XML 83 R74.htm IDEA: XBRL DOCUMENT
v3.23.3

Noncash Investing and Financing Activities - Additional Information (Detail) - USD ($) | 9 Months Ended
--- | ---
Sep. 30, 2023 | Sep. 30, 2022
Supplemental Cash Flow Elements [Line Items] |  |
Noncash investing activities, payables incurred for property, plant and equipment expenditures, unpaid | $ 15,715,000 | $ 44,833,000
Common Stock [Member] | Stock Award Plan [Member] |  |
Supplemental Cash Flow Elements [Line Items] |  |
Noncash financing activities shares issued | 97,774 | 58,441
Stock issued | $ 10,480,000 | $ 6,095,000

X
- Definition Noncash financing activities includes shares issued. + References No definition available. + Details
Name: | scl_NoncashFinancingActivitiesIncludesSharesIssued
Namespace Prefix: | scl_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Noncash or part noncash investing activities payables incurred for property, plant and equipment expenditures unpaid. + References No definition available. + Details
Name: | scl_NoncashOrPartNoncashInvestingActivitiesPayablesIncurredForPropertyPlantAndEquipmentExpendituresUnpaid
Namespace Prefix: | scl_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Supplemental cash flow elements. + References No definition available. + Details
Name: | scl_SupplementalCashFlowElementsLineItems
Namespace Prefix: | scl_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The fair value of stock issued in noncash financing activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482913/230-10-50-4 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482913/230-10-50-3 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482913/230-10-50-5 + Details
Name: | us-gaap_StockIssued1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=scl_StockAwardPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |