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SEGMENTED INFORMATION (Schedule of Assets by Segments) (Details) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | --- | ---
SEGMENTED ASSETS AND LIABILITIES |  |  |
Assets | $ 660,915 | $ 534,882 |
Cash | 12,539 | 21,434 | $ 5,346
Deferred income tax assets | 13,581 | 16,934 |
Deferred financing costs and other long term assets | 2,817 | 2,416 |
Loan receivable, principal |  | 23,357 |
Noncurrent assets | 545,528 | 402,785 |
Mineral, royalty and other interests | 365,477 | 402,785 |
Hot Maden interest | 177,452 |  |
Material reconciling items [member] |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Assets | 109,194 | 126,307 |
Cash | 12,539 | 21,434 |
Investments | 78,882 | 61,293 |
Deferred income tax assets | 13,581 | 16,934 |
Deferred financing costs and other long term assets | 4,192 | 3,289 |
Loan receivable, principal |  | 23,357 |
Reportable segments [member] |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Assets | 551,721 | 408,575 |
Aurizona [member] |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Assets | 10,723 | 10,723 |
Bachelor Lake [member] |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Assets | 1,124 | 5,268 |
Black Fox [member] |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Assets | 11,350 | 13,946 |
Chapada [member] |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Assets | 63,026 | 66,791 |
Diavik [member] |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Assets | 36,739 | 42,450 |
Hot Maden [member] |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Assets | 183,271 | 5,818 |
Mineral, royalty and other interests | 5,800 | 5,816 |
Hot Maden interest | 177,452 |  |
Hugo North Extension and Heruga [member] |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Assets | 35,351 | 35,351 |
Karma [member] |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Assets | 21,034 | 24,389 |
Ming [member] |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Assets | 11,300 | 11,653 |
Santa Elena [member] |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Assets | 3,693 | 4,345 |
Yamana Silver Stream [member] |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Assets | 70,556 | 72,807 |
Other Royalties [member] |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Assets | 96,131 | 108,844 |
Other [member] |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Assets | 7,423 | 6,190 |
CANADA |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Noncurrent assets | 86,832 | 99,728 |
BRAZIL |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Noncurrent assets | 77,113 | 85,410 |
MONGOLIA |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Noncurrent assets | 36,589 | 36,589 |
BURKINA FASO |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Noncurrent assets | 20,087 | 26,807 |
UNITED STATES |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Noncurrent assets | 16,055 | 21,403 |
TURKEY |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Noncurrent assets | 187,725 | 10,260 |
SOUTH AFRICA |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Noncurrent assets | 4,301 | 4,066 |
MEXICO |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Noncurrent assets | 2,874 | 4,033 |
ARGENTINA |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Noncurrent assets | 94,166 | 95,191 |
FRENCH GUIANA |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Noncurrent assets | 5,154 | 5,153 |
HONDURAS |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Noncurrent assets | 1,430 | 2,248 |
CHILE |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Noncurrent assets | 2,460 | 2,460 |
PARAGUAY |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Noncurrent assets |  | 1,264 |
COTE D'IVOIRE |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Noncurrent assets | 400 |  |
BOTSWANA |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Noncurrent assets | 1,017 |  |
PERU |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Noncurrent assets | 6,434 | 4,899 |
AUSTRALIA |  |  |
SEGMENTED ASSETS AND LIABILITIES |  |  |
Noncurrent assets | $ 2,891 | $ 3,274 |

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