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Inventories - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Inventory Disclosure [Abstract] |  |  |  |
Interest credits and advertising assistance | $ 18.6 | $ 18.3 | $ 52.5 | $ 49.0

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- Definition Floor plan interest credits and advertising assistance received from vendors, which reduce the cost of sales. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration