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LONG-TERM INVESTMENTS (Details3) (USD $)
12 Months Ended 3 Months Ended 12 Months Ended 7 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2012
Marketable equity security
Dec. 31, 2013
Marketable equity security
Dec. 31, 2012
Marketable equity security
Dec. 31, 2011
Meetic
Aug. 31, 2011
Meetic
Dec. 31, 2012
The Newsweek/Daily Beast Company (United States)
May 31, 2012
The Newsweek/Daily Beast Company (United States)
Sep. 30, 2011
Zhenai
Long-term investments                      
Percentage of ownership interest acquired                     20.00%
Other-than-temporary impairment charge to write-down investment $ 5,000,000                    
Long-term marketable equity securities                      
Cost basis       42,100,000 8,800,000 42,100,000          
Gross unrealized gains 4,784,000 6,996,000     3,000,000            
Gross unrealized losses 0 0       10,800,000          
Other than temporary impairment recognized in earnings 5,268,000 8,685,000    8,700,000              
Period in unrealized loss position   1 year                  
Percentage fair value less than cost   50.00%                  
Mark to Market Adjustment for Previously Held Equity Method Investment Pre-tax             $ 11,700,000   $ 18,600,000    
Percent ownership               27.00%   50.00%