Quarterly report pursuant to Section 13 or 15(d)

Business Acquisitions and Dispositions - Additional Information (Details)

v3.19.1
Business Acquisitions and Dispositions - Additional Information (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2019
USD ($)
Business
Mar. 31, 2018
USD ($)
Business
Business Combinations [Abstract]    
Number of acquired franchises | Business 0  
Business Acquisition [Line Items]    
Number of franchises disposed | Business 3  
Net cash generated from disposition | $ $ 121,700  
Proceeds from sales of dealerships | $ $ 121,700 $ 7,461
Luxury franchise    
Business Acquisition [Line Items]    
Number of franchises terminated | Business   1
Mid-line import franchise    
Business Acquisition [Line Items]    
Net cash generated from disposition | $   $ 7,500