SEGMENT DATA Total Assets (Details) - USD ($) $ in Thousands		Sep. 30, 2016	Dec. 31, 2015
Segment Reporting Information [Line Items]
Assets	[1]	$ 1,444,236	$ 1,440,417
BULGARIA [Member]
Segment Reporting Information [Line Items]
Assets		134,160	134,418
CROATIA [Member]
Segment Reporting Information [Line Items]
Assets		52,248	52,306
CZECH REPUBLIC [Member]
Segment Reporting Information [Line Items]
Assets		724,669	746,269
ROMANIA [Member]
Segment Reporting Information [Line Items]
Assets		292,242	261,984
SLOVAK REPUBLIC [Member]
Segment Reporting Information [Line Items]
Assets		125,566	121,122
SLOVENIA [Member]
Segment Reporting Information [Line Items]
Assets		71,320	70,911
Operating Segments [Member]
Segment Reporting Information [Line Items]
Assets	[1]	1,400,205	1,387,010
Corporate [Member]
Segment Reporting Information [Line Items]
Assets		$ 44,031	$ 53,407

[1] (1) Segment assets exclude any intercompany balances.