Description of assets held by the entity and pledged to counterparties as collateral for financing transactions.

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Number of repayment installments of a credit facility agreement.

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The amount of repayment, expressed as a percentage of the line of credit facility, which is presented in a quarterly frequency.

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The number of installments for the debt repayment.

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Number of loan tranches.

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Write-off of amounts previously capitalized as debt unamortized discount in an extinguishment of debt.

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Carrying amount as of the balance sheet date of cash collateral held for borrowed securities, for which the cash is restricted as to withdrawal or usage.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

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Face (par) amount of debt instrument at time of issuance.

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Date the debt instrument was issued, in CCYY-MM-DD format.

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount, after accumulated amortization, of debt discount.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Date the credit facility terminates, in CCYY-MM-DD format.

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Date the credit facility first became available, in CCYY-MM-DD format.

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Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions).

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of the required periodic payments of both interest and principal.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Description of long-term debt arrangements, which are debt arrangements that originally require full repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer, and disclosures pertaining to the underlying arrangements, including repayment terms, conversion features, interest rates, restrictions on assets and activities, debt covenants, and other matters important to users of the financial statements. Types of long-term debt arrangements include borrowing under notes payable, bonds payable, debentures, term loans, and other contractual obligations for payment.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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Borrowings (Details) $ in Thousands	2 Months Ended	4 Months Ended		5 Months Ended		6 Months Ended			7 Months Ended	8 Months Ended	11 Months Ended	12 Months Ended
Borrowings (Details) $ in Thousands	May 31, 2019 USD ($)	May 08, 2019 USD ($)	Apr. 15, 2019 USD ($)	Jun. 01, 2018 USD ($)	May 18, 2018 USD ($)	Jun. 30, 2019 USD ($)	Jul. 02, 2018 USD ($)	Jun. 28, 2017 USD ($)	Jul. 18, 2017 USD ($)	Aug. 30, 2018 USD ($)	Dec. 13, 2018 USD ($)	Dec. 31, 2018 USD ($)	Apr. 05, 2019 USD ($)	Feb. 12, 2019 USD ($)	Jul. 31, 2018 USD ($)	Mar. 26, 2018 USD ($)	Aug. 10, 2017 USD ($)	Jun. 26, 2017 USD ($)	Mar. 14, 2017 USD ($)	Nov. 01, 2013 USD ($)	Jun. 30, 2013 USD ($)
Debt Instrument [Line Items]
Amount outstanding						$ 339,327						$ 418,538
Unamortized discount						3,786						6,629
Outstanding balance						102,759						$ 75,671
Long- term debt						$ 485,063
Term Loan B Facility
Debt Instrument [Line Items]
Issuance date						Jun. 30, 2013
Debt amount																					$ 250,000
Amount outstanding						$ 335,541
Unamortized discount						3,786
Balloon payment on the last repayment date						339,327
Write-off of deferred financing fees						482
Repayment of debt	$ 73,478
Description of assets pledged as collateral												Four drybulk vessels were released and in exchange, five drybulk vessels and $2,000 in cash substituted the released vessels, as collateral to the Term Loan B Facility.
Cash collateral to the Term Loan B Facility												$ 2,000
Write-off of deferred debt unamortized discount						$ 1,002
Term Loan B Facility Addition
Debt Instrument [Line Items]
Debt amount																	$ 53,000			$ 189,500
Description of terms of credit facility						The add-on to the Term Loan B Facility bore the same terms as the Term Loan B Facility. Navios Partners used the net proceeds to partially finance the acquisition of three vessels.
New Term Loan B Facility
Debt Instrument [Line Items]
Issuance date						Mar. 14, 2017
Debt amount																			$ 405,000
Interest rate description						LIBOR plus 500 bps
Interest rate percentage						5.00%
Repayment frequency						quarterly
Repayment installments						8
Repayment amount						$ 0
Write-off of deferred financing fees						$ 1,880
Repayment interest rate percentage						1.25%
Maturity Date						Sep. 14, 2020
Write-off of deferred debt unamortized discount						$ 1,275
June 2017 Credit Facility
Debt Instrument [Line Items]
