INCOME TAXES - Disclosure of deferred taxes (Details) - USD ($)
$ in Thousands |
Dec. 31, 2021 |
Dec. 31, 2020 |
| Disclosure Of Income Tax [Line Items] |
|
|
| Deferred income tax asset |
$ 936
|
$ 12,753
|
| Deferred income tax liabilities |
(1,506)
|
(1,077)
|
| Mexico operations [Member] | Deferred tax derived from income tax [Member] |
|
|
| Disclosure Of Income Tax [Line Items] |
|
|
| Deferred income tax assets (liabilities), net |
857
|
12,753
|
| Mexico operations [Member] | Deferred tax derived from income tax [Member] | Tax loss carryforwards [Member] |
|
|
| Disclosure Of Income Tax [Line Items] |
|
|
| Deferred income tax asset |
8,893
|
18,412
|
| Mexico operations [Member] | Deferred tax derived from income tax [Member] | Working capital [Member] |
|
|
| Disclosure Of Income Tax [Line Items] |
|
|
| Deferred income tax asset |
11,287
|
2,354
|
| Mexico operations [Member] | Deferred tax derived from income tax [Member] | Inventories [Member] |
|
|
| Disclosure Of Income Tax [Line Items] |
|
|
| Deferred income tax liabilities |
(7,146)
|
(1,875)
|
| Mexico operations [Member] | Deferred tax derived from income tax [Member] | Mineral properties, plant and equipment [Member] |
|
|
| Disclosure Of Income Tax [Line Items] |
|
|
| Deferred income tax liabilities |
(12,177)
|
(6,138)
|
| Mexico operations [Member] | Deferred tax derived from special mining duty [Member] |
|
|
| Disclosure Of Income Tax [Line Items] |
|
|
| Deferred income tax assets (liabilities), net |
(1,427)
|
(1,077)
|
| Mexico operations [Member] | Deferred tax derived from special mining duty [Member] | Working capital [Member] |
|
|
| Disclosure Of Income Tax [Line Items] |
|
|
| Deferred income tax liabilities |
(510)
|
(230)
|
| Mexico operations [Member] | Deferred tax derived from special mining duty [Member] | Mineral properties, plant and equipment [Member] |
|
|
| Disclosure Of Income Tax [Line Items] |
|
|
| Deferred income tax liabilities |
(1,937)
|
(624)
|
| Mexico operations [Member] | Deferred tax derived from special mining duty [Member] | Other [Member] |
|
|
| Disclosure Of Income Tax [Line Items] |
|
|
| Deferred income tax liabilities |
$ 0
|
$ (223)
|