<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.22.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>122</ContextCount>
  <ElementCount>228</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>59</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>6</UnitCount>
  <MyReports>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>00090 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>00100 - Statement - Condensed Consolidated Statements of Operations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/StatementCondensedConsolidatedStatementsOfOperations</Role>
      <ShortName>Condensed Consolidated Statements of Operations</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>00200 - Statement - Condensed Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/StatementCondensedConsolidatedBalanceSheets</Role>
      <ShortName>Condensed Consolidated Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>00205 - Statement - Condensed Consolidated Balance Sheets (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/StatementCondensedConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>Condensed Consolidated Balance Sheets (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>00300 - Statement - Condensed Consolidated Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/StatementCondensedConsolidatedStatementsOfCashFlows</Role>
      <ShortName>Condensed Consolidated Statements of Cash Flows</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>00400 - Statement - Condensed Consolidated Statements of Changes in Partners' Capital</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/StatementCondensedConsolidatedStatementsOfChangesInPartnersCapital</Role>
      <ShortName>Condensed Consolidated Statements of Changes in Partners' Capital</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>10101 - Disclosure - Organization And Business</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureOrganizationAndBusiness</Role>
      <ShortName>Organization And Business</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>10201 - Disclosure - Basis Of Presentation And Summary Of Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPolicies</Role>
      <ShortName>Basis Of Presentation And Summary Of Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>10301 - Disclosure - Discontinued Operations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureDiscontinuedOperations</Role>
      <ShortName>Discontinued Operations</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>10401 - Disclosure - Revenue Recognition</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureRevenueRecognition</Role>
      <ShortName>Revenue Recognition</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>10501 - Disclosure - Fair Value Measurements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureFairValueMeasurements</Role>
      <ShortName>Fair Value Measurements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>10601 - Disclosure - Derivative And Financial Instruments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureDerivativeAndFinancialInstruments</Role>
      <ShortName>Derivative And Financial Instruments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>10701 - Disclosure - Debt</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureDebt</Role>
      <ShortName>Debt</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>10801 - Disclosure - Gathering And Transportation Assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureGatheringAndTransportationAssets</Role>
      <ShortName>Gathering And Transportation Assets</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>10901 - Disclosure - Asset Retirement Obligation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureAssetRetirementObligation</Role>
      <ShortName>Asset Retirement Obligation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>11001 - Disclosure - Intangible Assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureIntangibleAssets</Role>
      <ShortName>Intangible Assets</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>11101 - Disclosure - Investments</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureInvestments</Role>
      <ShortName>Investments</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>11201 - Disclosure - Commitments And Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureCommitmentsAndContingencies</Role>
      <ShortName>Commitments And Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>11301 - Disclosure - Related Party Transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureRelatedPartyTransactions</Role>
      <ShortName>Related Party Transactions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>11401 - Disclosure - Unit-Based Compensation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureUnitBasedCompensation</Role>
      <ShortName>Unit-Based Compensation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>11501 - Disclosure - Partners' Capital</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosurePartnersCapital</Role>
      <ShortName>Partners' Capital</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>11601 - Disclosure - Variable Interest Entities</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureVariableInterestEntities</Role>
      <ShortName>Variable Interest Entities</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>11701 - Disclosure - Leases</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureLeases</Role>
      <ShortName>Leases</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>11801 - Disclosure - Subsequent Events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureSubsequentEvents</Role>
      <ShortName>Subsequent Events</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>20202 - Disclosure - Basis Of Presentation And Summary Of Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPoliciesPolicies</Role>
      <ShortName>Basis Of Presentation And Summary Of Significant Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosureBasisOfPresentationAndSummaryOfSignificantAccountingPolicies</ParentRole>
      <Position>25</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>30303 - Disclosure - Discontinued Operations (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureDiscontinuedOperationsTables</Role>
      <ShortName>Discontinued Operations (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosureDiscontinuedOperations</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>30503 - Disclosure - Fair Value Measurements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureFairValueMeasurementsTables</Role>
      <ShortName>Fair Value Measurements (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosureFairValueMeasurements</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>30603 - Disclosure - Derivative And Financial Instruments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureDerivativeAndFinancialInstrumentsTables</Role>
      <ShortName>Derivative And Financial Instruments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosureDerivativeAndFinancialInstruments</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>30803 - Disclosure - Gathering And Transportation Assets (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureGatheringAndTransportationAssetsTables</Role>
      <ShortName>Gathering And Transportation Assets (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosureGatheringAndTransportationAssets</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>30903 - Disclosure - Asset Retirement Obligation (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureAssetRetirementObligationTables</Role>
      <ShortName>Asset Retirement Obligation (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosureAssetRetirementObligation</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>31003 - Disclosure - Intangible Assets (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureIntangibleAssetsTables</Role>
      <ShortName>Intangible Assets (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosureIntangibleAssets</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>31103 - Disclosure - Investments (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureInvestmentsTables</Role>
      <ShortName>Investments (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosureInvestments</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>31503 - Disclosure - Partners' Capital (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosurePartnersCapitalTables</Role>
      <ShortName>Partners' Capital (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosurePartnersCapital</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>31603 - Disclosure - Variable Interest Entities (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureVariableInterestEntitiesTables</Role>
