INCOME TAXES (Carrying value of DTAs) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Deferred tax assets:
Net operating loss, tax credits and other tax carryforwards	$ 122,917	$ 123,902
Cancellation of subordinated debt	3,340	3,464
Other	1,715	(2,866)
Total deferred tax assets	127,972	124,500
Less: valuation allowance	(65,373)	$ (124,500)	$ (139,987)
Total deferred tax assets, net	62,599
Deferred tax liabilities:
Other, net	(4,888)
Total deferred tax liabilities	(4,888)
Deferred tax assets, net	$ 57,711