CASH AND CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS; OTHER NON-CURRENT ASSETS (Details 2)	Mar. 04, 2015 Telcrest Investments Limited USD ($)	Dec. 31, 2014 Telcrest Investments Limited USD ($)	Mar. 20, 2014 Telcrest Investments Limited Minimum	Mar. 31, 2015 CTC and Domashny Networks Advance Towards Construction of Digital Infrastructure Digital Broadcasting in Cities Populations Less than 50000 USD ($)	Mar. 31, 2015 CTC and Domashny Networks Advance Towards Construction of Digital Infrastructure Digital Broadcasting in Cities Populations Less than 50000 RUB
Other non-current assets
Ownership interest (as a percent)			50.00%
Amount of dividends payable blocked	$ 6,921,000	$ 27,684,000
Advance payments				$ 7,600,000	444,000,000