Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets - Schedule of Changes in the Carrying Amount of Goodwill (Details)

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Goodwill and Intangible Assets - Schedule of Changes in the Carrying Amount of Goodwill (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Segment Reporting Information [Line Items]        
Balance as of December 31, 2016     $ 306,691  
Goodwill impairment $ 0 $ 0 (131,997) $ 0
Goodwill related to disposed assets (103,474)   (103,474)  
Effect of currency translation adjustment     23  
Balance as of September 30, 2017 71,243   71,243  
Pandora        
Segment Reporting Information [Line Items]        
Balance as of December 31, 2016     71,650  
Goodwill impairment     (300)  
Goodwill related to disposed assets (107)   (107)  
Effect of currency translation adjustment     0  
Balance as of September 30, 2017 71,243   71,243  
Ticketfly        
Segment Reporting Information [Line Items]        
Balance as of December 31, 2016     235,041  
Goodwill impairment     (131,697)  
Goodwill related to disposed assets (103,367)   (103,367)  
Effect of currency translation adjustment     23  
Balance as of September 30, 2017 $ 0   $ 0