Intangible Assets Other Than Goodwill (Tables)
6 Months Ended
Jun. 30, 2015
INTANGIBLE ASSETS OTHER THAN GOODWILL [Abstract]  
Schedule of intangible assets
 
 
 
 
 
 
 
 
 
  
June 30,
 2015
 
 
December 31,
 2014
Intangible assets      
  
 
 
 
 
 
 
Acquisition Cost (*) 
  
$
344,906
 
 
$
347,241
Accumulated amortization (*)
  
 
(164,457
) 
 
 
(157,749
)
Total Intangible assets net book value
  
 
180,449
 
 
 
189,492
Unfavorable lease terms
  
 
 
 
 
 
 
Acquisition Cost (**)
  
 
(56,420
) 
 
 
(121,028
)
Accumulated amortization
  
 
35,727
 
 
 
98,887
Write offs (**)
 
 
5,937
 
 
 
-
Unfavorable lease terms net book value
  
 
(14,756)
 
 
 
(22,141)
Total Intangibles net book value
  
$
165,693
 
 
$
167,351
 
  
 
 
 
 
 
 
 
(*)
As of June 30, 2015 and December 31, 2014, intangible assets associated with favorable lease terms included an amount of $21,782 related to purchase options for the vessels. During the six months ended June 30, 2015, $2,335 of favorable lease terms was written-off.
(**)
As of June 30, 2015, the intangible liability associated with the unfavorable lease terms included an amount of $5,567 related to current purchase options held by third parties. During the six months ended June 30, 2015, $5,937 of unfavorable lease terms was written-off. During the six months ended June 30, 2015, acquisition cost and accumulated amortization of $64,608, of fully amortized unfavorable lease terms were written off.
Schedule of aggregate amortization expense
 
 
 
 
 
Period
  
 
 
Year One
  
$
16,198
  
Year Two
  
 
16,315
  
Year Three
  
 
7,906
  
Year Four
  
 
5,588
  
Year Five
  
 
5,595
  
Thereafter
  
 
97,876
  
Total
  
$
149,478