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CONTINGENT LIABILITIES (Commitments) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Commitments and Contingencies Disclosure [Abstract]      
Minimum future rentals under operating leases - 2021 $ 2,930    
Minimum future rentals under operating leases - 2022 880    
Minimum future rentals under operating leases - 2023 40    
Leasing fees $ 3,200 $ 4,100 $ 3,100