RELATED PARTY ARRANGEMENTS - Expense Support and Conditional Reimbursement (Details) - USD ($)	3 Months Ended	9 Months Ended
Sep. 30, 2022	Mar. 31, 2022	Sep. 30, 2022
RELATED PARTY ARRANGEMENTS
Basis points to be maintained per quarter			12.50%
Basis points to be maintained per annum			50.00%
Expense reimbursements	$ 79,475		$ 324,832
Recoupment term (in years)			3 years
Amount subject to recoupment	79,475	$ 157,933
Balance subject to recoupment	$ 79,475	$ 157,933

A payment from an advisor in which the expenses has previously been incurred.

No definition available.

Name:	spcbdc_ExpenseReimbursements
Namespace Prefix:	spcbdc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of expenses reimbursed by the advisor subject to recoupment.

+ References

No definition available.

+ Details

Name:	spcbdc_ExpensesReimbursedByAdvisorAmountSubjectToRecoupment
Namespace Prefix:	spcbdc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of expenses reimbursed by the advisor balance subject to recoupment.

+ References

No definition available.

+ Details

Name:	spcbdc_ExpensesReimbursedByAdvisorBalanceSubjectToRecoupment
Namespace Prefix:	spcbdc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Period the reimbursements made by the advisor are subject to recoupment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	spcbdc_ReimbursementsMadeByAdvisorSubjectToRecoupmentTerm
Namespace Prefix:	spcbdc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum basis points of annual operating expenses to be maintained of total assets per annum, exceeding which the advisor will reimburse the expenses.

+ References

No definition available.

+ Details

Name:	spcbdc_ThresholdBasisPointOfAnnualOperatingExpensesToBeMaintainedOfTotalAssetsPerAnnum
Namespace Prefix:	spcbdc_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum basis points of annual operating expenses to be maintained of total assets per quarter, exceeding which the advisor will reimburse the expenses.

+ References

No definition available.

+ Details

Name:	spcbdc_ThresholdBasisPointOfAnnualOperatingExpensesToBeMaintainedOfTotalAssetsPerQuarter
Namespace Prefix:	spcbdc_
Data Type:	dtr-types:percentItemType
Balance Type:	na
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