Stock-based Compensation - Stock-Based Compensation Costs (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	$ 2,297	$ 1,639	$ 10,389	$ 17,250
Amount capitalized to software development	365	337	959	1,266
Total stock-based compensation cost	2,662	1,976	11,348	18,516
Sales and marketing
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	587	956	2,180	4,839
Product development
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	944	1,065	3,226	3,993
General and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense	$ 766	$ (382)	$ 4,983	$ 8,418