UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
OPERATING ACTIVITIES:          
Net loss $ (30,937) $ (35,867) $ (81,663) $ (39,483)  
Adjustments to reconcile net loss to net cash provided by operating activities:          
Non-cash adjustments     58,997 88,802  
Decrease /(increase) in operating assets     9,933 (7)  
Increase in operating liabilities     32,392 281  
Payments for drydock and special survey costs     (14,129) (6,917)  
Net cash provided by operating activities     5,530 42,676  
INVESTING ACTIVITIES:          
Acquisition of investments in affiliates     0 (8)  
Acquisition of/additions to vessels     (96,573) (54,029)  
Deposits for vessels, port terminals and other fixed assets acquisitions     (1,250) 0  
Deposits for option to acquire vessels     (2,099) (12,452)  
Loans from/(to) affiliate companies     18,629 (4,000)  
Proceeds from lease receivable     79 113  
Proceeds from sale of assets     23,078 25,170  
Purchase of property, equipment and other fixed assets     (1,328) (2,418)  
Dividends received from affiliate companies     2,919 2,919  
Net cash used in investing activities     (56,545) (44,705)  
FINANCING ACTIVITIES:          
Repurchase of preferred stock     0 (10,009)  
Repayment of long-term debt and payment of principal     (20,111) (119,138)  
Repurchase of senior notes     (9,443) (24,690)  
Repayment of loan payable to affiliate companies     (31,500) 0  
Proceeds from loan payable to affiliate companies     31,500 0  
Proceeds from long-term loans, net of deferred finance fees     66,862 127,171  
Dividends paid to noncontrolling shareholders     (9,948) 0  
Issuance of capital surplus     0 (3)  
Net cash provided by/ (used in) financing activities     27,360 (26,669)  
Decrease in cash and cash equivalents and restricted cash     (23,655) (28,698)  
Cash and cash equivalents and restricted cash, beginning of period     78,727 150,774 $ 150,774
Cash and cash equivalents and restricted cash, end of period $ 55,072 $ 122,076 55,072 122,076 $ 78,727
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION          
Cash paid for interest, net of capitalized interest     62,040 70,698  
Cash paid for income taxes     186 298  
Non-cash investing and financing activities          
Acquisition of/additions to vessels     (986) 0  
Accrued interest income on loan receivable from affiliate company     0 (1,734)  
Accrued interest expense payable to affiliate company     0 583  
Issuance of senior secured notes in exchange of preferred stock     0 8,626  
Discontinued operations:          
Net cash provided by operating activities of discontinued operations     0 6,381  
Net cash used in investing activities of discontinued operations     0 (53,707)  
Net cash provided by financing activities of discontinued operations     $ 0 $ 45,289