  | (6,242) | 0 | (19,225)
Differences in Timing of Cash Receipts for Certain Contractual Arrangement | [3] |  |  |  |  |  |  |  |  | 17,540 | 13,253 | 6,359
Gain on sales of assets |  |  |  |  |  |  |  |  |  | 40,311 | 0 | 0
Other, net |  |  |  |  |  |  |  |  |  | (2,985) | (6,044) | (6,643)
Non-cash provision for leased items no longer in use |  |  |  |  |  |  |  |  |  | (12,589) | 0 | 0
Income tax benefit (expense) |  |  |  |  |  |  |  |  |  | 3,959 | (3,342) | (3,987)
NET INCOME ATTRIBUTABLE TO GENESIS ENERGY, L.P. |  | $ 15,512 | $ 6,312 | $ 33,733 | $ 27,090 | $ 22,118 | $ 32,101 | $ 23,727 | $ 35,303 | $ 82,647 | $ 113,249 | $ 422,528
[1] | A reconciliation of total Segment Margin to net income attributable to Genesis Energy, L.P. for each year is presented below.
[2] | Includes distributions attributable to the period and received during or promptly following such period.
[3] | Certain cash payments received from customers under certain of our minimum payment obligation contracts are not recognized as revenue under GAAP in the period in which such payments are received.

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- Definition Revenues less product costs, operating expenses (excluding non-cash charges such as depreciation and amortization), and segment general and administrative expenses, plus our equity in distributable cash generated by our equity investees. Also excludes the non-cash effects of our stock appreciation rights compensation plan and includes the non-income portion of payments received under direct financing leases. + References No definition available. + Details
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