Quarterly report [Sections 13 or 15(d)]

Segment Information - Additional Information (Details)

v3.25.2
Segment Information - Additional Information (Details)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Jun. 30, 2025
USD ($)
Segment
Jun. 30, 2024
USD ($)
Segment Reporting [Abstract]        
Number of operating segments | Segment     3  
Impairment charges $ (172,400) $ 1,400 $ (173,800) $ (2,400)
Segment Reporting Information [Line Items]        
Revenues 3,657,200 3,453,000 7,308,500 6,837,000
Retail New Vehicles [Member]        
Segment Reporting Information [Line Items]        
Revenues 1,666,100 1,552,600 3,322,400 3,008,400
Fleet New Vehicles [Member]        
Segment Reporting Information [Line Items]        
Revenues 29,400 26,200 51,500 45,800
New vehicles        
Segment Reporting Information [Line Items]        
Revenues 1,695,500 1,578,800 3,373,900 3,054,200
Used vehicles        
Segment Reporting Information [Line Items]        
Revenues 1,180,700 1,186,200 2,405,700 2,401,800
Wholesale vehicles        
Segment Reporting Information [Line Items]        
Revenues 83,300 71,300 166,100 148,600
Total vehicles        
Segment Reporting Information [Line Items]        
Revenues 2,959,500 2,836,300 5,945,700 5,604,600
Parts, service and collision repair        
Segment Reporting Information [Line Items]        
Revenues 495,600 444,100 970,000 890,800
Finance, insurance and other, net        
Segment Reporting Information [Line Items]        
Revenues $ 202,100 $ 172,600 $ 392,800 $ 341,600