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Partnership Organization and Formation - Additional Information (Details) Customer in Millions | Sep. 26, 2020 Customer Location State shares | Sep. 28, 2019 shares
--- | --- | ---
Consolidation Less Than Wholly Owned Subsidiary Parent Ownership Interest Effects Of Changes Net [Line Items] |  |
Common units outstanding (in units) | 62,146,403 | 61,735,000
Ownership interest in Suburban Energy Finance Corp (in hundredths) | 100.00% |
Number of residential, commercial, industrial and agricultural customers | Customer | 1.0 |
Number of locations served by the partnership | Location | 700 |
Number of states in which the partnership operates | State | 41 |
General Partner [Member] | Common Unitholders [Member] |  |
Consolidation Less Than Wholly Owned Subsidiary Parent Ownership Interest Effects Of Changes Net [Line Items] |  |
Common units outstanding (in units) | 784 |

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- Definition This element represents the number of active residential, commercial, industrial and agricultural customers. + References No definition available. + Details
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- Definition Number of locations served by the partnership as of the balance sheet date. + References No definition available. + Details
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- Definition The parent entity's ownership interest of a subsidiary, expressed as a percentage. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The number of limited partner units outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -Subparagraph (SAB Topic 4.F) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187171-122770 + Details
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- Details
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- Details
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