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CASH, CASH EQUIVALENTS AND SHORT AND LONG TERM INVESTMENTS - Long-term Investments, UiTV Media Inc. - Additional Information (Details) - ITV - USD ($) $ in Millions |  |  | 12 Months Ended | 37 Months Ended
--- | --- | --- | --- | ---
Jun. 21, 2012 | Oct. 16, 2010 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2015
Payments to acquire investments |  | $ 30.0 |  |  |  |
Aggregate cash consideration |  | $ 20.0 |  |  |  |
Interest owned after transaction |  | 75.00% |  |  |  |
Percentage of ownership lost | 49.00% |  |  |  |  |
Common Stock |  |  |  |  |  |
Aggregate purchase price |  | $ 10.0 |  |  |  |
Series A preferred stock |  |  |  |  |  |
Equity in net loss of affiliated companies |  |  |  | $ 5.3 | $ 9.6 |
Loss from equity method investment (as a percent) |  |  |  | 49.00% | 49.00% |
Convertible bonds of private company |  |  |  |  |  |
Payment to acquire available-for-sale debt securities |  |  |  |  |  | $ 35.1
Interest rate of debt securities (as a percent) |  |  | 6.50% |  |  | 6.50%
Equity in net loss of affiliated companies |  |  | $ 14.0 | $ 3.6 |  |
Loss from equity method investment (as a percent) |  |  | 100.00% | 100.00% |  |
Amount invested |  |  | $ 0.0 |  |  | $ 0.0
Investment impairment |  |  | $ 6.0 | $ 2.4 | $ 9.1 |

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