Quarterly report [Sections 13 or 15(d)]

Business Combinations (Details)

v3.25.3
Business Combinations (Details)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2025
USD ($)
Sep. 30, 2024
USD ($)
Sep. 30, 2025
USD ($)
retail_Units
Sep. 30, 2024
USD ($)
Business
retail_Units
Business Combination [Abstract]        
Number of franchises terminated | retail_Units     1  
Number of franchises disposed | Business       2
Proceeds from sales of dealerships | $     $ 9,600 $ 8,200
Asset Acquisition [Line Items]        
Number of acquired franchises | retail_Units       0
Business Combination, Recognized Asset Acquired, Inventory, Current | $ $ 165,500   165,500  
Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment | $ 9,400   9,400  
Number of franchises disposed | Business       2
Impairment charges | $ $ 0 $ 0 (173,800) $ (2,400)
Purchase of businesses, net of cash acquired | $     440,300 0
EchoPark Segment [Member]        
Asset Acquisition [Line Items]        
Impairment charges | $     200 $ 1,400
ROU asset        
Asset Acquisition [Line Items]        
Restructuring Costs | $     $ 86,200  
Mid-line import franchise        
Business Combination [Abstract]        
Number of franchises disposed | retail_Units     1  
Asset Acquisition [Line Items]        
Number of franchises disposed | retail_Units     1  
Northwest Motorsport Segment [Abstract]        
Asset Acquisition [Line Items]        
NumberofPreownedStoresDisposed | retail_Units       7
Luxury Dealership [Domain]        
Business Combination [Abstract]        
Number of franchises disposed | retail_Units       2
Asset Acquisition [Line Items]        
Number of franchises disposed | retail_Units       2