Sonic Automotive, Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Cover
- Cover
Financial Statements
Notes to Financial Statements
Accounting Policies
- Description of Business and Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details
Uncategorized
- Uncategorized Items - sah-20201231.htm

Related Parties - Additional Information (Details)

v3.20.4

Related Parties - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
SFC
Related Party Transaction [Line Items]
Aggregate annual rent for leased aircraft usage	$ 0.6	$ 0.3	$ 0.3
Oil-Chem
Related Party Transaction [Line Items]
Purchase from related party	1.4	1.6	1.6
SMISC Holdings, Inc.
Related Party Transaction [Line Items]
Purchase from related party	0.6	0.9	0.9
SMI subsidiaries
Related Party Transaction [Line Items]
Vehicle sales to related party	0.1	$ 0.2	$ 0.2
Lincoln Harris, LLC [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party	$ 0.4
Minimum \| Mr. Marcus G. Smith \| SFC
Related Party Transaction [Line Items]
Ownership percentage	10.00%

- Definition

Beneficial ownership interest percentage.

+ References

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+ References

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- Definition

Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
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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.

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- Definition

Purchases during the period (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

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- Definition

Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

+ References

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-Publisher FASB
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-Topic 946
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07.1(c))
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-SubTopic 10
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