Stock-based Compensation - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Capitalized website development and internal-use software costs excluded from stock-based compensation expense	$ 1,265	$ 866	$ 2,471	$ 1,435
Total payments for employees' tax obligations to taxing authorities due to net share settlements and cashless exercises of options	$ 5,830	$ 3,167	$ 11,260	$ 8,208
Class A Common Stock
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Employee tax withholding requirements and option costs due to net share settlement	147,533	126,703	303,269	289,653