Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Income Statement [Abstract]
Revenue	$ 225,479	$ 214,083
Cost of revenue	154,667	155,945
Gross profit	70,812	58,138
Operating expenses
Technology and development	46,429	47,663
Marketing	24,878	40,403
General and administrative	67,873	69,439
Restructuring and reorganization	889	1,053
Total operating expenses	140,069	158,558
Loss from continuing operations	(69,257)	(100,420)
Interest income	1,832	3,406
Interest expense	(4,874)	(1,922)
Income tax benefit (expense)	172	(410)
Gain on extinguishment of convertible senior notes	5,686	42,270
Other expense, net	(333)	(234)
Net loss from continuing operations	(66,774)	(57,310)
Net loss from discontinued operations	0	(3,488)
Net loss	(66,774)	(60,798)
Dividends on convertible preferred stock	(233)	(226)
Net loss from continuing operations attributable to common stock—basic and diluted	$ (67,007)	$ (57,536)
Net loss per share attributable to common stock - basic (in dollars per share)	$ (0.57)	$ (0.52)
Income (Loss) from Continuing Operations, Per Diluted Share	$ (0.57)	$ (0.52)
Net loss attributable to common stock - basic	$ (67,007)	$ (61,024)
Net loss per share attributable to common stock - basic (in dollars per share)	$ (0.57)	$ (0.55)
Weighted average shares - basic (in shares)	118,364,267	110,103,598
Weighted-average shares to compute net loss per share attributable to common stock—basic and diluted	118,364,267	110,103,598
Net loss per share attributable to common stock - diluted (in dollars per share)	$ (0.57)	$ (0.55)
Other comprehensive income (loss)
Foreign currency translation adjustments	$ (3)	$ 58
Unrealized gain (loss) on available-for-sale debt securities	40	(424)
Comprehensive loss	$ (66,737)	$ (61,164)