ACCOUNTS AND OTHER RECEIVABLES (Narrative) (Details) - USD ($) $ in Thousands |
Dec. 31, 2021 |
Dec. 31, 2020 |
|---|---|---|
| Disclosure Of Accounts Receivable [Line Items] | ||
| IVA receivable | $ 13,119 | $ 12,342 |
| IVA receivables current | 8,863 | 9,666 |
| IVA receivables noncurrent | 4,256 | 2,676 |
| El Cubo [Member] | ||
| Disclosure Of Accounts Receivable [Line Items] | ||
| IVA receivables current | 302 | 978 |
| IVA receivables noncurrent | 165 | |
| Guanacevi [Member] | ||
| Disclosure Of Accounts Receivable [Line Items] | ||
| IVA receivables current | 8,067 | $ 7,714 |
| IVA receivables noncurrent | 1,434 | |
| Terronera [Member] | ||
| Disclosure Of Accounts Receivable [Line Items] | ||
| IVA receivables noncurrent | $ 2,657 |