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OTHER RECEIVABLES (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
OTHER RECEIVABLES    
Partners and commercial managements $ 1,900  
Derivative financial instruments 500 $ 3,700
Tax receivables 1,500 1,200
Other 2,300 2,600
Balance as of 31 December $ 6,168 $ 7,488