v3.26.1

Members' Equity (Details Textual)	Dec. 31, 2025 $ / Units shares
Equity [Abstract]
Minimum Capital Units \| shares	2,500
Redemption Of Members Equity Per Unit \| $ / Units	0.20

Minimum number of capital units is required for an ownership interest in the company.

No definition available.

Name:	sdsp_MinimumCapitalUnits
Namespace Prefix:	sdsp_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Refers to redemption of member's equity per unit.

No definition available.

Name:	sdsp_RedemptionOfMembersEquityPerUnit
Namespace Prefix:	sdsp_
Data Type:	srt-types:perUnitItemType
Balance Type:	na
Period Type:	instant

No definition available.

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