Cover Page - shares	3 Months Ended
	Mar. 31, 2022	May 12, 2022
Cover [Abstract]
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2022
Document Transition Report	false
Entity File Number	000-50253
Entity Registrant Name	SOUTH DAKOTA SOYBEAN PROCESSORS LLC
Entity Incorporation, State or Country Code	SD
Entity Tax Identification Number	46-0462968
Entity Address, Address Line One	100 Caspian Ave
Entity Address, Address Line Two	PO Box 500
Entity Address, City or Town	Volga
Entity Address, State or Province	SD
Entity Address, Postal Zip Code	57071
City Area Code	605
Local Phone Number	627-9240
Entity Common Stock, Shares Outstanding		30,419,000
Entity Central Index Key	0001163609
Current Fiscal Year End Date	--12-31
Document Type	10-Q
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes