XML 66 R47.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Inventories and Related Notes Payable - Floor Plan - Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Inventory Disclosure [Abstract] |  |  |
Average interest rate for new vehicle floor plan facilities | 6.29% | 6.11% | 1.09%
Amount recognized for floor plan assistance | $ 64,200 | $ 58,700 | $ 51,500
Average interest rate for used vehicle floor plan facilities | 7.37% | 7.23% | 3.87%
Floor Plan Deposit Balance | $ 340,000 | $ 345,000 |
Reduction in Interest Expense, Floor Plan | 23,700 | 19,400 | $ 4,100
Service loaners (1) | 184,900 | 172,700 |
Service Loaner Inventory (Directly Leased from Manufacturer) [Member] | $ 31,700 | $ 22,700 |

X
- Definition Floor plan assistance recognized. + References No definition available. + Details
Name: | sah_FloorPlanAssistanceRecognized
Namespace Prefix: | sah_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Floor Plan Deposit Balance + References No definition available. + Details
Name: | sah_FloorPlanDepositBalance
Namespace Prefix: | sah_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Inventory service loaners. + References No definition available. + Details
Name: | sah_InventoryServiceLoaners
Namespace Prefix: | sah_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Reduction in Interest Expense, Floor Plan + References No definition available. + Details
Name: | sah_ReductionInInterestExpenseFloorPlan
Namespace Prefix: | sah_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Service Loaner Inventory (Directly Leased from Manufacturer) + References No definition available. + Details
Name: | sah_ServiceLoanerInventoryDirectlyLeasedFromManufacturer
Namespace Prefix: | sah_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Weighted average interest rate new vehicle floor plan. + References No definition available. + Details
Name: | sah_WeightedAverageInterestRateNewVehicleFloorPlan
Namespace Prefix: | sah_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average interest rate used vehicle floor plan. + References No definition available. + Details
Name: | sah_WeightedAverageInterestRateUsedVehicleFloorPlan
Namespace Prefix: | sah_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

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