Quarterly report pursuant to Section 13 or 15(d)

Business Combinations (Details)

v3.23.1
Business Combinations (Details)
$ in Thousands
 3 Months Ended 9 Months Ended
Mar. 31, 2023
USD ($)
retail_Units
Business
Mar. 31, 2022
USD ($)
Business
Mar. 31, 2022
USD ($)
retail_Units
Mar. 31, 2022
USD ($)
Sep. 30, 2023
USD ($)
retail_Units
Sep. 30, 2022
USD ($)
Business Combinations [Abstract]            
Number of franchises disposed 0 0 1      
Asset Acquisition [Line Items]            
Number of franchises disposed 0 0 1      
RFJ            
Asset Acquisition [Line Items]            
Business acquisition, consideration amount $ 964,900          
Business acquisition, consideration amount $ 964,900          
EchoPark Segment [Member]            
Asset Acquisition [Line Items]            
Number of acquired franchises | Business 0          
Stand-alone pre-owned vehicle business            
Asset Acquisition [Line Items]            
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory         $ 11,600  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill         22,600  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment         700  
Goodwill, Acquired During Period         $ 11,400  
Franchised [Member]            
Asset Acquisition [Line Items]            
Number of acquired franchises | retail_Units         2  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory           $ 4,900
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill           6,400
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment           100
Goodwill, Acquired During Period       $ 1,300    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other   $ 1,100 $ 1,100 1,100    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities   $ (100) $ (100) $ (100)    
Franchised Dealerships Acquired            
Asset Acquisition [Line Items]            
Business acquisition, consideration amount           13,700
Business acquisition, consideration amount           $ 13,700
Powersports Segment            
Asset Acquisition [Line Items]            
Number of acquired franchises | retail_Units         1  
Business acquisition, consideration amount         $ 75,100  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Land         29,000  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other         100  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities         (300)  
Business acquisition, consideration amount         $ 75,100