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LEASES (Details) - Rent Expense Components - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Rent Expense Components [Abstract]        
Operating lease cost $ 521 $ 563 $ 1,073 $ 1,142
Sublease income (48) (37) (96) (74)
Net rent expense $ 473 $ 526 $ 977 $ 1,068