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Net Loss per Share - Antidilutive Potential Common Shares (Details) | 3 Months Ended
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Mar. 31, 2025 shares | Mar. 31, 2024 shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
Antidilutive potential common stock (in shares) | 13,691,057 | 13,872,075
Metromile |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
Conversion ratio | 0.05263 | 0.05263
Options to purchase common stock |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
Antidilutive potential common stock (in shares) | 9,260,114 | 9,519,491
Unvested restricted stock |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
Antidilutive potential common stock (in shares) | 4,017,974 | 3,939,615
Warrants for common stock |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
Antidilutive potential common stock (in shares) | 412,969 | 412,969

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
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