XML 62 R52.htm IDEA: XBRL DOCUMENT
v3.23.3

Credit Facilities and Long-Term Debt, Term Loan and Revolving Credit Facilities (Details) $ in Thousands | 9 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 USD ($) Installment | Sep. 30, 2022 USD ($) | Dec. 31, 2022 USD ($) | Jun. 30, 2022 USD ($)
Line of Credit Facility [Abstract] |  |  |  |
Current portion of debt | $ 47,400 |  | $ 50,000 |
Senior Secured Revolving Credit Facility [Member] |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Outstanding borrowings under credit facility |  |  | 239,500 |
Outstanding letters of credit |  |  | $ 2,400 |
Weighted average interest rate |  |  | 5.20% |
Senior Secured Revolving Credit Facility [Member] | Alternate Base Rate [Member] |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Average daily loan balance outstanding |  | $ 7,500 | $ 5,600 |
Term Loan and Revolving Credit Facilities [Member] |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Maximum borrowing capacity |  |  |  | $ 500,000
Maturity date | Jun. 01, 2027 |  |  |
Frequency of periodic payment | quarterly |  |  |
Debt instrument, extension period | 1 year |  |  |
Borrowing base | $ 168,000 |  |  |
Maximum consolidated EBITDA | 1 |  |  |
Net Leverage Ratio | 250.00% |  |  |
Outstanding borrowings under credit facility | $ 147,400 |  |  |
Current portion of debt | 52,400 |  | 55,000 |
Long-term debt | 95,000 |  | 184,500 |
Outstanding letters of credit | $ 2,400 |  |  |
Weighted average interest rate | 5.20% |  |  |
Term Loan and Revolving Credit Facilities [Member] | SOFR [Member] |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Margin on variable rate | 0.10% |  |  |
Term of variable rate | 1 month |  |  |
Interest rate periods | one, three or nine months |  |  |
Outstanding borrowings under credit facility | $ 146,000 |  | $ 237,000 |
Weighted average interest rate | 5.10% |  | 5.20% |
Term Loan and Revolving Credit Facilities [Member] | Federal Funds Rate [Member] |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Margin on variable rate | 0.50% |  |  |
Term Loan and Revolving Credit Facilities [Member] | Term Benchmark Borrowings [Member] | Minimum [Member] |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Margin on variable rate | 1.00% |  |  |
Term Loan and Revolving Credit Facilities [Member] | Term Benchmark Borrowings [Member] | Maximum [Member] |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Margin on variable rate | 2.00% |  |  |
Term Loan and Revolving Credit Facilities [Member] | Alternate Base Rate [Member] |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Margin on variable rate | 1.00% |  |  |
Outstanding borrowings under credit facility | $ 1,400 |  | $ 2,500 |
Weighted average interest rate | 9.00% |  | 8.00% |
Average daily loan balance outstanding | $ 100 |  |  |
Term Loan and Revolving Credit Facilities [Member] | Alternate Base Rate [Member] | Minimum [Member] |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Margin on variable rate | 0.00% |  |  |
Term Loan and Revolving Credit Facilities [Member] | Alternate Base Rate [Member] | Maximum [Member] |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Margin on variable rate | 1.00% |  |  |
Term Loan Facility [Member] |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Maximum borrowing capacity |  |  |  | 100,000
Term Loan Facility [Member] | Maximum [Member] |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Number of extensions of maturity date | Installment | 2 |  |  |
Term Loan Facility [Member] | First Four Years [Member] |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Periodic payment amortization percentage | 1.25% |  |  |
Term Loan Facility [Member] | Fifth Year [Member] |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Periodic payment amortization percentage | 2.50% |  |  |
Revolving Credit Facility [Member] |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Maximum borrowing capacity |  |  |  | 400,000
Letter of Credit Sublimit [Member] |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Maximum borrowing capacity | $ 25,000 |  |  |
Swing Line Loans [Member] |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Maximum borrowing capacity | 25,000 |  |  |
Interest Rate Swap Agreement [Member] |  |  |  |
Line of Credit Facility [Abstract] |  |  |  |
Maximum borrowing capacity | $ 100,000 |  |  |
Term of variable rate | 1 month |  |  |
Period of agreement | 7 years |  |  |
Outstanding borrowings under credit facility | $ 100,000 |  | $ 100,000 | $ 100,000

X
- Definition The amount of money a lender will loan to a company based on the value of the collateral the company pledges. The borrowing base is usually determined by a method called margining, where the lender determines a discount factor that is multiplied by the value of the collateral; the result is the amount that will be loaned to the company. + References No definition available. + Details
Name: | smp_BorrowingBase
Namespace Prefix: | smp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amortization percentage for periodic payments in a debt agreement. + References No definition available. + Details
Name: | smp_DebtInstrumentAmortizationPercentageOfPeriodicPayment
Namespace Prefix: | smp_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition 'The maximum net debt to EBITDA ratio under debt agreement. + References No definition available. + Details
Name: | smp_DebtInstrumentCovenantMaximumDebtToEBITDARatio
Namespace Prefix: | smp_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Consolidated Leverage Ratio as defined in the Credit Agreement. + References No definition available. + Details
Name: | smp_DebtInstrumentLeverageRatio
Namespace Prefix: | smp_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents number of extensions of maturity date permitted under debt agreement. + References No definition available. + Details
Name: | smp_DebtInstrumentNumberOfExtensionsOfMaturityDate
Namespace Prefix: | smp_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period for extension of maturity date permitted under debt agreement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | smp_DebtInstrumentPeriodForExtensionOfMaturityDate
Namespace Prefix: | smp_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Term of the interest rate that fluctuates over time as a result of an underlying benchmark interest rate or index, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | smp_DebtInstrumentTermOfVariableRate
Namespace Prefix: | smp_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of the frequency of periodic payments (monthly, quarterly, annual). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480848/942-470-50-3 + Details
Name: | us-gaap_DebtInstrumentFrequencyOfPeriodicPayment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of any adjustments made to the stated rate to determine the effective rate. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482925/835-30-45-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_DebtInstrumentInterestRateBasisForEffectiveRate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_DebtInstrumentMaturityDate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average interest rate of debt outstanding. + References No definition available. + Details
Name: | us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_DerivativeTermOfContract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
Name: | us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
Name: | us-gaap_LineOfCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition Average amount borrowed under the credit facility during the period. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityAverageOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
Name: | us-gaap_LinesOfCreditCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The carrying value as of the balance sheet date of the noncurrent portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 45 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481573/470-10-45-13 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 45 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481573/470-10-45-14 + Details
Name: | us-gaap_LongTermLineOfCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_DebtInstrumentAxis=smp_SeniorSecuredFacilityRevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_BaseRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=smp_TermLoanAndRevolvingCreditFacilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_FederalFundsEffectiveSwapRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=smp_TermBenchmarkBorrowingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=smp_TermLoanFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=smp_MultiCurrencyRevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=smp_SubLimitLetterOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=smp_SwingLineSublimitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=smp_InterestRateSwapFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |