SEGMENT DATA Capital Expenditure (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Segment Reporting Information [Line Items]
Capital expenditures	$ 8,560	$ 11,882	$ 19,847	$ 26,344
BULGARIA [Member]
Segment Reporting Information [Line Items]
Capital expenditures	1,840	1,614	2,828	3,077
CROATIA [Member]
Segment Reporting Information [Line Items]
Capital expenditures	305	1,273	1,385	2,208
CZECH REPUBLIC [Member]
Segment Reporting Information [Line Items]
Capital expenditures	1,454	4,415	4,317	8,991
ROMANIA [Member]
Segment Reporting Information [Line Items]
Capital expenditures	2,693	2,298	5,027	4,885
SLOVAK REPUBLIC [Member]
Segment Reporting Information [Line Items]
Capital expenditures	462	460	1,286	2,207
SLOVENIA [Member]
Segment Reporting Information [Line Items]
Capital expenditures	1,523	927	3,238	2,487
Operating Segments [Member]
Segment Reporting Information [Line Items]
Capital expenditures	8,277	10,987	18,081	23,855
Corporate [Member]
Segment Reporting Information [Line Items]
Capital expenditures	$ 283	$ 895	$ 1,766	$ 2,489