Creator Advances, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Activity In Notes, Loans And Financing Receivable [Roll Forward]
Balance, beginning of period	$ 23,142	$ 20,076
Creator advances paid	36,081	21,466
Creator advances recouped	(30,396)	(16,158)
Write-offs and other adjustments	(5,623)	(2,774)
Balance, end of period	23,204	23,142
Creator advances, net	22,282	21,255
Creator advances, noncurrent	$ 922	1,887
Ticketea
Activity In Notes, Loans And Financing Receivable [Roll Forward]
Acquired with transaction		$ 532