| In millions, except per share items | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 | Dec-31-17 | Dec-31-16 | Dec-31-15 | Dec-31-14 |
| | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K | 10-K |
| Revenue | | | | | | | | |
| Revenue from contracts with customers | 128.1 | 11.3 | 85.9 | 89.2 | 88.7 | 89.3 | 71.3 | 40.3 |
| Revenue from contracts with customers growth | 1030.1% | -86.8% | -3.7% | 0.5% | -0.6% | 25.2% | 76.9% | 28.8% |
| Total Revenue | 128.1 | 11.3 | 85.9 | 89.2 | 88.7 | 89.3 | 71.3 | 40.3 |
| Total Revenue growth | 1030.1% | -86.8% | -3.7% | 0.5% | -0.6% | 25.2% | 76.9% | 28.8% |
| Expenses | | | | | | | | |
| Cost of revenue | | | | | | | | |
| General and administrative | 26.6 | 12.2 | 10.6 | 13.0 | 10.8 | 12.3 | 9.7 | 7.9 |
| Depreciation and amortization | 14.8 | 13.7 | 22.6 | 24.9 | 24.0 | 22.5 | 18.8 | 13.2 |
| Total Expenses | 113.8 | 319.2 | 38.4 | 90.4 | 41.6 | 46.3 | 49.7 | 29.7 |
| Operating Income | 14.4 | -307.9 | 47.5 | 44.1 | 47.2 | 43.0 | 21.6 | 10.6 |
| Operating margin | 11.2% | -2715.4% | 55.3% | 49.4% | 53.2% | 48.2% | 30.2% | 26.4% |
| |
| Other Income (expense) | | | | | | | | |
| Other income | 0.8 | 0.5 | 1.3 | | | | | |
| Interest expense | -12.7 | -10.3 | -10.6 | -12.8 | -12.4 | -14.4 | -9.8 | |
| Total Other Expense | -12.8 | 1.7 | -43.2 | -2.8 | -10.5 | -12.5 | -9.6 | -2.3 |
| |
| Taxes | | | | | | | | |
| Current tax expense | 0.0 | -0.4 | -0.1 | -0.6 | 2.8 | -0.3 | 0.9 | 3.8 |
| Deferred tax expense (benefit) | 4.1 | 0.3 | 0.4 | -1.8 | -0.5 | -0.2 | -2.9 | -4.1 |
| Income tax expense (benefit), net | 4.1 | -0.1 | 0.2 | -2.4 | 2.3 | -0.5 | -1.9 | -0.2 |
| Net Income (Loss) | -2.5 | -306.1 | 4.1 | | 34.3 | 31.0 | 13.9 | 8.6 |
| Less: Net income attributable to non-controlling interest | 9.0 | | | | 1.7 | 1.3 | 1.6 | 1.6 |
| Net Income (Loss) attributable to CorEnergy Infrastructure Trust, Inc. | -11.5 | -306.1 | 4.1 | 43.7 | 32.6 | 29.7 | 12.3 | 7.0 |
| Preferred dividend requirements | 9.4 | 18.5 | 9.3 | 19.1 | 16.2 | 4.1 | 3.8 | |
| Net Income (Loss) attributable to Common Stockholders | -20.9 | -315.3 | -5.2 | 34.2 | 24.6 | 25.5 | 8.5 | 7.0 |
| |
| Weighted Average Shares of Common Stock Outstanding: | | | | | | | | |
| Weighted average shares outstanding - basic (in shares) | | | | | | | | |
| Weighted average common shares - diluted (in shares) | | | | | | | | |
| Net Income (Loss) Per Common Share: | | | | | | | | |
| Basic net earnings (loss) per share (in dollars per share) | | | | | | | | |
| Diluted net earnings (loss) per share (in dollars per share) | | | | | | | | |
| Dividends declared per share (in dollars per share) | $0.20 | $0.90 | $3.00 | $3.00 | $3.00 | $3.00 | $2.75 | $2.57 |