Acquisition of Metromile - Additional Information (Details) - Metromile $ in Millions		6 Months Ended
Jul. 28, 2022 shares	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)
Business Acquisition [Line Items]
Percent of equity acquired	100.00%
Conversion ratio	0.05263
Shares issued for acquisition (in shares) \| shares	6,901,934
Business acquisition, pro forma revenue		$ 40.3
Business acquisition, pro forma net loss		16.2
Transaction expenses		$ 0.4	$ 0.9

Business Acquisition, Transaction Expenses

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- Definition

Business Combination, Consideration Transferred, Equity Interests Issued and Issuable, Share Exchange Ratio

+ References

No definition available.

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- Definition

Number of shares of equity interests issued or issuable to acquire entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
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-Publisher FASB
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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
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- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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