INCOME TAXES - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
INCOME TAXES
Federal NOLs	$ 167,800		$ 160,200
U.S. statutory tax rate	21.00%	35.00%
State income tax benefits			1,000
Operating Loss Carryforwards, Expiration Term	20 years
Tax Credit Carryforward, Amount	$ 150
Income Tax Expense (Benefit)	$ 0	$ 0	$ 26,600