Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenue:
Revenue from fees, net	$ 117,141	$ 313,982
Interest income	45,315	15,134
Interest expense	(7,132)	(959)
Fair value and other adjustments	(52,397)	(18,021)
Total interest income and fair value adjustments, net	(14,214)	(3,846)
Total revenue	102,927	310,136
Operating expenses:
Sales and marketing	31,438	133,449
Customer operations	40,590	48,407
Engineering and product development	110,071	49,991
General, administrative, and other	52,663	43,456
Total operating expenses	234,762	275,303
Income (loss) from operations	(131,835)	34,833
Other income (expense), net	2,597	(2,122)
Net income (loss) before income taxes	(129,238)	32,711
Provision for income taxes	16	19
Net income (loss)	$ (129,254)	$ 32,692
Net income (loss) per share, basic (in dollars per share)	$ (1.58)	$ 0.39
Net income (loss) per share, diluted (in dollars per share)	$ (1.58)	$ 0.34
Weighted-average number of shares outstanding used in computing net income (loss) per share, basic (in shares)	81,911,433	84,230,445
Weighted-average number of shares outstanding used in computing net income (loss) per share, diluted (in shares)	81,911,433	95,457,776