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LOAN FACILITY (Details Textual)
$ in Thousands, $ in Millions
1 Months Ended
Apr. 30, 2015
USD ($)
Dec. 31, 2017
CAD ($)
Dec. 31, 2016
CAD ($)
Dec. 31, 2016
USD ($)
Loan facility [Line Items]        
Borrowings $ 357 $ 0 $ 425,903 $ 332
Gahcho Kue Diamond Mine [Member]        
Loan facility [Line Items]        
Proportion of ownership interests held by non-controlling interests 49.00%      
Loan commitments [member]        
Loan facility [Line Items]        
Gross loan commitments $ 370      
Borrowings, interest rate basis LIBOR plus 5.5%      
Borrowings, maturity The term of the Loan Facility was seven years