Quarterly report pursuant to Section 13 or 15(d)

Business Combinations (Details)

v3.23.3
Business Combinations (Details)
$ in Thousands
 3 Months Ended 9 Months Ended
Mar. 31, 2024
retail_Units
Sep. 30, 2023
USD ($)
Jun. 30, 2023
USD ($)
Sep. 30, 2022
USD ($)
Sep. 30, 2023
USD ($)
retail_Units
Business
Sep. 30, 2022
USD ($)
Business
Sep. 30, 2022
USD ($)
retail_Units
Sep. 30, 2022
USD ($)
Business Combinations [Abstract]                
Number of franchises disposed         0 0 1  
Proceeds from sales of dealerships         $ 52,200     $ 0
Asset Acquisition [Line Items]                
Number of franchises disposed         0 0 1  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other   $ 100     $ 100      
Severance Costs   900 $ 2,200          
Impairment charges   0   $ 0 62,600     0
Restructuring Costs   4,800 75,200   75,200      
Payments to Acquire Businesses, Gross         75,100      
Purchase of businesses, net of cash acquired         75,100     94,200
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred         14,700      
Inventories                
Asset Acquisition [Line Items]                
Restructuring Costs     10,000          
Inventories | EchoPark Segment [Member]                
Asset Acquisition [Line Items]                
Restructuring Costs         5,800      
Contract Termination                
Asset Acquisition [Line Items]                
Restructuring Costs   3,900 $ 400          
Contract Termination                
Asset Acquisition [Line Items]                
Restructuring Costs         14,100      
ROU asset                
Asset Acquisition [Line Items]                
Restructuring Costs         16,000      
Property, Plant and Equipment                
Asset Acquisition [Line Items]                
Restructuring Costs         $ 32,500      
Luxury Dealership [Domain]                
Business Combinations [Abstract]                
Number of franchises disposed | retail_Units         1      
Asset Acquisition [Line Items]                
Number of franchises disposed | retail_Units         1      
Mid-line import franchise                
Business Combinations [Abstract]                
Number of franchises disposed | retail_Units         1      
Asset Acquisition [Line Items]                
Number of franchises disposed | retail_Units         1      
EchoPark Stores [Abstract]                
Asset Acquisition [Line Items]                
NumberofPreownedStoresDisposed | retail_Units         8      
EchoPark Delivery/Buy Centers [Abstract]                
Asset Acquisition [Line Items]                
NumberofPreownedStoresDisposed | retail_Units         14      
Northwest Motorsport Segment [Abstract]                
Asset Acquisition [Line Items]                
NumberofPreownedStoresDisposed | retail_Units         3      
domestic franchise dealership [Domain]                
Business Combinations [Abstract]                
Number of franchises disposed | retail_Units         1      
Asset Acquisition [Line Items]                
Number of franchises disposed | retail_Units         1      
EchoPark Segment [Member]                
Asset Acquisition [Line Items]                
Number of acquired franchises | Business         0      
Stand-alone pre-owned vehicle business                
Asset Acquisition [Line Items]                
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory   11,100     $ 11,100      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill   22,600     22,600      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment   700     700      
Goodwill, Acquired During Period         $ 11,900      
Franchised [Member]                
Asset Acquisition [Line Items]                
Number of acquired franchises | retail_Units 2              
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory       31,000   $ 31,000 $ 31,000 31,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill       33,200   33,200 33,200 33,200
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment       500   500 500 500
Goodwill, Acquired During Period               14,100
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other       1,100   1,100 1,100 1,100
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities       $ (400)   $ (400) $ (400) (400)
Franchised Dealerships Acquired                
Asset Acquisition [Line Items]                
Business acquisition, consideration amount               79,500
Business acquisition, consideration amount               $ 79,500
Powersports Segment                
Asset Acquisition [Line Items]                
Number of acquired franchises | retail_Units         1   2  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Land   29,000     $ 29,000      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities   $ (300)     $ (300)