Description of the scope of the issuance of common units.

No definition available.

Name:	nmm_DescriptionOfIssuanceScope
Namespace Prefix:	nmm_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The maximum aggregate offering price for issuance of limited partner interests.

+ References

No definition available.

+ Details

Name:	nmm_MaximumAggregateOfferingPriceIssuanceLimitedPartnerInterests
Namespace Prefix:	nmm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The rate for conversion of common units in a business combination transaction.

+ References

No definition available.

+ Details

Name:	nmm_SharesConversionRate
Namespace Prefix:	nmm_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

Name:	us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Total change in each class of partners' capital accounts during the year due to the sale of units. All partners include general, limited and preferred partners.

+ 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

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 5
-Subparagraph (SAB Topic 4.F)
-URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187171-122770

+ Details

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

- Definition

Total units issued during the year due to the sale of units. All partners include general, limited and preferred partners.

+ References

+ Details

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

- Definition

The number of units sold in a public offering of each class of partners' capital account. Units represent shares of ownership of the general, limited, and preferred partners.

+ References

+ Details

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

- Definition

Number of units issued for unit-based payment arrangement issued by partnership. Partner includes, but is not limited to, general, limited and preferred partners.

+ References

+ Details

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

- Definition

The cash inflow from the issuance of common limited partners units during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3255-108585

+ Details

Name:	us-gaap_ProceedsFromIssuanceOfCommonLimitedPartnersUnits
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash inflow from the capital received in cash from a partner in a partnership during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3255-108585

+ Details

Name:	us-gaap_ProceedsFromPartnershipContribution
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of noncash expense for share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585

+ Details

Name:	us-gaap_ShareBasedCompensation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(ii)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of shares under non-option equity instrument agreements that were cancelled as a result of occurrence of a terminating event.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

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

- Definition

Number of shares issued during the period related to Restricted Stock Awards, net of any shares forfeited.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21463-112644

Reference 2: 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

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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

- Definition

Number of shares (or other type of equity) forfeited during the period.

+ References

No definition available.

