| Fiscal period | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 |
|---|
| Period End Date | 12/31/2020 | 12/31/2019 | 12/31/2018 | 12/31/2017 | 12/31/2016 | 12/31/2015 | 12/31/2014 | 12/31/2013 | 12/31/2012 | 12/31/2011 |
|---|
| Rental and other property revenues attributable to Real Estate | 151.45 | 143.69 | 132.16 | 918.15 | 899.89 | 883.02 | 952.83 | 939.23 | 916.74 | 875.69 |
| Rental and other property revenues of partnerships served by Asset Management business | -- | -- | -- | -- | 74.64 | 73.93 | -- | -- | -- | -- |
| Property management revenues, primarily from affiliates | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Activity fees and asset management revenues, primarily from affiliates | -- | -- | -- | -- | -- | -- | 31.53 | 34.82 | 41.77 | 38.66 |
| Asset management Tax credit and transaction revenues | -- | -- | -- | 87.29 | 21.32 | 24.36 | -- | -- | -- | -- |
| Total Revenues | 151.45 | 143.69 | 132.16 | 1,005.44 | 995.85 | 981.31 | 984.36 | 974.05 | 958.51 | 914.36 |
| Property operating expenses | 61.51 | 57.54 | 53.55 | 319.13 | 317.96 | 324.58 | 373.65 | 375.71 | 374.35 | 376.16 |
| Property operating expenses of partnerships served by Asset Management business | -- | -- | -- | 35.46 | 36.96 | 37.54 | -- | -- | -- | -- |
| Property management expenses | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Activity and asset management expenses | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Amortization of intangibles | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Investment management expenses | -- | -- | -- | -- | -- | -- | 7.31 | 4.34 | 12.01 | 10.46 |
| Depreciation of rental property | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Depreciation and amortization | 77.97 | 64.03 | 49.38 | 366.18 | 333.07 | 306.30 | 282.61 | 291.91 | 325.17 | 323.23 |
| General and administrative expenses | 10.47 | 7.06 | 5.77 | 43.66 | 46.78 | 46.31 | 44.09 | 45.67 | 49.60 | 50.91 |
| Restructuring costs | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Other (expenses) income, net | -- | -- | -- | (11.15) | (14.30) | (10.37) | (14.35) | (7.40) | (12.13) | (18.30) |
| Provision for operating real estate impairment losses | -- | -- | -- | (35.88) | 0.00 | 0.00 | -- | 0.00 | (6.24) | -- |
| Provision for impairment losses on real estate development assets | (15.86) | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Total operating expenses | 165.81 | 128.63 | 108.69 | 811.45 | 749.06 | 725.10 | 722.01 | 725.03 | 779.50 | 779.06 |
| Operating Income (Loss) | -- | -- | -- | -- | -- | 256.22 | 262.35 | 249.02 | 179.02 | 135.29 |
| Interest expense | 27.51 | 18.60 | 19.64 | 194.62 | 196.39 | 199.69 | 220.97 | 237.05 | 229.37 | 272.32 |
| Gain (Loss) on dispositions of real estate related to unconsolidated entities and other | -- | -- | -- | 300.85 | 400.16 | -- | -- | -- | -- | 2.40 |
| Mezzanine investment income, net | 27.58 | 1.53 | -- | -- | -- | -- | -- | -- | -- | -- |
| Equity in Income (losses) of unconsolidated real estate partnerships | -- | -- | -- | -- | -- | -- | -- | -- | -- | (17.72) |
| Equity in Earnings (losses) of unconsolidated subsidiaries | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Deficit distributions to minority partners | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Minority interest in consolidated real estate partnerships | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Interest income | 0.11 | 0.03 | 0.01 | 8.33 | 7.80 | 6.95 | 6.88 | 17.94 | 13.27 | 9.66 |
| Recovery of (provision for) losses on notes receivable | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0.51 |
| Impairment losses related to real estate partnerships | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Other, net | -- | -- | -- | 7.69 | 6.07 | 0.39 | (0.83) | 2.72 | 17.48 | -- |
| Provision for impairment losses on real estate development assets | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Other expenses, net | (2.55) | (2.14) | (1.10) | -- | -- | -- | -- | -- | -- | -- |
