Transactions with Related Parties (Details Narrative)
3 Months Ended 6 Months Ended 7 Months Ended 8 Months Ended 11 Months Ended 12 Months Ended
Sep. 08, 2022
USD ($)
Jun. 30, 2022
USD ($)
$ / shares
shares
Jun. 30, 2021
USD ($)
Mar. 31, 2021
USD ($)
Jun. 30, 2022
USD ($)
$ / shares
shares
Jul. 13, 2021
USD ($)
shares
Jun. 30, 2021
USD ($)
Aug. 15, 2022
USD ($)
Jul. 26, 2022
USD ($)
Jul. 31, 2021
USD ($)
Jul. 30, 2021
USD ($)
Aug. 31, 2022
USD ($)
Aug. 31, 2021
USD ($)
Dec. 02, 2019
USD ($)
Dec. 31, 2021
USD ($)
shares
Dec. 31, 2020
USD ($)
Sep. 13, 2022
shares
Jan. 03, 2022
shares
Jul. 12, 2021
USD ($)
Related Party Transaction [Line Items]                                      
Direct Operating Costs   $ 30,040,000 $ 29,232,000   $ 58,502,000   $ 55,147,000                        
General and Administrative Expense   9,340,000 8,544,000   15,905,000   15,363,000                        
Due to Affiliate, Current   45,095,000     45,095,000                   $ 21,028,000        
Proceeds from Sale of Property, Plant, and Equipment         0   137,016,000                        
Repayments of Debt         77,704,000                            
Long-Term Debt, Gross   1,291,431,000     1,291,431,000                   1,405,814,000        
Convertible Debenture, outstanding balance   47,637,000     47,637,000                   $ 0        
Nonoperating, other finance cost   $ 0 0   $ (24,000,000)   $ 0                        
Common Stock, Shares, Outstanding | shares   25,238,591     25,238,591                   25,198,620        
Convertible Debenture [Member]                                      
Related Party Transaction [Line Items]                                      
Convertible Debenture, outstanding balance   $ 47,637,000     $ 47,637,000                            
Convertible conversion ratio                             4.00%        
Number of trading days         36                            
Nonoperating, other finance cost                             $ 24,000,000        
Debt Instrument, Convertible, Terms of Conversion Feature                             five years        
Convertible Debenture [Member] | Minimum [Member]                                      
Related Party Transaction [Line Items]                                      
Convertible conversion ratio         5.00%                            
Convertible Debenture [Member] | Maximum [Member]                                      
Related Party Transaction [Line Items]                                      
Convertible conversion ratio         10.00%                            
Common Stock [Member]                                      
Related Party Transaction [Line Items]                                      
Common Stock, Shares, Outstanding | shares   25,238,591     25,238,591                   25,198,620        
Series I Preferred Stock [Member] | Convertible Debenture [Member]                                      
Related Party Transaction [Line Items]                                      
Convertible Preferred Stock, Shares Issued upon Conversion | shares                                   1,000  
Common Stock, Shares, Outstanding | shares   9,133,147     9,133,147                       29,754,721    
Debt Instrument, Convertible, Conversion Price | $ / shares   $ 3.93     $ 3.93                            
Grimaud Loan [Member]                                      
Related Party Transaction [Line Items]                                      
Line of credit facility initiation date         April 25, 2019                            
Revolving loan facility maximum borrowing capacity   $ 50,000,000     $ 50,000,000                            
Description of scope, credit facility         to be used for general corporate purposes, including the repurchase of 2022 Notes.                            
Description of collateral         This credit facility was secured by any 2022 Notes purchased by Navios Holdings with these funds.                            
