INCOME TAXES - (Reconciliation of Tax Positions Taken During the Year) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Reconciliation of Unrecognized Tax Benefits [Roll Forward]
Balance at January 1	$ 382	$ 585	$ 585
Increases/(decreases) for uncertain tax positions taken during the prior years	(179)	(203)	0
Balance at the end of the period	$ 203	$ 382	$ 585