| Dec 31,
2010 | Dec 31,
2011 | Dec 31,
2012 | Dec 31,
2013 | Dec 31,
2014 | Dec 31,
2015 | Dec 31,
2016 | Dec 31,
2017 | Dec 31,
2018 | Dec 31,
2019 | Dec 31,
2020 | Dec 31,
2021 | Dec 31,
2022 | Dec 31,
2023 |
|---|
| Rental revenue | - | - | - | - | - | - | - | 270 | - | 117 | 62 | 55 | 59 | 55 |
|---|
| Other revenue | 793 | 912 | 1,013 | 886 | 862 | 715 | 501 | 341 | 197 | 128 | 66 | 58 | 63 | 61 |
|---|
| Operating expenses | - | - | - | - | - | - | - | - | - | 46 | 29 | 26 | 24 | - |
|---|
| Operating expenses | - | - | - | - | - | - | - | - | - | - | - | - | - | 27 |
|---|
| Depreciation and amortization | - | 219 | 246 | 219 | 228 | 194 | 132 | 91 | 49 | 28 | 19 | 18 | 18 | 17 |
|---|
| General and administrative | 40 | 47 | 52 | 77 | 113 | 57 | 50 | 48 | 44 | 38 | 33 | 37 | 30 | 37 |
|---|
| Total expenses | 603 | 678 | 723 | 667 | 914 | 594 | 441 | 300 | 185 | 113 | 81 | 81 | 72 | 82 |
|---|
| Interest and Other Income | - | 2 | 1 | 1 | 2 | 6 | 10 | 26 | 47 | 72 | 21 | 7 | 47 | 115 |
|---|
| Interest expense (including net amortization of debt premiums and deferred financing fees of $—, $— and $(119), respectively) | 180 | 195 | 204 | 173 | 143 | 107 | 84 | 52 | 27 | 9 | 1 | - | - | - |
|---|
| Gain on sale of properties, net | 34 | - | - | 2 | - | 84 | 251 | 15 | 251 | 422 | 447 | - | 0 | - |
|---|
| Gain on early extinguishment of debt | -1 | -0 | -2 | -60 | 5 | 7 | -3 | -0 | -7 | -6 | 0 | - | - | - |
|---|
| Income (loss) before income taxes | - | 63 | 104 | 53 | -0 | 102 | 234 | 30 | 276 | 494 | 452 | -16 | 38 | 93 |
|---|
| Gain on sale of properties, net | 34 | - | - | 2 | - | 84 | 251 | 15 | 251 | 422 | 447 | - | 0 | - |
|---|
| Income tax expense | 1 | 1 | 3 | 3 | 3 | 2 | 1 | 1 | 3 | 1 | 0 | 0 | 0 | 2 |
|---|
| Income (loss) before income taxes | - | 63 | 104 | 53 | -0 | 102 | 234 | 30 | 276 | 494 | 452 | -16 | 38 | 93 |
|---|
| Net income (loss) | 135 | - | -80 | -157 | 24 | 100 | - | 30 | 273 | 493 | 452 | -16 | 37 | 91 |
|---|
| Income tax expense | 1 | 1 | 3 | 3 | 3 | 2 | 1 | 1 | 3 | 1 | 0 | 0 | 0 | 2 |
|---|
| Net (income) loss attributable to noncontrolling interest | - | - | 16 | 20 | - | - | - | 0 | 0 | 0 | 1 | -0 | 0 | 0 |
|---|
| Net income (loss) | 135 | - | -80 | -157 | 24 | 100 | - | 30 | 273 | 493 | 452 | -16 | 37 | 91 |
|---|
| Net income (loss) attributable to Equity Commonwealth | 135 | 110 | -80 | -157 | 24 | 100 | 233 | 30 | 273 | 493 | 452 | -16 | 37 | 91 |
|---|
| Net (income) loss attributable to noncontrolling interest | - | - | 16 | 20 | - | - | - | 0 | 0 | 0 | 1 | -0 | 0 | 0 |
|---|
| Preferred distributions | - | 47 | 52 | 45 | 32 | 28 | 18 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
|---|
| Net income (loss) attributable to Equity Commonwealth | 135 | 110 | -80 | -157 | 24 | 100 | 233 | 30 | 273 | 493 | 452 | -16 | 37 | 91 |
|---|
| Net income (loss) attributable to Equity Commonwealth common shareholders | 82 | 63 | -152 | -222 | -24 | 72 | 205 | 22 | 265 | 485 | 443 | -24 | 29 | 83 |
|---|
| Preferred distributions | - | 47 | 52 | 45 | 32 | 28 | 18 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
|---|
| Net income (loss) attributable to Equity Commonwealth common shareholders | 82 | 63 | -152 | -222 | -24 | 72 | 205 | 22 | 265 | 485 | 443 | -24 | 29 | 83 |
|---|
| Basic (in dollars per share) | 0.4 | - | - | - | - | 0.56 | 1.64 | 0.17 | 2.17 | 3.97 | 3.64 | -0.2 | 0.26 | 0.76 |
|---|
| Diluted (in dollars per share) | 0.4 | - | - | - | - | 0.56 | 1.62 | 0.17 | 2.15 | 3.9 | 3.56 | -0.2 | 0.26 | 0.75 |
|---|
| Basic (in dollars per share) | 0.4 | - | - | - | - | 0.56 | 1.64 | 0.17 | 2.17 | 3.97 | 3.64 | -0.2 | 0.26 | 0.76 |
|---|
| Diluted (in dollars per share) | 0.4 | - | - | - | - | 0.56 | 1.62 | 0.17 | 2.15 | 3.9 | 3.56 | -0.2 | 0.26 | 0.75 |
|---|