Line Credit Facility Arrangement Fees         $ 500,000                            
Line of Credit Facility, Increase (Decrease), Net                           $ 20,000,000          
Line of Credit Facility, Interest Rate at Period End   10.00%     10.00%                            
Maturity date         December 2024                            
Amended Grimaud Loan [Member]                                      
Related Party Transaction [Line Items]                                      
Line of Credit Facility, Interest Rate at Period End   13.00%     13.00%                            
Supplemental Grimaud Loan [Member]                                      
Related Party Transaction [Line Items]                                      
Line of credit facility initiation date         June 30, 2021                            
Prepayments of debt           $ 7,500,000                          
Supplemental Grimaud Loan [Member] | Common Stock [Member]                                      
Related Party Transaction [Line Items]                                      
Stock Issued During Period, Shares, Treasury Stock Reissued | shares           9,301,542                          
Midstream General Partner Option Agreement [Member]                                      
Related Party Transaction [Line Items]                                      
Business Acquisition, Equity Interest Issued or Issuable, Description         Navios Holdings entered into an option agreement, with Navios Acquisition under which Navios Acquisition, which owns and controls Navios Maritime Midstream Partners GP LLC (“Midstream General Partner”), granted Navios Holdings the option to acquire a minimum of 25% of the outstanding membership interests in Midstream General Partner and the incentive distribution rights in Navios Midstream representing the right to receive an increasing percentage of the quarterly distributions when certain conditions are met. The option shall expire on November 18, 2024. The purchase price for the acquisition for all or part of the option interest shall be an amount equal to its fair market value. As of June 30, 2022, Navios Holdings had not exercised any part of that option.                            
Navios Centaurus [Member]                                      
Related Party Transaction [Line Items]                                      
Year built       2012                              
Vessel type       Panamax                              
Vessel Capacity       81,472                              
Navios Avior [Member]                                      
Related Party Transaction [Line Items]                                      
Year built       2012                              
Vessel type       Panamax                              
Vessel Capacity       81,355                              
Navios Centaurus and Navios Avior [Member]                                      
Related Party Transaction [Line Items]                                      
Sale price       $ 39,250,000                              
Navios Ray [Member]                                      
Related Party Transaction [Line Items]                                      
Year built             2012                        
Vessel type             Capesize                        
Vessel Capacity             179,515                        
Navios Bonavis [Member]                                      
Related Party Transaction [Line Items]                                      
Year built             2009                        
Vessel type             Capesize                        
Vessel Capacity             180,022                        
Navios Ray And Navios Bonavis [Member]                                      
Related Party Transaction [Line Items]                                      
Sale price     58,000,000       $ 58,000,000                        
Navios Koyo [Member]                                      
Related Party Transaction [Line Items]                                      
Year built             2011                        
Vessel type             Capesize                        
Sale price     28,500,000       $ 28,500,000                        
Proceeds from Sale of Property, Plant, and Equipment             8,500,000                        
Navios Azimuth [Member]                                      
Related Party Transaction [Line Items]                                      
Year built                   2011                  
Vessel type                   Capesize                  
Vessel Capacity                   179,169                  
Sale price                   $ 30,000,000                  
Navios Partners Guarantee [Member]                                      
Related Party Transaction [Line Items]                                      
Guarantee Initiation Date         November 2012                            
Repayment date         April 2021                            
Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid         $ 5,000,000                            
First Year [Member] | Grimaud Loan [Member]                                      
Related Party Transaction [Line Items]                                      
Line of Credit Facility, Interest Rate During Period         12.75%                            
Second Year [Member] | Grimaud Loan [Member]                                      
Related Party Transaction [Line Items]                                      
Line of Credit Facility, Interest Rate During Period         14.75%                            
NSM Loan [Member]                                      
Related Party Transaction [Line Items]                                      
Revolving loan facility maximum borrowing capacity   $ 141,795,000     $ 141,795,000                            
Debt Instrument, Issuance Date         Aug. 29, 2019                            
Description of the facility's collateral         The Company’s obligations under the NSM Loan were guaranteed by substantially the same subsidiaries that guaranteed the 2022 Notes and secured by assets of the Company that did not secure the 2022 Notes or the 2022 Senior Secured Notes.                            
Repayments of Debt                               $ 47,000,000      
Repayment frequency         quarterly                            
Line of Credit Facility, Frequency of Payment and Payment Terms         In certain cases, principal payments could be deferred provided that no more than $20,000 of deferral may be outstanding during the first or second year and $10,000 outstanding in the third year.                            
