SEGMENT DATA Total Assets (Details) - USD ($) $ in Thousands		Dec. 31, 2016	Dec. 31, 2015
Segment Reporting Information [Line Items]
Assets	[1]	$ 1,390,717	$ 1,440,417
BULGARIA
Segment Reporting Information [Line Items]
Assets	[1]	130,873	134,418
CROATIA
Segment Reporting Information [Line Items]
Assets	[1]	49,135	52,306
CZECH REPUBLIC
Segment Reporting Information [Line Items]
Assets	[1]	700,190	746,269
ROMANIA
Segment Reporting Information [Line Items]
Assets	[1]	266,132	261,984
Slovak Republic [Member]
Segment Reporting Information [Line Items]
Assets	[1]	131,220	121,122
Slovenia [Member]
Segment Reporting Information [Line Items]
Assets	[1]	72,381	70,911
Total operating segments [Member]
Segment Reporting Information [Line Items]
Assets	[1]	1,349,931	1,387,010
Corporate [Member]
Segment Reporting Information [Line Items]
Assets	[1]	$ 40,786	$ 53,407

[1] Segment assets exclude any intercompany balances.