| In millions, except per share items | Dec-31-22 | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| REVENUES | | | | | | | | |
| Total revenues | 1,695.2 | 419.6 | 144.5 | 191.3 | 165.4 | 108.1 | 42.3 | 47.5 |
| Total revenues growth | 304.0% | 190.4% | -24.4% | 15.7% | 53.0% | 155.7% | -10.9% | -0.3% |
| OPERATING COSTS AND EXPENSES | | | | | | | | |
| Lease operating expense | 230.5 | 49.3 | 29.1 | 28.7 | | | | |
| Production and ad valorem taxes | 123.1 | 26.4 | 9.4 | 11.9 | 9.8 | 6.1 | 2.2 | 2.6 |
| Rig idle and termination expense | | | 0.4 | | | | | |
| Impairment expense | | | 64.5 | | 4.6 | 72.2 | 24.3 | 138.1 |
| Depreciation, depletion and amortization | 301.8 | 106.4 | 96.4 | 69.2 | 47.6 | 36.9 | 25.9 | 31.2 |
| General and administrative expense | 74.2 | 41.9 | 28.2 | 27.6 | 27.3 | 27.1 | 9.4 | 9.7 |
| Transaction costs | 8.2 | 4.9 | 0.6 | 1.1 | 14.3 | 4.7 | 2.5 | 0.6 |
| Accretion of asset retirement obligation | 2.7 | 1.1 | 0.3 | 0.2 | 0.2 | 0.4 | 0.6 | 0.6 |
| Exploration expense | 2.5 | 0.3 | 0.3 | 0.7 | 0.6 | 0.0 | 0.0 | 0.1 |
| Total operating costs and expenses | 742.9 | 230.3 | 229.3 | 139.4 | 123.2 | 167.1 | 88.3 | 198.3 |
| Gain on sale of oil and gas properties, net | 13.9 | 0.7 | 0.2 | | | | | |
| Income (loss) from operations | 966.1 | 190.1 | -84.6 | 55.1 | 44.1 | -49.9 | -46.0 | -149.2 |
| Operating margin | 57.0% | 45.3% | -58.5% | 28.8% | 26.6% | -46.1% | -108.9% | -314.4% |
| |
| OTHER INCOME (EXPENSE) | | | | | | | | |
| Interest expense, net | -66.8 | -10.8 | -5.2 | -6.6 | -2.9 | -2.7 | -1.3 | -0.7 |
| (Loss) gain on derivative contracts, net | -125.1 | -116.8 | 59.9 | -44.0 | 60.9 | -8.0 | -6.6 | 6.4 |
| Other income, net | 0.9 | 0.8 | 0.4 | -0.1 | 0.2 | 0.0 | -0.1 | 0.4 |
| Total other (expense) income | -191.1 | -126.7 | 55.1 | -51.9 | 53.6 | -11.2 | -8.0 | 6.1 |
| Income (loss) before income taxes | 775.0 | 63.4 | -29.5 | 3.2 | 97.7 | -61.1 | -54.0 | -143.1 |
| Income tax (expense) benefit | -124.4 | -1.9 | 0.1 | -1.7 | -2.5 | 16.4 | -0.5 | 26.4 |
| Net income (loss) | 650.6 | 61.5 | -29.4 | 1.6 | 95.2 | -44.7 | -54.5 | -116.7 |
| Less: Net income (loss) attributable to noncontrolling interest | 198.1 | 26.0 | -15.9 | 0.9 | 52.9 | -32.2 | | |
| Net income (loss) attributable to Earthstone Energy, Inc. | 452.5 | 35.5 | -13.5 | 0.7 | 42.3 | -12.5 | -54.5 | -116.7 |
| |
| Net income (loss) per common share attributable to Earthstone Energy, Inc.: | | | | | | | | |
| Basic (in dollars per share) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Diluted (in dollars per share) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | | |
| |
| Weighted average common shares outstanding: | | | | | | | | |
| Basic (in shares) | 88.3 | 47.2 | 29.9 | 29.0 | 28.2 | 23.6 | 18.7 | 13.8 |
| Diluted (in shares) | 96.3 | 50.0 | 29.9 | 29.4 | 28.2 | 23.6 | 18.7 | 13.8 |