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UNAUDITED CONSOLIDATED STATEMENTS OF CASHFLOWS $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($)
OPERATING ACTIVITIES |  |
Net income/(loss) | $ 570,439 | $ (214,676)
Adjustments to reconcile net income/(loss) to net cash provided by operating activities: |  |
Depreciation and amortization | 52,999 | 54,222
Amortization of deferred charges and guarantees, net | 1,311 | 3,173
Equity in net losses of affiliates | (157) | 261
Dividends received from discontinued operations |  | 0
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest | (568,164) | 177,040
Dry-docking expenditure | (1,591) | (7,543)
Compensation cost related to employee stock awards | 1,881 | 2,771
Net foreign exchange losses | 627 | 302
Change in fair value of investment in listed equity securities | 86,664 | 0
Change in fair value of other derivative instruments | (16,804) | 48,575
Changes in assets and liabilities: |  |
Trade accounts receivable | 3,543 | 6,907
Inventories | 339 | (2,443)
Other current and non-current assets | 8,154 | (9,127)
Amounts due to/from related companies | (9,157) | (6,642)
Trade accounts payable | (2,557) | 2,818
Accrued expenses | (4,678) | 6,009
Other current and non-current liabilities | 68,991 | (55,849)
Net cash provided by operating activities | 110,650 | 45,878
Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] |  |
Additions to vessels and equipment | (925) | (3,529)
Additions to assets under development | (168,392) | (155,236)
Additions to investments in affiliates | (8,625) | (8,042)
Proceeds from subscription of equity interest in Gimi MS Corporation | 12,812 | 0
Net cash used in continuing investing activities | (165,130) | (166,807)
Net Cash Provided by (Used in) Investing Activities, Discontinued Operations [Abstract] |  |
Additions to investments in affiliates | (8,625) | (8,042)
Dividends received |  | 0
Short-term loan advanced to related parties |  | 0
Proceeds from repayment of short-term loan advanced to related parties |  | 0
Net cash provided by discontinued investing activities | 122,063 | 6,794
FINANCING ACTIVITIES |  |
Proceeds from short-term and long-term debt | 121,363 | 511,375
Repayments of short-term and long-term debt | (102,972) | (511,792)
Cash dividends paid | (16,702) | (9,762)
Financing costs paid | (3,776) | (4,252)
Purchase of treasury shares | (17,828) | (16,650)
Net cash used in financing activities | (19,915) | (31,081)
Net increase/(decrease) in cash, cash equivalents and restricted cash | 47,668 | (145,216)
Cash, cash equivalents and restricted cash at beginning of period | 290,872 | 410,412
Cash, cash equivalents and restricted cash at end of period | 338,540 | 265,196
Supplemental Cash Flow Information [Abstract] |  |
Cash and cash equivalents | 207,272 | 128,661
Restricted cash and short-term deposits | 58,421 | 75,106
Restricted cash (non-current portion) | 72,847 | 61,429
Cash, cash equivalents, restricted cash and restricted cash equivalents | 338,540 | 265,196
Discontinued Operations |  |
Adjustments to reconcile net income/(loss) to net cash provided by operating activities: |  |
Dividends received from discontinued operations | 0 | 460
Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] |  |
Additions to investments in affiliates | 0 | (2,410)
Net Cash Provided by (Used in) Investing Activities, Discontinued Operations [Abstract] |  |
Additions to investments in affiliates | 0 | (2,410)
Dividends received | 460 | 9,204
Net proceeds from disposals of investments in affiliates | 121,603 | 0
Short-term loan advanced to related parties | 0 | (40,000)
Proceeds from repayment of short-term loan advanced to related parties | 0 | 40,000
Oil Derivative |  |
Adjustments to reconcile net income/(loss) to net cash provided by operating activities: |  |
Change in fair value of other derivative instruments | $ (81,190) | $ 39,620

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