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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) |  |  |

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