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Investment in associates (Details 1) - Dolly Varden [Member]
$ in Thousands
1 Months Ended 12 Months Ended
Sep. 30, 2022
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2022
CAD ($)
Statement [Line Items]      
Carrying amount, investment     $ 55,265
Equity interest transferred to held for sale     22.20%
Carrying amount transferred to asset held for sale     $ 12,280
Less: FVLCD     (6,774)
Impairment expense recognized $ 5,506 $ 5,506,000 $ 5,506