Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Income Statement [Abstract]
Revenue	$ 52,314	$ 30,063
Cost of revenue	12,067	9,444
Gross profit	40,247	20,619
Operating expenses:
Marketing	26,958	12,773
Selling, general, and administrative	61,698	14,064
Total operating expenses	88,656	26,837
Loss from operations	(48,409)	(6,218)
Other income (expense):
Interest expense	0	(10)
Other (expense) income, net	(2,905)	230
Loss before provision for income taxes	(51,314)	(5,998)
Provision for income taxes	(90)	(35)
Net loss	(51,404)	(6,033)
Other comprehensive loss	(61)	(42)
Total comprehensive loss	$ (51,465)	$ (6,075)
Net loss per share attributable to common stockholders:
Basic (in dollars per share)	$ (0.34)	$ (0.17)
Diluted (in dollars per share)	$ (0.34)	$ (0.17)
Weighted average shares outstanding:
Basic (in shares)	153,080,538	34,610,061
Diluted (in shares)	153,080,538	34,610,061