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate   5.00%     5.00%                            
Interest rate for deferred principal amounts   7.00%     7.00%                            
Line of Credit Facility, Expiration Period         5 years                            
Limited Partners' Capital Account, Units Outstanding | shares   2,072,121     2,072,121                            
$50.0 million NSM Loan [Member]                                      
Related Party Transaction [Line Items]                                      
Line of credit facility initiation date         June 2020                            
Revolving loan facility maximum borrowing capacity   $ 50,000,000     $ 50,000,000                            
Description of scope, credit facility         to be used for general corporate purposes                            
Repayment frequency         quarterly                            
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate   5.00%     5.00%                            
Interest rate for deferred principal amounts   7.00%     7.00%                            
Number of repayment installments         18                            
Long-Term Debt, Gross                                     $ 39,735,000
$115.0 million NSM Loan [Member]                                      
Related Party Transaction [Line Items]                                      
Line of credit facility initiation date         June 2021                            
Revolving loan facility maximum borrowing capacity   $ 115,000,000     $ 115,000,000                            
Description of scope, credit facility         to refinance $39,736 being the outstanding balance under the $50.0 million NSM Loan described above (“Tranche A”), (ii) to redeem amount of $70,000 of 2022 Senior Secured Notes and (iii) to be used for general corporate purposes (“Tranche B”) (the “$115.0 million NSM Loan”).                            
Amount drawn down   115,000,000     $ 115,000,000                            
Drawn down date         July 12, 2021                            
Debt Issuance Costs, Net   $ 875,000     $ 875,000                            
$115.0 million NSM Loan [Member] | Tranche A [Member]                                      
Related Party Transaction [Line Items]                                      
Maturity date         November 30, 2024                            
Number of repayment installments         14                            
Line of Credit Facility, Frequency of Payments         quarterly                            
Line of Credit Facility, Periodic Payment         $ 2,838,000                            
$115.0 million NSM Loan [Member] | Tranche B [Member]                                      
Related Party Transaction [Line Items]                                      
Maturity date         February 28, 2023                            
Number of repayment installments         7                            
Line of Credit Facility, Frequency of Payments         quarterly                            
$115.0 million NSM Loan [Member] | Tranche A and B [Member]                                      
Related Party Transaction [Line Items]                                      
Line of Credit Facility, Frequency of Payments         quarterly                            
Debt Instrument, Interest Rate, Stated Percentage   10.50%     10.50%                            
$115.0 million NSM Loan [Member] | First Two Installments [Member] | Tranche B [Member]                                      
Related Party Transaction [Line Items]                                      
Line of Credit Facility, Periodic Payment         $ 22,632,000                            
$115.0 million NSM Loan [Member] | Remaining Installments [Member] | Tranche B [Member]                                      
Related Party Transaction [Line Items]                                      
Line of Credit Facility, Periodic Payment         $ 6,000,000                            
$115.0 million NSM Loan [Member] | Payment Deferral [Member]                                      
Related Party Transaction [Line Items]                                      
Debt Instrument, Interest Rate, Stated Percentage   12.00%     12.00%                            
Debt instrument, maximum deferred discount amortization period         90 days                            
NSM Loan I [Member]                                      
Related Party Transaction [Line Items]                                      
Line of credit facility initiation date         December 2021                            
Revolving loan facility maximum borrowing capacity   $ 127,632,000     $ 127,632,000                            
Description of the facility's collateral         The Company’s obligations under the NSM Loan I were guaranteed by 2,072,121 common units in Navios Partners.                            
