Consolidated Statements of Mezzanine Equity and Stockholders' Equity (Deficit) - USD ($) $ in Thousands	Total	Previously Reported	Revision of Prior Period, Adjustment	Common Stock	Common Stock Previously Reported	Common Stock Revision of Prior Period, Adjustment	Additional Paid-In Capital	Additional Paid-In Capital Previously Reported	Additional Paid-In Capital Revision of Prior Period, Adjustment	Accumulated Other Comprehensive Income (Loss)	Accumulated Other Comprehensive Income (Loss) Previously Reported	Accumulated Deficit	Accumulated Deficit Previously Reported	Redeemable Convertible Preferred Stock	Redeemable Convertible Preferred Stock Previously Reported	Redeemable Convertible Preferred Stock Revision of Prior Period, Adjustment	Redeemable Class A Common Stock	Redeemable Class A Common Stock Previously Reported
Mezzanine equity, beginning balance (in shares) at Dec. 31, 2018														71,095,463	156,950,448	(85,854,985)	0	0
Mezzanine equity, beginning balance at Dec. 31, 2018														$ 94,151	$ 94,151		$ 0	$ 0
Increase (Decrease) in Temporary Equity [Roll Forward]
Issuance of stock, net of issuance costs (in shares)														13,418,728
Issuance of stock, net of issuance costs														$ 92,590
Reclassification associated with Class A common stock subject to redemption (in shares)																	737,058
Reclassification associated with Class A common stock subject to redemption																	$ 4,500
Mezzanine equity, ending balance (in shares) at Dec. 31, 2019														84,514,191			737,058
Mezzanine equity, ending balance at Dec. 31, 2019														$ 186,741			$ 4,500
Beginning balance (in shares) at Dec. 31, 2018				51,152,211	112,924,032	(61,771,821)
Beginning balance at Dec. 31, 2018	$ (71,357)	$ (71,357)	$ 0	$ 5	$ 0	$ 5	$ 9,754	$ 9,759	$ (5)	$ (2)	$ (2)	$ (81,114)	$ (81,114)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of Class A common stock warrants	61						61
Exercise of vested stock options (in shares)				175,328
Exercise of vested stock options	23						23
Early exercise of unvested stock options (in shares)				1,005,116
Vesting of early-exercised stock options	12						12
Forfeiture of unvested early exercised shares (in shares)				(7,138)
Stock-based compensation	8,028						8,028
Reclassification associated with Class A common stock subject to redemption (in shares)				(737,058)
Reclassification associated with Class A common stock subject to redemption	(4,500)						(4,500)
Other comprehensive (loss) income	4									4
Net income	(72,064)											(72,064)
Ending balance (in shares) at Dec. 31, 2019				51,588,459
Ending balance at Dec. 31, 2019	$ (139,793)			$ 5			13,378			2		(153,178)
Increase (Decrease) in Temporary Equity [Roll Forward]
Issuance of stock, net of issuance costs (in shares)														7,472,062
Issuance of stock, net of issuance costs														$ 51,900
Exercise of Series C redeemable convertible preferred stock warrants (in shares)														1,341,865
Exercise of Series C redeemable convertible preferred stock warrants														$ 11,321
Expiration of the Class A common stock redemption right (in shares)																	(737,058)
Expiration of the Class A common stock redemption right																	$ (4,500)
Mezzanine equity, ending balance (in shares) at Dec. 31, 2020	93,328,118													93,328,118			0
Mezzanine equity, ending balance at Dec. 31, 2020	$ 249,962													$ 249,962			$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of vested stock options (in shares)				167,655
Exercise of vested stock options	123						123
Exercise of Class A common stock warrants (in shares)				1,051,206
Exercise of Class A common stock warrants	561						561
Early exercise of unvested stock options (in shares)				17,924
Vesting of early-exercised stock options	31						31
Forfeiture of unvested early exercised shares (in shares)				(595,196)
Stock-based compensation	5,831						5,831
Expiration of the Class A common stock redemption right (in shares)				737,058
Expiration of the Class A common stock redemption right	4,500						4,500
Other comprehensive (loss) income	(13)									(13)
Net income	(18,114)											(18,114)
Ending balance (in shares) at Dec. 31, 2020				52,967,106
Ending balance at Dec. 31, 2020	$ (146,874)			$ 5			24,424			(11)		(171,292)
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													0			0
Mezzanine equity, ending balance at Dec. 31, 2021	$ 0													$ 0			$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Pre-closing stock repurchase, net of exercise of vested options (in shares)				(1,817,519)
Pre-closing stock repurchase, net of exercise of vested options	(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 vested stock options (in shares)				1,382,978
Exercise of vested stock options	1,259			$ 1			1,258
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
Vesting of early exercised stock options (in shares)				(2,812)
Vesting of early-exercised stock options	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
Issuance of common stock upon vesting of RSUs, net of shares withheld for taxes	(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 (loss) income	(126)									(126)
Net income	(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)