Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details)

v3.6.0.2
Summary of Significant Accounting Policies (Details)
 1 Months Ended 3 Months Ended 12 Months Ended
Mar. 31, 2015
performance_period
Mar. 31, 2014
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Accounting Policies [Abstract]            
Deferred revenue related to in-app mobile subscriptions subject to refund rights           $ 14,200,000
Increase related to in-app subscription revenue   $ 14,200,000        
Concentration Risk [Line Items]            
Actual credit losses     $ 2,000,000.0 $ 1,100,000 $ 1,100,000  
Capitalized cost, net of amortization, related to internal use software and website development costs     7,500,000      
Amortization expense on ticketing contract advances     5,700,000 700,000    
Impairment of goodwill     $ 0      
Service period over which company recognizes stock-based compensation (years)     4 years      
Advertising expenses     $ 45,700,000 35,100,000 $ 10,400,000  
MSUs            
Concentration Risk [Line Items]            
Service period over which company recognizes stock-based compensation (years)     1 year 1 month 17 days      
Number of performance periods used for measurement | performance_period 3          
Internal use software and website development            
Concentration Risk [Line Items]            
Capitalized cost, net of amortization, related to internal use software and website development costs     $ 25,700,000 $ 6,300,000    
Minimum            
Concentration Risk [Line Items]            
Estimated useful lives of assets (years)     3 years      
Life of ticketing contract term (years)     3 years      
Finite-lived intangible asset, useful life (years)     2 years      
Minimum | Internal use software and website development            
Concentration Risk [Line Items]            
Estimated useful lives of assets (years)     3 years      
Maximum            
Concentration Risk [Line Items]            
Estimated useful lives of assets (years)     5 years      
Life of ticketing contract term (years)     5 years      
Finite-lived intangible asset, useful life (years)     11 years      
Maximum | Internal use software and website development            
Concentration Risk [Line Items]            
Estimated useful lives of assets (years)     5 years