INCOME TAXES Operating Loss Carryforward (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Operating Loss Carryforwards [Line Items]
Undistributed Earnings of Foreign Subsidiaries	$ 0	$ 0	$ 0
Year 2016 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	33,498,000
Year 2017 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	25,835,000
Year 2018 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	57,430,000
Year 2019 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	52,609,000
Year 2020 Through 2035 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	268,060,000
Thereafter [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	23,293,000
BULGARIA | Year 2016 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	0
BULGARIA | Year 2017 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	0
BULGARIA | Year 2018 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	0
BULGARIA | Year 2019 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	6,182,000
BULGARIA | Year 2020 Through 2035 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	0
BULGARIA | Thereafter [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	0
CZECH REPUBLIC | Year 2016 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	559,000
CZECH REPUBLIC | Year 2017 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	3,000
CZECH REPUBLIC | Year 2018 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	0
CZECH REPUBLIC | Year 2019 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	0
CZECH REPUBLIC | Year 2020 Through 2035 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	0
CZECH REPUBLIC | Thereafter [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	0
NETHERLANDS | Year 2016 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	27,190,000
NETHERLANDS | Year 2017 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	25,832,000
NETHERLANDS | Year 2018 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	57,430,000
NETHERLANDS | Year 2019 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	46,427,000
NETHERLANDS | Year 2020 Through 2035 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	268,060,000
NETHERLANDS | Thereafter [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	0
SLOVAKIA | Year 2016 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	5,749,000
SLOVAKIA | Year 2017 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	0
SLOVAKIA | Year 2018 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	0
SLOVAKIA | Year 2019 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	0
SLOVAKIA | Year 2020 Through 2035 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	0
SLOVAKIA | Thereafter [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	0
Slovenia [Member] | Year 2016 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	0
Slovenia [Member] | Year 2017 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	0
Slovenia [Member] | Year 2018 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	0
Slovenia [Member] | Year 2019 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	0
Slovenia [Member] | Year 2020 Through 2035 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	0
Slovenia [Member] | Thereafter [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	21,898,000
UNITED KINGDOM | Year 2016 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	0
UNITED KINGDOM | Year 2017 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	0
UNITED KINGDOM | Year 2018 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	0
UNITED KINGDOM | Year 2019 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	0
UNITED KINGDOM | Year 2020 Through 2035 [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	0
UNITED KINGDOM | Thereafter [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 1,395,000
Minimum [Member] | UNITED KINGDOM
Operating Loss Carryforwards [Line Items]
Income Tax Examination, Year under Examination	2015
Minimum [Member] | Slovenia [Member]
Operating Loss Carryforwards [Line Items]
Income Tax Examination, Year under Examination	2008
Minimum [Member] | SLOVAKIA
Operating Loss Carryforwards [Line Items]
Income Tax Examination, Year under Examination	2010
Minimum [Member] | ROMANIA
Operating Loss Carryforwards [Line Items]
Income Tax Examination, Year under Examination	2014
Minimum [Member] | NETHERLANDS
Operating Loss Carryforwards [Line Items]
Income Tax Examination, Year under Examination	2014
Minimum [Member] | CZECH REPUBLIC
Operating Loss Carryforwards [Line Items]
Income Tax Examination, Year under Examination	2011
Minimum [Member] | CROATIA
Operating Loss Carryforwards [Line Items]
Income Tax Examination, Year under Examination	2012
Minimum [Member] | BULGARIA
Operating Loss Carryforwards [Line Items]
Income Tax Examination, Year under Examination	2010