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Organization and Summary of Significant Accounting Policies - Retail Automotive (Details) - Retail automotive dealership | 1 Months Ended | 12 Months Ended
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Jan. 31, 2024 franchise dealership | Dec. 31, 2023 franchise dealership | Dec. 31, 2022 franchise
U.S. |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of locations closed |  | 7 |
U.K. |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of locations closed |  | 5 |
Franchised Dealerships |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of Businesses Acquired |  |  | 19
Number of locations operated |  | 336 |
Franchised Dealerships | Outside of the U.S. |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of locations operated |  | 189 |
Franchised Dealerships | U.S. |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of Businesses Acquired |  | 2 | 4
Number of locations operated |  | 147 |
Number of locations closed |  | 6 |
Franchised Dealerships | U.S. | Ford | Subsequent Event |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of Businesses Acquired | dealership | 1 |  |
Franchised Dealerships | U.S. | Chrysler, Dodge, Jeep, Ram | Subsequent Event |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of Businesses Acquired | dealership | 1 |  |
Franchised Dealerships | U.K. |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of Businesses Acquired |  |  | 15
Number of locations closed |  | 4 |
Franchised Dealerships | U.K. | Rybrook Group Limited | Subsequent Event |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of Businesses Acquired | 16 |  |
Franchised Dealerships | U.K. | BMW | Rybrook Group Limited | Subsequent Event |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of Businesses Acquired | 4 |  |
Franchised Dealerships | U.K. | BMW | Rybrook Group Limited | Subsequent Event | BMW Motorrad Motorcycles |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of Businesses Acquired | 3 |  |
Franchised Dealerships | U.K. | MINI | Rybrook Group Limited | Subsequent Event |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of Businesses Acquired | 4 |  |
Franchised Dealerships | U.K. | Volvo | Rybrook Group Limited | Subsequent Event |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of Businesses Acquired | 4 |  |
Franchised Dealerships | U.K. | Land Rover | Rybrook Group Limited | Subsequent Event |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of Businesses Acquired | 2 |  |
Franchised Dealerships | U.K. | Jaguar | Rybrook Group Limited | Subsequent Event |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of Businesses Acquired | 1 |  |
Franchised Dealerships | U.K. | Porsche | Rybrook Group Limited | Subsequent Event |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of Businesses Acquired | 1 |  |
Franchised Dealerships | Italy |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of Businesses Acquired |  | 2 |
CarShop Used Vehicle Dealerships | U.S. |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of locations operated | dealership |  | 7 |
Number of locations closed |  | 1 |
CarShop Used Vehicle Dealerships | U.S. | Subsequent Event |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of locations closed | 1 |  |
CarShop Used Vehicle Dealerships | U.S. and U.K. |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of locations operated | dealership |  | 19 |
CarShop Used Vehicle Dealerships | U.K. |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of locations operated | dealership |  | 12 |
Number of locations closed |  | 1 |

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