RELATED PARTY ARRANGEMENTS - Components of the incentive fees (Details) - USD ($)	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
RELATED PARTY ARRANGEMENTS
Investment income incentive fees incurred	$ 2,136,491	$ 2,509,110
Income incentive fee waiver	(1,242,843)	(204,351)
Incentive fees expense	893,648	$ 2,304,759
Investment income incentive fee currently payable	828,462		$ 2,351,703
Investment income incentive fee deferred	823,044		757,857
Incentive fee payable	$ 1,651,506		$ 3,109,560

Amount of investment income and capital gains incentive fees (reversal) expense.

No definition available.

Name:	scm_InvestmentIncomeAndCapitalGainIncentiveFeesReversalExpense
Namespace Prefix:	scm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of investment income and capital gains incentive fee payable.

+ References

No definition available.

+ Details

Name:	scm_InvestmentIncomeAndCapitalGainsIncentiveFeePayable
Namespace Prefix:	scm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of investment income incentive fees deferred.

+ References

No definition available.

+ Details

Name:	scm_InvestmentIncomeIncentiveFeeDeferred
Namespace Prefix:	scm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying amount of the unpaid portion of the investment income incentive fee payable classified as current.

+ References

No definition available.

+ Details

Name:	scm_InvestmentIncomeIncentiveFeePayableCurrent
Namespace Prefix:	scm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of expense for incentive fee based on performance under arrangement to manage operations, including, but not limited to, investment.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-1

+ Details

Name:	us-gaap_IncentiveFeeExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of fee voluntarily waived by investment company.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480990/946-20-50-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

+ Details

Name:	us-gaap_InvestmentCompanyVoluntaryFeeWaived
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- References

No definition available.

+ Details

Name:	us-gaap_RelatedPartyTransactionsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration