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

Amount of payments related to finance lease liabilities.

+ References

No definition available.

+ Details

Name:	nmm_FinanceLeaseLiabilityPayments
Namespace Prefix:	nmm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Increase in finance lease liability.

+ References

No definition available.

+ Details

Name:	nmm_IncreaseRightOfUseAsset
Namespace Prefix:	nmm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

States whether the entity was in compliance with the debt covenants throughout the reporting period, and describes facts and circumstances of any compliance failure.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-SubTopic 10
-Topic 210
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (g)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480848/942-470-50-3

+ Details

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

- Definition

Description of minimum financial levels (for example, tangible net worth and working capital) and achievement of certain financial ratios (for example, working capital ratio and debt service coverage ratio), and adherence to certain clauses which generally require or restrict certain actions (for example, entering into a debt arrangement with equal or greater seniority, and selling or discontinuing a certain business segment or material subsidiary) to be in compliance with the covenant clauses of the debt agreement. May also include a discussion of the adverse consequences that would result if the entity violates or fails to satisfy the covenants.

+ References

+ Details

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

- Definition

The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.12)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

+ Details

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

- Definition

Amount of interest expense on finance lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 53
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479589/842-20-55-53

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 4
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479041/842-20-45-4

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-4

+ Details

Name:	us-gaap_FinanceLeaseInterestExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

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

Weighted average interest rate of long-term debt outstanding calculated at point in time.

+ References

No definition available.

+ Details

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

- 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_PropertyPlantAndEquipmentByTypeAxis=nmm_NaviosAmberMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

Borrowings - Finance Lease Liabilities (Narrative II) (Details Narrative) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Jul. 29, 2022 USD ($)
Sale Leaseback Transaction [Line Items]
Finance Lease, Liability	$ 468,414	$ 389,007
Finance Lease, Interest Expense	30,313	12,243	$ 0
Payments related to finance lease liabilities	$ 26,172	$ 10,389
Debt Instrument, Covenant Description	The Company’s credit facilities and certain financial liabilities also require compliance with a number of financial covenants, including: (i) maintain a required security ranging over 110% to 140%; (ii) minimum free consolidated liquidity in an amount equal to $500 per owned vessel and a number of vessels as defined in the Company’s credit facilities and financial liabilities; (iii) maintain a ratio of EBITDA to interest expense of at least 2.00:1.00; (iv) maintain a ratio of total liabilities or total debt to total assets (as defined in the Company’s credit facilities and financial liabilities) ranging from less than 0.75 to 0.80; and (v) maintain a minimum net worth of $135,000.
Debt Instrument, Covenant Compliance	As of December 31, 2023, Navios Partners was in compliance with the financial covenants and/or the prepayments and/or the cure provisions, as applicable, in each of its credit facilities and certain financial liabilities
Long-Term Debt, Weighted Average Interest Rate, at Point in Time	7.20%	5.30%	4.10%
Navios Amber [Member]
Sale Leaseback Transaction [Line Items]
Increase in finance lease liability	$ 1,620
Finance Lease Liabilities [Member] \| Upon Acquisition of 36-vessel drybulk fleet from Navios Holdings [Member] \| Navios Felicity I [Member]
Sale Leaseback Transaction [Line Items]
Vessel year built	2020
Vessel type	Kamsarmax
Vessel capacity in DWT	81,962
Term of Contract	seven-year
Finance Lease, Liability	$ 16,128			$ 17,473
Lessee, Finance Lease, Discount Rate	6.00%
Lessee, Finance Lease, Variable Lease Payment, Terms and Conditions	repayable in six years.
Finance Lease Liabilities [Member] \| Upon Acquisition of 36-vessel drybulk fleet from Navios Holdings [Member] \| Navios Herakles II [Member]
Sale Leaseback Transaction [Line Items]
Vessel year built	2019
Vessel type	Kamsarmax
Vessel capacity in DWT	82,036
Term of Contract	seven-year
Finance Lease, Liability	$ 16,354			17,791
Lessee, Finance Lease, Discount Rate	6.00%
Lessee, Finance Lease, Variable Lease Payment, Terms and Conditions	repayable in six years.
Finance Lease Liabilities [Member] \| Upon Acquisition of 36-vessel drybulk fleet from Navios Holdings [Member] \| Navios Coral [Member]
Sale Leaseback Transaction [Line Items]
Vessel year built	2016
Vessel type	Kamsarmax
Vessel capacity in DWT	84,904
Term of Contract	three-year
Finance Lease, Liability	$ 30,755			35,173
Lessee, Finance Lease, Discount Rate	6.00%
Lessee, Finance Lease, Variable Lease Payment, Terms and Conditions	repayable in two years
Finance Lease Liabilities [Member] \| Upon Acquisition of 36-vessel drybulk fleet from Navios Holdings [Member] \| Navios Amber [Member]
Sale Leaseback Transaction [Line Items]
Vessel year built	2015
Vessel type	Kamsarmax
Vessel capacity in DWT	80,994
Term of Contract	one-year
Finance Lease, Liability	$ 32,161
Lessee, Finance Lease, Discount Rate	6.00%
Lessee, Finance Lease, Variable Lease Payment, Terms and Conditions	repayable in one year.
Date of delivery	July 29, 2022
Increase in finance lease liability	$ 1,620
Finance Lease Liabilities [Member] \| Upon Acquisition of 36-vessel drybulk fleet from Navios Holdings [Member] \| Navios Citrine [Member]
Sale Leaseback Transaction [Line Items]
Vessel year built	2017
Vessel type	Kamsarmax
Vessel capacity in DWT	81,626
Term of Contract	three-year
Finance Lease, Liability	$ 31,566			35,605
Lessee, Finance Lease, Discount Rate	6.00%
Lessee, Finance Lease, Variable Lease Payment, Terms and Conditions	repayable in two years.
Finance Lease Liabilities [Member] \| Upon Acquisition of 36-vessel drybulk fleet from Navios Holdings [Member] \| Navios Dolphin [Member]
Sale Leaseback Transaction [Line Items]
Vessel year built	2017
Vessel type	Kamsarmax
Vessel capacity in DWT	81,630
Term of Contract	three-year
Finance Lease, Liability	$ 31,644			35,676
Lessee, Finance Lease, Discount Rate	6.00%
Lessee, Finance Lease, Variable Lease Payment, Terms and Conditions	repayable in two years.
Finance Lease Liabilities [Member] \| Upon Acquisition of 36-vessel drybulk fleet from Navios Holdings [Member] \| Navios Felix [member]
Sale Leaseback Transaction [Line Items]
Vessel year built	2016
Vessel type	Capesize
Vessel capacity in DWT	181,221
Term of Contract	one-year
Finance Lease, Liability				$ 43,383
Lessee, Finance Lease, Discount Rate	6.00%
Sale and Leaseback Agreements [Member]
Sale Leaseback Transaction [Line Items]
Deposits	$ 0	$ 8,650