INCOME TAXES Valuation Allowances (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Valuation Allowance [Line Items]
Balance at December 31, 2017	$ 133,477
Balance at December 31, 2018	103,126	$ 133,477
SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member]
Valuation Allowance [Line Items]
Balance at December 31, 2017	133,477	110,920
Created during the period	100	7,151
Utilized	(26,142)	(909)
Foreign exchange	(5,569)	15,844
Balance at December 31, 2018	103,126	133,477
Valuation Allowance Deferred Tax Asset Other	$ 1,260	$ 471