Commitments and Contingencies (Details) $ in Thousands	Mar. 31, 2022 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Unpaid commitments for construction and acquisition of property and equipment	$ 1,790

Amounts representing unpaid commitments as of the balance sheet date under the terms of the commitments such as for construction or acquisition of property and equipment.

No definition available.

Name:	sdsp_UnpaidCommitmentsForConstructionAndAcquisitionOfPropertyAndEquipment
Namespace Prefix:	sdsp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant