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CREDIT FACILITIES AND LONG-TERM DEBT - Annual Interest Rates Associated With Floor Plan Commitments (Details) - US Bank Credit Facility - Line of Credit
Jun. 30, 2022
New vehicle floor plan  
Debt Instrument [Line Items]  
Annual interest rates 2.93%
Used vehicle floor plan  
Debt Instrument [Line Items]  
Annual interest rates 3.00%
Service loaner floor plan  
Debt Instrument [Line Items]  
Annual interest rates 2.80%
Revolving line of credit  
Debt Instrument [Line Items]  
Annual interest rates 2.60%