Document And Entity Information - shares	9 Months Ended
	Sep. 30, 2023	Oct. 30, 2023
Document Information [Line Items]
Entity Central Index Key	0000095574
Entity Registrant Name	SUPERIOR GROUP OF COMPANIES, INC.
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2023
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2023
Document Transition Report	false
Entity File Number	001-05869
Entity Incorporation, State or Country Code	FL
Entity Tax Identification Number	11-1385670
Entity Address, Address Line One	200 Central Avenue, Suite 2000
Entity Address, City or Town	St. Petersburg
Entity Address, State or Province	FL
Entity Address, Postal Zip Code	33701
City Area Code	727
Local Phone Number	397-9611
Title of 12(b) Security	Common Stock $0.001 par value per share
Trading Symbol	SGC
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		16,505,826