Borrowings (Details Narrative)
1 Months Ended 3 Months Ended 6 Months Ended 7 Months Ended 8 Months Ended 12 Months Ended
Jan. 31, 2022
USD ($)
Jun. 30, 2022
USD ($)
Jun. 30, 2021
USD ($)
Jun. 30, 2022
USD ($)
shares
Jun. 30, 2021
USD ($)
Jul. 31, 2022
USD ($)
Aug. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Mar. 31, 2022
USD ($)
Debt Instrument [Line Items]                  
Repayments of Debt       $ 77,704,000          
Gain (Loss) on Extinguishment of Debt   $ (106,000) $ 1,873,000 (221,000) $ 1,873,000        
Outstanding amount   1,291,431,000   $ 1,291,431,000       $ 1,405,814,000  
Debt Instrument, Covenant Description       The Company’s secured credit facilities required compliance with maintenance covenants. Depending on the facility, these covenants included: (i) value-to-loan ratio covenants based on charter-free valuations, ranging from over 125% to 133%; (ii) minimum liquidity, as defined in the credit facilities, of $10,000; (iii) total debt divided by total assets, as defined in each credit facility, of 75%; and (iv) net worth, as defined in the credit facility, of $125,000.          
Convertible Notes Payable, Noncurrent   47,637,000   $ 47,637,000       $ 0  
Sale Leaseback Transaction, Amount Due under Financing Arrangement   137,802   137,802          
Convertible Debenture [Member]                  
Debt Instrument [Line Items]                  
Convertible Notes Payable, Noncurrent   47,637,000   $ 47,637,000          
Convertible conversion ratio               4.00%  
Number of trading months       36          
Convertible Debt               $ 24,000,000  
Debt Instrument, Convertible, Terms of Conversion Feature               five years  
Minimum [Member] | Convertible Debenture [Member]                  
Debt Instrument [Line Items]                  
Convertible conversion ratio       5.00%          
Maximum [Member] | Convertible Debenture [Member]                  
Debt Instrument [Line Items]                  
Convertible conversion ratio       10.00%          
Hamburg Commercial Bank AG [Member]                  
Debt Instrument [Line Items]                  
Line of credit facility initiation date       December 2021          
Line of Credit Facility, Maximum Borrowing Capacity   101,750,000   $ 101,750,000          
Description of scope, credit facility       for the refinancing of seven dry bulk vessels          
Drawn down date       January 5, 2022          
Line of Credit Facility, Interest Rate Description       LIBOR plus a margin          
Prepayment date       March 2022          
Prepayments of debt       $ 10,380,000          
Number Of Vessels Released As Collateral       one          
Outstanding amount   87,430,000   $ 87,430,000         $ 91,345,000
Number of repayment installments       8          
Line of Credit Facility, Frequency of Payments       quarterly          
Line of Credit Facility, Periodic Payment       $ 3,915,000          
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid   60,027,000   $ 60,027,000          
Hamburg Commercial Bank AG [Member] | Minimum [Member]                  
Debt Instrument [Line Items]                  
Debt Instrument, Basis Spread on Variable Rate       3.25%          
Hamburg Commercial Bank AG [Member] | Maximum [Member]                  
Debt Instrument [Line Items]                  
Debt Instrument, Basis Spread on Variable Rate       4.50%          
Loan Facility Credit Agricole CIB/ BNP Paribas ($105,000) [Member]                  
Debt Instrument [Line Items]                  
Line of credit facility initiation date       December 2021          
Line of Credit Facility, Maximum Borrowing Capacity   105,000,000   $ 105,000,000          
Description of scope, credit facility       for the refinancing of seven dry bulk vessels.          
Drawn down date       January 5, 2022          
Line of Credit Facility, Interest Rate Description       LIBOR plus a margin          
Outstanding amount   98,500,000   $ 98,500,000          
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid   41,000,000   $ 41,000,000          
Loan Facility Credit Agricole CIB/ BNP Paribas ($105,000) [Member] | Minimum [Member]                  
Debt Instrument [Line Items]                  
Debt Instrument, Basis Spread on Variable Rate       2.85%          
Loan Facility Credit Agricole CIB/ BNP Paribas ($105,000) [Member] | Maximum [Member]                  
Debt Instrument [Line Items]                  
Debt Instrument, Basis Spread on Variable Rate       3.75%          
Four of Navios Holdings Credit Facilities [Member]                  
Debt Instrument [Line Items]                  
Repayments of Debt       $ 131,012,000 $ 36,199,000        
Sale and Leaseback Agreements $77,000 [Member]                  
Debt Instrument [Line Items]                  
Sale Leaseback Transaction, Date       December 2021          
Sale Leaseback Transaction, Amount Due under Financing Arrangement   77,000,000   $ 77,000,000          
Sale and Leaseback Transaction Description       in order to finance four dry bulk vessels.          
