Summary of Stock-based Compensation (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]
Cost of revenue	$ 35,245	$ 32,671	$ 102,422	$ 98,790
Selling and marketing	19,271	18,424	56,743	53,123
General and administrative	11,028	13,493	35,803	41,841
Total costs charged to operations	35,025	36,395	106,892	108,345
Total stock-based compensation			16,978	24,777
Stock Based Compensation [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Cost of revenue	1,205	2,772	5,050	7,602
Selling and marketing	407	810	1,275	2,149
General and administrative	2,750	4,729	10,653	15,026
Total costs charged to operations	4,362	8,311	16,978	24,777
Capitalized platform development	237	404	785	1,529
Total stock-based compensation	4,599	8,715	17,763	26,306
Restricted Stock [Member] | Stock Based Compensation [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Cost of revenue	197	901	1,655	2,800
Selling and marketing	65	61	193	207
General and administrative	1,611	2,439	6,298	7,083
Total costs charged to operations	1,873	3,401	8,146	10,090
Capitalized platform development
Total stock-based compensation	1,873	3,401	8,146	10,090
Common Stock Options [Member] | Stock Based Compensation [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Cost of revenue	1,007	1,871	3,388	4,802
Selling and marketing	342	749	1,082	1,942
General and administrative	882	2,039	3,602	6,697
Total costs charged to operations	2,231	4,659	8,072	13,441
Capitalized platform development	237	404	785	1,529
Total stock-based compensation	2,468	5,063	8,857	14,970
Warrant [Member] | Stock Based Compensation [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Cost of revenue	1		7
Selling and marketing
General and administrative	257	251	753	1,246
Total costs charged to operations	258	251	760	1,246
Capitalized platform development
Total stock-based compensation	$ 258	$ 251	$ 760	$ 1,246