Quarterly report pursuant to Section 13 or 15(d)

Business Acquisitions and Dispositions - Additional Information (Details)

v3.19.2
Business Acquisitions and Dispositions - Additional Information (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
USD ($)
Business
Jun. 30, 2019
USD ($)
Business
Jun. 30, 2018
USD ($)
Business
Business Combinations [Abstract]      
Number of acquired franchises | Business   0  
Business Acquisition [Line Items]      
Number of franchises disposed | Business   3 4
Net cash generated from disposition | $   $ 121,300  
Proceeds from sales of dealerships | $   $ 121,337 $ 122,404
Luxury franchise      
Business Acquisition [Line Items]      
Number of franchises terminated | Business 1   2
Mid-line import franchise      
Business Acquisition [Line Items]      
Net cash generated from disposition | $ $ 122,400