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Business Acquisitions and Dispositions - Revenues and Other Activities Associated with Disposed Dealerships That Remain in Continuing Operations (Details) - Disposed dealerships that remain in continuing operations - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Income (loss) from operations | $ (300) | $ 1,900 | $ 200 | $ 5,700
Gain (loss) on disposal | (300) | 0 | 20,400 | (100)
Pre-tax income (loss) | (600) | 1,900 | 20,600 | 5,600
Total revenues | $ 0 | $ 38,600 | $ 70,100 | $ 119,000

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