Quarterly report [Sections 13 or 15(d)]

Business Combinations (Details)

v3.26.3
Business Combinations (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2026
USD ($)
retail_Units
Sep. 30, 2025
USD ($)
Business
retail_Units
Business Combination [Abstract]        
Number of franchises disposed     5 1
Proceeds from sales of dealerships     $ 40,500,000 $ 9,600,000
Asset Acquisition [Line Items]        
Number of acquired franchises | retail_Units       5
Business Combination, Recognized Asset Acquired, Inventory, Current $ 30,900,000   30,900,000  
Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill 71,500,000   71,500,000  
Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment 4,200,000   $ 4,200,000  
Business acquisition, consideration amount       $ 440,300,000
Number of franchises disposed     5 1
Impairment charges $ 0 $ 0 $ (400,000) $ (173,800,000)
Payments to Acquire Businesses, Gross     169,300,000  
Purchase of businesses, net of cash acquired     169,300,000 440,300,000
Business acquisition, consideration amount       440,300,000
EchoPark Segment [Member]        
Asset Acquisition [Line Items]        
Impairment charges       $ 200,000
ROU asset        
Asset Acquisition [Line Items]        
Restructuring Costs     $ 12,600,000  
Mid-line import franchise        
Business Combination [Abstract]        
Number of franchises disposed | retail_Units     3  
Asset Acquisition [Line Items]        
Number of franchises disposed | retail_Units     3  
EchoPark Delivery/Buy Centers [Abstract]        
Asset Acquisition [Line Items]        
NumberofPreownedStoresDisposed | retail_Units     1  
domestic franchise dealership [Domain]        
Business Combination [Abstract]        
Number of franchises terminated     1  
Number of franchises disposed | retail_Units     1  
Asset Acquisition [Line Items]        
Number of franchises disposed | retail_Units     1