Other Financial Information - Statement of Comprehensive (loss)/income(Table) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Condensed Financial Statements Captions [Line Items]        
Revenue $ 105,733 $ 119,839 $ 207,220 $ 238,119
Administrative fee revenue from affiliates 5,463 3,882 10,945 7,804
Time charter, voyage and logistics business expenses (36,095) (57,856) (82,476) (127,790)
Direct vessel expenses (34,685) (35,748) (64,759) (66,565)
General and administrative expenses incurred on behalf of affiliates (5,463) (3,882) (10,945) (7,804)
General and administrative expenses (6,392) (8,668) (12,830) (15,479)
Depreciation and amortization (27,132) (27,479) (46,959) (48,684)
Loss before equity in net earnings of affiliated companies (27,799) (41,071) (45,118) (81,510)
Equity in net earnings of affiliated companies 3,424 17,968 16,376 31,880
Loss before taxes (24,375) (23,103) (28,742) (49,630)
Income tax (expense)/benefit 621 1,695 (424) 1,843
Net loss (23,754) (21,408) (29,166) (47,787)
Less: Net income attributable to the noncontrolling interest (2,662) (3,405) (4,715) (3,704)
Net loss attributable to Navios Holdings common stockholders (26,416) (24,813) (33,881) (51,491)
Other Comprehensive income/(loss)        
Unrealized holding gain/(loss) on investments in available-for-sale securities 495 (213) 100 (491)
Reclassification to earnings 345 0 345 0
Total other comprehensive income/(loss) 840 (213) 445 (491)
Total comprehensive loss (22,914) (21,621) (28,721) (48,278)
Comprehensive income attributable to the noncontrolling interest (2,662) (3,405) (4,715) (3,704)
Total comprehensive loss attributable to Navios Holdings common stockholders (25,576) (25,026) (33,436) (51,982)
Navios Maritime Holdings Inc. Issuer        
Condensed Financial Statements Captions [Line Items]        
General and administrative expenses (1,777) (1,096) (3,134) (2,214)
Depreciation and amortization (701) (701) (1,443) (1,394)
Interest expense and finance cost, net (19,170) (19,674) (38,990) (39,384)
Other income/(expense), net 12 (126) 60 (67)
Loss before equity in net earnings of affiliated companies (21,636) (21,597) (43,507) (43,059)
(Loss)/income from subsidiaries (7,695) (19,205) (5,389) (36,504)
Equity in net earnings of affiliated companies 2,917 15,989 15,016 28,072
Loss before taxes (26,414) (24,813) (33,880) (51,491)
Net loss (26,414) (24,813) (33,880) (51,491)
Net loss attributable to Navios Holdings common stockholders (26,414) (24,813) (33,880) (51,491)
Other Comprehensive income/(loss)        
Unrealized holding gain/(loss) on investments in available-for-sale securities 495 (213) 100 (491)
Reclassification to earnings 345   345 0
Total other comprehensive income/(loss) 840 (213) 445 (491)
Total comprehensive loss (25,574) (25,026) (33,435) (51,982)
Total comprehensive loss attributable to Navios Holdings common stockholders (25,574) (25,026) (33,435) (51,982)
Guarantor Subsidiaries        
Condensed Financial Statements Captions [Line Items]        
Revenue 46,991 53,583 93,259 106,801
Administrative fee revenue from affiliates 5,463 3,882 10,945 7,804
Time charter, voyage and logistics business expenses (23,176) (42,796) (55,020) (85,731)
Direct vessel expenses (13,302) (12,888) (26,677) (25,610)
General and administrative expenses incurred on behalf of affiliates (5,463) (3,882) (10,945) (7,804)
General and administrative expenses (1,077) (3,661) (2,860) (5,748)
Depreciation and amortization (20,044) (20,187) (32,455) (34,232)
Interest expense and finance cost, net (1,699) (1,429) (3,425) (2,944)
Other income/(expense), net (524) 259 12,249 760
Loss before equity in net earnings of affiliated companies (12,831) (27,119) (14,929) (46,704)
(Loss)/income from subsidiaries 4,701 6,006 8,322 6,534
Equity in net earnings of affiliated companies 843 1,180 1,691 2,219
Loss before taxes (7,287) (19,933) (4,916) (37,951)
Income tax (expense)/benefit (73) (72) (142) (142)
Net loss (7,360) (20,005) (5,058) (38,093)
Net loss attributable to Navios Holdings common stockholders (7,360) (20,005) (5,058) (38,093)
Other Comprehensive income/(loss)        
