Annual report [Section 13 and 15(d), not S-K Item 405]

Segment Information - Additional Information (Details)

v3.25.4
Segment Information - Additional Information (Details)
 12 Months Ended
Dec. 31, 2025
USD ($)
Segment
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Segment Reporting [Abstract]      
Number of operating segments | Segment 3    
Gain on Franchise Disposal     $ 20,900,000
EchoPark Depreciation and Amortization $ (20,400,000) $ (21,800,000) (26,600,000)
EchoPark Interest Expense, Other, Net (1,500,000) (2,700,000) (3,200,000)
EchoPark Other income (expense), net 0 0 (100,000)
EchoPark Floorplan Exp (11,100,000) (14,200,000) (17,400,000)
EchoPark Segment Income 28,100,000 3,500,000 (132,500,000)
Storm-related physical damage and legal costs (5,000,000.0) (8,300,000) (1,900,000)
Gain Loss On Exit Of Leased Dealerships   3,000,000.0 (4,300,000)
Segment Reporting Information [Line Items]      
Storm-related physical damage and legal costs (5,000,000.0) (8,300,000) (1,900,000)
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal (5,500,000)    
Gain on Franchise Disposal     $ 20,900,000
Legal costs (700,000)    
Powersports Dealerships      
Segment Reporting [Abstract]      
Nonrecurring Compensation Expense   (500,000)  
Segment Reporting Information [Line Items]      
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal (1,100,000)    
Nonrecurring Compensation Expense   (500,000)  
FranchisedDealershipMember [Member]      
Segment Reporting [Abstract]      
Nonrecurring Compensation Expense   (2,200,000)  
Gain on Acquisition of Remaining Equity Interest in Joint Venture   3,500,000  
Segment Reporting Information [Line Items]      
Nonrecurring Compensation Expense   (2,200,000)  
Gain on Acquisition of Remaining Equity Interest in Joint Venture   3,500,000  
Insurance Settlement      
Segment Reporting [Abstract]      
Other Nonrecurring Gain 40,000,000.0 10,000,000.0  
Segment Reporting Information [Line Items]      
Other Nonrecurring Gain $ 40,000,000.0 $ 10,000,000.0