| In millions, except per share items | Dec-31-22 | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-16 | Dec-31-15 | Dec-31-14 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | S-1/A |
| Revenues | 248.1 | 135.6 | 90.5 | 108.2 | 70.3 | 3.6 | 4.7 | 7,219.8 |
| Revenues growth | 82.9% | 49.9% | -16.4% | 54.0% | | -23.0% | -99.9% | |
| Total revenues | 248.1 | 135.6 | 90.5 | 108.2 | 70.3 | 3.6 | 4.7 | 7,219.8 |
| Total revenues growth | 82.9% | 49.9% | -16.4% | 54.0% | | -23.0% | -99.9% | |
| Costs and expenses | | | | | | | | |
| Production and ad valorem taxes | 16.2 | 10.5 | 6.4 | 7.7 | 4.4 | 0.3 | 0.4 | |
| Depreciation and depletion expense | 50.1 | 36.8 | 48.0 | 52.1 | 25.2 | 1.6 | 4.0 | |
| Marketing and other deductions | 13.4 | 12.0 | 9.4 | 8.1 | 4.7 | 0.8 | 0.7 | |
| General and administrative expense | 42.5 | 39.0 | 35.3 | 30.8 | 21.5 | 2.5 | 2.5 | |
| Total costs and expenses | 111.1 | 86.3 | 341.2 | 259.8 | 118.4 | 9.4 | 35.6 | 14,314.0 |
| Operating income | 136.9 | 49.3 | -250.7 | -151.6 | -48.2 | -5.8 | -31.0 | -7,094.2 |
| Operating margin | 55.2% | 36.4% | -277.1% | -140.1% | -68.6% | -159.9% | -660.9% | |
| |
| Other income (expense) | | | | | | | | |
| Equity income in affiliate | 2.7 | 1.1 | 0.8 | 0.1 | | | | |
| Interest expense | -13.8 | -9.2 | -6.4 | -5.8 | -4.1 | -0.4 | -0.4 | -302.1 |
| Loss on extinguishment of debt | | | -0.5 | | | | | |
| Other (expense) income | 4.0 | 1.3 | -0.1 | | | | | |
| |
| Interest earned on marketable securities in trust account | | | | | | | | |
| Net income before income taxes | 133.5 | 42.5 | -257.0 | -157.3 | -52.3 | -6.2 | -31.3 | |
| Income tax expense | 2.7 | 0.1 | -0.9 | 0.9 | 0.0 | 0.0 | 0.0 | |
| Net income | 130.8 | 42.4 | -256.1 | -158.2 | -52.3 | -6.2 | | |
| Net income attributable to non-controlling interests in OpCo | -18.8 | -8.5 | 96.6 | 89.1 | 1.9 | | | |
| Distribution on Class B units | 0.0 | -0.1 | -0.1 | -0.1 | 0.0 | | | |
| |
| Net income per unit attributable to common units of Kimbell Royalty Partners, LP | | | | | | | | |
| Net income per unit attributable to common units (basic) (in dollar per share) | $1.75 | $0.56 | ($4.85) | ($3.92) | ($3.08) | ($10.28) | ($51.83) | $512,149.00 |
| Net income per unit attributable to common units (diluted) (in dollar per share) | $1.72 | $0.51 | ($4.85) | ($3.92) | ($3.08) | ($10.28) | ($51.83) | $512,149.00 |
| |
| Weighted average number of common units outstanding | | | | | | | | |
| Weighted average number of common units outstanding Basic (in units) | 54.1 | 40.4 | 34.5 | 21.2 | 18.4 | 0.6 | 0.6 | |
| Weighted average number of common units outstanding Diluted (in units) | 65.8 | 61.0 | 34.5 | 21.2 | 18.4 | 0.6 | 0.6 | |