INCOME TAXES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Operating Loss Carryforwards [Line Items]
Effective income tax rate reconciliation, percent	(75.50%)	39.10%
Effective income tax rate reconciliation, at federal statutory income tax rate	21.00%	21.00%
Deferred tax liability, withholding tax on unremitted foreign earnings	$ 0	$ 48
NOL Carryforward, net	318,097
NOL not absorbed by former parent	13,144
Operating loss subject to expiration in the next twelve months		0
Operating loss carryforwards, section 382	224,124
Operating loss carryforwards, section 382, expected to expire prior to utilization	27,848
Deferred tax assets, operating loss carryforwards, state and local	183,732
Operating loss carryforwards, section 382, expected to expire prior to utilization, tax benefits	7,492
Operating loss carryforwards, valuation allowance	186,564
Deferred tax assets, valuation allowance, temporary differences	1,158
Unrecognized tax benefits	669	663	$ 1,574
Accrued interest and penalties	594	$ 551
Domestic Tax Authority
Operating Loss Carryforwards [Line Items]
NOL Carryforward	696,760
NOL Carryforward, net	318,097
Capital loss carryforwards, sale transaction	378,663
Operating loss carryforwards, valuation allowance	183,732
Foreign Tax Authority
Operating Loss Carryforwards [Line Items]
NOL Carryforward	12,802
Operating loss subject to expiration in the next twelve months	0
Operating loss that can carryforward indefinitely from foreign subsidiaries	6,103
Operating loss carryforwards, valuation allowance	2,832
Maximum
Operating Loss Carryforwards [Line Items]
Decrease in unrecognized tax benefits is reasonably possible	$ 200