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Employee Benefit Plans And Equity-Based Compensation Plans (Tables) | 12 Months Ended
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Dec. 31, 2012
Compensation and Retirement Disclosure [Abstract] |
Summary Of Service-Based And Performance-Based Awards |
| Service-Based Awards |  | Performance-Based Awards
| Number of Phantom Units |  | Average Grant Date Fair Value |  | Total Value |  | Number of Phantom Units |  | Average Grant Date Fair Value |  | Total Value
Unvested at December 31, 2011 | 109,762 |  |  | $ | 23.36 |  |  | $ | 2,564 |  |  | 102,970 |  |  | $ | 28.19 |  |  | $ | 2,902 |
Granted | 48,785 |  |  | $ | 30.52 |  |  | 1,489 |  |  | 128,210 |  |  | $ | 31.38 |  |  | 4,023 |
Forfeited | (1,787 | ) |  | $ | 29.04 |  |  | (52 | ) |  | (2,679 | ) |  | $ | 29.04 |  |  | (78 | )
Settled | (30,548 | ) |  | $ | 24.94 |  |  | (762 | ) |  | — |  |  | $ | — |  |  | — |
Unvested at December 31, 2012 | 126,212 |  |  | $ | 25.66 |  |  | $ | 3,239 |  |  | 228,501 |  |  | $ | 29.97 |  |  | $ | 6,847 |
Assumptions Used To Determine Fair Value Of Rights |
| Assumptions Used for Fair Value of Rights
| December 31, 2012 |  | December 31, 2011 |  | December 31, 2010
Expected life of rights (in years) | Less than 1 |  | 0.00 | - | 3.41 |  | 0.00 | - | 4.41
Risk-free interest rate | 0.00% | - | 0.07% |  | 0.00% | - | 0.58% |  | 0.12% | - | 1.73%
Expected unit price volatility | 39.3% |  | 40.6% |  | 41.9%
Expected future distribution yield | 5.00% |  | 6.00% |  | 6.00%
Reconciliation Of Rights Activity |
| Stock Appreciation Rights |  | Weighted Average Strike Price |  | Weighted Average Contractual Remaining Term (Yrs) |  | Aggregate Intrinsic Value
Outstanding at December 31, 2011 | 662,484 |  |  | $ | 17.97 |  |  |  |  |
Exercised during 2012 | (264,060 | ) |  | $ | 18.85 |  |  |  |  |
Forfeited or expired during 2012 | (13,618 | ) |  | $ | 18.91 |  |  |  |  |
Outstanding at December 31, 2012 | 384,806 |  |  | $ | 17.25 |  |  | 4.83 |  | $ | 7,099 |
Exercisable at December 31, 2012 | 351,051 |  |  | $ | 17.66 |  |  | 4.71 |  | $ | 6,332 |
Expense Related To Equity-Based Compensation Plans |
| Expense Related to Equity-Based Compensation Plans
Consolidated Statement of Operations | 2012 |  | 2011 |  | 2010
Supply and logistics operating costs | $ | 3,038 |  |  | $ | 181 |  |  | $ | 2,611 |
Refinery services operating costs | 1,427 |  |  | 226 |  |  | 833 |
Pipeline operating costs | 247 |  |  | 135 |  |  | 575 |
General and administrative expenses | 6,467 |  |  | 2,013 |  |  | 2,098 |
Total | $ | 11,179 |  |  | $ | 2,555 |  |  | $ | 6,117 |

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- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for stock appreciation rights awards that were outstanding at the beginning and end of the year, and the number of stock appreciation rights awards that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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