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LEASING - Additional Information (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Disclosure of quantitative information about right-of-use assets [line items]      
Total outflow for leases $ 2.9    
Depreciation 2.5    
Financial expenses interest 2.4 $ 2.3 $ 1.8
IAS 17      
Disclosure of quantitative information about right-of-use assets [line items]      
Financial expenses interest $ 0.4