      <ShortName>Variable Interest Entities (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosureVariableInterestEntities</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>40301 - Disclosure - Discontinued Operations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureDiscontinuedOperationsDetails</Role>
      <ShortName>Discontinued Operations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosureDiscontinuedOperationsTables</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>40401 - Disclosure - Revenue Recognition (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureRevenueRecognitionDetails</Role>
      <ShortName>Revenue Recognition (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosureRevenueRecognition</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>40501 - Disclosure - Fair Value Measurements (Recurring) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureFairValueMeasurementsRecurringDetails</Role>
      <ShortName>Fair Value Measurements (Recurring) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosureFairValueMeasurementsTables</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>40502 - Disclosure - Fair Value Measurements (Non-Recurring) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureFairValueMeasurementsNonRecurringDetails</Role>
      <ShortName>Fair Value Measurements (Non-Recurring) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosureFairValueMeasurementsTables</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>40601 - Disclosure - Derivative And Financial Instruments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureDerivativeAndFinancialInstrumentsDetails</Role>
      <ShortName>Derivative And Financial Instruments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosureDerivativeAndFinancialInstrumentsTables</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>40602 - Disclosure - Derivative And Financial Instruments (Changes In Fair Value) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureDerivativeAndFinancialInstrumentsChangesInFairValueDetails</Role>
      <ShortName>Derivative And Financial Instruments (Changes In Fair Value) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosureDerivativeAndFinancialInstrumentsTables</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>40701 - Disclosure - Debt (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureDebtDetails</Role>
      <ShortName>Debt (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosureDebt</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>40801 - Disclosure - Gathering And Transportation Assets (Gathering and Transportation Assets) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureGatheringAndTransportationAssetsGatheringAndTransportationAssetsDetails</Role>
      <ShortName>Gathering And Transportation Assets (Gathering and Transportation Assets) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosureGatheringAndTransportationAssetsTables</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>40802 - Disclosure - Gathering And Transportation Assets (DDA and Impairments) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureGatheringAndTransportationAssetsDdaAndImpairmentsDetails</Role>
      <ShortName>Gathering And Transportation Assets (DDA and Impairments) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosureGatheringAndTransportationAssetsTables</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>40901 - Disclosure - Asset Retirement Obligation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureAssetRetirementObligationDetails</Role>
      <ShortName>Asset Retirement Obligation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosureAssetRetirementObligationTables</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>41001 - Disclosure - Intangible Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureIntangibleAssetsDetails</Role>
      <ShortName>Intangible Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosureIntangibleAssetsTables</ParentRole>
      <Position>45</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>41101 - Disclosure - Investments (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureInvestmentsDetails</Role>
      <ShortName>Investments (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosureInvestmentsTables</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>41102 - Disclosure - Investments (Unconsolidated Entities) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureInvestmentsUnconsolidatedEntitiesDetails</Role>
      <ShortName>Investments (Unconsolidated Entities) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosureInvestmentsTables</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>41201 - Disclosure - Commitments And Contingencies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureCommitmentsAndContingenciesDetails</Role>
      <ShortName>Commitments And Contingencies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosureCommitmentsAndContingencies</ParentRole>
      <Position>48</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>41301 - Disclosure - Related Party Transactions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureRelatedPartyTransactionsDetails</Role>
      <ShortName>Related Party Transactions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosureRelatedPartyTransactions</ParentRole>
      <Position>49</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>41401 - Disclosure - Unit-Based Compensation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureUnitBasedCompensationDetails</Role>
      <ShortName>Unit-Based Compensation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosureUnitBasedCompensation</ParentRole>
      <Position>50</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>41501 - Disclosure - Partners' Capital (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosurePartnersCapitalDetails</Role>
      <ShortName>Partners' Capital (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosurePartnersCapitalTables</ParentRole>
      <Position>51</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>41502 - Disclosure - Partners' Capital (Preferred Units) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosurePartnersCapitalPreferredUnitsDetails</Role>
      <ShortName>Partners' Capital (Preferred Units) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosurePartnersCapitalTables</ParentRole>
      <Position>52</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>41503 - Disclosure - Partners' Capital (Distributions) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosurePartnersCapitalDistributionsDetails</Role>
      <ShortName>Partners' Capital (Distributions) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosurePartnersCapitalTables</ParentRole>
      <Position>53</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>41601 - Disclosure - Variable Interest Entities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureVariableInterestEntitiesDetails</Role>
      <ShortName>Variable Interest Entities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosureVariableInterestEntitiesTables</ParentRole>
      <Position>54</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>41701 - Disclosure - Leases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureLeasesDetails</Role>
      <ShortName>Leases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosureLeases</ParentRole>
      <Position>55</Position>
    </Report>
    <Report instance="snmp-20220331x10q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>41801 - Disclosure - Subsequent Events (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.constellationenergypartners.com/role/DisclosureSubsequentEventsDetails</Role>
      <ShortName>Subsequent Events (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.constellationenergypartners.com/role/DisclosureSubsequentEvents</ParentRole>
      <Position>56</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="10-Q" original="snmp-20220331x10q.htm">snmp-20220331x10q.htm</File>
    <File>snmp-20220331.xsd</File>
    <File>snmp-20220331_cal.xml</File>
    <File>snmp-20220331_def.xml</File>
    <File>snmp-20220331_lab.xml</File>
    <File>snmp-20220331_pre.xml</File>
    <File>snmp-20220331xex31d1.htm</File>
    <File>snmp-20220331xex31d2.htm</File>
    <File>snmp-20220331xex32d1.htm</File>
    <File>snmp-20220331xex32d2.htm</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="4">http://fasb.org/srt/2021-01-31</BaseTaxonomy>
    <BaseTaxonomy items="338">http://fasb.org/us-gaap/2021-01-31</BaseTaxonomy>
    <BaseTaxonomy items="29">http://xbrl.sec.gov/dei/2021q4</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
