Document And Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Mar. 02, 2023	Jun. 30, 2022
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	FY
Document Fiscal Year Focus	2022
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2022
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	10055 Seminole Blvd.
Entity Address, City or Town	Seminole
Entity Address, State or Province	FL
Entity Address, Postal Zip Code	33772
City Area Code	727
Local Phone Number	397-9611
Title of 12(b) Security	Common Stock, par value $0.001 per share
Trading Symbol	SGC
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float				$ 189,000,000.0
Entity Common Stock, Shares Outstanding			16,495,730
Auditor Firm ID	248	199
Auditor Name	GRANT THORNTON LLP	Mayer Hoffman McCann P.C.
Auditor Location	Tampa, Florida	St. Petersburg, Florida