Sale and Leaseback Agreements $77,000 [Member] | Two dry bulk vessels [Member]                  
Debt Instrument [Line Items]                  
Number of repayment installments       96          
Debt Instrument, Periodic Payment       $ 481,000          
Debt Instrument, Maturity Date, Description       fourth quarter of 2029          
Balloon payment   3,600,000   $ 3,600,000          
Sale and Leaseback Agreements $77,000 [Member] | One Dry Bulk Vessel [Member]                  
Debt Instrument [Line Items]                  
Debt Instrument, Frequency of Periodic Payment       monthly          
Number of repayment installments       72          
Debt Instrument, Periodic Payment       $ 688,000          
Debt Instrument, Maturity Date, Description       fourth quarter of 2027          
Balloon payment   3,500,000   $ 3,500,000          
Sale and Leaseback Agreements $77,000 [Member] | Fourth Sale Lease Back Agreement [Member]                  
Debt Instrument [Line Items]                  
Drawn down date       January 2022          
Debt Instrument, Frequency of Periodic Payment       monthly          
Number of repayment installments       84          
Debt Instrument, Periodic Payment       $ 643,000          
Debt Instrument, Maturity Date, Description       first quarter of 2029          
Balloon payment   1,000,000   $ 1,000,000          
Proceeds from Lines of Credit       $ 19,000,000          
Sale And Leaseback Agreements $68,000 [Member]                  
Debt Instrument [Line Items]                  
Debt Instrument, Frequency of Periodic Payment       monthly          
Sale Leaseback Transaction, Date       first quarter of 2020          
Sale Leaseback Transaction, Amount Due under Financing Arrangement   68,000,000   $ 68,000,000          
Sale and Leaseback Transaction Description       for two Capesize vessels          
Number of repayment installments       144          
Sale And Leaseback Agreements $68,000 [Member] | Capesize Vessel A [Member]                  
Debt Instrument [Line Items]                  
Debt Instrument, Periodic Payment       $ 224,000          
Debt Instrument, Maturity Date, Description       fourth quarter of 2031          
Balloon payment   750,000   $ 750,000          
Sale And Leaseback Agreements $68,000 [Member] | Capesize Vessel B [Member]                  
Debt Instrument [Line Items]                  
Debt Instrument, Periodic Payment       $ 238,000          
Debt Instrument, Maturity Date, Description       first quarter of 2032          
Balloon payment   750,000   $ 750,000          
Sale and Leaseback Agreements $12,000 [Member]                  
Debt Instrument [Line Items]                  
Drawn down date       March 2022          
Number of repayment installments       60          
Debt Instrument, Frequency of Periodic Payment       monthly          
Sale Leaseback Transaction, Date       March 2022          
Sale Leaseback Transaction, Amount Due under Financing Arrangement   12,000,000   $ 12,000,000          
Sale and Leaseback Transaction Description       to finance one dry bulk vessel          
Debt Instrument, Periodic Payment       $ 521,000          
Debt Instrument, Maturity Date, Description       first quarter of 2027          
Balloon payment   $ 1,600,000   $ 1,600,000          
Sale and Leaseback Agreements $22,000 [Member] | Eight Sale Lease Back Agreement [Member]                  
Debt Instrument [Line Items]                  
Drawn down date           third quarter 2022      
Debt Instrument, Frequency of Periodic Payment           monthly      
Sale Leaseback Transaction, Date           third quarter of 2022      
Sale Leaseback Transaction, Amount Due under Financing Arrangement           $ 22,000,000      
Sale and Leaseback Transaction Description           to finance a dry bulk vessel      
Number of repayment installments           120      
Debt Instrument, Periodic Payment           $ 158,000      
Debt Instrument, Maturity Date, Description       third quarter of 2032          
Balloon payment           3,000,000      
First four installments [Member] | Loan Facility Credit Agricole CIB/ BNP Paribas ($105,000) [Member]                  
Debt Instrument [Line Items]                  
