Intangible Assets Other Than Goodwill (Table) (Details) - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Total Intangible assets    
Acquired Finite Lived Intangible Assets [Line Items]    
Acquisition cost [1],[2] $ 271,547 $ 271,547
Accumulated amortization [1] (127,069) (121,090)
Net Book Value 144,478 150,457
Unfavorable lease terms    
Acquired Finite Lived Intangible Assets [Line Items]    
Acquisition cost [3] (24,271) (24,721)
Accumulated amortization 17,407 17,195
Write offs 7,314 [3] 0
Net Book Value 0 (7,526)
Total    
Acquired Finite Lived Intangible Assets [Line Items]    
Net Book Value $ 144,478 $ 142,931
[1] As of June 30, 2016 and December 31, 2015, intangible assets associated with favorable lease terms included an amount of $10,575 related to purchase options for the vessels.
[2] As of June 30, 2016, Navios Logistics, had paid $17,000, for the expansion of its dry port terminal in Uruguay.
[3] As of June 30, 2016 and December 31, 2015, the intangible liability associated with the unfavorable lease terms included an amount of $0 and $(467), respectively, related to purchase options held by third parties. During the six months ended June 30, 2016, $7,314 of unfavorable lease terms were written-off. This write-off resulted from the early redelivery of one vessel (See Note 10). During the six months ended June 30, 2016, acquisition cost and accumulated amortization of $17,407, of fully amortized unfavorable lease terms were written-off. As of June 30, 2016 and December 31, 2015, no purchase options held by third parties were exercised.