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LEASE LIABILITIES Rent Expense (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2019
USD ($)
Disclosure of quantitative information about leases for lessee [abstract]  
Short-term leases $ 2,298
Leases of low value assets 70
Variable lease payments 1,025
Rent expense relating to payments not included in the measurements of lease liabilities $ 3,393