INCOME TAXES (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2019	Dec. 31, 2018
Prepayment received	$ 13,400
Increase in borrowing capacity		$ 49,500
Deferred Tax Asset Increased due to valuation allowance	57,700
Federal NOLs	$ 210,200	210,200
Corporate tax rate (as percentage)	21.00%
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent	6.46%
Pre-tax federal NOLs	$ 374,900	$ 374,900	$ 396,100
Beginning expiration date for pre-tax federal NOLs		Jan. 01, 2028
Carrying Value	201,816	$ 201,816	$ 149,187
Other Assets [Member]
Income taxes receivable, current	100	100
Revolving Credit Facility [Member]
Borrowing capacity	100,000	100,000
Carrying Value	$ 94,500	$ 94,500