Transactions with Related Parties (Details Narrative)
3 Months Ended 6 Months Ended 7 Months Ended 8 Months Ended 9 Months Ended 12 Months Ended
Sep. 08, 2022
USD ($)
Jun. 30, 2023
USD ($)
Jun. 30, 2022
USD ($)
Jun. 30, 2023
USD ($)
Jun. 30, 2022
USD ($)
Jul. 30, 2021
USD ($)
Aug. 31, 2022
USD ($)
Aug. 31, 2021
USD ($)
Oct. 01, 2023
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Jan. 31, 2022
USD ($)
Jan. 12, 2021
Related Party Transaction [Line Items]                          
General and Administrative Expense   $ 6,983,000 $ 4,782,000 $ 12,363,000 $ 8,829,000                
Disposal Group, Including Discontinued Operation, General and Administrative Expense   (0) 4,607,000 (0) 7,126,000                
Other Liabilities, Current   2,304,000   2,304,000           $ 1,642,000      
Convertible Debt, Noncurrent   121,202,000   121,202,000           118,833,000      
Convertible Notes Payable, Noncurrent   121,202,000   121,202,000           $ 118,833,000      
Payments to Noncontrolling Interests       10,000,000 (0)                
Office Spaces [Member]                          
Related Party Transaction [Line Items]                          
[custom:LesseeFinanceLeaseTermOfContract]                 five years        
Interest and Fee Income, Loans, Lease Financing                 $ 35,600        
Convertible Debenture [Member]                          
Related Party Transaction [Line Items]                          
Debt Instrument, Interest Rate, Stated Percentage                     0.04%   0.04%
Convertible Debt, Noncurrent   121,202,000   $ 121,202,000                  
Convertible Debt                     $ 24,000,000    
Debt Instrument, Payment Terms                   The agreements also provide for prepayment premiums ranging from 5%-10% during the first 36 months of the term which is payable in the form of Convertible Debenture      
Debt Instrument, Convertible, Terms of Conversion Feature                     five years    
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, 2023, Navios Holdings had not exercised any part of that option                  
Fifth year lease interest rate [Member] | Office Spaces [Member]                          
Related Party Transaction [Line Items]                          
Lessee, Operating Lease, Discount Rate                 5.00%        
For the first four years lease interest rate [Member] | Office Spaces [Member]                          
Related Party Transaction [Line Items]                          
Lessee, Operating Lease, Discount Rate                 3.00%        
NSM Loan I [Member]                          
Related Party Transaction [Line Items]                          
Initiation date       December 2021                  
Line of Credit Facility, Maximum Borrowing Capacity   $ 127,632,000   $ 127,632,000                  
Number of loan tranches   2   2                  
Line of Credit Facility, Frequency of Payments       quarterly                  
Line of Credit Facility, Periodic Payment       $ 5,000,000                  
Line of Credit Facility, Expiration Period       4 years                  
NSM Loan I [Member] | Convertible Debenture [Member]                          
Related Party Transaction [Line Items]                          
Debt Instrument, Interest Rate, Stated Percentage   18.00%   18.00%                  
Convertible Debt, Noncurrent   $ 14,853,000   $ 14,853,000                  
NSM Loan I [Member] | Tranche A [Member]                          
Related Party Transaction [Line Items]                          
Line of Credit Facility, Maximum Borrowing Capacity   48,573,000   48,573,000                  
NSM Loan I [Member] | Tranche B [Member]                          
Related Party Transaction [Line Items]                          
Line of Credit 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]                          
Debt Instrument, Interest Rate, Stated Percentage   1800.00%   1800.00%                  
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]                          
Initiation date       December 2021                  
Line of Credit Facility, Maximum Borrowing Capacity   $ 135,000,000   $ 135,000,000                  
Number of loan tranches   2   2                  
Line of Credit Facility, Frequency of Payments       quarterly                  
Line of Credit Facility, Periodic Payment       $ 5,000,000                  
Line of Credit Facility, Expiration Period       4 years                  
NSM Loan II [Member] | Convertible Debenture [Member]                          
Related Party Transaction [Line Items]                          
Convertible Notes Payable, Noncurrent   $ 15,759,000   $ 15,759,000                  
Convertible conversion ratio       18.00%                  
NSM Loan II [Member] | Tranche A [Member]                          
Related Party Transaction [Line Items]                          
Line of Credit Facility, Maximum Borrowing Capacity   64,059,000   $ 64,059,000                  
NSM Loan II [Member] | Tranche B [Member]                          
Related Party Transaction [Line Items]                          
Line of Credit 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 Debt                       $ 24,000,000  
NSM [Member] | Management Agreement [Member] | Automatic Extension [Member]                          
Related Party Transaction [Line Items]                          
Duration of management fees agreement   5 years   5 years                  
NSM [Member]                          
Related Party Transaction [Line Items]                          
Other Liabilities, Current   $ 2,304,000   $ 2,304,000           $ 1,642,000      
NSM [Member] | Management Agreement [Member]                          
Related Party Transaction [Line Items]                          
Management Agreement Initiation Date       August 29, 2019                  
Duration of management fees agreement   5 years   5 years                  
Rate of annual increase in management fees $ 3,900           $ 3,800 $ 3,700          
Termination date of agreement       August 29, 2024                  
Related Party Transaction, Amounts of Transaction   $ 0 8,697,000 $ 0 17,297,000                
NSM [Member] | Management Agreement [Member] | Chartered-in vessels [Member]                          
Related Party Transaction [Line Items]                          
Rate of annual increase in management fees         30.00                
NSM [Member] | Management Agreement [Member] | Covid-19 Measures [Member]                          
Related Party Transaction [Line Items]                          
Other Expenses     550,000   1,656,000                
NSM [Member] | Administrative Services Agreement [Member]                          
Related Party Transaction [Line Items]                          
Duration of management fees agreement   5 years   5 years                  
Termination date of agreement       August 29, 2024                  
Adrninistrative Services Agreement Initiation Date       August 29, 2019                  
General and Administrative Expense   $ 135,000 1,932,000 $ 270,000 3,843,000                
Disposal Group, Including Discontinued Operation, General and Administrative Expense   0 1,797,000 0 3,573,000                
NSM [Member] | Administrative Services Agreement [Member] | Navios Logistics [Member]                          
Related Party Transaction [Line Items]                          
General and Administrative Expense   $ 728,000 $ 286,000 $ 1,455,000 $ 572,000                
NSM [Member] | Administrative Services Agreement [Member] | Automatic Extension [Member]                          
Related Party Transaction [Line Items]                          
Duration of management fees agreement   5 years   5 years                  
Navios Logistics [Member] | Grimaud [Member] | Promissory Note [Member]                          
Related Party Transaction [Line Items]                          
Origination of Notes Receivable from Related Parties       $ 0   $ 20,000,000              
Payments to Noncontrolling Interests       $ 10,000,000