Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Revenues
Total revenue	$ 48,799	$ 37,577
Deferred revenue	8,035		$ 7,400
Revenue included in deferred revenue	2,800
Subscriber revenue
Revenues
Total revenue	$ 32,209	19,949
Subscriber revenue | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-03-31
Revenues
Revenue, remaining performance obligation, expected timing of satisfaction, period	60 days
Advertising revenue
Revenues
Total revenue	$ 15,970	15,906
Advertising revenue | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-03-31
Revenues
Revenue, remaining performance obligation, expected timing of satisfaction, period	30 days
Other revenue
Revenues
Total revenue	$ 620	$ 1,722