| | | | | | | | | | | | | | | | | | | | | |
<?xml version="1.0" encoding="windows-1252"?> |
<FilingSummary> |
| <Version> 3.8.0.1 </Version> |
| <ProcessingTime/> |
| <ReportFormat> html </ReportFormat> |
| <ContextCount> 16 </ContextCount> |
| <ElementCount> 87 </ElementCount> |
| <EntityCount> 1 </EntityCount> |
| <FootnotesReported> true </FootnotesReported> |
| <SegmentCount> 3 </SegmentCount> |
| <ScenarioCount> 0 </ScenarioCount> |
| <TuplesReported> false </TuplesReported> |
| <UnitCount> 2 </UnitCount> |
| <MyReports> |
| | <Report instance="mep-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R1.htm </HtmlFileName> |
| | | <LongName> 00000001 - Document - Document And Entity Information </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://mewbourneenergypartners05alp.com/role/DocumentAndEntityInformation </Role> |
| | | <ShortName> Document And Entity Information </ShortName> |
| | | <MenuCategory> Cover </MenuCategory> |
| | | <Position> 1 </Position> |
| | | </Report> |
| | <Report instance="mep-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R2.htm </HtmlFileName> |
| | | <LongName> 00000002 - Statement - BALANCE SHEETS </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://mewbourneenergypartners05alp.com/role/BalanceSheets </Role> |
| | | <ShortName> BALANCE SHEETS </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 2 </Position> |
| | | </Report> |
| | <Report instance="mep-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R3.htm </HtmlFileName> |
| | | <LongName> 00000003 - Statement - STATEMENTS OF OPERATIONS </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://mewbourneenergypartners05alp.com/role/StatementsOfOperations </Role> |
| | | <ShortName> STATEMENTS OF OPERATIONS </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 3 </Position> |
| | | </Report> |
| | <Report instance="mep-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R4.htm </HtmlFileName> |
| | | <LongName> 00000004 - Statement - STATEMENTS OF CHANGES IN PARTNERS' CAPITAL </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://mewbourneenergypartners05alp.com/role/StatementsOfChangesInPartnersCapital </Role> |
| | | <ShortName> STATEMENTS OF CHANGES IN PARTNERS' CAPITAL </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 4 </Position> |
| | | </Report> |
| | <Report instance="mep-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R5.htm </HtmlFileName> |
| | | <LongName> 00000005 - Statement - STATEMENTS OF CASH FLOWS </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://mewbourneenergypartners05alp.com/role/StatementsOfCashFlows </Role> |
| | | <ShortName> STATEMENTS OF CASH FLOWS </ShortName> |
| | | <MenuCategory> Statements </MenuCategory> |
| | | <Position> 5 </Position> |
| | | </Report> |
| | <Report instance="mep-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R6.htm </HtmlFileName> |
| | | <LongName> 00000006 - Disclosure - Description of Business </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://mewbourneenergypartners05alp.com/role/DescriptionOfBusiness </Role> |
| | | <ShortName> Description of Business </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 6 </Position> |
| | | </Report> |
| | <Report instance="mep-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R7.htm </HtmlFileName> |
| | | <LongName> 00000007 - Disclosure - Summary of Significant Accounting Policies </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://mewbourneenergypartners05alp.com/role/SummaryOfSignificantAccountingPolicies </Role> |
| | | <ShortName> Summary of Significant Accounting Policies </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 7 </Position> |
| | | </Report> |
| | <Report instance="mep-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R8.htm </HtmlFileName> |
| | | <LongName> 00000008 - Disclosure - Organization and Related Party Transactions </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://mewbourneenergypartners05alp.com/role/OrganizationAndRelatedPartyTransactions </Role> |
| | | <ShortName> Organization and Related Party Transactions </ShortName> |
| | | <MenuCategory> Notes </MenuCategory> |
| | | <Position> 8 </Position> |
| | | </Report> |
| | <Report instance="mep-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R9.htm </HtmlFileName> |
| | | <LongName> 00000009 - Disclosure - Summary of Significant Accounting Policies (Policies) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://mewbourneenergypartners05alp.com/role/SummaryOfSignificantAccountingPoliciesPolicies </Role> |
| | | <ShortName> Summary of Significant Accounting Policies (Policies) </ShortName> |
| | | <MenuCategory> Policies </MenuCategory> |
| | | <ParentRole> http://mewbourneenergypartners05alp.com/role/SummaryOfSignificantAccountingPolicies </ParentRole> |
| | | <Position> 9 </Position> |
| | | </Report> |
| | <Report instance="mep-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R10.htm </HtmlFileName> |
