XML 97 R64.htm IDEA: XBRL DOCUMENT
v3.25.4

Restructuring Expenses - Schedule of Related to the Separation Program Workforce Reduction (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Restructuring and integration activities [Roll Forward] |  |  |
Amounts provided for during year | $ 2,580 | $ 7,668 | $ 2,642
Operating Segments |  |  |
Restructuring and integration activities [Roll Forward] |  |  |
Amounts provided for during year | 2,579 | 5,939 | 2,642
Separation Program |  |  |
Restructuring and integration activities [Roll Forward] |  |  |
Exit activity liability, beginning of period | 4,776 | 0 |
Amounts provided for during year | 586 | 7,116 |
Cash payments | (4,796) | (2,485) |
Stock-based compensation |  | 150 |
Foreign currency translation | 7 | (5) |
Exit activity liability, end of period | 573 | 4,776 | 0
Separation Program | Segment Reporting, Reconciling Item, Corporate Nonsegment |  |  |
Restructuring and integration activities [Roll Forward] |  |  |
Amounts provided for during year |  | 1,700 |
Separation Program | Vehicle Control Segment | Operating Segments |  |  |
Restructuring and integration activities [Roll Forward] |  |  |
Amounts provided for during year | 400 | 3,800 |
Separation Program | Temperature Control Segment | Operating Segments |  |  |
Restructuring and integration activities [Roll Forward] |  |  |
Amounts provided for during year | 200 | 800 |
Separation Program | Engineered Solutions Segment | Operating Segments |  |  |
Restructuring and integration activities [Roll Forward] |  |  |
Amounts provided for during year |  | 800 |
Cost Reduction Initiative |  |  |
Restructuring and integration activities [Roll Forward] |  |  |
Exit activity liability, beginning of period | 232 | 1,729 |
Amounts provided for during year | 1,994 | 552 |
Cash payments | (2,020) | (2,021) |
Foreign currency translation |  | (28) |
Exit activity liability, end of period | 206 | 232 | 1,729
Cost Reduction Initiative | Vehicle Control Segment | Operating Segments |  |  |
Restructuring and integration activities [Roll Forward] |  |  |
Amounts provided for during year | 1,900 | 400 |
Cost Reduction Initiative | Temperature Control Segment | Operating Segments |  |  |
Restructuring and integration activities [Roll Forward] |  |  |
Amounts provided for during year |  | 100 |
Cost Reduction Initiative | Engineered Solutions Segment | Operating Segments |  |  |
Restructuring and integration activities [Roll Forward] |  |  |
Amounts provided for during year | 100 | 0 |
Cost Reduction Initiative | Workforce Reduction |  |  |
Restructuring and integration activities [Roll Forward] |  |  |
Exit activity liability, beginning of period | 232 | 1,729 |
Amounts provided for during year | 396 | 163 |
Cash payments | (422) | (1,632) |
Foreign currency translation |  | (28) |
Exit activity liability, end of period | 206 | 232 | 1,729
Cost Reduction Initiative | Other Exit Costs |  |  |
Restructuring and integration activities [Roll Forward] |  |  |
Exit activity liability, beginning of period | 0 | 0 |
Amounts provided for during year | 1,598 | 389 |
Cash payments | (1,598) | (389) |
Foreign currency translation |  | 0 |
Exit activity liability, end of period | $ 0 | $ 0 | $ 0

X
- Definition Restructuring Reserve, Stock Based Compensation + References No definition available. + Details
Name: | smp_RestructuringReserveStockBasedCompensation
Namespace Prefix: | smp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 17 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-17 + Details
Name: | us-gaap_PaymentsForRestructuring
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 220 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org/1943274/2147476153/220-40-55-18 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4.b.1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482047/420-10-45-3 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-1 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 21 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147476148/220-40-50-21 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147476148/220-40-50-6 + Details
Name: | us-gaap_RestructuringCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4.b.2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 + Details
Name: | us-gaap_RestructuringReserve
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_RestructuringReserveRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of foreign currency translation gain (loss) which decreases (increases) the restructuring reserve. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4.b.2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 420 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 + Details
Name: | us-gaap_RestructuringReserveTranslationAdjustment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=smp_SeparationProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=smp_VehicleControlSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=smp_TemperatureControlSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=smp_EngineeredSolutionsSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringPlanAxis=smp_CostReductionInitiativeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=us-gaap_EmployeeSeveranceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=us-gaap_OtherRestructuringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |