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Units represent shares of ownership of the general, limited, and preferred partners.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04.16(a)) -URI http://asc.fasb.org/extlink&oid=6488278&loc=d3e603758-122996 Reference 2: http://www.xbrl.org/2003/role/presentationRef -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=6959260&loc=d3e187171-122770 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 87-21 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Practice Bulletin (PB) -Number 14 -Paragraph 15 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 16 -Subparagraph a, b -Article 6 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04.16(b)) -URI http://asc.fasb.org/extlink&oid=6488278&loc=d3e603758-122996 false1Limited Partners' Capital Account, Units Outstanding3false 4rgp_IssuanceOfCommonUnitsUnderLtipNetOfForfeituresAndTaxWithholdingUnitsrgp_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5truefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7truefalsefalse2179621796falsefalsefalse8falsefalsefalse00falsefalsefalsexbrli:sharesItemTypesharesIssuance of Common Units Under LTIP, Net Of Forfeitures and Tax Withholding, UnitsNo definition available.false1Issuance Of Common Units Under Ltip Net Of Forfeitures And Tax Withholdings4false 4rgp_IssuanceofcommonunitsundertheEquityDistributionAgreementrgp_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalse5truefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7truefalsefalse48875404887540falsefalsefalse8falsefalsefalse00falsefalsefalsexbrli:sharesItemTypesharesIssuance of common units under the Equity Distribution AgreementNo definition available.false1Issuance Of Common Units Under Equity Distribution Program,net of costs5false 4rgp_IssuanceofcommonunitsandClassFunitsinconnectionwithSUGSAcquisitionrgp_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse62744836274483falsefalsefalse2truefalsefalse00falsefalsefalse3truefalsefalse62744836274483falsefalsefalse4truefalsefalse00falsefalsefalse5falsefalsefalse00falsefalsefalse6falsefalsefalse00falsefalsefalse7truefalsefalse3137241931372419falsefalsefalse8falsefalsefalse00falsefalsefalsexbrli:sharesItemTypesharesIssuance of common units and Class F units in connection with SUGS AcquisitionNo definition available.false1Issuance of common units and Class F units in connection with SUGS AcquisitionfalsePartners' Capital and Distributions Change in common and Class F units (Details)UnKnownNoRoundingUnKnownUnKnowntruefalsefalseSheethttp://www.regencygasservices.com/role/PartnersCapitalAndDistributionsChangeInCommonAndClassFUnitsDetails85