(Loss)/ Earnings Per Common Share (Table) (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Numerator:        
Net loss attributable to Navios Holdings common stockholders $ (35,271) $ (36,431) $ (88,546) $ (41,735)
Declared and undeclared dividend on preferred stock and on unvested restricted shares (1,284) (1,957) (2,578) (4,506)
Tender Offer – Redemption of preferred stock Series G and Series H including $7,714 and $15,392 of undeclared preferred dividend cancelled for three and six month periods ended June 30, 2019, respectively 0 20,241 0 44,284
Gain from eliminated dividends (preferred stock) due to conversion 0 0 166 0
Loss available to Navios Holdings common stockholders, basic and diluted $ (36,555) $ (18,147) $ (90,958) $ (1,957)
Denominator:        
Denominator for basic and diluted loss per share attributable to Navios Holdings common stockholders — weighted average shares 12,901,880 12,219,750 12,882,235 12,219,817
Basic and diluted loss per share attributable to Navios Holdings common stockholders $ (2.83) $ (1.49) $ (7.06) $ (0.16)