Loss Per Common Share (Tables)
6 Months Ended
Jun. 30, 2015
LOSS PER COMMON SHARE [Abstract]  
Loss per share, basic and diluted
 
  
Three Month
 
 
Three Month
 
 
Six Month
 
 
Six Month
 
 
  
Period Ended
 
 
Period Ended
 
 
Period Ended
 
 
Period Ended
 
 
  
June 30, 2015
 
 
June 30, 2014
 
 
June 30, 2015
 
 
June 30, 2014
 
Numerator:
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Net loss attributable to Navios Holdings common stockholders
  
$
(24,813
)
 
$
(36,680
)
 
$
(51,491
)
 
$
(34,627
)
Less:
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Dividend on Preferred Stock and on unvested restricted shares
  
 
(4,093
)
 
 
(1,573
)
 
 
(8,166
)
 
 
(2,800
)
Loss available to Navios Holdings common stockholders, basic
  
$
(28,906
)
 
$
(38,253
)
 
$
(59,657
)
 
$
(37,427
)
Loss available to Navios Holdings common stockholders,
diluted
  
$
(28,906
)
 
$
(38,253
)
 
$
(59,657
)
 
$
(37,427
)
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Denominator:
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Denominator for basic net loss per share attributable to Navios
Holdings common stockholders — weighted average shares
  
 
105,401,820
 
 
 
102,947,944
 
 
 
105,251,590
 
 
 
102,718,368
 
Denominator for diluted net loss per share attributable to
Navios Holdings common stockholders — adjusted weighted average shares and assumed conversions
  
 
105,401,820
 
 
 
102,947,944
 
 
 
105,251,590
 
 
 
102,718,368
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Basic net losses per share attributable to Navios Holdings
common stockholders
  
$
(0.27
)
 
$
(0.37
)
 
$
(0.57
)
 
$
(0.36
)
Diluted net losses per share attributable to Navios Holdings
common stockholders
  
$
(0.27
)
 
$
(0.37
)
 
$
(0.57
)
 
$
(0.36
)