COMMITMENTS AND CONTINGENCIES (Details) $ in Thousands |
12 Months Ended |
|---|---|
|
Jun. 30, 2016
USD ($)
| |
| Rainy River | |
| Commitments and Contingencies | |
| Remaining commitment amount | $ 75,000 |
| Wassa and Prestea | |
| Commitments and Contingencies | |
| Remaining commitment amount | 50,000 |
| Ilovica | |
| Commitments and Contingencies | |
| Remaining commitment amount | $ 163,750 |
| Voisey's Bay | Altius | |
| Commitments and Contingencies | |
| Percentage of ownership interest held in Labrador Nickel Royalty Limited Partnership ("LNRLP") | 10.00% |
| Voisey's Bay | Voisey's Bay Holding Corporation | |
| Commitments and Contingencies | |
| Percentage of ownership interest held in Labrador Nickel Royalty Limited Partnership ("LNRLP") | 90.00% |