XML 72 R56.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Summary of Significant Accounting Policies - Additional Information (Detail) | 12 Months Ended
--- | ---
Dec. 31, 2024 USD ($) BTU Customer Country Subsidiary $ / shares | Dec. 31, 2023 USD ($) Customer | Dec. 31, 2022 USD ($) Customer
Summary Of Significant Accounting Policy [Line Items] |  |  |
Cash and cash equivalents | $ 99,665,000 | $ 129,823,000 |
Single customer comprised more than 10 percent of the Company's consolidated net sales | Customer | 0 | 0 | 0
Deferred compensation liability | $ 31,171,000 | $ 39,847,000 |
Percentage of deferred compensation liability related to performance common stock | 20.00% | 20.00% |
Increase in market price of common stock due to deferred compensation | $ / shares | $ 1 |  |
Decrease in market price of common stock due to deferred compensation | $ / shares | $ 1 |  |
Additional compensation expense, Increase | $ 94,000 |  |
Additional compensation expense, Decrease | 94,000 |  |
Cost of maintenance and repairs | 90,422,000 | $ 80,226,000 | $ 82,110,000
Total research and development expenses | 33,544,000 | 35,732,000 | $ 40,902,000
Severance expenses | $ 2,820,000 |  |
Capitalized Environmental expenditures depreciation period | 10 years |  |
Indefinite-life intangible assets | $ 0 |  |
Number of foreign subsidiaries | Subsidiary | 4 |  |
Percentage of global minimum tax on reported profits | 15.00% |  |
Number of countries | Country | 100 |  |
Natural Gas [Member] |  |  |
Summary Of Significant Accounting Policy [Line Items] |  |  |
Volume in derivative contract | BTU | 226,887 |  |
Purchased Contract Price | $ 765,000 |  |
Building Improvements [Member] |  |  |
Summary Of Significant Accounting Policy [Line Items] |  |  |
Lives used for calculating depreciation expense | 15 years |  |
Minimum [Member] |  |  |
Summary Of Significant Accounting Policy [Line Items] |  |  |
Concentration risk Payment terms extended | 30 days |  |
Percentage of Tax benefit recognized | 50.00% |  |
Minimum [Member] | Patents [Member] |  |  |
Summary Of Significant Accounting Policy [Line Items] |  |  |
Finite-lived intangible asset, useful life | 15 years |  |
Minimum [Member] | Trademarks [Member] |  |  |
Summary Of Significant Accounting Policy [Line Items] |  |  |
Finite-lived intangible asset, useful life | 8 years |  |
Minimum [Member] | Customer Relationships [Member] |  |  |
Summary Of Significant Accounting Policy [Line Items] |  |  |
Finite-lived intangible asset, useful life | 10 years |  |
Minimum [Member] | Know-how [Member] |  |  |
Summary Of Significant Accounting Policy [Line Items] |  |  |
Finite-lived intangible asset, useful life | 7 years |  |
Minimum [Member] | Building [Member] |  |  |
Summary Of Significant Accounting Policy [Line Items] |  |  |
Lives used for calculating depreciation expense | 30 years |  |
Minimum [Member] | Manufacturing Equipment [Member] |  |  |
Summary Of Significant Accounting Policy [Line Items] |  |  |
Lives used for calculating depreciation expense | 10 years |  |
Minimum [Member] | Furniture and Fixtures [Member] |  |  |
Summary Of Significant Accounting Policy [Line Items] |  |  |
Lives used for calculating depreciation expense | 5 years |  |
Minimum [Member] | Vehicles [Member] |  |  |
Summary Of Significant Accounting Policy [Line Items] |  |  |
Lives used for calculating depreciation expense | 3 years |  |
Minimum [Member] | Computers Equipment And Software [Member] |  |  |
Summary Of Significant Accounting Policy [Line Items] |  |  |
Lives used for calculating depreciation expense | 3 years |  |
Maximum [Member] |  |  |
Summary Of Significant Accounting Policy [Line Items] |  |  |
Concentration risk Payment terms extended | 60 days |  |
Maximum [Member] | Trademarks [Member] |  |  |
Summary Of Significant Accounting Policy [Line Items] |  |  |
Finite-lived intangible asset, useful life | 11 years |  |
Maximum [Member] | Customer Relationships [Member] |  |  |
Summary Of Significant Accounting Policy [Line Items] |  |  |
Finite-lived intangible asset, useful life | 20 years |  |
Maximum [Member] | Know-how [Member] |  |  |
Summary Of Significant Accounting Policy [Line Items] |  |  |
Finite-lived intangible asset, useful life | 20 years |  |
Maximum [Member] | Building [Member] |  |  |
Summary Of Significant Accounting Policy [Line Items] |  |  |
Lives used for calculating depreciation expense | 40 years |  |
Maximum [Member] | Manufacturing Equipment [Member] |  |  |
Summary Of Significant Accounting Policy [Line Items] |  |  |
Lives used for calculating depreciation expense | 30 years |  |
Maximum [Member] | Furniture and Fixtures [Member] |  |  |
Summary Of Significant Accounting Policy [Line Items] |  |  |
Lives used for calculating depreciation expense | 10 years |  |
Maximum [Member] | Vehicles [Member] |  |  |
Summary Of Significant Accounting Policy [Line Items] |  |  |
Lives used for calculating depreciation expense | 5 years |  |
Maximum [Member] | Computers Equipment And Software [Member] |  |  |
Summary Of Significant Accounting Policy [Line Items] |  |  |
Lives used for calculating depreciation expense | 10 years |  |
Money Market Funds [Member] |  |  |
Summary Of Significant Accounting Policy [Line Items] |  |  |
Cash and cash equivalents | $ 12,589,000 | 15,117,000 |
Demand Deposits And Certifates of Deposit [Member] |  |  |
Summary Of Significant Accounting Policy [Line Items] |  |  |
Cash and cash equivalents | 1,219,000 | 6,374,000 |
Non-U.S. Subsidiaries [Member] |  |  |
Summary Of Significant Accounting Policy [Line Items] |  |  |
Cash and cash equivalents | $ 85,857,000 | $ 108,332,000 |

X
- Definition Capitalized environmental expenditures depreciation period. + References No definition available. + Details
Name: | scl_CapitalizedEnvironmentalExpendituresDepreciationPeriod
Namespace Prefix: | scl_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Concentration risk number of major customers. + References No definition available. + Details
Name: | scl_ConcentrationRiskNumberOfMajorCustomers
Namespace Prefix: | scl_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Concentration risk Payment terms. + References No definition available. + Details
