INCOME TAXES (Schedule of Components of Income Tax Expense (Benefit)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Taxes [Abstract]
Federal, Deferred provision	$ (7,751)	$ (2,670)	$ (52,878)
Federal, Total	(7,751)	(2,670)	(52,878)
Foreign, Current provision	57	84	134
Foreign, Total	57	84	134
State, Current provision		30	178
State, Deferred provision	(1,001)	612	8,143
State, Total	(1,001)	642	8,321
Provision for (benefit from) income taxes	$ (8,695)	$ (1,944)	$ (44,423)