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SUBSIDIARIES AND NON-CONTROLLING INTEREST - Non-controlling Interest Statements (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Disclosure of subsidiaries [line items] |  |  |
Current assets | $ 1,424,522 | $ 899,662 |
Non-current assets | 3,820,464 | 850,445 |
Current liabilities | (248,933) | (234,171) |
Net assets attributable to NCI | 513,626 | 0 |
Revenue | 853,089 | 606,850 |
Net income | 140,468 | 55,757 | [1]
Other comprehensive income | 18,595 | 32,045 |
Total comprehensive income | 159,063 | 87,802 |
Net income attributable to NCI | 6,974 | (1,558) |
Total comprehensive income attributable to NCI | 6,974 | (1,558) |
Cash flows from operating activities | 348,615 | 145,844 | [1]
Cash flows from financing activities | (173,204) | 68,907 | [1]
Cash flows from investing activities | 180,790 | (130,328) | [1]
Increase in cash and cash equivalents | 356,990 | $ 84,435 | [1]
Anagold |  |  |
Disclosure of subsidiaries [line items] |  |  |
Current assets | 442,650 |  |
Non-current assets | 2,832,230 |  |
Current liabilities | (141,007) |  |
Non-current liabilities | (565,742) |  |
Net assets | 2,568,131 |  |
Net assets attributable to NCI | 513,626 |  |
Revenue | 205,536 |  |
Net income | 34,869 |  |
Other comprehensive income | 0 |  |
Total comprehensive income | 34,869 |  |
Net income attributable to NCI | 6,974 |  |
Total comprehensive income attributable to NCI | 6,974 |  |
Cash flows from operating activities | 137,587 |  |
Cash flows from financing activities | (25,261) |  |
Cash flows from investing activities | (34,797) |  |
Increase in cash and cash equivalents | $ 77,529 |  |
[1] | See note 2(r)

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