| Document And Entity Information | Oct. 15, 2020 |
| Document Information [Line Items] | |
| Entity, Registrant Name | DELTA APPAREL, INC. |
| Document, Type | 8-K |
| Document, Period End Date | Oct. 15, 2020 |
| Entity, Incorporation, State or Country Code | GA |
| Entity, File Number | 1-15583 |
| Entity, Tax Identification Number | 58-2508794 |
| Entity, Address, Address Line One | 322 South Main Street |
| Entity, Address, City or Town | Greenville |
| Entity, Address, State or Province | SC |
| Entity, Address, Postal Zip Code | 29601 |
| City Area Code | 864 |
| Local Phone Number | 232-5200 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity, Emerging Growth Company | false |
| Title of 12(b) Security | Common |
| Trading Symbol | DLA |
| Security Exchange Name | NYSEAMER |
| Amendment Flag | false |
| Entity, Central Index Key | 0001101396 |