Line of Credit Facility, Expiration Period         4 years                            
Limited Partners' Capital Account, Units Outstanding | shares   2,072,121     2,072,121                            
Long-Term Debt, Gross   $ 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]                                      
Related Party Transaction [Line Items]                                      
Convertible Debenture, outstanding balance   $ 11,204,000     $ 11,204,000                            
Convertible conversion ratio         18.00%                            
NSM Loan I [Member] | Tranche A [Member]                                      
Related Party Transaction [Line Items]                                      
Revolving loan facility maximum borrowing capacity   48,573,000     $ 48,573,000                            
NSM Loan I [Member] | Tranche B [Member]                                      
Related Party Transaction [Line Items]                                      
Revolving loan facility maximum borrowing capacity   79,059,000     $ 79,059,000                            
NSM Loan I [Member] | Until the 2022 Senior Secured Notes are repaid [Member]                                      
Related Party Transaction [Line Items]                                      
Line of Credit Facility, Interest Rate Description         18%                            
NSM Loan I [Member] | When paid in form of Convertible Debenture for the first 18 months [Member]                                      
Related Party Transaction [Line Items]                                      
Line of Credit Facility, Interest Rate Description         16.5%                            
NSM Loan I [Member] | When paid in form of cash [Member]                                      
Related Party Transaction [Line Items]                                      
Line of Credit Facility, Interest Rate Description         13.5%                            
NSM Loan II [Member]                                      
Related Party Transaction [Line Items]                                      
Line of credit facility initiation date         December 2021                            
Revolving loan facility maximum borrowing capacity   135,000,000     $ 135,000,000                            
Line of Credit Facility, Expiration Period         4 years                            
Long-Term Debt, Gross   $ 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]                                      
Related Party Transaction [Line Items]                                      
Convertible Debenture, outstanding balance   $ 11,850,000     $ 11,850,000                            
Convertible conversion ratio         18.00%                            
NSM Loan II [Member] | Tranche A [Member]                                      
Related Party Transaction [Line Items]                                      
Revolving loan facility maximum borrowing capacity   64,059,000     $ 64,059,000                            
NSM Loan II [Member] | Tranche B [Member]                                      
Related Party Transaction [Line Items]                                      
Revolving loan facility maximum borrowing capacity   70,941,000     $ 70,941,000                            
NSM Loan II [Member] | Until the 2022 Senior Secured Notes are repaid [Member]                                      
Related Party Transaction [Line Items]                                      
Line of Credit Facility, Interest Rate Description         18%                            
NSM Loan II [Member] | When paid in form of cash [Member]                                      
Related Party Transaction [Line Items]                                      
Line of Credit Facility, Interest Rate Description         13.5%                            
NSM Loan II [Member] | When paid in PIK Interest [Member]                                      
Related Party Transaction [Line Items]                                      
Line of Credit Facility, Interest Rate Description         16.5%                            
NSM Loan I & II [Member] | Convertible Debenture [Member]                                      
Related Party Transaction [Line Items]                                      
Convertible conversion ratio         18.00%                            
Prepayment fee         $ 61,730,000                            
Four Percent PIK [Member] | Convertible Debenture [Member]                                      
Related Party Transaction [Line Items]                                      
Convertible Debenture, outstanding balance   $ 583,000     $ 583,000                            
Convertible conversion ratio         4.00%                            
NSM [Member] | Management Agreement [Member]                                      
Related Party Transaction [Line Items]                                      
Ratio of management services fee $ 3,900                     $ 3,800 $ 3,700            
NSM [Member] | Management Agreement [Member] | Automatic Extension [Member]                                      
Related Party Transaction [Line Items]                                      
Duration of management fees agreement   five years     five years                            
Navios Partners [Member]                                      
Related Party Transaction [Line Items]                                      
Number of vessels to be sold                 36                    
Proceeds from Sale of Property, Plant, and Equipment                 $ 835,000,000                    
Navios Partners [Member] | Tranche A [Member]                                      
Related Party Transaction [Line Items]                                      
Number of vessels to be sold                 15                    
Navios Partners [Member] | Tranche B [Member]                                      
Related Party Transaction [Line Items]                                      
Number of vessels to be sold                 21                    
Navios Partners [Member] | NSM Loan [Member]                                      
Related Party Transaction [Line Items]                                      
Repayments of Debt                 $ 262,632,000                    
Navios Partners [Member] | NSM Loan I & II [Member]                                      
Related Party Transaction [Line Items]                                      
Repayments of Debt                 $ 262,632,000                    
Navios Partners [Member] | $50.0 million NSM Loan [Member] | First Priority Mortgage [Member]                                      
Related Party Transaction [Line Items]                                      
Description of the facility's collateral         The Company’s obligations under the $50.0 million NSM Loan were guaranteed by first priority security interests in a vessel, as well as pledge of certain 2022 Notes due 2022 owned by Navios Holdings and 40,587 common units in Navios Partners.                            
