Quarterly report [Sections 13 or 15(d)]

Inventories - Components of Inventories (Details)

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Inventories - Components of Inventories (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Inventory Disclosure [Abstract]    
New vehicles $ 1,193,500 $ 1,140,100
Used vehicles 570,600 523,800
Service loaners 246,200 233,100
Parts, accessories and other 113,300 115,900
Net inventories 2,123,600 2,012,900
Service Loaner Inventory (Directly Leased from Manufacturer) $ 34,900 $ 35,700