Quarterly report pursuant to Section 13 or 15(d)

Business Acquisitions and Dispositions - Additional Information (Details)

v3.20.2
Business Acquisitions and Dispositions - Additional Information (Details)
9 Months Ended
Sep. 30, 2020
USD ($)
Business
Sep. 30, 2019
USD ($)
Business
Business Combinations [Abstract]    
Number of acquired franchises 0  
Business Acquisition [Line Items]    
Number of franchises disposed   4
Net cash generated from disposition | $ $ 8,800,000  
Number of franchises terminated 1  
Proceeds from sales of dealerships | $ $ 8,806,000 $ 130,086,000
Luxury franchise    
Business Acquisition [Line Items]    
Number of franchises terminated 1 1
Mid-line import franchise    
Business Acquisition [Line Items]    
Net cash generated from disposition | $   $ 130,100