Acquisition of Metromile - Business Combinations and Asset Acquisitions (Details) - Metromile $ in Millions	Jul. 28, 2022 USD ($)
Finite-Lived Intangible Assets [Line Items]
Fair Value	$ 35.5
Technology
Finite-Lived Intangible Assets [Line Items]
Fair Value	$ 28.0
Technology \| Minimum
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Useful Life	3 years
Technology \| Maximum
Finite-Lived Intangible Assets [Line Items]
Weighted-Average Useful Life	5 years
Insurance licenses
Finite-Lived Intangible Assets [Line Items]
Fair Value	$ 7.5

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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-Section 50
-Paragraph 1
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