Quarterly report pursuant to Section 13 or 15(d)

Business Acquisitions and Dispositions - Additional Information (Details)

v3.23.1
Business Acquisitions and Dispositions - Additional Information (Details)
 3 Months Ended 9 Months Ended
Mar. 31, 2023
USD ($)
retail_Units
Business
Mar. 31, 2022
USD ($)
Business
Mar. 31, 2022
USD ($)
Mar. 31, 2022
USD ($)
retail_Units
Sep. 30, 2023
USD ($)
retail_Units
Sep. 30, 2022
USD ($)
Business Acquisition [Line Items]            
Number of franchises disposed 0 0   1    
Net cash generated from disposition $ 0          
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Inventory 4,300,000          
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles 1,100,000          
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred 14,700,000          
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Assets 3,400,000          
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Liabilities $ 5,900,000          
Mid-line import franchise            
Business Acquisition [Line Items]            
Net cash generated from disposition     $ 0      
EchoPark Segment [Member]            
Business Combinations [Abstract]            
Number of acquired franchises | Business 0          
Business Acquisition [Line Items]            
Number of acquired franchises | Business 0          
Stand-alone pre-owned vehicle business            
Business Acquisition [Line Items]            
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory         $ 11,600,000  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment         700,000  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill         $ 22,600,000  
Franchised [Member]            
Business Combinations [Abstract]            
Number of acquired franchises | retail_Units         2  
Business Acquisition [Line Items]            
Number of acquired franchises | retail_Units         2  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory           $ 4,900,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment           100,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill           $ 6,400,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other   $ 1,100,000 $ 1,100,000 $ 1,100,000