Line of Credit Facility, Periodic Payment       $ 6,500,000          
Debt Instrument, Frequency of Periodic Payment       quarterly          
Next eight installments [Member] | Loan Facility Credit Agricole CIB/ BNP Paribas ($105,000) [Member]                  
Debt Instrument [Line Items]                  
Line of Credit Facility, Periodic Payment       $ 4,750,000          
Debt Instrument, Frequency of Periodic Payment       quarterly          
Three of the four new sale and leaseback agreements [Member] | Sale and Leaseback Agreements $77,000 [Member]                  
Debt Instrument [Line Items]                  
Drawn down date       December 2021          
Proceeds from Lines of Credit       $ 58,000,000          
Three Month Period Ended [Member]                  
Debt Instrument [Line Items]                  
Debt, Weighted Average Interest Rate   10.17% 9.34% 10.17% 9.34%        
Six Month Period Ended [Member]                  
Debt Instrument [Line Items]                  
Debt, Weighted Average Interest Rate   10.05% 9.33% 10.05% 9.33%        
2022 Senior Secured Notes [Member]                  
Debt Instrument [Line Items]                  
Line of credit facility initiation date       November 21, 2017          
Debt Instrument, Face Amount   $ 305,000,000   $ 305,000,000          
Debt Instrument, Interest Rate, Stated Percentage   11.25%   11.25%          
Debt instrument, issuance price percentage       97.00%          
Agreggate principal amount, redeemed   $ 40,000,000 $ 0 $ 65,000,000 $ 0 $ 10,000,000      
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed       100.00%          
Write off of Deferred Debt Issuance Cost   106,000   $ 221,000          
Repayments of Debt             $ 80,000,000    
Deferred Financing Costs             $ 142,000    
Maturity Date       August 2022          
2022 Notes [member]                  
Debt Instrument [Line Items]                  
Debt Instrument, Face Amount   $ 650,000,000   $ 650,000,000          
Debt Instrument, Interest Rate, Stated Percentage   7.375%   7.375%          
Repayments of Debt $ 455,466,000                
Debt Instrument, Issuance Date       Nov. 29, 2013          
Debt Instrument, Repurchased Face Amount     14,356,000   14,356,000        
Debt Instrument, Repurchase Amount     $ 12,454,000   12,454,000        
Gain (Loss) on Extinguishment of Debt         1,873,000        
2022 Notes [member] | NSM Loan [Member]                  
Debt Instrument [Line Items]                  
Repayments of Debt 100,000,000                
2022 Notes [member] | Sale and Leaseback Agreements $77,000 [Member]                  
Debt Instrument [Line Items]                  
Repayments of Debt $ 77,000,000                
Number of sale and leaseback agreements four                
2022 Notes [member] | Two Credit Facilities [Member]                  
Debt Instrument [Line Items]                  
Repayments of Debt $ 206,725,000                
2022 Notes [member] | NSM Loan [Member]                  
Debt Instrument [Line Items]                  
Asset Not Pledged As Collateral.               $ 158,873,000  
Senior Notes 2024 [Member]                  
Debt Instrument [Line Items]                  
Debt Instrument, Redemption Price, Percentage       100.00%          
Senior Notes 2024 [Member] | Series H Preferred Stock [Member]                  
Debt Instrument [Line Items]                  
Debt Instrument, Face Amount   $ 4,747,000   $ 4,747,000          
Debt Instrument, Interest Rate, Stated Percentage   9.75%   9.75%          
Debt instrument issuance date       March 21, 2019          
Treasury Stock, Shares, Acquired | shares       10,930          
Senior Notes 2024 [Member] | Series G Preferred Stock [Member]                  
Debt Instrument [Line Items]                  
Debt Instrument, Face Amount   $ 3,879,000   $ 3,879,000          
Debt instrument issuance date       April 21, 2019          
Treasury Stock, Shares, Acquired | shares       8,841          
Credit Facilities [Member]                  
Debt Instrument [Line Items]                  
Debt Instrument, Covenant Compliance       As of June 30, 2022, the Company was in compliance with all of the covenants under each of its credit facilities.          
