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Preferred Stock and Convertible Preferred Stock (Details) - USD ($) | Dec. 31, 2021 | Dec. 31, 2020
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Class of Stock [Line Items] |  |
Preferred stock, shares authorized (in shares) | 200,000,000 | 127,097,070
Shares issued (in shares) | 0 | 121,352,684
Shares outstanding (in shares) | 0 | 121,352,684
Net carrying value | $ 0 | $ 0
Aggregate liquidation preference |  | $ 387,841,000
Series A |  |
Class of Stock [Line Items] |  |
Preferred stock, shares authorized (in shares) |  | 15,483,330
Shares issued (in shares) |  | 15,483,318
Shares outstanding (in shares) |  | 15,483,318
Net carrying value |  | $ 6,081,000
Aggregate liquidation preference |  | $ 6,107,000
Series B |  |
Class of Stock [Line Items] |  |
Preferred stock, shares authorized (in shares) |  | 12,180,448
Shares issued (in shares) |  | 12,180,443
Shares outstanding (in shares) |  | 12,180,443
Net carrying value |  | $ 10,642,000
Aggregate liquidation preference |  | $ 10,975,000
Series B-1 |  |
Class of Stock [Line Items] |  |
Preferred stock, shares authorized (in shares) |  | 8,382,809
Shares issued (in shares) |  | 8,382,807
Shares outstanding (in shares) |  | 8,382,807
Net carrying value |  | $ 9,927,000
Aggregate liquidation preference |  | $ 10,000,000
Series C |  |
Class of Stock [Line Items] |  |
Preferred stock, shares authorized (in shares) |  | 15,583,719
Shares issued (in shares) |  | 15,583,713
Shares outstanding (in shares) |  | 15,583,713
Net carrying value |  | $ 37,923,000
Aggregate liquidation preference |  | $ 38,000,000
Series D |  |
Class of Stock [Line Items] |  |
Preferred stock, shares authorized (in shares) |  | 33,334,113
Shares issued (in shares) |  | 31,643,142
Shares outstanding (in shares) |  | 31,643,142
Net carrying value |  | $ 111,302,000
Aggregate liquidation preference |  | $ 112,732,000
Series D-1 |  |
Class of Stock [Line Items] |  |
Preferred stock, shares authorized (in shares) |  | 4,317,726
Shares issued (in shares) |  | 548,032
Shares outstanding (in shares) |  | 548,032
Net carrying value |  | $ 2,158,000
Aggregate liquidation preference |  | $ 2,158,000
Series E |  |
Class of Stock [Line Items] |  |
Preferred stock, shares authorized (in shares) |  | 27,624,259
Shares issued (in shares) |  | 27,624,249
Shares outstanding (in shares) |  | 27,624,249
Net carrying value |  | $ 130,945,000
Aggregate liquidation preference |  | $ 131,311,000
Series F |  |
Class of Stock [Line Items] |  |
Preferred stock, shares authorized (in shares) |  | 10,190,666
Shares issued (in shares) |  | 9,906,980
Shares outstanding (in shares) |  | 9,906,980
Net carrying value |  | $ 76,247,000
Aggregate liquidation preference |  | $ 76,558,000
Founders Convertible Preferred Stock |  |
Class of Stock [Line Items] |  |
Preferred stock, shares authorized (in shares) |  | 1,026,008
Shares issued (in shares) |  | 1,026,000
Shares outstanding (in shares) |  | 1,026,000
Net carrying value |  | $ 385,225,000
Aggregate liquidation preference |  | $ 0

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