Limited Partners' Capital Account, Units Outstanding | shares   40,587     40,587                            
Navios Partners [Member] | $115.0 million NSM Loan [Member] | First Priority Mortgage [Member]                                      
Related Party Transaction [Line Items]                                      
Description of the facility's collateral         The Company’s obligations under the $115.0 million NSM Loan were guaranteed by first priority security interests in a vessel, as well as pledge of certain 2022 Notes owned by Navios Holdings and 40,587 common units in Navios Partners and a second priority pledge in the Navios Logistics’ shares, 1,070,491 common units in Navios Partners and second priority pledge over the collateral securing the NSM Loan.                            
Limited Partners' Capital Account, Units Outstanding | shares   40,587     40,587                            
Navios Partners [Member] | $115.0 million NSM Loan [Member] | Second Priority Mortgage [Member]                                      
Related Party Transaction [Line Items]                                      
Limited Partners' Capital Account, Units Outstanding | shares   1,070,491     1,070,491                            
Navios Partners [Member] | NSM Loan II [Member] | First Priority Mortgage [Member]                                      
Related Party Transaction [Line Items]                                      
Description of the facility's collateral         The Company’s obligations under the NSM Loan II were guaranteed by 40,587 common units in Navios Partners, a second priority pledge in the Navios Logistics’ shares, 1,070,491 common units in Navios Partners, and a second priority pledge over the collateral securing the NSM Loan I.                            
Limited Partners' Capital Account, Units Outstanding | shares   40,587     40,587                            
Navios Partners [Member] | NSM Loan II [Member] | Second Priority Mortgage [Member]                                      
Related Party Transaction [Line Items]                                      
Limited Partners' Capital Account, Units Outstanding | shares   1,070,491     1,070,491                            
NSM [Member]                                      
Related Party Transaction [Line Items]                                      
Due to Affiliate, Current   $ 45,095,000     $ 45,095,000                   $ 21,028,000        
NSM [Member] | Management Agreement [Member]                                      
Related Party Transaction [Line Items]                                      
Management Agreement Initiation Date         August 29, 2019                            
Duration of management fees agreement   five years     five years                            
Termination date of agreement         August 29, 2024                            
Management Fee Expense   $ 8,697,000 9,794,000   $ 17,297,000   20,365,000                        
Direct Operating Costs   $ 550,000 169,000   1,656,000   171,000                        
NSM [Member] | Management Agreement [Member] | Chartered-in vessels [Member]                                      
Related Party Transaction [Line Items]                                      
Ratio of management services fee         $ 30.00                            
NSM [Member] | Administrative Services Agreement [Member]                                      
Related Party Transaction [Line Items]                                      
Termination date of agreement         August 29, 2024                            
Adrninistrative Services Agreement Initiation Date         August 29, 2019                            
Duration of administrative services agreement   five years     five years                            
General and Administrative Expense   $ 1,932,000 2,168,000   $ 3,843,000   4,508,000                        
NSM [Member] | Administrative Services Agreement [Member] | Navios Logistics [Member]                                      
Related Party Transaction [Line Items]                                      
General and Administrative Expense   $ 286,000 $ 286,000   $ 572,000   $ 572,000                        
NSM [Member] | Administrative Services Agreement [Member] | Automatic Extension [Member]                                      
Related Party Transaction [Line Items]                                      
Duration of administrative services agreement   five years     five years                            
Navios Logistics [Member] | Grimaud [Member] | Promissory Note [Member]                                      
Related Party Transaction [Line Items]                                      
Number of repayment installments                     4                
Line of Credit Facility, Frequency of Payments                     semi-annual                
Origination of Notes Receivable from Related Parties                     $ 20,000,000                
Repayment of Notes Receivable from Related Parties               $ 10,000,000