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INCOME TAXES (Schedule of Uncertain Tax Benefits Reconciliation) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Reconciliation of Uncertain Tax Benefits [Roll Forward]      
Balance, beginning of year $ 676 $ 424 $ 754
Gross increases:      
Current year tax positions 53 273 402
Prior years' tax positions 0 0 0
Gross decreases:      
Prior years' tax positions 0 0 (777)
Statute of limitations lapses 0 (21) (17)
Other (53) 0 62
Balance, end of year $ 676 $ 676 $ 424