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Net Loss Per Share Attributable to Common Stockholders - EPS (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Numerator [Abstract] |  |  |
Net loss attributable to Class A and Class B common stockholders, basic | $ (222,962) | $ (184,780) | $ (163,929)
Net loss attributable to Class A and Class B common stockholders, diluted | $ (222,962) | $ (184,780) | $ (163,929)
Denominator [Abstract] |  |  |
Weighted-average shares used in computing net loss per share attributable to Class A and Class B common stockholders, basic (in shares) | 532,540,175 | 545,397,254 | 362,756,466
Weighted-average shares used in computing net loss per share attributable to Class A and Class B common stockholders, diluted (in shares) | 532,540,175 | 545,397,254 | 362,756,466
Net loss per share attributable to Class A and Class B common stockholders, basic (in dollars per share) | $ (0.42) | $ (0.34) | $ (0.45)
Net loss per share attributable to Class A and Class B common stockholders, diluted (in dollars per share) | $ (0.42) | $ (0.34) | $ (0.45)

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