Loss Per Common Share (Table) (Details) - USD ($) $ / shares in Units, $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| Numerator: | |||
| Net loss attributable to Navios Holdings common stockholders | $ (268,718) | $ (165,910) | $ (303,823) |
| Declared and undeclared dividend on preferred stock and on unvested restricted shares | (10,241) | (10,421) | (15,909) |
| 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 | 0 | 1,033 | 46,627 |
| Loss attributable to Navios Holdings common stockholders, basic and diluted | $ (278,959) | $ (175,298) | $ (273,105) |
| Denominator: | |||
| Denominator for basic and diluted net loss per share attributable to Navios Holdings common stockholders - adjusted weighted shares | 11,958,959 | 11,667,346 | 10,736,678 |
| Basic and diluted net loss per share attributable to Navios Holdings stockholders | $ (23.33) | $ (15.02) | $ (25.44) |