Consolidated Statements of Mezzanine Equity and Stockholders' Equity (Deficit) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit	Redeemable Convertible Preferred Stock
Mezzanine equity, beginning balance (in shares) at Dec. 31, 2020						93,328,118
Mezzanine equity, beginning balance at Dec. 31, 2020						$ 249,962
Increase (Decrease) in Temporary Equity [Roll Forward]
Pre-closing stock repurchase, net of exercise of vested options (in shares)						(206,511)
Pre-closing stock repurchase, net of exercise of vested options						$ (125)
Conversion of convertible securities (in shares)						(93,121,607)
Conversion of convertible securities						$ (249,837)
Mezzanine equity, ending balance (in shares) at Dec. 31, 2021						0
Mezzanine equity, ending balance at Dec. 31, 2021						$ 0
Beginning balance (in shares) at Dec. 31, 2020		52,967,106
Beginning balance at Dec. 31, 2020	$ (146,874)	$ 5	$ 24,424	$ (11)	$ (171,292)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock repurchased during period (in shares)		(1,817,519)
Stock repurchased during period	(21,902)		(21,902)
Conversion of redeemable convertible preferred stock to common stock (in shares)		93,121,607
Conversion of redeemable convertible preferred stock to common stock	249,837	$ 9	249,828
Repayment of related-party promissory notes associated with vested shares	854		854
Forfeiture of related-party promissory notes (in shares)		(370,734)
Conversion of Series D preferred stock warrants to Class A common warrants	1,160		1,160
Exercise of Class A common stock warrants (in shares)		1,867,380
Exercise of Class A common stock warrants	21,679		21,679
Issuance of common stock upon Merger, net of transaction costs (in shares)		24,142,244
Issuance of common stock upon Merger, net of transaction costs	129,659	$ 2	129,657
Issuance of PIPE shares (in shares)		7,500,000
Issuance of PIPE shares	75,000	$ 1	74,999
Warrant expense in connection with Merger	154		154
Issuance of Merger earn-out shares to common stockholders (in shares)		14,153,520
Issuance of Merger earn-out shares to common stockholders	1	$ 1
Issuance of common stock for acquisition of businesses (in shares)		8,699,815
Issuance of common stock for acquisition of businesses	52,614	$ 1	52,613
Exercise of vested stock options (in shares)		1,382,978
Exercise of vested stock options	1,259	$ 1	1,258
Vesting of early exercised stock options (in shares)		(2,812)
Vesting of early exercised stock options, net of cancelations	227		227
Stock-based compensation	67,767		67,767
Issuance of common stock upon vesting of RSUs, net of shares withheld for taxes (in shares)		1,189,786
Payments for taxes related to net share settlement of equity awards	(5,998)		(5,998)
Issuance of common stock upon Class A common stock warrant redemption (in shares)		1,958,615
Issuance of common stock upon Class A common stock warrant redemption	16,967		16,967
Other comprehensive income (loss)	(126)			(126)
Net loss	(107,659)				(107,659)
Ending balance (in shares) at Dec. 31, 2021		204,791,986
Ending balance at Dec. 31, 2021	334,619	$ 20	613,687	(137)	(278,951)
Mezzanine equity, ending balance (in shares) at Dec. 31, 2022						0
Mezzanine equity, ending balance at Dec. 31, 2022						$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of vested stock options (in shares)		1,611,687
Exercise of vested stock options	2,246	$ 1	2,245
Vesting of early exercised stock options, net of cancelations	197		197
Stock-based compensation	43,220		43,220
Issuance of common stock upon vesting of RSUs, net of shares withheld for taxes (in shares)		1,632,111
Payments for taxes related to net share settlement of equity awards	(3,901)		(3,901)
Stock issued during period, shares, employee stock purchase plans (in shares)		393,528
Stock Issued During Period, Value, Employee Stock Purchase Plan	1,178		1,178
Other comprehensive income (loss)	(140)			(140)
Net loss	(65,678)				(65,678)
Ending balance (in shares) at Dec. 31, 2022		208,429,312
Ending balance at Dec. 31, 2022	311,741	$ 21	656,626	(277)	(344,629)
Mezzanine equity, ending balance (in shares) at Dec. 31, 2023						0
Mezzanine equity, ending balance at Dec. 31, 2023						$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of vested stock options (in shares)		1,222,548
Exercise of vested stock options	2,322		2,322
Stock-based compensation	67,156		67,156
Issuance of common stock upon vesting of RSUs, net of shares withheld for taxes (in shares)		3,472,456
Payments for taxes related to net share settlement of equity awards	(14,096)		(14,096)
Stock issued during period, shares, employee stock purchase plans (in shares)		594,885
Stock Issued During Period, Value, Employee Stock Purchase Plan	2,298		2,298
Stock repurchased and retired during period (in shares)		237,458
Repurchases and retirement of common stock	1,999		1,999
Other comprehensive income (loss)	153			153
Net loss	(23,546)				(23,546)
Ending balance (in shares) at Dec. 31, 2023		213,481,743
Ending balance at Dec. 31, 2023	$ 344,029	$ 21	$ 712,307	$ (124)	$ (368,175)