Intangible Assets/Liabilities Other Than Goodwill (Table) (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Trade name    
Acquired Finite Lived Intangible Assets [Line Items]    
Acquisition Cost $ 90,000 [1] $ 100,420
Accumulated Amortization (40,357) [1] (47,966)
Net Book Value 49,643 [1] 52,454
Port terminal operating rights    
Acquired Finite Lived Intangible Assets [Line Items]    
Acquisition Cost 53,152 53,152
Accumulated Amortization (12,837) (11,838)
Net Book Value 40,315 41,314
Customer relationships    
Acquired Finite Lived Intangible Assets [Line Items]    
Acquisition Cost 35,490 35,490
Accumulated Amortization (21,294) (19,520)
Net Book Value 14,196 15,970
Favorable lease terms    
Acquired Finite Lived Intangible Assets [Line Items]    
Acquisition Cost 31,342 32,492 [2]
Accumulated Amortization (16,855) (2,143) [2]
Transfer/ Write off 0 (1,150) [2]
Net Book Value 14,487 29,199 [2]
Navios Containers deconsolidation    
Acquired Finite Lived Intangible Assets [Line Items]    
Acquisition Cost (31,342)  
Accumulated Amortization 16,855  
Net Book Value (14,487)  
Total Intangible assets    
Acquired Finite Lived Intangible Assets [Line Items]    
Acquisition Cost 178,642 221,554
Accumulated Amortization (74,488) (81,467)
Transfer/ Write off 0 (1,150)
Net Book Value $ 104,154 $ 138,937
[1] The decrease in cost basis and accumulated amortization includes $10,420 write off relating to Navios Logistics’ trade name which was fully amortized.
[2] During the year ended December 31, 2018, acquisition costs of $1,150 of favorable lease terms were capitalized as part of the cost of one vessel due to the exercise of the purchase option (See also Note 2(n)). As of December 31, 2018, intangible assets associated with the favorable lease terms included an amount of $31,342 associated with the favorable lease terms of certain charter out contracts of Navios Containers which were recognized as of November 30, 2018 (see Note 3). During the year ended December 31, 2017, acquisition costs of $10,398 and accumulated amortization of $7,001 of favorable lease terms were considered impaired and were written off resulting in a loss of $3,397 included in the statement of comprehensive (loss)/income within the caption of “Impairment loss/ loss on sale of vessels, net”.