| Cover | Feb. 25, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Feb. 25, 2021 |
| Entity File Number | 1-38005 |
| Entity Registrant Name | Kimbell Royalty Partners, LP |
| Entity Central Index Key | 0001657788 |
| Entity Tax Identification Number | 47-5505475 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 777 Taylor Street |
| Entity Address, Address Line Two | Suite 810 |
| Entity Address, City or Town | Fort Worth |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 76102 |
| City Area Code | 817 |
| Local Phone Number | 945-9700 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Units Representing Limited Partnership Interests |
| Trading Symbol | KRP |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | true |
