| Cover | Mar. 09, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Mar. 9, 2021 |
| Entity File Number | 0-9068 |
| Entity Registrant Name | WEYCO GROUP, INC. |
| Entity Central Index Key | 0000106532 |
| Entity Tax Identification Number | 39-0702200 |
| Entity Incorporation, State or Country Code | WI |
| Entity Address, Address Line One | 333 W. Estabrook Blvd. |
| Entity Address, Address Line Two | P. O. Box 1188 |
| Entity Address, City or Town | Milwaukee |
| Entity Address, State or Province | WI |
| Entity Address, Postal Zip Code | 53201 |
| City Area Code | 414 |
| Local Phone Number | 908-1600 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock - $1.00 par value per share |
| Trading Symbol | WEYS |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
