Annual report pursuant to Section 13 and 15(d)

LONG-LIVED ASSETS (Goodwill Assessment) (Details)

v3.3.1.900
LONG-LIVED ASSETS (Goodwill Assessment) (Details)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2014
USD ($)
Dec. 31, 2015
USD ($)
reporting_unit
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Goodwill [Line Items]        
Number of reporting units | reporting_unit   7    
Maximum number of years for goodwill quantitative assessment   5 years    
Goodwill impairment | $ $ 134,961 $ 0 $ 134,961 $ 0
Concerts [Member]        
Goodwill [Line Items]        
Goodwill impairment | $     117,013  
Artist Nation [Member]        
Goodwill [Line Items]        
Goodwill impairment | $     17,948  
Qualitative Review [Member]        
Goodwill [Line Items]        
Number of reporting units | reporting_unit   2    
Reporting unit percentage of goodwill   13.00%    
Number of reporting units with positive financial results | reporting_unit   1    
Quantitative Analysis [Member]        
Goodwill [Line Items]        
Number of reporting units | reporting_unit   3    
Reporting unit percentage of goodwill   67.00%    
Qualitative Review & Quantitative Analysis [Member]        
Goodwill [Line Items]        
Number of reporting units | reporting_unit   2    
Reporting unit percentage of goodwill   20.00%    
Operating Segments [Member] | Concerts [Member]        
Goodwill [Line Items]        
Goodwill impairment | $     117,013  
Operating Segments [Member] | Artist Nation [Member]        
Goodwill [Line Items]        
Goodwill impairment | $     $ 17,948