Credit Facility, Initiation Date						Jun. 26, 2017
Credit facility, maximum borrowing capacity																		$ 32,000
Number of loan tranches						2
Interest rate percentage						3.00%
Number of installments						9
Outstanding balance						$ 11,929
Repayment amount						569
Balloon payment on the last repayment date						$ 6,808
Interest rate description						LIBOR plus 300 bps
Maturity Date						Sep. 30, 2021
June 2017 Credit Facility \| Tranche A
Debt Instrument [Line Items]
Amount drawn down								$ 17,000
Write-off of deferred financing fees											$ 117
Repayment of debt											15,070
June 2017 Credit Facility \| Tranche B
Debt Instrument [Line Items]
Amount drawn down									$ 15,000
Refinance of July 2012 Credit Facility
Debt Instrument [Line Items]
Credit Facility, Initiation Date						Jun. 28, 2017
Credit facility, maximum borrowing capacity								$ 39,000
Number of loan tranches						4
Write-off of deferred financing fees			$ 94			$ 209
Repayment of debt			12,250				$ 20,200
Refinance of July 2012 Credit Facility \| Tranche A
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity						$ 32,000
Final maturity date						Sep. 30, 2020
Refinance of July 2012 Credit Facility \| Tranche B
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity						$ 7,000
Final maturity date						Jun. 30, 2020
March 2018 Credit Facility
Debt Instrument [Line Items]
Credit Facility, Initiation Date						Mar. 26, 2018
Credit facility, maximum borrowing capacity																$ 14,300
Number of loan tranches						2
Interest rate percentage						3.00%
Number of installments						16
Outstanding balance						$ 5,958
Repayment frequency						quarterly
Repayment amount						$ 298
Balloon payment on the last repayment date						$ 1,190
Interest rate description						LIBOR plus 300 bps
Maturity Date						Jun. 30, 2023
March 2018 Credit Facility \| Tranche A
Debt Instrument [Line Items]
Amount drawn down					$ 7,150
March 2018 Credit Facility \| Tranche B
Debt Instrument [Line Items]
Amount drawn down				$ 7,150
Write-off of deferred financing fees											95
Repayment of debt											$ 6,554
DVB 44M Credit Facility
Debt Instrument [Line Items]
Credit Facility, Initiation Date						Jul. 31, 2018
Credit facility, maximum borrowing capacity															$ 44,000
Number of loan tranches						2
Interest rate percentage						2.90%
Number of installments						17
Outstanding balance						$ 41,607
Repayment frequency						quarterly
Repayment amount						$ 798
Balloon payment on the last repayment date						$ 28,050
Interest rate description						LIBOR plus 290 bps
Maturity Date						Sep. 30, 2023
DVB 44M Credit Facility \| Tranche A
Debt Instrument [Line Items]
Amount drawn down										$ 17,500
DVB 44M Credit Facility \| Tranche B
Debt Instrument [Line Items]
Amount drawn down										$ 26,500
February 2019 Credit Facility
Debt Instrument [Line Items]
Credit Facility, Initiation Date						Feb. 12, 2019
Credit facility, maximum borrowing capacity														$ 66,000
Number of loan tranches						4
Interest rate percentage						2.60%
Outstanding balance						$ 31,350
Interest rate description						LIBOR plus 260 bps
Maturity Date						Mar. 31, 2024
February 2019 Credit Facility \| Tranche A
Debt Instrument [Line Items]
Amount drawn down			15,675
February 2019 Credit Facility \| Tranche B
Debt Instrument [Line Items]
Amount drawn down			$ 15,675
February 2019 Credit Facility \| First eight installments
Debt Instrument [Line Items]
Number of installments						8
Repayment frequency						quarterly
Repayment amount						$ 1,112
Balloon payment on the last repayment date						$ 11,400
February 2019 Credit Facility \| From ninth to twentieth installment
Debt Instrument [Line Items]
Number of installments						12
Repayment frequency						quarterly
Repayment amount						$ 922
Balloon payment on the last repayment date						$ 11,400
December 2018 Credit Facility
Debt Instrument [Line Items]
Credit Facility, Initiation Date						Dec. 28, 2018
Credit facility, maximum borrowing capacity						$ 28,500
Number of loan tranches						3
Interest rate percentage						2.75%
Number of installments						18
Outstanding balance						$ 11,915
Repayment frequency						quarterly
Repayment amount						$ 253
Balloon payment on the last repayment date						$ 7,358
Interest rate description						LIBOR plus 275 bps
Maturity Date						Dec. 31, 2023
December 2018 Credit Facility \| Tranche A
Debt Instrument [Line Items]
Amount drawn down		$ 11,915
April 2019 Credit Facility
Debt Instrument [Line Items]
Credit Facility, Initiation Date						Apr. 05, 2019
Credit facility, maximum borrowing capacity													$ 40,000
Number of loan tranches						2
Interest rate description						LIBOR plus 275 bps
Interest rate percentage						2.75%
Debt instrument term						5 years
Description of assets pledged as collateral						refinance two Capesize vessels, previously included in the Term Loan B collateral package