Consolidated Statements of Cash Flows (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Maximum
Excise and other taxes paid during period threshold	$ 1	$ 1

Excise and other taxes paid during period threshold.

No definition available.

Name:	ck0001925309_ExciseAndOtherTaxesPaidDuringPeriodThreshold
Namespace Prefix:	ck0001925309_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration