UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
OPERATING ACTIVITIES:          
Net loss $ (35,867) $ (23,847) $ (39,483) $ (65,083)  
Adjustments to reconcile net loss to net cash provided by operating activities:          
Non-cash adjustments     134,916 88,165  
Increase in operating assets     (7) (9,333)  
(Decrease)/ increase in operating liabilities     (45,833) 21,781  
Payments for drydock and special survey costs     (6,917) (6,016)  
Net cash provided by operating activities     42,676 29,514  
INVESTING ACTIVITIES:          
Acquisition of investments in affiliates     (8) (6,278)  
Acquisition of/additions to vessels     (54,029) (10,255)  
Deposits for vessels, port terminals and other fixed assets acquisitions     0 (3,437)  
Deposits for option to acquire vessels     (12,452) (8,699)  
Loans to affiliate companies     (4,000) 0  
Proceeds from lease receivable     113 118  
Proceeds from sale of asset     25,170 7,682  
Purchase of property, equipment and other fixed assets     (2,418) (4,800)  
Dividends received from affiliate companies     2,919 2,919  
Net cash used in investing activities     (44,705) (22,750)  
FINANCING ACTIVITIES:          
Repurchase of preferred stock     (10,009) 0  
Repayment of long-term debt and payment of principal     (119,138) (19,342)  
Repurchase of senior notes     (24,690) 0  
Proceeds from long-term loans, net of deferred finance fees     127,171 0  
Debt issuance costs     0 (180)  
Issuance of capital surplus     (3) 0  
Net cash used in financing activities     (26,669) (19,522)  
Decrease in cash and cash equivalents and restricted cash     (28,698) (12,758)  
Cash and cash equivalents and restricted cash, beginning of period     150,774 134,190 $ 134,190
Cash and cash equivalents and restricted cash, end of period $ 122,076 $ 121,432 122,076 121,432 $ 150,774
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION          
Cash paid for interest, net of capitalized interest     70,698 54,938  
Cash paid for income taxes     298 485  
Non-cash investing and financing activities          
Accrued interest income on loan receivable from affiliate company     (1,734) (1,476)  
Accrued interest expense payable to affiliate company     583 514  
Issuance of senior secured notes in exchange of preferred stock     8,626 0  
Transfers from deposits for vessels, port terminals and other fixed assets     0 32,032  
Acquisition of vessels, port terminals and other fixed assets, net     $ 0 $ (311)