The element refers to the date of delivery of vessels, bareboats and other significant assets.

No definition available.

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

- Definition

Term of lessee's finance lease, in 'PnYnMnDTnHnMnS' format.

+ References

No definition available.

+ Details

Name:	nmm_LesseeFinanceLeaseTermOfContract2
Namespace Prefix:	nmm_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	instant

- Definition

The vessels' capacity in deadweight tonnage (DWT).

+ References

No definition available.

+ Details

Name:	nmm_VesselCapacity
Namespace Prefix:	nmm_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

The type of vessel.

+ References

No definition available.

+ Details

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

- Definition

The year that the vessel was built.

+ References

No definition available.

+ Details

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

- Definition

Present value of lessee's discounted obligation for lease payments from finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-6

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479041/842-20-45-1

+ Details

Name:	us-gaap_FinanceLeaseLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, after accumulated amortization, of right-of-use asset from finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479041/842-20-45-1

+ Details

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

- Definition

Discount rate used by lessee to determine present value of finance lease payments.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)(3)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-3

+ Details

Name:	us-gaap_LesseeFinanceLeaseDiscountRate
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Description of basis, terms, and conditions on which variable lease payment for lessee's finance lease is determined.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-3

+ Details

Name:	us-gaap_LesseeFinanceLeaseVariableLeasePaymentTermsAndConditions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 840
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481295/840-40-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479741/842-40-50-2

+ Details

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

- Details

Name:	us-gaap_SaleLeasebackTransactionDescriptionAxis=nmm_FinanceLeaseLiabilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=nmm_NaviosAzaleaAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=nmm_NaviosArmoniaAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=nmm_NaviosAstraAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=nmm_NaviosAltairAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=nmm_NaviosSakuraIMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=nmm_NaviosAmethystAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=nmm_NaviosHorizonIBMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=nmm_NaviosMagellanIIMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=nmm_NaviosGalaxyIIMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=nmm_NaviosUranusMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Finance Lease Liabilities (Details Narrative) $ in Thousands	3 Months Ended	4 Months Ended	6 Months Ended	8 Months Ended	12 Months Ended
	Mar. 29, 2023	Apr. 27, 2023	Jun. 21, 2023	Aug. 31, 2023 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Sep. 13, 2022 USD ($)	Jul. 29, 2022 USD ($)
Sale Leaseback Transaction [Line Items]
Finance Lease, Liability					$ 468,414	$ 389,007
Finance Lease Liabilities [Member] \| Navios Azalea [member]
Sale Leaseback Transaction [Line Items]
Date of delivery					November 17, 2022
Vessel year built					2022
Vessel type					Capesize
Vessel capacity in DWT					182,064
Term of Contract					15-year
Lessee, Finance Lease, Discount Rate					7.00%
Finance Lease, Liability					$ 38,442
Lessee, Finance Lease, Variable Lease Payment, Terms and Conditions					repayable in 14 years.
Finance Lease Liabilities [Member] \| Navios Armonia [member]
Sale Leaseback Transaction [Line Items]
Date of delivery					September 21, 2022
Vessel year built					2022
Vessel type					Capesize
Vessel capacity in DWT					182,079
Term of Contract					15-year
Lessee, Finance Lease, Discount Rate					7.00%
Finance Lease, Liability					$ 38,205
Lessee, Finance Lease, Variable Lease Payment, Terms and Conditions					repayable in 14 years.
Finance Lease Liabilities [Member] \| Navios Astra [member]
Sale Leaseback Transaction [Line Items]
Date of delivery					September 13, 2022
Vessel year built					2022
Vessel type					Capesize
Vessel capacity in DWT					182,393
Term of Contract					10-year
Lessee, Finance Lease, Discount Rate					7.00%
Finance Lease, Liability					$ 39,620		$ 42,781
Lessee, Finance Lease, Variable Lease Payment, Terms and Conditions					repayable in nine years.
Finance Lease Liabilities [Member] \| Navios Altair [member]
Sale Leaseback Transaction [Line Items]
Vessel year built	2023
Vessel type	Capesize
Vessel capacity in DWT	182,115
Term of Contract	15-year
Lessee, Finance Lease, Discount Rate	6.50%
Finance Lease, Liability					$ 40,099
Lessee, Finance Lease, Variable Lease Payment, Terms and Conditions	repayable in 15 years.
Finance Lease Liabilities [Member] \| Navios Sakura [Member]
Sale Leaseback Transaction [Line Items]
Vessel year built		2023
Vessel type		Capesize
Vessel capacity in DWT		182,169
Term of Contract		15-year
Lessee, Finance Lease, Discount Rate		5.50%
Finance Lease, Liability					44,786
Lessee, Finance Lease, Variable Lease Payment, Terms and Conditions		repayable in 15 years.
Finance Lease Liabilities [Member] \| Navios Amenthyst [member]
Sale Leaseback Transaction [Line Items]
Vessel year built			2023
Vessel type			Capesize
Vessel capacity in DWT			182,212
Term of Contract			15-year
Lessee, Finance Lease, Discount Rate			5.40%
Finance Lease, Liability					$ 59,066
Lessee, Finance Lease, Variable Lease Payment, Terms and Conditions			repayable in 15 years.
Finance Lease Liabilities [Member] \| Navios Horizon I [member]
Sale Leaseback Transaction [Line Items]
Vessel year built				2019
Vessel type				Kamsarmax
Vessel capacity in DWT				81,692
Finance Lease, Right-of-Use Asset, after Accumulated Amortization				$ 27,561
Finance Lease Liabilities [Member] \| Navios Magellan II [Member] \| Upon Acquisition of 36-vessel drybulk fleet from Navios Holdings [Member]
Sale Leaseback Transaction [Line Items]
Vessel year built					2020
Vessel type					Kamsarmax
Vessel capacity in DWT					82,037
Term of Contract					eight-year
Lessee, Finance Lease, Discount Rate					6.00%
Finance Lease, Liability					$ 17,861			$ 19,385
Lessee, Finance Lease, Variable Lease Payment, Terms and Conditions					repayable in seven years.
Finance Lease Liabilities [Member] \| Navios Galaxy II [Member] \| Upon Acquisition of 36-vessel drybulk fleet from Navios Holdings [Member]
Sale Leaseback Transaction [Line Items]
Vessel year built					2020
Vessel type					Kamsarmax
Vessel capacity in DWT					81,789
Term of Contract					eight-year
Lessee, Finance Lease, Discount Rate					6.00%
Finance Lease, Liability					$ 15,899			17,702
Lessee, Finance Lease, Variable Lease Payment, Terms and Conditions					repayable in seven years.
Finance Lease Liabilities [Member] \| Navios Uranus [Member] \| Upon Acquisition of 36-vessel drybulk fleet from Navios Holdings [Member]
Sale Leaseback Transaction [Line Items]
Vessel year built					2019
Vessel type					Kamsarmax
Vessel capacity in DWT					81,821
Term of Contract					seven-year
Lessee, Finance Lease, Discount Rate					6.00%
Finance Lease, Liability					$ 15,828			$ 17,607
Lessee, Finance Lease, Variable Lease Payment, Terms and Conditions					repayable in six years.