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Exploration and Evaluation Assets - Schedule of Exploration and Evaluation Assets (Details) - CAD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2019 | Sep. 30, 2018
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Property maintenance |  |
Geology |  |
Infrastructure |  |
Balance at the end of the year | 64,994 | 63,808
Canada [Member] | Post Creek Property [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the end of the year | 1,782 | 1,459
Canada [Member] | Halcyon Property [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the end of the year | 452 | 428
Canada [Member] | Quetico Claims [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the end of the year | 80 | 61
Canada [Member] | Lingman Lake [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the end of the year | 26 |
Canada [Member] | Enid Creek [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the end of the year | 3 |
United States [Member] | Section 35 Property [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the end of the year | 12 | 8
Greenland [Member] | Maniitsoq Property [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the end of the year | 62,639 | 61,852
Exploration and Evaluation Assets Arising From Acquisition [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year | 602 | 534
Acquisition costs - cash | 36 | 78
Balance at the end of the year | 638 | 612
Exploration and Evaluation Assets Arising From Acquisition [Member] | Canada [Member] | Post Creek Property [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year | 288 | 278
Acquisition costs - cash | 10 | 10
Balance at the end of the year | 298 | 288
Exploration and Evaluation Assets Arising From Acquisition [Member] | Canada [Member] | Halcyon Property [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year | 222 | 214
Acquisition costs - cash | 8 | 8
Balance at the end of the year | 230 | 222
Exploration and Evaluation Assets Arising From Acquisition [Member] | Canada [Member] | Quetico Claims [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year | 42 |
Acquisition costs - cash |  | 40
Balance at the end of the year | 42 | 40
Exploration and Evaluation Assets Arising From Acquisition [Member] | Canada [Member] | Lingman Lake [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year |  |
Acquisition costs - cash | 14 |
Balance at the end of the year | 14 |
Exploration and Evaluation Assets Arising From Acquisition [Member] | Canada [Member] | Enid Creek [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year |  |
Acquisition costs - cash | 3 |
Balance at the end of the year | 3 |
Exploration and Evaluation Assets Arising From Acquisition [Member] | United States [Member] | Section 35 Property [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year | 8 | 6
Acquisition costs - cash | 1 | 2
Balance at the end of the year | 9 | 8
Exploration and Evaluation Assets Arising From Acquisition [Member] | Greenland [Member] | Maniitsoq Property [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year | 42 | 36
Acquisition costs - cash |  | 18
Balance at the end of the year | 42 | 54
Exploration and Evaluation Assets Arising From Exploration [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year | 63,877 | 49,960
Administration | 11 | 482
Corporate social responsibility | 3 | 59
Environment, health & safety | 8 | 137
Property maintenance | 17 | 20
Drilling expenses | 249 | 3,922
Camp operations |  | 2,942
Helicopter charter aircraft |  | 4,168
Geology | 154 | 694
Geophysics | 37 | 762
Infrastructure |  | 31
Technical studies |  | 19
Increase in exploration and evaluation assets | 479 | 13,236
Balance at the end of the year | 64,356 | 63,196
Exploration and Evaluation Assets Arising From Exploration [Member] | Canada [Member] | Post Creek Property [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year | 1,431 | 1,138
Administration | 1 | 2
Corporate social responsibility | 2 | 1
Environment, health & safety |  |
Property maintenance |  | 1
Drilling expenses | 29 | 5
Camp operations |  |
Helicopter charter aircraft |  |
Geology | 20 | 24
Geophysics | 1 |
Infrastructure |  |
Technical studies |  |
Increase in exploration and evaluation assets | 53 | 33
Balance at the end of the year | 1,484 | 1,171
Exploration and Evaluation Assets Arising From Exploration [Member] | Canada [Member] | Halcyon Property [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year | 209 | 187
Administration | 1 | 2
Corporate social responsibility | 1 | 1
Environment, health & safety |  |
Property maintenance |  | 1
Drilling expenses |  |
Camp operations |  |
Helicopter charter aircraft |  |
Geology | 10 | 15
Geophysics | 1 |
Infrastructure |  |
Technical studies |  |
Increase in exploration and evaluation assets | 13 | 19
Balance at the end of the year | 222 | 206
Exploration and Evaluation Assets Arising From Exploration [Member] | Canada [Member] | Quetico Claims [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year | 22 |
Administration |  | 2
Corporate social responsibility |  |
Environment, health & safety |  |
Property maintenance |  | 1
Drilling expenses | 12 |
Camp operations |  |
Helicopter charter aircraft |  |
Geology |  | 17
Geophysics | 4 | 1
Infrastructure |  |
Technical studies |  |
Increase in exploration and evaluation assets | 16 | 21
Balance at the end of the year | 38 | 21
Exploration and Evaluation Assets Arising From Exploration [Member] | Canada [Member] | Lingman Lake [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year |  |
Administration |  |
Corporate social responsibility |  |
Environment, health & safety |  |
Property maintenance |  |
Drilling expenses | 5 |
Geology | 5 |
Geophysics | 2 |
Increase in exploration and evaluation assets | 12 |
Balance at the end of the year | 12 |
Exploration and Evaluation Assets Arising From Exploration [Member] | Canada [Member] | Enid Creek [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Administration |  |
Corporate social responsibility |  |
Environment, health & safety |  |
Property maintenance |  |
Drilling expenses |  |
Geology |  |
Geophysics |  |
Increase in exploration and evaluation assets |  |
Balance at the end of the year |  |
Exploration and Evaluation Assets Arising From Exploration [Member] | United States [Member] | Section 35 Property [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year |  |
Administration |  |
Corporate social responsibility |  |
Environment, health & safety |  |
Property maintenance |  |
Drilling expenses |  |
Camp operations |  |
Helicopter charter aircraft |  |
Geology | 2 |
Geophysics | 1 |
Infrastructure |  |
Technical studies |  |
Increase in exploration and evaluation assets | 3 |
Balance at the end of the year | 3 |
Exploration and Evaluation Assets Arising From Exploration [Member] | Greenland [Member] | Maniitsoq Property [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year | 62,215 | 48,635
Administration | 9 | 476
Corporate social responsibility |  | 57
Environment, health & safety | 8 | 137
Property maintenance | 17 | 17
Drilling expenses | 203 | 3,917
Camp operations |  | 2,942
Helicopter charter aircraft |  | 4,168
Geology | 117 | 638
Geophysics | 28 | 761
Infrastructure |  | 31
Technical studies |  | 19
Increase in exploration and evaluation assets | 382 | 13,163
Balance at the end of the year | $ 62,597 | $ 61,798

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