VALUATION RESERVES (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2020	Dec. 31, 2019
SEC Schedule, 12-09, Allowance, Credit Loss [Member]
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	[1]	$ 174	$ 41
Additions Charged to Costs/Expenses (Recoveries)		34	80	[1]
Deductions		(198)	53	[1]
Balance at End of Period		10	174	[1]
SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member]
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	[1]	187,481	199,486
Additions Charged to Costs/Expenses (Recoveries)		370	(12,005)	[1]
Deductions		(129)	0	[1]
Balance at End of Period		$ 187,722	$ 187,481	[1]

[1] Includes amounts classified as discontinued operations on the consolidated balance sheet and related activity.