Variable Interest Entities and Securitizations - Additional Information (Details) - UACC - USD ($) $ in Millions			6 Months Ended
Feb. 05, 2026	Mar. 12, 2025	Jun. 30, 2026
Variable Interest Entity [Line Items]
Risk retention rules percentage			5.00%
Net proceeds from securitization	$ 224.1	$ 306.5
Collateralized finance receivable	274.9	382.1
Asset-backed Securities
Variable Interest Entity [Line Items]
Amount of rated asset-backed securities in an auto finance receivable securitization transaction, sold	$ 225.0	$ 307.8

Proceeds from securitizations of receivables treated as collateralized borrowings, which are classified as financing transactions.

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- Definition

Percentage of risk ceded to reinsurer in excess of risk undertaken originally by insurer that is not ceded to reinsurer.

+ References

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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

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- Definition

Accounts Receivable From Securitization Transactions

+ References

No definition available.

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- Definition

Collateralized finance receivables.

+ References

No definition available.

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