General partner units issued during the year due to the sale of units.

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

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

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Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

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Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

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Costs incurred in connection with the offering and selling of additional partner interest.

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Monetary value of the issuance of new units of limited partnership interest in a public offering, net of offering costs. This is a parenthetical disclosure.

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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.

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Value of units that were previously issued and have been repurchased during the year.

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Change in the number of units for each class of partners' capital accounts during the year due to acquisitions. Partners include general, limited and preferred partners.

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

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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.

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Units that were previously issued and have been repurchased during the year.

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

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

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

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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.

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Amount of noncash expense for share-based payment arrangement.

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Per share or per unit amount of equity securities issued.

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Amount of stock repurchase plan authorized.

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Description of the reverse stock split arrangement. Also provide the retroactive effect given by the reverse split that occurs after the balance sheet date but before the release of financial statements.

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Issuance of units (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended	2 Months Ended	5 Months Ended	6 Months Ended	11 Months Ended	12 Months Ended
	Jan. 11, 2018	Feb. 01, 2019	Feb. 21, 2018	May 21, 2019	Jun. 30, 2020	Nov. 18, 2016	Dec. 31, 2020	Dec. 31, 2019	Dec. 18, 2019	Dec. 31, 2018	Dec. 24, 2018	Jan. 31, 2019
Schedule of Capitalization, Equity [Line Items]
Proceeds from issuance of Common Limited partners units							$ 2,231	$ 0		$ 33,373
Partners' Capital Account, Sale of Units							2,278			33,373
Common units repurchased and cancelled, value								4,499
Share-based Payment Arrangement, Noncash Expense							946	2,018		2,450
Net proceeds from issuance of general partner units							47	8		805
Compensation cost of non-vested restricted common units not yet recognized							$ 579
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number							92,699
Navios Holdings I [Member]
Schedule of Capitalization, Equity [Line Items]
Ownership percentage of Navios Holdings							18.20%
Olympos Maritime Ltd [Member]
Schedule of Capitalization, Equity [Line Items]
Navios Holdings' general partner interest in Navios Partners							2.10%
Directors and officers \| Restricted Stock Units (RSUs) [Member] \| Authorized December 2019 [Member]
Schedule of Capitalization, Equity [Line Items]
Partners' Capital Account, Unit-based Payment Arrangement, Number of Units									4,000
Share-based Payment Arrangement, Noncash Expense							$ 35	0
Directors and officers \| Restricted Stock Units (RSUs) [Member] \| Authorized February 2019
Schedule of Capitalization, Equity [Line Items]
Partners' Capital Account, Unit-based Payment Arrangement, Number of Units		25,396
Share-based Payment Arrangement, Noncash Expense							116	190
Directors and officers \| Restricted Stock Units (RSUs) [Member] \| Authorized December 2018 [Member]
Schedule of Capitalization, Equity [Line Items]
Partners' Capital Account, Unit-based Payment Arrangement, Number of Units											97,633
Share-based Payment Arrangement, Noncash Expense							348	669		20
Directors and officers \| Restricted Stock Units (RSUs) [Member] \| Authorized December 2017 [Member]
Schedule of Capitalization, Equity [Line Items]
Partners' Capital Account, Unit-based Payment Arrangement, Number of Units	91,336
Share-based Payment Arrangement, Noncash Expense							$ 447	833		1,600
Directors and officers \| Restricted Stock Units (RSUs) [Member] \| Authorized January 2017 [Member]
Schedule of Capitalization, Equity [Line Items]
Share-based Payment Arrangement, Noncash Expense								$ 325
Reverse stock split [Member]
Schedule of Capitalization, Equity [Line Items]
Stockholders' Equity, Reverse Stock Split				1-for-15
Limited Partner [Member]
Schedule of Capitalization, Equity [Line Items]
Proceeds from issuance of Common Limited partners units			$ 35,002
Common units repurchased and cancelled, units							312,952
Common units repurchased and cancelled, value							$ 4,499
Partners' Capital Account, Units, Acquisitions			1,228,133
Unit price			$ 28.50
Offering costs			$ 1,629
Proceeds from issuance of common units, net of offering costs			$ 33,373
Limited Partner [Member] \| Share Repurchase Program
Schedule of Capitalization, Equity [Line Items]
Stock Repurchase Program, Authorized Amount												$ 50,000
Limited Partner [Member] \| Continuous Offering Program Sales Agreement [Member]
Schedule of Capitalization, Equity [Line Items]
Maximum aggregate offering price						$ 25,000
Partners' Capital Account, Units, Sold in Public Offering							357,508
Proceeds from issuance of Common Limited partners units							$ 2,231
General Partner [Member]
Schedule of Capitalization, Equity [Line Items]
Partners' Capital Account, Units, Sale of Units							7,298
Partners' Capital Account, Sale of Units							$ 47
Net proceeds from issuance of general partner units					$ 8					$ 714
General Partner's capital account units sold in public offering										25,064
General Partner [Member] \| Authorized February 2019
Schedule of Capitalization, Equity [Line Items]
Partners' Capital Account, Unit-based Payment Arrangement, Number of Units		518
General Partner [Member] \| Authorized December 2018 [Member]
Schedule of Capitalization, Equity [Line Items]
Partners' Capital Account, Unit-based Payment Arrangement, Number of Units											1,993
Net proceeds from issuance of general partner units											$ 27
General Partner [Member] \| Authorized December 2017 [Member]
Schedule of Capitalization, Equity [Line Items]
Partners' Capital Account, Unit-based Payment Arrangement, Number of Units	1,864
Net proceeds from issuance of general partner units	$ 64