Unrealized holding gain/(loss) on investments in available-for-sale securities 495 (213) 100 (491)
Reclassification to earnings 345   345 0
Total other comprehensive income/(loss) 840 (213) 445 (491)
Total comprehensive loss (6,520) (20,218) (4,613) (38,584)
Total comprehensive loss attributable to Navios Holdings common stockholders (6,520) (20,218) (4,613) (38,584)
Non Guarantor Subsidiaries        
Condensed Financial Statements Captions [Line Items]        
Revenue 58,742 66,256 113,961 131,318
Time charter, voyage and logistics business expenses (12,919) (15,060) (27,456) (42,059)
Direct vessel expenses (21,383) (22,860) (38,082) (40,955)
General and administrative expenses (3,538) (3,911) (6,836) (7,517)
Depreciation and amortization (6,387) (6,591) (13,061) (13,058)
Interest expense and finance cost, net (5,829) (6,735) (12,033) (13,548)
Other income/(expense), net (2,018) (3,454) (3,175) (5,928)
Loss before equity in net earnings of affiliated companies 6,668 7,645 13,318 8,253
Equity in net earnings of affiliated companies (336) 799 (331) 1,589
Loss before taxes 6,332 8,444 12,987 9,842
Income tax (expense)/benefit 694 1,767 (282) 1,985
Net loss 7,026 10,211 12,705 11,827
Less: Net income attributable to the noncontrolling interest (2,662) (3,405) (4,715) (3,704)
Net loss attributable to Navios Holdings common stockholders 4,364 6,806 7,990 8,123
Other Comprehensive income/(loss)        
Total comprehensive loss 7,026 10,211 12,705 11,827
Comprehensive income attributable to the noncontrolling interest (2,662) (3,405) (4,715) (3,704)
Total comprehensive loss attributable to Navios Holdings common stockholders 4,364 6,806 7,990 8,123
Eliminations        
Condensed Financial Statements Captions [Line Items]        
(Loss)/income from subsidiaries 2,994 13,199 (2,933) 29,970
Loss before taxes 2,994 13,199 (2,933) 29,970
Net loss 2,994 13,199 (2,933) 29,970
Net loss attributable to Navios Holdings common stockholders 2,994 13,199 (2,933) 29,970
Other Comprehensive income/(loss)        
Unrealized holding gain/(loss) on investments in available-for-sale securities (495) 213 (100) 491
Reclassification to earnings (345)   (345) 0
Total other comprehensive income/(loss) (840) 213 (445) 491
Total comprehensive loss 2,154 13,412 (3,378) 30,461
Total comprehensive loss attributable to Navios Holdings common stockholders 2,154 13,412 (3,378) 30,461
Total        
Condensed Financial Statements Captions [Line Items]        
Revenue 105,733 119,839 207,220 238,119
Administrative fee revenue from affiliates 5,463 3,882 10,945 7,804
Time charter, voyage and logistics business expenses (36,095) (57,856) (82,476) (127,790)
Direct vessel expenses (34,685) (35,748) (64,759) (66,565)
General and administrative expenses incurred on behalf of affiliates (5,463) (3,882) (10,945) (7,804)
General and administrative expenses (6,392) (8,668) (12,830) (15,479)
Depreciation and amortization (27,132) (27,479) (46,959) (48,684)
Interest expense and finance cost, net (26,698) (27,838) (54,448) (55,876)
Other income/(expense), net (2,530) (3,321) 9,134 (5,235)
Loss before equity in net earnings of affiliated companies (27,799) (41,071) (45,118) (81,510)
(Loss)/income from subsidiaries 0 0 0 0
Equity in net earnings of affiliated companies 3,424 17,968 16,376 31,880
Loss before taxes (24,375) (23,103) (28,742) (49,630)
Income tax (expense)/benefit 621 1,695 (424) 1,843
Net loss (23,754) (21,408) (29,166) (47,787)
Less: Net income attributable to the noncontrolling interest (2,662) (3,405) (4,715) (3,704)
Net loss attributable to Navios Holdings common stockholders (26,416) (24,813) (33,881) (51,491)
Other Comprehensive income/(loss)        
Unrealized holding gain/(loss) on investments in available-for-sale securities 495 (213) 100 (491)
Reclassification to earnings 345   345 0
Total other comprehensive income/(loss) 840 (213) 445 (491)
Total comprehensive loss (22,914) (21,621) (28,721) (48,278)
Comprehensive income attributable to the noncontrolling interest (2,662) (3,405) (4,715) (3,704)
Total comprehensive loss attributable to Navios Holdings common stockholders $ (25,576) $ (25,026) $ (33,436) $ (51,982)