Consolidated Statements of Operations (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Stock based compensation expense	$ 27,041	$ 38,592	$ 11,296
Cost of revenue.
Stock based compensation expense		1	2
Selling and marketing
Stock based compensation expense	4,855	5,584	1,901
Product and technology
Stock based compensation expense	5,435	7,223	5,248
General and administrative
Stock based compensation expense	$ 16,751	$ 25,784	$ 4,145