v3.25.4

Financial Highlights - Schedule of Financial Highlights of the Company (Parenthetical) (Details)	12 Months Ended
	Dec. 31, 2025 $ / shares
Maximum
Rounding threshold	$ 0.01

X

- Definition

RoundingThreshold

+ References

No definition available.

+ Details

Name:	ck0001674760_RoundingThreshold
Namespace Prefix:	ck0001674760_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: