INCOME TAXES Jurisdictions (Details) - Minimum [Member]	12 Months Ended
	Dec. 31, 2017
BULGARIA
Income Tax Examination, Year under Examination	2013
CZECH REPUBLIC
Income Tax Examination, Year under Examination	2012
THE NETHERLANDS [Member]
Income Tax Examination, Year under Examination	2015
ROMANIA
Income Tax Examination, Year under Examination	2014
Slovak Republic [Member]
Income Tax Examination, Year under Examination	2010
UNITED KINGDOM [Member]
Income Tax Examination, Year under Examination	2016