Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation Plans and Awards - Schedule of Stock-Based Compensation Expenses Related to All Employee and Non-employee Stock-based Awards (Details)

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Stock-based Compensation Plans and Awards - Schedule of Stock-Based Compensation Expenses Related to All Employee and Non-employee Stock-based Awards (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Stock-based compensation expenses:        
Total stock-based compensation expense $ 32,754 $ 28,794 $ 103,841 $ 79,473
Cost of revenue - Other        
Stock-based compensation expenses:        
Total stock-based compensation expense 1,538 1,427 4,559 4,040
Cost of revenue - Ticketing service        
Stock-based compensation expenses:        
Total stock-based compensation expense 27 0 154 0
Product development        
Stock-based compensation expenses:        
Total stock-based compensation expense 7,347 6,189 23,091 16,148
Sales and marketing        
Stock-based compensation expenses:        
Total stock-based compensation expense 14,932 13,732 43,673 38,403
General and administrative        
Stock-based compensation expenses:        
Total stock-based compensation expense $ 8,910 $ 7,446 32,364 $ 20,882
Executive severance        
Stock-based compensation expenses:        
Total stock-based compensation expense     $ 6,800