+ Details

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

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_TitleOfIndividualAxis=nmm_DirectorsAndOrOfficersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=nmm_UponTheNNAMergerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardDateAxis=nmm_StockBasedCompensation2018Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardDateAxis=nmm_StockBasedCompensation2017Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=nmm_AuthorizedDecember2019Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=nmm_AuthorizedFebruary1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=nmm_AuthorizedDecember2018Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=nmm_AuthorizedDecember2017Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_LimitedPartnerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=nmm_UponTheNMCIMergerAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=nmm_NaviosContainersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=nmm_UponTheNNAMergerAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_GeneralPartnerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TransactionTypeAxis=nmm_CommonUnitRepurchaseProgramMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TransactionTypeAxis=nmm_ContinuousOfferingProgram110MSalesAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TransactionTypeAxis=nmm_ContinuousOfferingProgram75MSalesAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TransactionTypeAxis=nmm_ContinuousOfferingProgramSalesAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Repurchases and Issuance of Units (Details Narrative) $ in Thousands		1 Months Ended	2 Months Ended	3 Months Ended	5 Months Ended	7 Months Ended	11 Months Ended	12 Months Ended
	Jan. 11, 2018 USD ($) shares	Feb. 28, 2019 USD ($)	Feb. 28, 2019 shares	Apr. 09, 2021 USD ($)	May 21, 2021 USD ($)	Jul. 30, 2022 USD ($)	Nov. 18, 2016 USD ($)	Dec. 31, 2022 USD ($) shares	Dec. 31, 2021 USD ($) shares	Dec. 31, 2020 USD ($)	Dec. 18, 2019 shares	Dec. 31, 2018 shares	Dec. 24, 2018 USD ($) shares	Dec. 31, 2017 shares
Net proceeds from the issuance of common units								$ 0	$ 198,495	$ 2,231
Net proceeds from the issuance of units									202,651	2,278
Compensation expense from restricted common units								154	523	946
Proceeds from Partnership Contribution								$ 0	$ 9,960	47
Restricted common units outstanding \| shares								1,001	42,916
Estimated compensation cost related to non-vested restricted common units								$ 4
Restricted Stock Units (RSUs) [Member]
Shares Issued, Shares, Share-Based Payment Arrangement, Forfeited \| shares								12,699
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Forfeitures \| shares								259
Directors and officers \| Restricted Stock [Member] \| Upon the NNA Merger [Member] \| Share-based awards, 2018 [Member]
Shares conversion rate								0.1275
Compensation expense from restricted common units								$ 42	$ 32
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures \| shares												129,269
Restricted common units outstanding \| shares								8,116
Directors and officers \| Restricted Stock [Member] \| Upon the NNA Merger [Member] \| Share-based awards, 2017 [Member]
Shares conversion rate								0.1275
Compensation expense from restricted common units								$ 0	37
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures \| shares														118,328
Restricted common units outstanding \| shares								3,727
Authorized December 2019 [Member] \| Directors and officers \| Restricted Stock Units (RSUs) [Member]
Restricted common units granted \| shares											4,000
Compensation expense from restricted common units								$ 10	18	35
Authorized February 2019 [Member] \| Directors and officers \| Restricted Stock Units (RSUs) [Member]
Restricted common units granted \| shares			25,396
Compensation expense from restricted common units								23	63	116
Authorized December 2018 [Member] \| Directors and officers \| Restricted Stock Units (RSUs) [Member]
Restricted common units granted \| shares													97,633
Compensation expense from restricted common units								79	187	348
Authorized December 2017 [Member] \| Directors and officers \| Restricted Stock Units (RSUs) [Member]
Restricted common units granted \| shares	91,336
Compensation expense from restricted common units								$ 0	$ 186	$ 447
Limited Partner [Member] \| Upon the NMCI Merger Agreement [Member] \| Navios Containers [Member]
Common units issued \| shares								8,133,452
Shares conversion rate								0.39
Limited Partner [Member] \| Upon the NNA Merger Agreement [Member] \| Navios Containers [Member]
Common units issued \| shares								3,388,226
Shares conversion rate								0.1275
General Partner [Member] \| Upon the NMCI Merger Agreement [Member]
General partnership units issued \| shares								165,989
Net proceeds from the issuance of units								$ 3,911
General Partner [Member] \| Upon the NNA Merger Agreement [Member]
Common units issued \| shares								69,147
Net proceeds from the issuance of units								$ 1,893
General Partner [Member] \| Authorized February 2019 [Member]
Restricted common units granted \| shares			518
Proceeds from Partnership Contribution		$ 8
General Partner [Member] \| Authorized December 2018 [Member]
Restricted common units granted \| shares													1,993
Proceeds from Partnership Contribution													$ 27
General Partner [Member] \| Authorized December 2017 [Member]
Restricted common units granted \| shares	1,864
Proceeds from Partnership Contribution	$ 64
Common Unit Repurchase Program [Member]
Maximum aggregate offering price						$ 100,000
$110.0m Sales Agreement [Member] \| Limited Partner [Member]
Maximum aggregate offering price					$ 110,000
Common units issued \| shares									3,963,249
Net proceeds from the issuance of common units									$ 103,691
$110.0m Sales Agreement [Member] \| General Partner [Member]
General partnership units issued \| shares									80,883
Description of the scope of th issuance									in order to maintain its 2.0% ownership interest
Net proceeds from the issuance of units									$ 2,172
$75.0m Sales Agreement [Member] \| Limited Partner [Member]
Maximum aggregate offering price				$ 75,000
Common units issued \| shares									2,437,624
Net proceeds from the issuance of common units									$ 73,117
$75.0m Sales Agreement [Member] \| General Partner [Member]
General partnership units issued \| shares									49,747
Description of the scope of th issuance									in order to maintain its 2.0% ownership interest
Net proceeds from the issuance of units									$ 1,530
Continuous Offering Program Sales Agreement [Member] \| Limited Partner [Member]
Maximum aggregate offering price							$ 25,000
Common units issued \| shares									1,286,857
Net proceeds from the issuance of common units									$ 23,918
Continuous Offering Program Sales Agreement [Member] \| General Partner [Member]
General partnership units issued \| shares									26,265
Description of the scope of th issuance									in order to maintain its 2.0% ownership interest
Net proceeds from the issuance of units									$ 501