CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Dec. 31, 2016
Current assets      
Cash and cash equivalents $ 132,925 $ 127,632 $ 135,992
Restricted cash 10,056 6,558 5,386
Accounts receivable, net 56,125 60,331 65,829
Due from affiliate companies 13,626 4,002 8,548
Inventories 29,309 30,170 28,489
Prepaid expenses and other current assets 34,697 27,383 28,896
Total current assets 276,738 256,076 273,140
Deposits for vessels, port terminals and other fixed assets 1,064 36,849 136,891
Vessels, port terminals and other fixed assets, net 1,694,429 1,809,225 1,821,101
Deferred dry dock and special survey costs, net   32,945 37,781
Loan receivable from affiliate companies 34,635 30,112 23,008
Long-term receivable from affiliate companies     11,105
Investments in affiliates 166,888 183,160 160,071
Other long-term assets 42,479 37,801 2,647
Intangible assets other than goodwill 112,288 116,422 126,815
Goodwill 160,336 160,336 160,336
Total non-current assets 2,212,119 2,373,905 2,479,755
Total assets 2,488,857 2,629,981 2,752,895
Current liabilities      
Accounts payable 78,674 79,671 85,538
Accrued expenses and other liabilities 94,515 94,859 91,749
Deferred income and cash received in advance 8,255 11,030 9,183
Due to affiliate companies 18,646 16,749 32,847
Current portion of capital lease obligations   0 2,639
Current portion of long-term debt, net 32,851 33,885 29,827
Total current liabilities 232,941 236,194 251,783
Senior and ship mortgage notes, net 1,270,726 1,301,999 1,296,537
Long-term debt, net of current portion 295,754 346,604 274,855
Capital lease obligations, net of current portion   0 14,978
Other long-term liabilities and deferred income 40,050 43,382 43,388
Loan payable to affiliate company   0 49,876
Long-term payable to affiliate companies 86,005 76,872 6,399
Deferred tax liability 7,181 7,766 11,526
Total non-current liabilities 1,699,716 1,776,623 1,697,559
Total liabilities 1,932,657 2,012,817 1,949,342
Commitments and contingencies
Stockholders' equity      
Preferred Stock, value 0 0 0
Common stock, value 12 12 12
Additional paid-in capital 685,607 682,105 678,531
Accumulated other comprehensive income 0 2 0
Accumulated deficit (233,986) (166,021) (256)
Total Navios Holdings stockholders' equity 451,633 516,098 678,287
Noncontrolling interest 104,567 101,066 125,266
Total stockholders' equity 556,200 617,164 803,553
Total liabilities and stockholders' equity $ 2,488,857 $ 2,629,981 $ 2,752,895