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v3.19.1

ACQUISITIONS AND CHANGE IN INTEREST ON MINERAL PROPERTIES (Details) $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
May 31, 2017 USD ($) | Dec. 31, 2018 USD ($) $ / $ $ / ounce | Dec. 31, 2017 USD ($) | May 31, 2016 USD ($)
Disclosure of detailed information about business combination [line items] |  |  |  |
Payments for interest in joint venture |  | $ 0 | $ 12,972 |
Property, plant and equipment |  | 701,175 | 658,629 |
Non-controlling interest |  | 31,829 | 23,043 |
Equity attributable to our shareholders |  |  | 17,231 |
Goodwill |  | $ 49,786 | 49,786 |
Seabee Gold Operation |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |
Commodity price applied to cash flow projections (in USD per ounce) | $ / ounce |  | 1,300 |  |
Foreign exchange rate applied to cash flow projections (in CAD per USD) | $ / $ |  | 1.25 |  |
Discount rate applied to cash flow projections |  | 7.00% |  |
Claude Resources Inc. |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |
Goodwill |  |  |  | $ 49,786
Puna Operations Inc. |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |
Proportion of ownership interest in joint venture | 75.00% |  |  |
Useful life of property, plant and equipment | 8 years |  |  |
Payments for interest in joint venture | $ 12,972 |  |  |
Property, plant and equipment | 28,839 |  |  |
Non-controlling interest | 18,573 |  |  |
Other |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |
Equity attributable to our shareholders |  | $ 0 | $ (1,342) |
Other | Puna Operations Inc. |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |
Equity attributable to our shareholders | $ 1,342 |  |  |

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