NSM Loan I [Member]                  
Debt Instrument [Line Items]                  
Line of credit facility initiation date       December 2021          
Line of Credit Facility, Maximum Borrowing Capacity   127,632,000   $ 127,632,000          
Outstanding amount   $ 127,632,000   $ 127,632,000          
Line of Credit Facility, Frequency of Payments       quarterly          
Line of Credit Facility, Periodic Payment       $ 5,000,000          
Number of loan tranches   2   2          
NSM Loan I [Member] | Convertible Debenture [Member]                  
Debt Instrument [Line Items]                  
Convertible Notes Payable, Noncurrent   $ 11,204,000   $ 11,204,000          
Convertible conversion ratio       18.00%          
NSM Loan I [Member] | Tranche A [Member]                  
Debt Instrument [Line Items]                  
Line of Credit Facility, Maximum Borrowing Capacity   48,573,000   $ 48,573,000          
NSM Loan I [Member] | Tranche B [Member]                  
Debt Instrument [Line Items]                  
Line of Credit Facility, Maximum Borrowing Capacity   79,059,000   $ 79,059,000          
NSM Loan II [Member]                  
Debt Instrument [Line Items]                  
Line of credit facility initiation date       December 2021          
Line of Credit Facility, Maximum Borrowing Capacity   135,000,000   $ 135,000,000          
Outstanding amount   $ 135,000,000   $ 135,000,000          
Line of Credit Facility, Frequency of Payments       quarterly          
Line of Credit Facility, Periodic Payment       $ 5,000,000          
Number of loan tranches   2   2          
NSM Loan II [Member] | Convertible Debenture [Member]                  
Debt Instrument [Line Items]                  
Convertible Notes Payable, Noncurrent   $ 11,850,000   $ 11,850,000          
Convertible conversion ratio       18.00%          
NSM Loan II [Member] | Tranche A [Member]                  
Debt Instrument [Line Items]                  
Line of Credit Facility, Maximum Borrowing Capacity   64,059,000   $ 64,059,000          
NSM Loan II [Member] | Tranche B [Member]                  
Debt Instrument [Line Items]                  
Line of Credit Facility, Maximum Borrowing Capacity   70,941,000   $ 70,941,000          
NSM Loan I & II [Member] | Convertible Debenture [Member]                  
Debt Instrument [Line Items]                  
Convertible conversion ratio       18.00%          
Prepayment fee       $ 61,730,000          
Four Percent PIK [Member] | Convertible Debenture [Member]                  
Debt Instrument [Line Items]                  
Convertible Notes Payable, Noncurrent   583,000   $ 583,000          
Convertible conversion ratio       4.00%          
2025 Logistics Senior Notes [Member] | Navios Logistics [Member]                  
Debt Instrument [Line Items]                  
Debt Instrument, Face Amount   $ 500,000,000   $ 500,000,000          
Debt Instrument, Interest Rate, Stated Percentage   10.75%   10.75%          
Deferred Financing Costs   $ 14,403,000   $ 14,403,000       15,927,000  
Debt Instrument, Issuance Date       Jul. 08, 2020          
Debt Instrument, Covenant Description       The 2025 Logistics Senior Notes are secured by (i) first priority ship mortgages on four tanker vessels servicing the Navios Logistics’ cabotage business (the (1) Elena H, (2) Makenita H, (3) Sara H and (4) He Man H) owned by certain subsidiary guarantors (such guarantors, the “Mortgaged Vessel Guarantors”) and related assignments of earnings and insurance together with a first priority lien on the capital stock of each Mortgaged Vessel Guarantor; and (ii) an assignment by way of security of the Vale port contract (collectively, the “Collateral”).          
Debt Instrument, Covenant Compliance       The Logistics Co-Issuers were in compliance with the covenants as of June 30, 2022.          
Maturity Date       July 1, 2025          
2025 Logistics Senior Notes [Member] | Prior to August 1, 2022 [Member] | Navios Logistics [Member]                  
Debt Instrument [Line Items]                  
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed       35.00%          
Debt Instrument, Redemption Price, Percentage       110.75%          
Debt Instrument, Redemption, Description       Prior to August 1, 2022, the Logistics Co-Issuers may also redeem all or a part of the 2025 Logistics Senior Notes at a redemption price equal to the sum of: (a) 100% of the principal amount of the 2025 Logistics Senior Notes to be redeemed; plus (b) the applicable “make-whole” premium described in the Indenture governing the 2025 Logistics Senior Notes, plus (c) accrued and unpaid interest, if any, on the 2025 Logistics Senior Notes to be redeemed, to (but excluding) the applicable redemption date, subject to the right of holders of notes on the relevant record date to receive interest due on all the relevant interest payment dates.          
