XML 76 R65.htm IDEA: XBRL DOCUMENT
v3.25.3

Business Combinations (Details) | 9 Months Ended
--- | ---
Sep. 30, 2025 retail_Units
Business Combination [Abstract] |
Number of franchises terminated | 1

X
- References No definition available. + Details
Name: | sah_NumberOfFranchisesTerminated
Namespace Prefix: | sah_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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