Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets - Additional Information (Details)

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Goodwill and Intangible Assets - Additional Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]        
Goodwill - Franchise Segment $ 229,800   $ 229,800 $ 221,800
Goodwill - Preowned Segment 0   0 0
Goodwill - Powersports Segment 24,000   24,000 9,200
GW Accm Amort Fdealer     1,100,000  
GW Amm Amort Preowned     202,900  
Finite-Lived Intangible Assets [Line Items]        
Impairment charges 1,000 $ 0    
Goodwill [Line Items]        
Goodwill - Preowned Segment 0   0 0
Goodwill and Intangible Asset Impairment 0   (1,800)  
Goodwill 253,800   253,800 231,000
Goodwill and Intangible Assets Acquired 0   11,900  
Goodwill - Franchise Segment 229,800   229,800 221,800
Goodwill - Powersports Segment 24,000   24,000 9,200
PY Acq GW Allocations 0   12,700  
PY Acq GW Allocations Fdealer 0   9,800  
PY Acq GW Allocations Preowned 0   0  
PY Acq GW Allocations Powersports 0   2,900  
Goodwill and Intangible Assets Acquired Fdealer 0   0  
Goodwill and Intangible Assets Acquired Preowned 0   0  
Goodwill and Intangible Assets Acquired Powersports 0   11,900  
GW Asset Impairment Fdealer 0   (1,800)  
GW Asset Impairment Preowned 0   0  
GW Asset Impairment Powersports 0   0  
Indefinite-Lived Intangible Assets [Line Items]        
Franchise Assets - Franchised 371,700   371,700 371,700
Intangible Assets Preowned 0   0 1,900
Intangible Assets - Powersports 45,700   45,700 23,100
Franchise Assets - Assets Acquired Franchised 0   0  
Intangible Assets - Assets Acquired Preowned 0   0  
Intangible Assets - Assets Acquired Powersports 0   22,600  
Indefinite-Lived Intangible Assets Acquired 0   22,600  
Franchise Assets - reductions from disp fdealer 0   0  
Intangible Assets - reduction from dispositions preowned 0   (1,900)  
Intangible Assets - Reductions from dispositions powersports 0   0  
Indefinite-Lived Intangible Assets, Written off Related to Sale of Business Unit 0   1,900  
Goodwill and Intangible Asset Impairment 0   (1,800)  
Other Intangible Assets, net 417,400   $ 417,400 $ 396,700
Powersports Segment        
Finite-Lived Intangible Assets [Line Items]        
Impairment charges $ 0 $ 0