Loss Per Common Share (Tables)
12 Months Ended
Dec. 31, 2016
(LOSS)/EARNINGS PER COMMON SHARE [Abstract]  
(Loss)/Earnings per share, basic and diluted
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
Year ended
 December 31,
 2016
 
 
Year ended
 December 31,
 2015
 
 
Year ended
 December 31,
 2014
 
Numerator:
  
 
 
 
 
 
 
 
 
 
 
 
Net loss attributable to Navios Holdings common stockholders
  
$
(303,823
)
 
$
(134,112
)
 
$
(56,203
Declared and undeclared dividend on preferred stock and on unvested restricted shares
  
 
(15,909
)
 
 
(16,202
)
 
 
(10,773
Tender Offer - Redemption of preferred stock Series G and H including $5,063 of undeclared preferred dividend cancelled
 
 
46,627
 
 
 
 
 
 
 
Loss available to Navios Holdings common stockholders, basic and diluted
  
$
(273,105
)
 
$
(150,314
)
 
$
(66,976
 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Denominator:
  
 
 
 
 
 
 
 
 
 
 
 
Denominator for basic and diluted net loss per share attributable to Navios Holdings stockholders — adjusted weighted shares
  
 
107,366,783
 
 
 
105,896,235
  
 
 
103,476,614
  
Basic and diluted net loss per share attributable to Navios Holdings stockholders
  
$
(2.54
)
 
$
(1.42
 
$
(0.65