| Document And Entity Information | May 01, 2023 |
| Document Information [Line Items] | |
| Entity, Registrant Name | DOUGLAS DYNAMICS, INC. |
| Document, Type | 8-K |
| Document, Period End Date | May 01, 2023 |
| Entity, Incorporation, State or Country Code | DE |
| Entity, File Number | 001-34728 |
| Entity, Tax Identification Number | 13-4275891 |
| Entity, Address, Address Line One | 11270 W Park Place Ste 300 |
| Entity, Address, City or Town | Milwaukee |
| Entity, Address, State or Province | WI |
| Entity, Address, Postal Zip Code | 53224 |
| City Area Code | 414 |
| Local Phone Number | 354-2310 |
| Title of 12(b) Security | Common Stock |
| Trading Symbol | PLOW |
| Security Exchange Name | NYSE |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity, Emerging Growth Company | false |
| Amendment Flag | false |
| Entity, Central Index Key | 0001287213 |
