Business and Credit Concentrations (Details) - USD ($) $ in Millions |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
|
| Risks and Uncertainties [Abstract] | ||
| Percentage of total retail new vehicle unit sales from stores located in Florida, Texas and California | 64.00% | |
| Percentage of new vehicle sales from core brands (percent) | 88.00% | |
| Manufacturer receivables | $ 199.0 | $ 230.6 |