Business Acquisitions and Dispositions - Additional Information (Details) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2019
USD ($)
store
Franchise
|
Dec. 31, 2018
USD ($)
store
|
Dec. 31, 2017
USD ($)
store
|
|
| Business Acquisition [Line Items] | |||
| Number of franchise dealerships opened | 1 | ||
| Number of stores opened | 1 | ||
| Number of EchoPark opened | 1 | 3 | |
| Number of franchises disposed | 1 | 2 | |
| Number of franchises disposed mid-line | 9 | 5 | |
| Cash generated from disposition | $ | $ 250.7 | $ 128.7 | $ 38.2 |
| Number of franchises terminated | 1 | 1 | |
| Number of terminated stores | 4 | 2 | |
| Number of dealerships held for sale | Franchise | 0 | ||
| Pre-owned vehicle store | |||
| Business Acquisition [Line Items] | |||
| Business acquisition, consideration amount | $ | $ 76.6 | ||
| X | ||||||||||
- Definition Held for sale dealerships number. No definition available.
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- Definition Number of EchoPark opened No definition available.
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- Definition Number of Franchise Dealerships Opened No definition available.
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| X | ||||||||||
- Definition Number of franchises disposed. No definition available.
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| X | ||||||||||
- Definition Number of franchises disposed mid-line No definition available.
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| X | ||||||||||
- Definition Number Of Franchises Terminated No definition available.
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- Definition Number Of Stores Opened No definition available.
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- Definition Number of Stores Terminated No definition available.
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- Definition Proceeds from dispositions of franchises. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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| X | ||||||||||
- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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