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Related Party Transactions - Additional Information (Details) - USD ($)
$ in Millions
1 Months Ended 12 Months Ended
Jan. 31, 2019
Jul. 31, 2015
Dec. 31, 2019
Management Services Agreement | Catterton Management L.L.C      
Related Party Transaction [Line Items]      
Payment of expenses   $ 0.3  
Management Services Agreement | Catterton Management L.L.C | Minimum      
Related Party Transaction [Line Items]      
Percentage of outstanding capital stock   5.00%  
Vendor Agreement | Auto Nation, Inc      
Related Party Transaction [Line Items]      
Payment of expenses     $ 1.1
Termination period 2020-02    
Vendor Agreement | Auto Nation, Inc | Minimum      
Related Party Transaction [Line Items]      
Percentage of outstanding capital stock 5.00%