| Document and Entity Information | Apr. 22, 2021 |
| Details | |
| Registrant CIK | 0001649744 |
| Registrant Name | DULUTH HOLDINGS INC. |
| SEC Form | 8-K |
| Trading Symbol | DLTH |
| Trading Exchange | NASDAQ |
| Tax Identification Number (TIN) | 39-1564801 |
| Emerging Growth Company | false |
| Entity Incorporation, State or Country Code | WI |
| Entity File Number | 001-37641 |
| Entity Address, Address Line One | 201 East Front Street |
| Entity Address, City or Town | Mount Horeb |
| Entity Address, State or Province | WI |
| Entity Address, Postal Zip Code | 53572 |
| City Area Code | 608 |
| Local Phone Number | 424-1544 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Class B Common Stock, No Par Value |
| Amendment Flag | false |
