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RELATED PARTY TRANSACTIONS (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
RELATED PARTY TRANSACTIONS |  |  |
Accounts payable | $ 20,044 | $ 18,429 |
Lexam L.P. |  |  |
RELATED PARTY TRANSACTIONS |  |  |
Expense (income) | 187 | 104 | $ 93
Outstanding accounts payable (receivable) |  | 66 |
Lexam VG Gold |  |  |
RELATED PARTY TRANSACTIONS |  |  |
Expense (income) | 85 | (1) | $ (72)
Outstanding accounts payable (receivable) | $ 27 |  |
Ownership percentage of individual | 27.00% |  |
REVlaw |  |  |
RELATED PARTY TRANSACTIONS |  |  |
Expense (income) | $ 124 | 59 |
Outstanding accounts payable (receivable) | $ 148 | $ 59 |

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