XML 86 R77.htm IDEA: XBRL DOCUMENT
v3.22.2

Noncash Investing Activities - Additional Information (Detail) - USD ($) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2022 | Dec. 31, 2021
Supplemental Cash Flow Elements [Abstract] |  |
Noncash investing activities, payables incurred for property, plant and equipment expenditures, unpaid | $ 29,032,000 | $ 12,271,000

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