| Fiscal period | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|
| Period End Date | 12/31/2024 | 12/31/2023 | 12/31/2022 | 12/31/2021 | 12/31/2020 | 12/31/2019 | 12/31/2018 | 12/31/2017 | 12/31/2016 | 12/31/2015 |
|---|
| Rental and other income | 2,906.68 | 2,760.19 | 2,587.11 | 2,291.77 | 2,297.44 | 2,319.67 | 2,280.96 | 2,154.48 | 2,039.66 | 1,846.08 |
| Management, development and other fees | 7.08 | 7.72 | 6.33 | 3.08 | 3.82 | 4.96 | 3.57 | 4.15 | 5.60 | 9.95 |
| Other income | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Total Revenues | 2,913.76 | 2,767.91 | 2,593.45 | 2,294.85 | 2,301.26 | 2,324.63 | 2,284.54 | 2,158.63 | 2,045.26 | 1,856.03 |
| Property taxes | 327.61 | 306.79 | 288.96 | 283.09 | 273.19 | 252.96 | 241.56 | 221.38 | 204.84 | 193.50 |
| Operating expenses, excluding property taxes | 745.85 | 681.34 | 630.15 | 570.85 | 549.91 | 515.15 | 529.00 | 503.95 | 478.44 | 448.75 |
| Depreciation expense | 846.85 | 816.97 | 814.98 | 758.60 | 707.33 | 661.58 | 631.20 | 584.15 | 531.43 | 477.92 |
| General and administrative expense | 77.70 | 76.53 | 74.06 | 69.61 | 60.34 | 58.04 | 56.37 | 50.67 | 45.77 | 42.40 |
| Interest expense, net | -- | (205.99) | (230.07) | (220.42) | (214.15) | (203.59) | (220.97) | (199.66) | (187.51) | (175.62) |
| (Gain) loss on extinguishment of debt, net | -- | (0.15) | (1.65) | (17.79) | (9.33) | (0.60) | (17.49) | (25.47) | (7.08) | 26.74 |
| Expensed acquisition, development and other pursuit costs | (18.34) | (33.48) | (16.57) | (3.23) | (12.40) | (4.99) | (4.31) | (2.74) | (9.92) | (6.82) |
| Total operating expenses | 2,245.87 | 2,130.37 | 2,056.44 | 1,926.70 | 1,826.66 | -- | -- | 1,594.26 | 1,461.05 | 1,307.72 |
| Interest expense, net | 226.59 | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Impairment loss - land holdings | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Casualty and impairment gain, net | 2.94 | 9.12 | -- | 3.12 | -- | -- | 0.22 | 6.25 | (3.94) | (10.54) |
| Gain on acquisition of unconsolidated real estate entity | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Gain on sale of land | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Gain on sale of real estate | -- | -- | 5.04 | 2.10 | 0.44 | 0.44 | 0.35 | (10.91) | 10.22 | 9.65 |
| Loss on interest rate contract | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Equity in income (loss)of unconsolidated entities | 50.68 | 13.45 | 53.39 | 38.59 | 6.42 | 8.65 | 15.27 | 70.74 | 64.96 | 70.02 |
| Minority interest in consolidated partnerships | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Interest income | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Gain on sale of communities | 363.30 | 287.42 | 555.56 | 602.24 | 340.44 | 166.11 | 374.98 | 252.60 | 374.62 | 115.63 |
| Venture partner interest in profit-sharing | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Expensed development and other pursuit costs | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| For-sale condominium marketing and administrative costs | -- | -- | 0.09 | (0.98) | 2.55 | (3.81) | -- | -- | -- | -- |
| Other real estate activity | 0.75 | 0.17 | -- | -- | -- | -- | -- | -- | -- | -- |
| Income from continuing operations before taxes | 1,082.62 | 938.59 | 1,151.08 | 1,010.09 | 824.46 | 799.11 | 974.02 | 876.80 | 1,034.01 | 743.59 |
| Income tax expense | 0.45 | 10.15 | 14.65 | 5.73 | (3.25) | 13.00 | (0.16) | 0.14 | 0.31 | 1.86 |
| Income from continuing operations | -- | -- | -- | -- | -- | -- | -- | -- | 1,033.71 | 741.73 |
| Discontinued operations: Income from discontinued operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Discontinued operations: Gain on sale of communities | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Income before cumulative effect of change in accounting principle | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cumulative effect of change in accounting principle | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net income (loss) | 1,082.18 | 928.44 | 1,136.44 | 1,004.36 | 827.71 | 786.10 | 974.18 | 876.66 | 1,033.71 | 741.73 |
| Net loss (income)attributable to redeemable noncontrolling interests | 0.18 | (0.39) | (0.34) | 0.06 | 0.08 | 0.13 | (0.35) | (0.26) | (0.29) | (0.31) |
| Dividends attributable to preferred stock | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net income allocated to unvested restricted shares | -- | -- | -- | -- | -- | 2.06 | -- | -- | -- | -- |
| Diluted Add: noncontrolling interests of DownREIT unitholders in consolidated partnerships, including discontinued operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net income (loss) available to common shareholders | 1,081.99 | 928.83 | 1,136.78 | 1,004.30 | 827.63 | 783.91 | 974.53 | 876.92 | 1,034.00 | 742.04 |
| Diluted Net income (loss) available to common shareholders | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Income from continuing operations | -- | -- | -- | -- | -- | -- | -- | -- | 7.53 | 5.54 |
| EPS (Basic) : Income from discontinued operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net Earnings Per Share (Basic) | 7.61 | 6.56 | 8.13 | 7.19 | 5.89 | 5.64 | 7.05 | 6.36 | 7.53 | 5.54 |
| Income from continuing operations | -- | -- | -- | -- | -- | -- | -- | -- | 7.52 | 5.51 |
| EPS (Diluted) : Income from discontinued operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net Earnings Per Share (Diluted) | 7.60 | 6.56 | 8.12 | 7.19 | 5.89 | 5.63 | 7.05 | 6.35 | 7.52 | 5.51 |
| Weighted Average Shares Outstanding (Basic) | 142.00 | 141.31 | 139.63 | 139.39 | 140.10 | 139.05 | 137.84 | 137.52 | 136.93 | 133.57 |
| Weighted Average Shares Outstanding (Diluted) | 142.46 | 141.64 | 139.98 | 139.72 | 140.44 | 139.57 | 138.29 | 138.07 | 137.46 | 134.59 |
| Funds from operations (FFO) | 1,564.85 | 1,462.26 | 1,353.73 | 1,135.68 | 1,186.41 | 1,280.69 | 1,218.75 | 1,167.22 | 1,135.76 | 1,083.09 |