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Partners' Capital (Narrative) (Details) - USD ($) |  |  |  |  |  |  |  | 3 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Feb. 07, 2018 | Dec. 03, 2015 | Nov. 30, 2015 | Aug. 21, 2015 | Jul. 31, 2015 | Jul. 21, 2015 | Jul. 01, 2015 | Mar. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 21, 2017 | Mar. 30, 2017 | Oct. 04, 2016 | Jan. 01, 2016
Schedule of Partners' Capital [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common units issued (in shares) |  |  |  |  |  |  |  |  |  | 2,263,158 |  |  |  |  |
Percentage of membership interest acquired |  |  |  | 100.00% |  |  | 100.00% |  |  |  |  |  |  |  |
Consideration units per contributor |  |  |  |  |  |  |  |  |  |  |  | 11,195 |  |  |
Class A distributions declared per unit (in dollars per share) |  |  |  |  |  |  |  |  | $ 3.30 | $ 3.29 | $ 2.89 |  |  |  |
Eligible distribution per unit (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  | $ 2.50 |  |
Class C Units [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Partners' Capital [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Units exchange (in shares) |  |  |  |  |  |  |  |  | 16,410,780 |  |  |  |  |  |
Common unit, issuance value (in dollars per share) |  |  |  |  |  |  |  |  |  | $ 38.5856 |  |  |  |  |
Term of trading periods |  |  |  |  |  |  |  |  | 5 days |  |  |  |  |  |
Eligible distribution per unit (in dollars per share) |  |  |  |  |  |  |  |  | $ 0.8682 |  |  |  |  |  |
Distribution made to limited partner other certain allocation percentage |  |  |  |  |  |  |  |  | 1.00% |  |  |  |  |  |
Common Units [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Partners' Capital [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Partners' capital account, converted units (in shares) |  |  |  |  | 79,308 |  |  |  |  |  |  |  |  |  |
Common units issued (in shares) |  |  |  |  |  | 5,500,000 |  | 2,263,158 |  |  |  |  |  |  |
Gross proceeds from issuance of common units in private placement |  |  |  |  |  | $ 214,000,000 |  |  | $ 33,000,000 |  |  |  |  |  |
Limited partner interest, units outstanding (in shares) |  |  |  |  |  |  |  |  | 99,667,999 |  | 87,365,706 |  |  |  |
Public sale of units, amount authorized |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 400,000,000 |
Common units issued in connection with the ATM (in shares) |  |  |  |  |  |  |  |  | 1,268,750 | 2,840,399 |  |  |  |  |
Payments of commissions |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |
Remaining available amount to be sold |  |  |  |  |  |  |  |  | $ 295,000,000 |  |  |  |  |  |
Partners' Capital Account, Units, Susser Buyout |  |  |  |  |  |  |  |  | 22,390 |  |  |  |  |  |
Common Units [Member] | Class A Units [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Partners' Capital [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Partners' capital account, converted units (in shares) |  |  |  |  | 79,308 |  |  |  |  |  |  |  |  |  |
Subordinated Units [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Partners' Capital [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Partners' capital account, converted units (in shares) |  |  |  |  | 10,939,436 |  |  |  |  |  |  |  |  |  |
Subordinated Units [Member] | Class A Units [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Partners' Capital [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Partners' capital account, converted units (in shares) |  |  |  |  | 10,939,436 |  |  |  |  |  |  |  |  |  |
Common Units - Public [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Partners' Capital [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Limited partner interest, units outstanding (in shares) |  |  |  |  |  |  |  |  | 53,917,173 | 52,430,220 |  |  |  |  |
Parent Company [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Partners' Capital [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of membership interest acquired |  |  |  |  |  |  |  |  | 39.40% |  |  |  |  |  |
Parent Company [Member] | Common Units [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Partners' Capital [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Partners' capital account, converted units (in shares) |  |  | 10,939,436 |  |  |  |  |  |  |  |  |  |  |  |
Common units issued (in shares) |  | 24,052,631 |  |  |  |  |  |  |  |  |  |  |  |  |
Gross proceeds from issuance of common units in private placement |  | $ 685,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Parent Company [Member] | Subordinated Units [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Partners' Capital [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Partners' capital account, converted units (in shares) |  |  | 10,939,436 |  |  |  |  |  |  |  |  |  |  |  |
Subsidiaries [Member] | Class C Units [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Partners' Capital [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Limited partner interest, units outstanding (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 11,168,667
Aloha Petroleum Ltd [Member] | Class C Units [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Partners' Capital [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Limited partner interest, units outstanding (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,242,113
ETP Merger [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Partners' Capital [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Units exchange (in shares) |  |  |  |  |  |  | 21,000,000 |  |  |  |  |  |  |  |
Common Units Affiliated [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Partners' Capital [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common units outstanding (in shares) |  |  |  |  |  |  |  |  | 45,750,826 |  |  |  |  |  |
Class C Units [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Partners' Capital [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Units exchange (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 16,410,780
Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Partners' Capital [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common Unit Repurchase, Cash Consideration | $ 540,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase Price per Common Unit | $ 31.2376 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common Unit Repurchase, Unit Repurchased | 17,286,859 |  |  |  |  |  |  |  |  |  |  |  |  |  |

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