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