Description of the distribution amount per unit for all classes of units.

No definition available.

Name:	nmm_MinimumQuarterlyDistributionDescriptionPolicy
Namespace Prefix:	nmm_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

+ Details

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Per unit of ownership amount of cash distributions declared to unit-holder of a limited liability company (LLC).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

+ Details

Name:	us-gaap_DistributionMadeToLimitedLiabilityCompanyLLCMemberDistributionsDeclaredPerUnit
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- 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

Name:	us-gaap_DistributionMadeToLimitedLiabilityCompanyLLCMemberLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of cash distribution paid to unit-holder of limited partnership (LP).

+ References

+ Details

Name:	us-gaap_DistributionMadeToLimitedPartnerCashDistributionsPaid
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Date of record for distribution of cash or unit to limited partner of limited partnership (LP), in YYYY-MM-DD format.

+ References

+ Details

Name:	us-gaap_DistributionMadeToLimitedPartnerDateOfRecord
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Date of distribution for distribution of cash or unit to limited partner of limited partnership (LP), in YYYY-MM-DD format.

+ References

+ Details

Name:	us-gaap_DistributionMadeToLimitedPartnerDistributionDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis=nmm_QuarterlyCashDistributionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Cash distributions and earnings per unit (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended		4 Months Ended		6 Months Ended		7 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Apr. 30, 2022	Apr. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Jul. 31, 2022	Jul. 31, 2021
Distribution Made to Limited Liability Company (LLC) Member [Line Items]
Description of the distribution amount per unit for all classes of units					The first 98% of the quarterly distribution is paid to all common unitholders. The incentive distributions rights (held by Navios GP L.L.C.) apply only after a minimum quarterly distribution of $6.0375 per unit.
Potential common units					42,916	86,350
Quarterly Cash Distribution [Member]
Distribution Made to Limited Liability Company (LLC) Member [Line Items]
Distribution Made to Limited Liability Company (LLC) Member, Distributions Declared, Per Unit	$ 0.05	$ 0.05	$ 0.05	$ 0.05			$ 0.05	$ 0.05
Distribution Made to Limited Partner, Distribution Date	Feb. 11, 2022	Feb. 12, 2021	May 12, 2022	May 14, 2021			Aug. 12, 2022	Aug. 12, 2021
Distribution Made to Limited Partner, Date of Record	Feb. 09, 2022	Feb. 09, 2021	May 09, 2022	May 11, 2021			Aug. 09, 2022	Aug. 09, 2021
Distribution Made to Limited Partner, Cash Distributions Paid	$ 1,541	$ 579	$ 1,541	$ 1,127			$ 1,541	$ 1,384