Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands		Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2022		397,025
Beginning balance at Dec. 31, 2022		$ 814,827	$ 40	$ 2,263,322	$ (1,448,535)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options exercised (in shares)		192
Stock options exercised		$ 895		895
Stock-based compensation		$ 28,263		28,263
Vesting and settlement of restricted stock units (in shares)		1,668
Common stock withheld for tax obligations and net settlement (in shares)		(666)
Common stock withheld related to net share settlement		$ (3,710)		(3,710)
Repurchases of Class A common stock (in shares)		(1,570)
Repurchases of Class A common stock		$ (9,517)		(9,517)
Net income (loss)		$ (3,290)			(3,290)
Ending balance (in shares) at Mar. 31, 2023		396,649
Ending balance at Mar. 31, 2023		$ 827,468	40	2,279,253	(1,451,825)
Beginning balance (in shares) at Dec. 31, 2022		397,025
Beginning balance at Dec. 31, 2022		$ 814,827	40	2,263,322	(1,448,535)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		$ 17,001
Ending balance (in shares) at Sep. 30, 2023		398,362
Ending balance at Sep. 30, 2023		$ 881,273	40	2,312,767	(1,431,534)
Beginning balance (in shares) at Mar. 31, 2023		396,649
Beginning balance at Mar. 31, 2023		$ 827,468	40	2,279,253	(1,451,825)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options exercised (in shares)		204
Stock options exercised		$ 560		560
Stock-based compensation		$ 21,354		21,354
Vesting and settlement of restricted stock units (in shares)		2,148
Common stock withheld for tax obligations and net settlement (in shares)		(827)
Common stock withheld related to net share settlement		$ (4,526)		(4,526)
Repurchases of Class A common stock (in shares)		(1,663)
Repurchases of Class A common stock		$ (8,920)		(8,920)
Issuance of common stock through employee stock purchase plan (in shares)		161
Issuance of common stock through employee stock purchase plan		$ 649		649
Net income (loss)		$ 58,786			58,786
Ending balance (in shares) at Jun. 30, 2023		396,672
Ending balance at Jun. 30, 2023		$ 895,371	40	2,288,370	(1,393,039)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options exercised (in shares)		1,138
Stock options exercised		$ 3,118		3,118
Stock-based compensation		$ 36,346		36,346
Vesting and settlement of restricted stock units (in shares)		2,749
Common stock withheld for tax obligations and net settlement (in shares)		(1,059)
Common stock withheld related to net share settlement		$ (7,355)		(7,355)
Repurchases of Class A common stock (in shares)		(1,138)
Repurchases of Class A common stock		$ (7,712)		(7,712)
Net income (loss)		$ (38,495)			(38,495)
Ending balance (in shares) at Sep. 30, 2023		398,362
Ending balance at Sep. 30, 2023		$ 881,273	40	2,312,767	(1,431,534)
Beginning balance (in shares) at Dec. 31, 2023		394,087
Beginning balance at Dec. 31, 2023		$ 761,958	40	2,219,321	(1,457,403)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options exercised (in shares)		604
Stock options exercised		$ 2,666		2,666
Stock-based compensation		$ 28,891		28,891
Vesting and settlement of restricted stock units (in shares)		2,535
Common stock withheld for tax obligations and net settlement (in shares)		(954)
Common stock withheld related to net share settlement		$ (6,623)		(6,623)
Repurchases of Class A common stock (in shares)	[1]	(21,329)
Repurchases of Class A common stock	[1]	$ (154,814)	(2)	(154,812)
Net income (loss)		$ (1,009)			(1,009)
Ending balance (in shares) at Mar. 31, 2024		374,943
Ending balance at Mar. 31, 2024		$ 631,069	38	2,089,443	(1,458,412)
Beginning balance (in shares) at Dec. 31, 2023		394,087
Beginning balance at Dec. 31, 2023		$ 761,958	40	2,219,321	(1,457,403)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		$ 9,650
Ending balance (in shares) at Sep. 30, 2024		380,796
Ending balance at Sep. 30, 2024		$ 696,434	38	2,144,149	(1,447,753)
Beginning balance (in shares) at Mar. 31, 2024		374,943
Beginning balance at Mar. 31, 2024		$ 631,069	38	2,089,443	(1,458,412)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options exercised (in shares)		1,454
Stock options exercised		$ 8,947		8,947
Stock-based compensation		$ 30,885		30,885
Vesting and settlement of restricted stock units (in shares)		3,262
Common stock withheld for tax obligations and net settlement (in shares)		(1,231)
Common stock withheld related to net share settlement		$ (9,343)		(9,343)
Repurchases of Class A common stock	[1]	$ 290		290
Issuance of common stock through employee stock purchase plan (in shares)		179
Issuance of common stock through employee stock purchase plan		$ 857
Net income (loss)		$ 6,694			6,694
Ending balance (in shares) at Jun. 30, 2024		378,607
Ending balance at Jun. 30, 2024		$ 669,399	38	2,121,079	(1,451,718)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options exercised (in shares)		1,106
Stock options exercised		$ 6,679		6,679
Stock-based compensation		$ 30,604		30,604
Vesting and settlement of restricted stock units (in shares)		3,026
Common stock withheld for tax obligations and net settlement (in shares)		(1,187)
Common stock withheld related to net share settlement		$ (8,959)		(8,959)
Repurchases of Class A common stock	[1]	(5,254)		(5,254)
Net income (loss)		$ 3,965
Ending balance (in shares) at Sep. 30, 2024		380,796
Ending balance at Sep. 30, 2024		$ 696,434	$ 38	$ 2,144,149	$ (1,447,753)

[1] Repurchases of Class A common stock for the three months ended March 31, 2024 include 20.9 million shares repurchased from related parties (after giving effect to the automatic conversion of Class B common stock to Class A common stock upon such repurchase) for an aggregate consideration of $151.4 million. See "Note 9. Stockholders' Equity" for additional information.