2025 Logistics Senior Notes [Member] | Upon Certain Changes In Law [Member] | Navios Logistics [Member]                  
Debt Instrument [Line Items]                  
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed       100.00%          
2025 Logistics Senior Notes [Member] | Upon occurrence of certain change of control events [Member] | Navios Logistics [Member]                  
Debt Instrument [Line Items]                  
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed       101.00%          
2022 Navios Logistics Alpha Bank Loan [Member]                  
Debt Instrument [Line Items]                  
Line of credit facility initiation date       February 28, 2022          
Line of Credit Facility, Maximum Borrowing Capacity   7,000,000   $ 7,000,000          
Description of scope, credit facility       in order to repay existing debt under the Navios Logistics Alpha Bank Loan.          
Drawn down date       May 18, 2022          
Line of Credit Facility, Interest Rate Description       Secured Overnight Financing Rate (“SOFR”) plus 315 basis points.          
Outstanding amount   7,000,000   $ 7,000,000          
Number of repayment installments       12          
Line of Credit Facility, Frequency of Payments       quarterly          
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid   2,800,000   $ 2,800,000          
Debt Instrument, Date of First Required Payment       Aug. 18, 2022          
Debt Issuance Costs, Gross   87,000   $ 87,000       99,000  
2022 Navios Logistics BBVA Facility [Member]                  
Debt Instrument [Line Items]                  
Line of credit facility initiation date       March 23, 2022          
Line of Credit Facility, Maximum Borrowing Capacity   25,000,000   $ 25,000,000          
Description of scope, credit facility       to repay existing debt with BBVA and for general corporate purposes.          
Outstanding amount   $ 17,000,000   $ 17,000,000          
Line of Credit Facility, Frequency of Payments       quarterly          
Maturity Date       July 1, 2025          
Long-Term Debt, Percentage Bearing Fixed Interest, Percentage Rate   4.25%   4.25%          
Description of collateral       is secured by assignments of certain receivables.          
Amount drawn down   $ 17,000,000   $ 17,000,000          
Navios Logistics Santander Facility [Member]                  
Debt Instrument [Line Items]                  
Line of credit facility initiation date       March 25, 2022          
Line of Credit Facility, Maximum Borrowing Capacity   5,000,000   $ 5,000,000          
Description of scope, credit facility       for general corporate purposes.          
Outstanding amount   $ 4,711,000   $ 4,711,000          
Number of repayment installments       12          
Line of Credit Facility, Frequency of Payments       quarterly          
Maturity Date       March 7, 2026          
Long-Term Debt, Percentage Bearing Fixed Interest, Percentage Rate   4.20%   4.20%          
Description of collateral       is secured by assignments of certain receivables.          
Navios Logistics other long-term loans and notes payable [Member]                  
Debt Instrument [Line Items]                  
Description of scope, credit facility       to finance the construction of its Dry Port Terminal, the acquisition of vessels, or for general corporate purposes.          
Notes and Loans Payable   $ 58,804,000   $ 58,804,000       $ 58,376,000  
Debt Instrument, Description of Variable Rate Basis       LIBOR or SOFR          
Navios Logistics other long-term loans and notes payable [Member] | Minimum [Member]                  
Debt Instrument [Line Items]                  
Debt Instrument, Basis Spread on Variable Rate       3.15%          
Debt Instrument, Maturity Date, Description       March 2024          
Navios Logistics other long-term loans and notes payable [Member] | Maximum [Member]                  
Debt Instrument [Line Items]                  
Debt Instrument, Basis Spread on Variable Rate       8.50%          
Debt Instrument, Maturity Date, Description       March 2026          
Secured Debt [Member]                  
Debt Instrument [Line Items]                  
Repayments of Secured Debt       $ 39,035,000 $ 79,071,000        
NSM Loans [Member]                  
Debt Instrument [Line Items]                  
Proceeds from Lines of Credit       262,632,000          
Long-term debt [Member]                  
Debt Instrument [Line Items]                  
Proceeds from Lines of Credit       235,725,000          
Sale and Leaseback Agreements [Member]                  
Debt Instrument [Line Items]                  
Proceeds from Lines of Credit       $ 31,000,000