SEGMENT DATA Total Assets (Details) - USD ($) $ in Thousands		Mar. 31, 2016	Dec. 31, 2015
Segment Reporting Information [Line Items]
Assets	[1]	$ 1,494,798	$ 1,440,417
BULGARIA [Member]
Segment Reporting Information [Line Items]
Assets		134,293	134,418
CROATIA [Member]
Segment Reporting Information [Line Items]
Assets		54,592	52,306
CZECH REPUBLIC [Member]
Segment Reporting Information [Line Items]
Assets		738,334	746,269
ROMANIA [Member]
Segment Reporting Information [Line Items]
Assets		266,944	261,984
SLOVAK REPUBLIC [Member]
Segment Reporting Information [Line Items]
Assets		124,258	121,122
SLOVENIA [Member]
Segment Reporting Information [Line Items]
Assets		74,618	70,911
Operating Segments [Member]
Segment Reporting Information [Line Items]
Assets	[1]	1,393,039	1,387,010
Corporate [Member]
Segment Reporting Information [Line Items]
Assets		$ 101,759	$ 53,407

[1] Segment assets exclude any intercompany balances.