Name: | scl_ConcentrationRiskPaymentTerms
Namespace Prefix: | scl_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Decrease in deferred compensation. + References No definition available. + Details
Name: | scl_DecreaseInDeferredCompensation
Namespace Prefix: | scl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Decrease in market price of common stock due to deferred compensation liabilities. + References No definition available. + Details
Name: | scl_DecreaseInMarketPriceOfCommonStockDueToDeferredCompensationLiabilities
Namespace Prefix: | scl_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Increase in deferred compensation. + References No definition available. + Details
Name: | scl_IncreaseInDeferredCompensation
Namespace Prefix: | scl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Increase in market price of common stock due to deferred compensation liabilities. + References No definition available. + Details
Name: | scl_IncreaseInMarketPriceOfCommonStockDueToDeferredCompensationLiabilities
Namespace Prefix: | scl_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Notional amount of utility contracts. + References No definition available. + Details
Name: | scl_NotionalAmountOfUtilityContracts
Namespace Prefix: | scl_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of countries. + References No definition available. + Details
Name: | scl_NumberOfCountries
Namespace Prefix: | scl_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of foreign subsidiaries. + References No definition available. + Details
Name: | scl_NumberOfForeignSubsidiaries
Namespace Prefix: | scl_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of deferred compensation liblity related to performance common stock. + References No definition available. + Details
Name: | scl_PercentageOfDeferredCompensationLiblityRelatedToPerformanceCommonStock
Namespace Prefix: | scl_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of global minimum tax on reported profits. + References No definition available. + Details
Name: | scl_PercentageOfGlobalMinimumTaxOnReportedProfits
Namespace Prefix: | scl_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Summary of significant accounting policy. + References No definition available. + Details
Name: | scl_SummaryOfSignificantAccountingPolicyLineItems
Namespace Prefix: | scl_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tax benefit recognized threshold limit percentage. + References No definition available. + Details
Name: | scl_TaxBenefitRecognizedThresholdLimitPercentage
Namespace Prefix: | scl_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Volume derivative contract. + References No definition available. + Details
Name: | scl_VolumeDerivativeContract
Namespace Prefix: | scl_
Data Type: | dtr-types:energyItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483467/210-10-45-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-4 + Details
Name: | us-gaap_CashAndCashEquivalentsAtCarryingValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The aggregate costs of keeping the property in good condition but that do not appreciably prolong the life or increase the value of the property. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 + Details
Name: | us-gaap_CostOfPropertyRepairsAndMaintenance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date. + References No definition available. + Details
Name: | us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Useful life of finite-lived intangible assets, 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_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 10 -Name Accounting Standards Codification -Section S45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480265/350-10-S45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 + Details
Name: | us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of expense for research and development. Includes, but is not limited to, cost for computer software product to be sold, leased, or otherwise marketed and writeoff of research and development assets acquired in transaction other than business combination or joint venture formation or both. Excludes write-down of intangible asset acquired in business combination or from joint venture formation or both, used in research and development activity. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 48 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482785/280-10-55-48 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 985 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481283/985-20-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 730 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482916/730-10-50-1 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 912 -SubTopic 730 -Name Accounting Standards Codification -Section 25 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479532/912-730-25-1 + Details
Name: | us-gaap_ResearchAndDevelopmentExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, 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 + Details
Name: | us-gaap_SeveranceCosts1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | srt_ReserveQuantitiesByTypeOfReserveAxis=srt_NaturalGasReservesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingImprovementsMember
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: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_PatentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TrademarksMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=scl_KnowHowMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_MachineryAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_FurnitureAndFixturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_VehiclesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=scl_ComputersEquipmentAndSoftwareMember
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_CashAndCashEquivalentsAxis=us-gaap_MoneyMarketFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CashAndCashEquivalentsAxis=scl_DemandDepositsAndCertifatesOfDepositMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CashAndCashEquivalentsAxis=scl_NonUSSubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |