Business Combinations (Details) $ in Thousands  | 
6 Months Ended | |
|---|---|---|
| 
 Jun. 30, 2021  
USD ($)  
retail_Units 
 | 
 Jun. 30, 2020  
USD ($)  
Business 
 | 
|
| Business Combinations [Abstract] | ||
| Number of franchises disposed | 1 | 1 | 
| Proceeds from sales of dealerships | $ 3,798 | $ (886) | 
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- References No definition available. 
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- References No definition available. 
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- Definition This element represents the cash inflow during the period from the sale of a component of the entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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