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Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Percentage of dealership that is accounted for under the equity method | 50.00% |  | 50.00% |  |
Effective tax rate from continuing operations | 25.00% | 25.00% |  |  |
Income benefit | $ (22,800) | $ (29,100) | $ (47,800) | $ (93,100) |
Impairment charges | $ 0 | $ 0 | $ 62,600 | $ 0 |
Dealership |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Percentage of dealership that is accounted for under the equity method | 50.00% |  | 50.00% |  |
ASU 2014-09 | Finance, insurance and other, net |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Contract assets | $ 27,900 |  | $ 27,900 |  | $ 38,700

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