Description of Business (Details)
12 Months Ended
Dec. 31, 2019
Subsidiary or Equity Method Investee [Line Items]  
Trading Symbol NM
Navios Logistics  
Subsidiary or Equity Method Investee [Line Items]  
Ownership percentage of Navios Holdings 63.80%
Navios Partners  
Subsidiary or Equity Method Investee [Line Items]  
Trading Symbol NMM
Ownership percentage of Navios Holdings 18.50%
Navios Acquisition  
Subsidiary or Equity Method Investee [Line Items]  
Trading Symbol NNA
Percentage of voting stock of Navios Holdings in Navios Acquisition 30.60%
Ownership percentage of Navios Holdings 31.00%
Navios Containers  
Subsidiary or Equity Method Investee [Line Items]  
Trading Symbol NMCI
Ownership percentage of Navios Holdings 3.70%
Navios Containers  
Subsidiary or Equity Method Investee [Line Items]  
Date of conversion into a limited partnership Nov. 30, 2018
Navios Containers | Minimum  
Subsidiary or Equity Method Investee [Line Items]  
Percentage of outstanding common units holders’ vote required to remove the general partner 75.00%