FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - Disclosure of credit risk exposure (Details) - USD ($) $ in Thousands |
Dec. 31, 2021 |
Dec. 31, 2020 |
| Carrying amount [Member] |
|
|
| Disclosure of fair value measurement of assets [line items] |
|
|
| Total accounts receivable |
$ 22,502
|
$ 22,871
|
| Carrying amount [Member] | Less than 1 month [Member] |
|
|
| Disclosure of fair value measurement of assets [line items] |
|
|
| Total accounts receivable |
7,531
|
10,629
|
| Carrying amount [Member] | 1 to 3 months [Member] |
|
|
| Disclosure of fair value measurement of assets [line items] |
|
|
| Total accounts receivable |
5,372
|
7,491
|
| Carrying amount [Member] | 4 to 6 months [Member] |
|
|
| Disclosure of fair value measurement of assets [line items] |
|
|
| Total accounts receivable |
1,801
|
239
|
| Carrying amount [Member] | Over 6 months [Member] |
|
|
| Disclosure of fair value measurement of assets [line items] |
|
|
| Total accounts receivable |
7,798
|
4,512
|
| Gross impairment [Member] |
|
|
| Disclosure of fair value measurement of assets [line items] |
|
|
| Total accounts receivable |
0
|
151
|
| Gross impairment [Member] | Less than 1 month [Member] |
|
|
| Disclosure of fair value measurement of assets [line items] |
|
|
| Total accounts receivable |
0
|
0
|
| Gross impairment [Member] | 1 to 3 months [Member] |
|
|
| Disclosure of fair value measurement of assets [line items] |
|
|
| Total accounts receivable |
0
|
0
|
| Gross impairment [Member] | 4 to 6 months [Member] |
|
|
| Disclosure of fair value measurement of assets [line items] |
|
|
| Total accounts receivable |
0
|
0
|
| Gross impairment [Member] | Over 6 months [Member] |
|
|
| Disclosure of fair value measurement of assets [line items] |
|
|
| Total accounts receivable |
$ 0
|
$ 151
|