Loss Per Common Share (Table) (Details) - USD ($) $ / shares in Units, $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Numerator: | |||
| Net loss attributable to Navios Holdings common stockholders | $ (165,910) | $ (303,823) | $ (134,112) |
| Declared and undeclared dividend on preferred stock and on unvested restricted shares | (10,421) | (15,909) | (16,202) |
| Tender Offer - Redemption of preferred stock Series G and H including $972 and $5,063 of undeclared preferred dividend cancelled for the year ended December 31, 2017 and December 31, 2016, respectively | 1,033 | 46,627 | 0 |
| Loss available to Navios Holdings common stockholders, basic and diluted | $ (175,298) | $ (273,105) | $ (150,314) |
| Denominator: | |||
| Denominator for basic and diluted net loss per share attributable to Navios Holdings stockholders - adjusted weighted shares | 166,673,459 | 107,366,783 | 105,896,235 |
| Basic and diluted net loss per share attributable to Navios Holdings stockholders | $ (1.5) | $ (2.54) | $ (1.42) |