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Acquisition of Metromile - Schedule of Fair Value of Consideration Transferred (Details) - Metromile $ / shares in Units, $ in Millions | Jul. 28, 2022 USD ($) $ / shares shares
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Business Acquisition [Line Items] |
Metromile issued and outstanding stock exchanged for Lemonade common stock | $ 136.9
Contingent consideration | 0.0
Metromile vested awards exchanged for Lemonade awards | 0.8
Total Purchase Consideration | $ 137.7
Shares issued for acquisition (in shares) | shares | 6,901,934
Business acquisition, share price (usd per share) | $ / shares | $ 19.84
Remaining replacement awards, fair value | $ 4.3
Options to purchase common stock |
Business Acquisition [Line Items] |
Remaining replacement awards, fair value | 0.1
RSUs |
Business Acquisition [Line Items] |
Remaining replacement awards, fair value | $ 4.2

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