INCOME TAXES - Disclosure of unrecognized deferred tax assets (Details) - USD ($)
$ in Thousands |
12 Months Ended |
|
Dec. 31, 2021 |
Dec. 31, 2020 |
| Mexico operations [Member] |
|
|
| Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |
|
|
| Loss carry forward expiry period |
2022-2031
|
|
| Unrecognized tax loss carry forward |
$ 118,810
|
$ 129,680
|
| Canada operations [Member] |
|
|
| Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |
|
|
| Loss carry forward expiry period |
2025-2031
|
|
| Unrecognized tax loss carry forward |
$ 7,525
|
6,752
|
| Chile Operation [Member] |
|
|
| Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |
|
|
| Loss carry forward expiry period |
2022-2031
|
|
| Unrecognized tax loss carry forward |
$ 16,403
|
13,817
|
| Capital losses [Member] |
|
|
| Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |
|
|
| Unrecognized deferred tax assets |
9,650
|
12,561
|
| Reclamation provision [Member] |
|
|
| Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |
|
|
| Unrecognized deferred tax assets |
7,396
|
8,876
|
| Exploration pools [Member] |
|
|
| Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |
|
|
| Unrecognized deferred tax assets |
13,569
|
6,172
|
| Other Canada temporary differences [Member] |
|
|
| Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |
|
|
| Unrecognized deferred tax assets |
$ 13,069
|
$ 13,918
|