CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Net revenue	$ 51,582	$ 70,480	$ 90,909	$ 124,832
Cost of revenue	25,527	40,332	46,398	72,867
Gross profit	26,055	30,148	44,511	51,965
Operating expense:
Selling, general, and administrative expense	33,552	46,207	73,258	88,971
Marketing expense	11,739	12,524	19,499	24,016
Restructuring expense	954	1,041	1,753	4,280
Total operating expense	46,245	59,772	94,510	117,267
Loss from operations	(20,190)	(29,624)	(49,999)	(65,302)
Net loss from the sales of businesses	(194)	0	(194)	0
Interest income	1,228	1,034	2,248	1,842
Other income (expense)	575	(71)	2,273	(145)
Loss before provision for income taxes	(18,581)	(28,661)	(45,672)	(63,605)
Income tax provision	(552)	(276)	(791)	(498)
Net loss	$ (19,133)	$ (28,937)	$ (46,463)	$ (64,103)
Net loss per share data:
Net loss per share attributable to common stockholders, basic (in dollars per share)	$ (0.12)	$ (0.19)	$ (0.30)	$ (0.43)
Net loss per share attributable to common stockholders, diluted (in dollars per share)	$ (0.12)	$ (0.19)	$ (0.30)	$ (0.43)
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic (in shares)	156,484,008	150,829,129	155,932,276	150,455,712
Weighted-average shares used in computing net loss per share attributable to common stockholders, diluted (in shares)	156,484,008	150,829,129	155,932,276	150,455,712
Other comprehensive loss:
Foreign currency translation loss	$ (312)	$ (762)	$ (1,525)	$ (532)
Total comprehensive loss	$ (19,445)	$ (29,699)	$ (47,988)	$ (64,635)