Condensed Consolidated Statements of Operations (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Stock based compensation expense	$ 5,089	$ 5,884	$ 20,645	$ 29,361
Cost of revenue.
Stock based compensation expense				1
Selling and marketing
Stock based compensation expense	1,689	1,382	3,592	4,888
Product and technology
Stock based compensation expense	911	1,367	3,888	5,522
General and administrative
Stock based compensation expense	$ 2,489	$ 3,135	$ 13,165	$ 18,950