| Income from unconsolidated real estate partnerships | 0.81 | 0.94 | 0.94 | -- | -- | -- | -- | -- | -- | -- |
| Income before income taxes | (15.92) | (3.19) | 3.67 | 316.24 | 464.43 | 63.87 | 47.43 | 32.64 | (19.61) | (142.18) |
| Current: Federal | 0.86 | 1.31 | 0.00 | -- | -- | -- | -- | -- | -- | -- |
| Deferred: Federal | (10.47) | (4.66) | 0.02 | -- | -- | -- | -- | -- | -- | -- |
| Income tax benefit | (10.15) | (3.30) | 0.26 | (30.84) | (18.84) | (27.52) | (20.05) | (1.96) | (0.86) | (5.94) |
| Current: State | 0.66 | 0.54 | 0.28 | -- | -- | -- | -- | -- | -- | -- |
| Deferred: State | (1.20) | (0.49) | (0.04) | -- | -- | -- | -- | -- | -- | -- |
| Minority interest in consolidated real estate partnerships | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Minority interest in Aimco Operating Partnership, preferred | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Minority interest in Aimco Operating Partnership, common | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Income (loss) from continuing operations | -- | -- | -- | -- | -- | 91.39 | 67.48 | 34.60 | (18.76) | (136.24) |
| Income from discontinued operations, net | -- | -- | -- | -- | -- | -- | -- | 203.23 | 214.12 | 78.07 |
| Income before cumulative effect of change in accounting principle | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Gain on dispositions of real estate, net of tax | -- | -- | -- | -- | -- | 180.59 | 288.64 | 0.00 | -- | -- |
| Cumulative effect of change in accounting principle | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net (loss) income | (5.77) | 0.11 | 3.41 | 347.08 | 483.27 | 271.98 | 356.11 | 237.83 | 195.36 | (58.16) |
| Net loss (income)attributable to noncontrolling interests in consolidated real estate partnerships | 0.00 | (0.02) | (0.01) | 9.08 | 25.26 | 4.78 | 24.60 | 12.47 | 51.22 | (0.26) |
| Net income attributable to preferred noncontrolling interests in Aimco Operating Partnership | -- | -- | -- | 7.76 | 7.24 | 6.94 | 6.50 | 6.42 | 6.50 | 6.68 |
| Net loss attributable to common noncontrolling interests in Aimco Operating Partnership | (0.27) | 0.02 | 0.17 | 14.46 | 20.37 | 11.55 | 15.77 | 11.64 | 5.19 | (7.50) |
| Net loss attributable to redeemable noncontrolling interest in consolidated real estate partnership | (0.46) | (0.19) | 0.00 | -- | -- | -- | -- | -- | -- | -- |
| Net income attributable to preferred stockholders | -- | -- | -- | 8.59 | 11.99 | 11.79 | 7.95 | 2.80 | 49.89 | 45.85 |
| Net income attributable to participating securities | -- | -- | -- | 0.32 | 0.64 | 0.95 | 1.08 | 0.81 | 0.42 | 0.22 |
| Net income (loss) available to common shareholders | (5.04) | 0.30 | 3.24 | 306.86 | 417.78 | 235.97 | 300.22 | 203.67 | 82.15 | (103.16) |
| income (Loss) from continuing operations (net of preferred dividends) | -- | -- | -- | -- | -- | -- | -- | 0.37 | (0.77) | (1.56) |
| Income from discontinued operations | -- | -- | -- | -- | -- | -- | -- | 1.42 | 1.54 | 0.46 |
| Cumulative effect of change in accounting principle | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net Earnings Per Share (Basic) | (0.03) | 0.00 | 0.02 | 2.50 | 3.42 | 1.94 | 2.63 | 1.79 | 0.78 | (1.10) |
| Income (Loss) from continuing operations (net of preferred dividends) | -- | -- | -- | -- | -- | -- | -- | 0.37 | (0.77) | (1.56) |
| Income from discontinued operations | -- | -- | -- | -- | -- | -- | -- | 1.42 | 1.54 | 0.46 |
| Cumulative effect of change in accounting principle | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net Earnings Per Share (Diluted) | (0.03) | 0.00 | 0.02 | 2.50 | 3.41 | 1.94 | 2.63 | 1.79 | 0.78 | (1.10) |
| Weighted average common shares outstanding - Basic | 148.57 | 148.55 | 148.55 | 122.43 | 122.18 | 121.54 | 114.07 | 113.79 | 105.33 | 93.45 |
| Weighted average common shares outstanding - Diluted | 148.57 | 148.57 | 148.57 | 122.80 | 122.49 | 121.84 | 114.35 | 113.98 | 105.33 | 93.45 |
| Funds from operations (FFO) | -- | -- | -- | 384.23 | 360.73 | 345.52 | 301.83 | 297.02 | 226.46 | 181.81 |