Equity-Based Compensation (Phantom Common Unit Awards) (Details) (USD $)
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3 Months Ended |
9 Months Ended |
4 Months Ended |
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Mar. 31, 2015
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Mar. 31, 2014
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Sep. 30, 2014
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Dec. 31, 2014
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Aug. 31, 2014
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Phantom common units [Member] |
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Nonvested, Number of Shares [Roll Forward] |
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Granted, shares |
229,190us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember |
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Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options |
$ 19,400,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember |
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Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition |
3 years 6 months |
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Nonvested, Weighted Average Grant Date Fair Value [Roll Forward] |
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Fair Value Of Nonvested Service Phantom Units |
22,100,000sun_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember |
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Phantom common units [Member] | Non-employee director [Member] | 2012 Long Term Incentive Plan [Member] | Minimum [Member] |
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Nonvested, Weighted Average Grant Date Fair Value [Roll Forward] |
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Vesting Period |
1 year |
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Phantom common units [Member] | Non-employee director [Member] | 2012 Long Term Incentive Plan [Member] | Maximum [Member] |
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Nonvested, Weighted Average Grant Date Fair Value [Roll Forward] |
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Vesting Period |
3 years |
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Phantom common units [Member] | Employee Stock Option [Member] | 2012 Long Term Incentive Plan [Member] | Minimum [Member] |
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Nonvested, Weighted Average Grant Date Fair Value [Roll Forward] |
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Vesting Period |
2 years |
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Phantom common units [Member] | Employee Stock Option [Member] | 2012 Long Term Incentive Plan [Member] | Maximum [Member] |
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Nonvested, Weighted Average Grant Date Fair Value [Roll Forward] |
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Vesting Period |
5 years |
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Predecessor [Member] |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Non-cash unit based compensation expense |
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707,000us-gaap_ShareBasedCompensation / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |
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Predecessor [Member] | Phantom common units [Member] |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Non-cash unit based compensation expense |
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109,000us-gaap_ShareBasedCompensation / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |
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Predecessor [Member] | Phantom common units [Member] | 2012 Long Term Incentive Plan [Member] |
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Nonvested, Number of Shares [Roll Forward] |
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Non-vested at beginning of the period, Shares |
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36,963us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember / us-gaap_PlanNameAxis = sun_A2012LongTermIncentivePlanMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |
36,963us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember / us-gaap_PlanNameAxis = sun_A2012LongTermIncentivePlanMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |
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0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember / us-gaap_PlanNameAxis = sun_A2012LongTermIncentivePlanMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |
Granted, shares |
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6,354us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember / us-gaap_PlanNameAxis = sun_A2012LongTermIncentivePlanMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |
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Vested, shares |
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(40,317)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember / us-gaap_PlanNameAxis = sun_A2012LongTermIncentivePlanMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |
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Non-vested at end of period, Shares |
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0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember / us-gaap_PlanNameAxis = sun_A2012LongTermIncentivePlanMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |
Nonvested, Weighted Average Grant Date Fair Value [Roll Forward] |
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Non-vested at beginning of the period, Weighted Average Grant Date Fair Value |
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$ 21.66us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember / us-gaap_PlanNameAxis = sun_A2012LongTermIncentivePlanMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |
$ 21.66us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember / us-gaap_PlanNameAxis = sun_A2012LongTermIncentivePlanMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |
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$ 0.00us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember / us-gaap_PlanNameAxis = sun_A2012LongTermIncentivePlanMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |
Granted, Weighted Average Grant Date Fair Value |
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$ 33.24us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember / us-gaap_PlanNameAxis = sun_A2012LongTermIncentivePlanMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |
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Vested, Weighted Average Grant Date Fair Value |
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$ 23.72us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember / us-gaap_PlanNameAxis = sun_A2012LongTermIncentivePlanMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |
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Non-vested at end of period, Weighted Average Grant Date Fair Value |
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$ 0.00us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember / us-gaap_PlanNameAxis = sun_A2012LongTermIncentivePlanMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period |
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(3,000)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember / us-gaap_PlanNameAxis = sun_A2012LongTermIncentivePlanMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |
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Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value |
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$ 18.42us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember / us-gaap_PlanNameAxis = sun_A2012LongTermIncentivePlanMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |
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Predecessor [Member] | Allocated From SUSS [Member] |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Allocated Share-based Compensation Expense |
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598,000us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_AwardTypeAxis = sun_AllocatedFromSussMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember |
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Successor [Member] |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Non-cash unit based compensation expense |
195,000us-gaap_ShareBasedCompensation / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |
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Successor [Member] | Phantom common units [Member] |
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Nonvested, Number of Shares [Roll Forward] |
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Non-vested at beginning of the period, Shares |
241,235us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |
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Granted, shares |
229,190us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |
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241,235us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |
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Non-vested at end of period, Shares |
453,931us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |
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241,235us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |
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Nonvested, Weighted Average Grant Date Fair Value [Roll Forward] |
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Non-vested at beginning of the period, Weighted Average Grant Date Fair Value |
$ 45.50us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |
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Granted, Weighted Average Grant Date Fair Value |
$ 48.58us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |
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$ 45.50us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |
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Non-vested at end of period, Weighted Average Grant Date Fair Value |
$ 48.69us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |
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$ 45.50us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |
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Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period |
(16,494)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |
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Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value |
$ 45.50us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |
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Successor [Member] | Allocated From SUSS [Member] |
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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Allocated Share-based Compensation Expense |
0us-gaap_AllocatedShareBasedCompensationExpense / us-gaap_AwardTypeAxis = sun_AllocatedFromSussMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |
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Allocated From ETP [Member] | Phantom common units [Member] | 2012 Long Term Incentive Plan [Member] |
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Nonvested, Weighted Average Grant Date Fair Value [Roll Forward] |
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Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost |
$ 400,000us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1 / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember / us-gaap_PlanNameAxis = sun_A2012LongTermIncentivePlanMember / us-gaap_StatementScenarioAxis = sun_AllocatedFromETPMember |
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