Stockholders’ Equity - Summary of Stock-Based Compensation Expense for Employees and Nonemployees (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total stock-based compensation expense	$ 10,979	$ 11,869	$ 30,467	$ 55,259
Share-based payment arrangement, amount capitalized	100	200	400	500
Marketing
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total stock-based compensation expense	1,241	2,328	3,136	4,946
Operations and support
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total stock-based compensation expense	695	612	1,848	2,433
Technology and development
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total stock-based compensation expense	1,003	1,040	2,999	3,492
General and administrative
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total stock-based compensation expense	$ 8,040	$ 7,889	$ 22,484	$ 44,388