| In millions, except per share items | Jun-30-23 | Mar-31-23 | Dec-31-22 | Jun-30-22 | Mar-31-22 | Dec-31-21 | Sep-30-21 | Jun-30-21 |
| | 10-Q | 10-Q | 8-K | 10-Q | 10-Q | 10-K | 10-Q | 10-Q |
| Revenues | 60.8 | 66.9 | 68.7 | 72.7 | 33.8 | 55.7 | 31.8 | 25.7 |
| Revenues growth | -16.4% | 98.2% | 23.3% | 182.6% | 50.6% | 139.1% | 72.4% | 100.9% |
| Lease bonus and other income | 2.0 | | | 1.2 | | | | |
| Gain (Loss) on commodity derivative instruments, net | 1.7 | 9.1 | | -7.1 | -32.0 | | | |
| Total revenues | 60.8 | 66.9 | 68.7 | 72.7 | 33.8 | 55.7 | 31.8 | 25.7 |
| Total revenues growth | -16.4% | 98.2% | 23.3% | 182.6% | 50.6% | 139.1% | 72.4% | 100.9% |
| Costs and expenses | | | | | | | | |
| Production and ad valorem taxes | 5.4 | 4.3 | | 5.0 | 4.0 | 2.4 | 3.1 | 2.6 |
| Depreciation and depletion expense | 19.7 | 17.6 | | 11.3 | 10.8 | 11.7 | 8.8 | 8.3 |
| Marketing and other deductions | 2.9 | 2.8 | | 4.1 | 3.5 | 3.2 | 3.0 | 2.6 |
| General and administrative expense | 10.8 | 11.0 | 7.6 | 11.9 | 10.1 | 9.9 | 9.8 | 9.2 |
| Total costs and expenses | 36.1 | 33.6 | 29.8 | 28.8 | 25.6 | 24.0 | 21.7 | 20.1 |
| Operating income | 24.6 | 33.3 | 38.9 | 43.9 | 8.1 | 31.6 | 10.1 | 5.6 |
| Operating margin | 40.6% | 49.8% | 56.6% | 60.4% | 24.1% | 56.8% | 31.8% | 21.7% |
| |
| Other income (expense) | | | | | | | | |
| Equity income in affiliate | | | -1.0 | 3.4 | 0.2 | 0.4 | 0.3 | 0.3 |
| Interest expense | -6.3 | -5.5 | -4.0 | -3.3 | -2.9 | -2.5 | -2.5 | -2.1 |
| Loss on extinguishment of debt | -0.5 | | | | | | | |
| Other (expense) income | -0.2 | | | 0.9 | 3.1 | 1.2 | -0.4 | 0.0 |
| |
| Interest earned on marketable securities in trust account | | | | | | | | |
| Net income before income taxes | 18.7 | 30.3 | | 45.1 | 8.7 | 30.8 | 7.5 | 3.7 |
| Income tax expense | 0.9 | 1.4 | 0.9 | 1.8 | 0.3 | | | |
| Net income | 17.8 | 28.9 | | 43.3 | 8.4 | 30.7 | 7.5 | 3.7 |
| Net income attributable to non-controlling interests in OpCo | -4.3 | -5.6 | -6.8 | -5.4 | -1.1 | -7.5 | -0.8 | -0.6 |
| Distribution on Class B units | 0.0 | 0.0 | | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Net income attributable to common units of Kimbell Royalty Partners, LP | 13.5 | 23.3 | | 37.9 | 7.3 | | | |
| |
| 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) | $0.24 | $0.37 | $59,484,641.00 | $0.66 | ($0.20) | $0.49 | $0.04 | $0.04 |
| Net income per unit attributable to common units (diluted) (in dollar per share) | $0.23 | $0.36 | $69,913,842.00 | $0.55 | ($0.20) | $0.45 | $0.04 | $0.04 |
| |
| Weighted average number of common units outstanding | | | | | | | | |
| Weighted average number of common units outstanding Basic (in units) | 63.3 | 62.5 | | 55.4 | 45.9 | 40.4 | 41.1 | 39.3 |
| Weighted average number of common units outstanding Diluted (in units) | 83.0 | 79.8 | | 65.5 | 45.9 | 61.0 | 42.6 | 41.1 |