2.4.0.841830 - Disclosure - TRANSACTIONS WITH RELATED PARTIES AND AFFILIATES - Vessel Chartering (Details)truefalsefalse1false USDfalsefalse$FYp0Qp0http://www.sec.gov/CIK0001415921duration2013-04-01T00:00:002013-06-30T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$FYp0Qm2http://www.sec.gov/CIK0001415921duration2012-04-01T00:00:002012-06-30T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$3false USDfalsefalse$FYp0YTDhttp://www.sec.gov/CIK0001415921duration2013-01-01T00:00:002013-06-30T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$4false USDfalsefalse$FYm1YTDhttp://www.sec.gov/CIK0001415921duration2012-01-01T00:00:002012-06-30T00:00:00USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 3NMM_NaviosApollonAbstractNMM_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Navios Apollon2false 4NMM_CharterpartyWithSubsidiaryOfNaviosHoldingsForNaviosApollonDateNMM_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse002012-02-16falsefalsetrue2falsefalsefalse00falsefalsefalse3falsefalsefalse002012-02-16falsefalsetrue4falsefalsefalse00falsefalsefalsexbrli:dateItemTypedateNo authoritative reference available.No definition available.false0Charterparty with subsidiary of Navios Holdings, date3false 4NMM_DailyCharterRateOfNaviosApollonNetPerDayForFirstYearNMM_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse1250012500USD$falsetruefalse2falsefalsefalse00falsefalsefalse3truefalsefalse1250012500USD$falsetruefalse4falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Daily charter rate, net per day, first year4false 4NMM_DailyCharterRateOfNaviosApollonNetPerDayForSecondYearNMM_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse1350013500falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse1350013500falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Daily charter rate, net per day, second year5false 4NMM_ProfitSharingBasedOnActualEarningsNMM_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse0050/50falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse0050/50falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringNo authoritative reference available.No definition available.false0Profit sharing based on actual earnings6false 4NMM_RevenueFromNaviosApollonCharterpartyWithNaviosHoldingsNMM_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse11890001189000falsefalsefalse2truefalsefalse11890001189000falsefalsefalse3truefalsefalse22170002217000falsefalsefalse4truefalsefalse16600001660000falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Revenue from charterparty7true 3NMM_NaviosProsperityAbstractNMM_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Navios Prosperity8false 4NMM_CharterpartyWithSubsidiaryOfNaviosHoldingsForNaviosProsperityDateNMM_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse002012-05-29falsefalsetrue2falsefalsefalse00falsefalsefalse3falsefalsefalse002012-05-29falsefalsetrue4falsefalsefalse00falsefalsefalsexbrli:dateItemTypedateNo authoritative reference available.No definition available.false0Charterparty with subsidiary of Navios Holdings, date9false 4NMM_DailyCharterRateOfNaviosProsperityNetPerDayForOneYearNMM_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse1200012000falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse1200012000falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Daily charter rate, net per day, first year10false 4NMM_ProfitSharingNMM_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00The first $1,500 in profits above the base rate and thereafter all profits will be split 50% to each partyfalsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00The first $1,500 in profits above the base rate and thereafter all profits will be split 50% to each partyfalsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringNo authoritative reference available.No definition available.false0Profit sharing based on actual earnings11false 4NMM_RevenueFromNaviosProsperityCharterpartyWithNaviosHoldingsNMM_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse10980001098000falsefalsefalse2truefalsefalse291000291000falsefalsefalse3truefalsefalse21730002173000falsefalsefalse4truefalsefalse291000291000falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Revenue from charterparty12true 3NMM_NaviosLibraAbstractNMM_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Navios Libra13false 4NMM_CharterpartyWithSubsidiaryOfNaviosHoldingsForNaviosLibraDateNMM_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse002012-09-30falsefalsetrue2falsefalsefalse00falsefalsefalse3falsefalsefalse002012-09-30falsefalsetrue4falsefalsefalse00falsefalsefalsexbrli:dateItemTypedateNo authoritative reference available.No definition available.false0Charterparty with subsidiary of Navios Holdings, date14false 4NMM_DailyCharterRateOfNaviosLibraNetPerDayForThreeYearsNMM_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse1200012000falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse1200012000falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Daily charter rate, net per day, three years15false 4NMM_ProfitSharingBasedOnActualEarningsNMM_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse0050/50falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse0050/50falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringNo authoritative reference available.No definition available.false0Profit sharing based on actual earnings16false 4NMM_RevenueFromNaviosLibraCharterpartyWithNaviosHoldingsNMM_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse10950001095000falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse22280002228000falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Revenue from charterparty17true 3NMM_NaviosFelicityAbstractNMM_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Navios Felicity18false 4NMM_CharterpartyWithSubsidiaryOfNaviosHoldingsForNaviosFelicityDateNMM_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse002013-05-08falsefalsetrue2falsefalsefalse00falsefalsefalse3falsefalsefalse002013-05-08falsefalsetrue4falsefalsefalse00falsefalsefalsexbrli:dateItemTypedateNo authoritative reference available.No definition available.false0Charterparty with subsidiary of Navios Holdings, date19false 4NMM_DailyCharterRateOfNaviosFelicityNetPerDayForOneYearNMM_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse1200012000falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse1200012000falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Daily charter rate, net per day, first year20false 4NMM_ProfitSharingBasedOnActualEarningsNMM_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse0050/50falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse0050/50falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringNo authoritative reference available.No definition available.false0Profit sharing based on actual earnings21false 4NMM_RevenueFromNaviosFelicityCharterpartyWithNaviosHoldingsNMM_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse628000628000falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse628000628000falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Revenue from charterparty22true 3NMM_NaviosAldebaranAbstractNMM_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Navios Aldebaran23false 4NMM_CharterpartyWithSubsidiaryOfNaviosHoldingsForNaviosAldebaranDateNMM_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse002013-05-25falsefalsetrue2falsefalsefalse00falsefalsefalse3falsefalsefalse002013-05-25falsefalsetrue4falsefalsefalse00falsefalsefalsexbrli:dateItemTypedateNo authoritative reference available.No definition available.false0Charterparty with subsidiary of Navios Holdings, date24false 4NMM_DailyCharterRateOfNaviosAldebaranNetPerDayForSixMonthsNMM_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse1100011000falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse1100011000falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Daily charter rate, net per day, six months25false 4NMM_ProfitSharingAldebaranNMM_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00The first $2,500 in profits above the base rate and thereafter all profits will be split 50% to each partyfalsefalsefalse2falsefalsefalse00falsefalsefalse3falsefalsefalse00The first $2,500 in profits above the base rate and thereafter all profits will be split 50% to each partyfalsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringNo authoritative reference available.No definition available.false0Profit sharing based on actual earnings26false 4NMM_RevenueFromNaviosAldebaranCharterpartyWithNaviosHoldingsNMM_falsecreditdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse315000315000USD$falsetruefalse2falsefalsefalse00falsefalsefalse3truefalsefalse315000315000USD$falsetruefalse4falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Revenue from charterpartyfalseTRANSACTIONS WITH RELATED PARTIES AND AFFILIATES - Vessel Chartering (Details) (USD $)NoRoundingUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.navios-mlp.com/20130630/role/DisclosureTransactionsWithRelatedPartiesVesselChartering426