Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Condensed Consolidated Statements of Operations
Revenue	$ 70,769	$ 51,340	$ 133,330	$ 78,083
Operating expenses(1):
Cost of revenue	28,558	19,500	49,747	25,429
Selling and marketing	28,826	23,122	54,569	37,762
Product and technology	15,777	11,050	30,009	22,841
General and administrative	28,405	20,611	55,103	44,625
Total operating expenses	101,566	74,283	189,428	130,658
Operating loss	(30,797)	(22,943)	(56,098)	(52,575)
Other income (expense):
Interest expense	(1,858)	(1,216)	(4,151)	(2,439)
Change in fair value of earnout liability	2,587	(4,032)	13,766	(22,801)
Change in fair value of private warrant liability	4,078	(4,303)	14,267	(20,212)
Gain on extinguishment of debt		8,243		8,243
Investment income and realized gains, net of investment expenses	243	387	440	397
Other expense, net	(162)	(165)	(107)	(91)
Total other income (expense)	4,888	(1,084)	24,215	(36,904)
Loss before income taxes	(25,909)	(24,027)	(31,883)	(89,479)
Income tax benefit (expense)	(468)	7,731	(290)	8,081
Net loss	$ (26,377)	$ (16,296)	$ (32,173)	$ (81,398)
Loss per share - basic (in dollars per share)	$ (0.27)	$ (0.17)	$ (0.33)	$ (0.89)
Loss per share - diluted (in dollars per share)	$ (0.27)	$ (0.17)	$ (0.33)	$ (0.89)
Weighted-average shares used in computing net loss attributable per share to common stockholders:
Shares used in computing basic loss per share	97,142,163	95,221,928	96,611,294	91,483,053
Shares used in computing diluted loss per share	97,142,163	95,221,928	96,611,294	91,483,053