SEGMENT DATA Net Revenue and OIBDA (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($) operating_segment	Jun. 30, 2016 USD ($)
Segment Reporting Information [Line Items]
Net revenues	$ 181,856,000	$ 175,206,000	$ 316,858,000	$ 304,206,000
OIBDA	61,169,000	53,632,000	83,305,000	70,740,000
Depreciation	(8,293,000)	(7,627,000)	(16,052,000)	(14,912,000)
Amortization of Intangible Assets	(2,053,000)	(2,114,000)	(4,162,000)	(4,174,000)
Operating income	50,823,000	43,891,000	63,091,000	51,654,000
Interest Expense	(21,973,000)	(29,545,000)	(45,728,000)	(78,699,000)
Nonoperating Income (Expense)	7,141,000	(167,000)	9,466,000	1,249,000
(Loss) / income from continuing operations before tax and income from investment in subsidiaries	35,991,000	(135,979,000)	26,829,000	(175,954,000)
BULGARIA [Member]
Segment Reporting Information [Line Items]
Net revenues	20,774,000	20,455,000	36,079,000	36,314,000
OIBDA	3,079,000	5,954,000	4,436,000	7,023,000
CROATIA [Member]
Segment Reporting Information [Line Items]
Net revenues	16,521,000	16,559,000	27,589,000	28,204,000
OIBDA	5,171,000	4,501,000	6,257,000	5,902,000
CZECH REPUBLIC [Member]
Segment Reporting Information [Line Items]
Net revenues	53,371,000	50,919,000	92,845,000	89,527,000
OIBDA	25,553,000	23,099,000	36,512,000	33,173,000
ROMANIA [Member]
Segment Reporting Information [Line Items]
Net revenues	48,570,000	48,929,000	87,514,000	81,299,000
OIBDA	22,268,000	22,962,000	36,954,000	32,424,000
SLOVAK REPUBLIC [Member]
Segment Reporting Information [Line Items]
Net revenues	24,624,000	22,540,000	42,964,000	41,602,000
OIBDA	7,522,000	3,158,000	8,395,000	5,551,000
SLOVENIA [Member]
Segment Reporting Information [Line Items]
Net revenues	18,453,000	16,116,000	30,670,000	27,769,000
OIBDA	4,386,000	1,624,000	4,389,000	916,000
Intersegment Revenues [Member]
Segment Reporting Information [Line Items]
Net revenues	(457,000)	(312,000)	(803,000)	(509,000)
Elimination [Member]
Segment Reporting Information [Line Items]
OIBDA	39,000	(62,000)	$ 41,000	(68,000)
Operating Segments [Member]
Segment Reporting Information [Line Items]
Number of Operating Segments | operating_segment			6
OIBDA	68,018,000	61,236,000	$ 96,984,000	84,921,000
Corporate [Member]
Segment Reporting Information [Line Items]
OIBDA	$ (6,849,000)	$ (7,604,000)	$ (13,679,000)	$ (14,181,000)