SEGMENT DATA Reconciliation (Details) - USD ($) $ in Thousands		3 Months Ended							12 Months Ended
		Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Segment Reporting Information [Line Items]
Total OIBDA:									$ 165,532	$ 136,908	$ 109,442
Depreciation of property, plant and equipment									(26,991)	(23,106)	(21,327)
Amortization of broadcast licenses and other intangibles									(8,592)	(8,270)	(12,050)
Other items (1)	[1]								0	0	(11,982)
Operating income		$ 57,750	$ 16,022	$ 43,153	$ 13,024	$ 11,450	$ 39,718	$ 8,903	129,949	105,532	88,047
Interest expense (Note 15)									(70,633)	(111,389)	(151,767)
Loss on extinguishment of debt (Note 5)									(101)	(150,158)	0
Other non-operating income / (expense), net (Note 16)									16,321	(2,074)	(23,609)
Income / (loss) before tax									75,536	(158,089)	(87,329)
BULGARIA
Segment Reporting Information [Line Items]
Total OIBDA:									16,841	12,242	15,479
CZECH REPUBLIC
Segment Reporting Information [Line Items]
Total OIBDA:									83,600	77,018	71,697
ROMANIA
Segment Reporting Information [Line Items]
Total OIBDA:									74,435	62,016	41,176
SLOVAKIA
Segment Reporting Information [Line Items]
Total OIBDA:									24,742	15,947	10,585
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Total OIBDA:									(8)	5	26
Operating Segments [Member]
Segment Reporting Information [Line Items]
Total OIBDA:									199,610	167,228	138,963
Corporate [Member]
Segment Reporting Information [Line Items]
Total OIBDA:									$ (34,078)	$ (30,320)	$ (29,521)

[1] (1) Other items consists solely of the charges related to tax audits of our Romanian operations, which were accrued in the fourth quarter of 2014 and fully released in the third quarter of 2015.