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Acquisition of Barkerville Gold Mines Ltd (Narrative) (Details) $ / shares in Units, $ in Thousands | 12 Months Ended
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Dec. 31, 2019 CAD ($) $ / shares shares
Disclosure of detailed information about business combination [line items] |
Number of share issued | shares | 13,560,832
Acquisition of Barkerville | $ 162,476
NSR royalty held on the Cariboo project prior to the acquisition of Barkerville | 56,070
Share capital [Member] |
Disclosure of detailed information about business combination [line items] |
Acquisition of Barkerville | $ 160,564
Barkerville [Member] |
Disclosure of detailed information about business combination [line items] |
Number of shares received by shareholders of acquired company per share of the company | $ / shares | $ 0.0357
Acquisition of Barkerville, replacement share options | $ 1,900
Number of share issued | shares | 13,560,832
Number of replacement share options issued | shares | 1,005,478
Number of warrants of Barkerville already held by Osisko and cancelled | shares | 10,000,000
Estimated common share warrants cancelled | $ 589
Transaction costs | 1,513
Cash and cash equivalents acquired | $ 8,312
Number of common shares of Barkerville held | shares | 183,625,585
Net book value of shares in investment held | $ 101,400
Fair value of shares in investment held | 77,100
Investment consideration transaction loss | $ 24,300
Net smelter return | 4.00%
NSR royalty held on the Cariboo project prior to the acquisition of Barkerville | $ 56,100
Total purchase price allocated to the assets acquired and the liabilities assumed | 241,700
Barkerville [Member] | Share capital [Member] |
Disclosure of detailed information about business combination [line items] |
Acquisition of Barkerville | $ 160,600

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