INCOME TAXES - Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current:
Federal	$ (468)	$ (2,113)	$ 2,272
State	1,847	215	2,162
Total current provision (benefit)	1,379	(1,898)	4,434
Deferred:
Federal	107	(8,009)	(8,333)
State	(3,383)	(4,486)	1,668
Total deferred benefit	(3,276)	(12,495)	(6,665)
Total benefit from income taxes	$ (1,897)	$ (14,393)	$ (2,231)