FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - Disclosure of detailed information about financial assets and liabilities measured at fair value on a recurring basis (Details) - USD ($) $ in Thousands |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
| Disclosure of fair value measurement of assets [line items] |
|
|
|
| Investments |
$ 11,200
|
$ 4,767
|
$ 69
|
| Deferred share units |
5,682
|
$ 6,389
|
|
| Total [Member] |
|
|
|
| Disclosure of fair value measurement of assets [line items] |
|
|
|
| Investments |
11,200
|
|
|
| Trade and other receivables |
14,462
|
|
|
| Total financial assets |
25,662
|
|
|
| Deferred share units |
5,682
|
|
|
| Total financial liabilities |
5,795
|
|
|
| Level 1 [Member] |
|
|
|
| Disclosure of fair value measurement of assets [line items] |
|
|
|
| Investments |
11,151
|
|
|
| Trade and other receivables |
9,711
|
|
|
| Total financial assets |
20,862
|
|
|
| Deferred share units |
5,682
|
|
|
| Total financial liabilities |
5,682
|
|
|
| Level 2 [Member] |
|
|
|
| Disclosure of fair value measurement of assets [line items] |
|
|
|
| Investments |
0
|
|
|
| Trade and other receivables |
4,751
|
|
|
| Total financial assets |
4,751
|
|
|
| Deferred share units |
0
|
|
|
| Total financial liabilities |
113
|
|
|
| Level 3 [Member] |
|
|
|
| Disclosure of fair value measurement of assets [line items] |
|
|
|
| Investments |
49
|
|
|
| Trade and other receivables |
0
|
|
|
| Total financial assets |
49
|
|
|
| Deferred share units |
0
|
|
|
| Total financial liabilities |
$ 0
|
|
|