| Document and Entity Information | Dec. 03, 2020 |
| Document And Entity Information [Abstract] | |
| Document Type | 8-K/A |
| Document Period End Date | Dec. 3, 2020 |
| Entity Registrant Name | DULUTH HOLDINGS INC. |
| Entity Incorporation, State or Country Code | WI |
| Entity File Number | 001-37641 |
| Entity Tax Identification Number | 39-1564801 |
| 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 |
| Trading Symbol | DLTH |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | true |
| Entity Central Index Key | 0001649744 |
| Amendment Flag | true |
| Amendment Description | The sole purpose of this amendment to the Current Report on Form 8-K filed with the Security and Exchange Commission on December 3, 2020 is to add inline eXtensible Business Reporting Language (“XBRL”) tagging to the cover page of this Form 8-K/A and to furnish Exhibit 104 to this From 8-K/A relating to the same. All other information in the Form 8-K remains unchanged. |
