CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
OPERATING ACTIVITIES:      
Net (loss)/income $ (126,067) $ (62,064) $ (105,291)
Adjustments to reconcile net loss to net cash provided by operating activities:      
Depreciation and amortization 120,310 104,690 98,124
Amortization and write-off of deferred financing costs 4,524 4,061 5,384
Amortization of deferred drydock and special survey costs 13,340 12,263 9,581
Provision for losses on accounts receivable 59 792 630
Unrealized loss on FFA derivatives 0 0 69
Share based compensation 5,591 7,719 5,021
Gain on sale of assets 0 0 (18)
Loss on bond and debt extinguishment 0 4,786 12,142
Income tax (benefit)/ expense (3,154) 84 (4,260)
Realized holding loss on investments in-available-for-sale-securities 1,782 11,553 0
Equity in affiliates, net of dividends received (30,398) (22,179) 19,781
Changes in operating assets and liabilities:      
Decrease/ (increase) in restricted cash 198 (168) 430
Decrease/ (increase) in accounts receivable 20,588 (107) (1,110)
Decrease/ (increase) in inventories 8,079 (5,933) 4,966
Decrease/ (increase) in prepaid expenses and other assets 375 6,446 (26,653)
Decrease/ (increase) in due from affiliate companies 13,802 (18,263) 80,159
Increase/ (decrease) in accounts payable 17,606 1,738 (12,916)
Increase/ (decrease) in accrued expenses and other liabilities 3,104 31,154 (12,156)
Increase in due to affiliate companies 14,142 0 0
Increase/ (decrease) in deferred income and cash received in advance 1,046 (770) (2,112)
Increase/ (decrease) in other long-term liabilities and deferred income 3,391 (8,509) (1,109)
Increase in derivative assets and liabilities 0 0 1,206
Payments for drydock and special survey costs (24,840) (10,970) (12,119)
Net cash provided by operating activities 43,478 56,323 59,749
INVESTING ACTIVITIES:      
Acquisition of intangible assets 0 (10,200) (2,092)
Loan to affiliate company (7,327) (4,465) (2,660)
Loan repayment from affiliate company 0 0 35,000
Decrease/ (increase) in long-term receivable from affiliate companies 10,351 (5,087) 14,908
Dividends from affiliate companies 18,244 14,595 10,126
Deposits for vessels, port terminals and other fixed assets (26,713) (45,337) (31,398)
Acquisition of investments in affiliates (22,846) (2,233) (167,919)
Acquisition of vessels 0 (123,541) (85,699)
Purchase of property, equipment and other fixed assets (8,208) (68,620) (28,837)
Net cash provided by/(used in) investing activities (36,499) (244,888) (258,571)
FINANCING ACTIVITIES:      
Proceeds from long-term loans 0 72,250 51,250
Proceeds from issuance of senior and ship mortgage notes including premium, net of debt issuance costs 0 365,668 725,486
Repayment of long-term debt and payment of principal (36,056) (20,761) (157,228)
Repayment of senior and ship mortgage notes 0 (290,000) (488,000)
Payments of obligations under capital leases (1,501) (1,399) (1,353)
Debt issuance costs (50) (1,223) (905)
Net proceeds from issuance of preferred stock 0 163,602 0
(Increase)/ decrease in restricted cash (11,114) (355) 22,234
Payment for acquisition of intangible asset (6,800) 0 0
Acquisition of treasury stock (252) 0 0
Acquisition of noncontrolling interest 0 (10,889) (750)
Contribution from noncontrolling shareholders 0 3,484 3,905
Issuance of common stock 0 643 551
Dividends paid (35,350) (32,730) (26,405)
Net cash (used in)/ provided by financing activities (91,123) 248,290 128,785
(Decrease)/increase in cash and cash equivalents (84,144) 59,725 (70,037)
Cash and cash equivalents, beginning of year 247,556 187,831 257,868
Cash and cash equivalents, end of year 163,412 247,556 187,831
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION      
Cash paid for interest, net of capitalized interest 108,461 92,776 147,405
Cash paid for income taxes 139 694 586
Non-cash investing and financing activities      
Purchase of property, equipment and other fixed assets (710) (624) 0
Acquisition of intangible assets 0 (6,800) 0
Deposits for vessels, port terminals and other fixed assets 1,871 0 0
Debt issuance costs 0 (225) 0
Revaluation of vessels due to restructuring of capital lease obligations 210 0 0
Decrease in capital lease obligations due to restructuring (210) 0 0
Dividends payable 3,081 3,081 0
Investments in available-for-sale securities 0 0 17,715
Accrued interest on loan receivable from affiliate company $ 1,356 $ 645 $ 0