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Statement of Income (Statement) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 USD ($)
Income Statement [Abstract] |
Nonrecurring Compensation Expense | $ 6,500

X
- Definition Nonrecurring Compensation Expense + References No definition available. + Details
Name: | sah_NonrecurringCompensationExpense
Namespace Prefix: | sah_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_IncomeStatementAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration