| 8K cover Document | Feb. 12, 2021 |
| Cover [Abstract] | |
| Entity Central Index Key | 0001340122 |
| Amendment Flag | false |
| Title of 12(b) Security | Common units representing limited partner interests |
| Entity Incorporation, State or Country Code | DE |
| Document Type | 8-K |
| Document Period End Date | Feb. 12, 2021 |
| Entity Registrant Name | CALUMET SPECIALTY PRODUCTS PARTNERS, L.P. |
| Entity Address, Address Line One | 2780 Waterfront Pkwy E. Drive |
| Entity Address, Address Line Two | Suite 200 |
| Entity Address, City or Town | Indianapolis |
| Entity Address, State or Province | IN |
| Entity Address, Postal Zip Code | 46214 |
| City Area Code | 317 |
| Local Phone Number | 328-5660 |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Written Communications | false |
| Entity File Number | 000-51734 |
| Entity Tax Identification Number | 35-1811116 |
| Trading Symbol | CLMT |
| Security Exchange Name | NASDAQ |
