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Business Combinations - Narrative (Details) $ in Millions | 3 Months Ended
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Mar. 31, 2024 USD ($) franchise | Mar. 31, 2023 franchise
Business Acquisition [Line Items] |  |
Number of franchises acquired |  | 0
Revenue from date of acquisition of companies acquired | $ | $ 198.9 |
Pre-tax income from date of acquisition of companies acquired | $ | $ 4.9 |
U.K. | Retail automotive dealership | Franchised Dealerships |  |
Business Acquisition [Line Items] |  |
Number of franchises acquired | 16 |
ITALY | Retail automotive dealership | Franchised Dealerships |  |
Business Acquisition [Line Items] |  |
Number of franchises acquired | 2 |

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