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Preferred Stock (Details) $ / shares in Units, $ in Millions | 9 Months Ended
--- | ---
Sep. 30, 2020 USD ($) $ / shares shares
Temporary Equity [Line Items] |
Sale of stock, proceeds received | $ | $ 117.0
Series B Redeemable Convertible Preferred Stock |
Temporary Equity [Line Items] |
Preferred stock sold (in shares) | shares | 550,571
Sale of preferred stock (in dollars per share) | $ / shares | $ 62.88051
Series B-1 Redeemable Convertible Preferred Stock |
Temporary Equity [Line Items] |
Preferred stock sold (in shares) | shares | 1,319,964
Sale of preferred stock (in dollars per share) | $ / shares | $ 62.88051

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