| | | <LongName> 00000010 - Disclosure - Summary of Significant Accounting Policies (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://mewbourneenergypartners05alp.com/role/SummaryOfSignificantAccountingPoliciesTables </Role> |
| | | <ShortName> Summary of Significant Accounting Policies (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <ParentRole> http://mewbourneenergypartners05alp.com/role/SummaryOfSignificantAccountingPolicies </ParentRole> |
| | | <Position> 10 </Position> |
| | | </Report> |
| | <Report instance="mep-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R11.htm </HtmlFileName> |
| | | <LongName> 00000011 - Disclosure - Related Party Transactions (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://mewbourneenergypartners05alp.com/role/RelatedPartyTransactionsTables </Role> |
| | | <ShortName> Related Party Transactions (Tables) </ShortName> |
| | | <MenuCategory> Tables </MenuCategory> |
| | | <Position> 11 </Position> |
| | | </Report> |
| | <Report instance="mep-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R12.htm </HtmlFileName> |
| | | <LongName> 00000012 - Disclosure - Description of Business (Details Narrative) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://mewbourneenergypartners05alp.com/role/DescriptionOfBusinessDetailsNarrative </Role> |
| | | <ShortName> Description of Business (Details Narrative) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://mewbourneenergypartners05alp.com/role/DescriptionOfBusiness </ParentRole> |
| | | <Position> 12 </Position> |
| | | </Report> |
| | <Report instance="mep-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R13.htm </HtmlFileName> |
| | | <LongName> 00000013 - Disclosure - Summary of Significant Accounting Policies (Details Narrative) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://mewbourneenergypartners05alp.com/role/SummaryOfSignificantAccountingPoliciesDetailsNarrative </Role> |
| | | <ShortName> Summary of Significant Accounting Policies (Details Narrative) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://mewbourneenergypartners05alp.com/role/SummaryOfSignificantAccountingPoliciesTables </ParentRole> |
| | | <Position> 13 </Position> |
| | | </Report> |
| | <Report instance="mep-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R14.htm </HtmlFileName> |
| | | <LongName> 00000014 - Disclosure - Summary of Significant Accounting Policies (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://mewbourneenergypartners05alp.com/role/SummaryOfSignificantAccountingPoliciesDetails </Role> |
| | | <ShortName> Summary of Significant Accounting Policies (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://mewbourneenergypartners05alp.com/role/SummaryOfSignificantAccountingPoliciesTables </ParentRole> |
| | | <Position> 14 </Position> |
| | | </Report> |
| | <Report instance="mep-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R15.htm </HtmlFileName> |
| | | <LongName> 00000015 - Disclosure - Organization and Related Party Transactions (Details Narrative) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://mewbourneenergypartners05alp.com/role/OrganizationAndRelatedPartyTransactionsDetailsNarrative </Role> |
| | | <ShortName> Organization and Related Party Transactions (Details Narrative) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://mewbourneenergypartners05alp.com/role/OrganizationAndRelatedPartyTransactions </ParentRole> |
| | | <Position> 15 </Position> |
| | | </Report> |
| | <Report instance="mep-20171231.xml"> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R16.htm </HtmlFileName> |
| | | <LongName> 00000016 - Disclosure - Organization and Related Party Transactions (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://mewbourneenergypartners05alp.com/role/OrganizationAndRelatedPartyTransactionsDetails </Role> |
| | | <ShortName> Organization and Related Party Transactions (Details) </ShortName> |
| | | <MenuCategory> Details </MenuCategory> |
| | | <ParentRole> http://mewbourneenergypartners05alp.com/role/OrganizationAndRelatedPartyTransactions </ParentRole> |
| | | <Position> 16 </Position> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <LongName> All Reports </LongName> |
| | | <ReportType> Book </ReportType> |
| | | <ShortName> All Reports </ShortName> |
| | | </Report> |
| | </MyReports> |
| <InputFiles> |
| | <File> mep-20171231.xml </File> |
| | <File> mep-20171231.xsd </File> |
| | <File> mep-20171231_cal.xml </File> |
| | <File> mep-20171231_def.xml </File> |
| | <File> mep-20171231_lab.xml </File> |
| | <File> mep-20171231_pre.xml </File> |
| | </InputFiles> |
| <SupplementalFiles/> |
| <BaseTaxonomies> |
| | <BaseTaxonomy> http://fasb.org/us-gaap/2017-01-31 </BaseTaxonomy> |
| | <BaseTaxonomy> http://xbrl.sec.gov/dei/2014-01-31 </BaseTaxonomy> |
| | </BaseTaxonomies> |
| <HasPresentationLinkbase> true </HasPresentationLinkbase> |
| <HasCalculationLinkbase> true </HasCalculationLinkbase> |
| </FilingSummary> |