Subsequent Events (Details) $ / shares in Units, $ in Thousands								1 Months Ended	9 Months Ended
	Nov. 21, 2022 USD ($) $ / shares shares	Nov. 08, 2022 USD ($) trading_day $ / shares	Oct. 25, 2022 installment $ / shares shares	Oct. 19, 2022 USD ($) $ / shares shares	Oct. 19, 2022 USD ($) $ / shares shares	Oct. 15, 2022 $ / shares shares	Oct. 10, 2022 USD ($) $ / shares shares	Sep. 14, 2022 USD ($) shares	Sep. 30, 2022 shares	Nov. 03, 2022 shares	Aug. 14, 2022 $ / shares	Jul. 26, 2022 $ / shares	Dec. 31, 2021 shares
Subsequent Event [Line Items]
Common stock, shares authorized (in shares)									825,000,000
Class A Common Stock
Subsequent Event [Line Items]
Conversion of convertible securities (in shares)									64,843,850
Common stock, shares authorized (in shares)									750,000,000				750,000,000
Notes payable | Amended ATW Convertible Notes
Subsequent Event [Line Items]
Principal amount of convertible debt | $								$ 67,218
Conversion of convertible securities (in shares)								64,843,850
Conversion price (in dollars per share) | $ / shares												$ 10
Notes payable | Bridge Notes
Subsequent Event [Line Items]
Conversion price (in dollars per share) | $ / shares											$ 2.69
Subsequent Event
Subsequent Event [Line Items]
Common stock, shares authorized (in shares)										900,000,000
Subsequent Event | Restricted Stock Units
Subsequent Event [Line Items]
Awards granted (in dollars per share) | $ / shares						$ 0.50
Subsequent Event | Restricted Stock Units | Share-based Payment Arrangement, Tranche One
Subsequent Event [Line Items]
Vesting, percentage			25.00%
Subsequent Event | Restricted Stock Units | Share-based Payment Arrangement, Tranche Two
Subsequent Event [Line Items]
Vesting, percentage			37.50%
Vesting installments | installment			4
Subsequent Event | Restricted Stock Units | Share-Based Payment Arrangement, Tranche Three
Subsequent Event [Line Items]
Vesting, percentage			37.50%
Vesting installments | installment			3
Subsequent Event | Restricted Stock Units | 2021 SI Plan
Subsequent Event [Line Items]
Awards granted (in shares)			1,379,310			1,393,616
Awards granted (in dollars per share) | $ / shares			$ 0.58
Subsequent Event | Amended ATW Convertible Notes
Subsequent Event [Line Items]
Principal amount of convertible debt | $					$ 2,687		$ 4,012
Subsequent Event | Amended ATW Convertible Notes | Class A Common Stock
Subsequent Event [Line Items]
Conversion of convertible securities (in shares)					5,227,837		6,269,031
Conversion price (in dollars per share) | $ / shares				$ 0.51	$ 0.51		$ 0.64
Subsequent Event | SPA Notes
Subsequent Event [Line Items]
Number of trading days | trading_day		7
Subsequent Event | SPA Notes | Class A Common Stock
Subsequent Event [Line Items]
Threshold value | $		$ 1,500
Subsequent Event | SPA Notes | Class A Common Stock | Minimum
Subsequent Event [Line Items]
Conversion price (in dollars per share) | $ / shares		$ 0.21
Subsequent Event | Notes payable | Amended ATW Convertible Notes
Subsequent Event [Line Items]
Principal amount of convertible debt | $				$ 6,699
Conversion of convertible securities (in shares)				11,496,868
Subsequent Event | Notes payable | Bridge Notes
Subsequent Event [Line Items]
Principal amount of convertible debt | $	$ 13,500
Conversion price (in dollars per share) | $ / shares	$ 0.89
Subsequent Event | Notes payable | Bridge Notes | Class A Common Stock
Subsequent Event [Line Items]
Conversion of convertible securities (in shares)	14,369,722
Subsequent Event | Notes payable | Make-Whole Amount | Minimum
Subsequent Event [Line Items]
Conversion price (in dollars per share) | $ / shares	$ 0.35
Subsequent Event | Notes payable | Make-Whole Amount | Maximum
Subsequent Event [Line Items]
Conversion price (in dollars per share) | $ / shares	$ 0.53
Subsequent Event | Notes payable | Make-Whole Amount | Class A Common Stock
Subsequent Event [Line Items]
Conversion of convertible securities (in shares)	26,910,917