Quarterly report pursuant to Section 13 or 15(d)

Business Combinations (Details)

v3.21.2
Business Combinations (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2021
USD ($)
Business
retail_Units
Sep. 30, 2020
USD ($)
Business
Business Combinations [Abstract]    
Number of franchises disposed 1 1
Proceeds from sales of dealerships $ 3,872 $ 8,806
EchoPark Segment [Member]    
Asset Acquisition [Line Items]    
Number of acquired franchises | Business 3  
Stand-alone pre-owned vehicle business    
Asset Acquisition [Line Items]    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory $ 26,400  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill 13,200  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment 1,700  
Goodwill, Acquired During Period $ 24,800  
Franchised [Member]    
Asset Acquisition [Line Items]    
Number of acquired franchises | Business 2