INCOME TAXES - Reconciliation of Tax Benefit (Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Current
Federal	$ 0	$ 925	$ 0
State	(502)	(174)	30
Total current	(502)	751	30
Deferred
Federal	0	1,951	(1,744)
State	(66)	1,428	(301)
Total deferred	(66)	3,379	(2,045)
Tax benefit (expense)	$ (568)	$ 4,130	$ (2,015)

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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