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Business Acquisitions and Dispositions - Revenues and Other Activities Associated with Disposed Dealerships That Remain in Continuing Operations (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Impairment of Long-Lived Assets to be Disposed of |  | $ 1,000
Disposed dealerships that remain in continuing operations |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Income (loss) from operations | $ (2,600) | (4,900)
Gain (loss) on disposal | (1,200) | (1,700)
Lease exit accrual adjustments and charges | (1,100) | (2,400)
Pre-tax income (loss) | (2,700) | (4,200)
Total revenues | $ 1,500 | $ 13,200

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