7Baggers

UDR, Inc
(NYSE:UDR) 

UDR stock logo

UDR, Inc. (NYSE: UDR), an S&P 500 company, is a leading multifamily real estate investment trust with a demonstrated performance history of delivering superior and dependable returns by successfully managing, buying, selling, developing and redeveloping attractive real estate communities in targeted...

Founded: 1972
Full Time Employees: 1,330
Sector: Real Estate
Industry: REIT-Residential

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Quarterly
Annual
    Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-06-30 2018-03-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 
                                                                                  
      revenues:
                                                                                  
      rental income
    423,321,000 428,825,000 429,294,000 423,001,000 419,836,000 420,440,000 418,088,000 413,328,000 411,669,000 410,894,000 408,359,000 403,098,000 398,307,000 398,412,000 390,023,000 367,748,000 356,181,000 347,024,000 328,699,000 309,116,000 299,826,000 301,176,000 308,845,000 305,982,000 320,093,000 302,745,000 289,008,000 278,463,000 267,922,000 256,634,000 250,483,000 248,264,000 244,658,000 241,271,000 240,081,000 240,255,000 236,168,000 231,957,000 234,352,000 217,765,000 212,764,000 207,047,000 206,104,000 203,587,000 200,959,000 194,352,000 188,613,000 184,301,000 182,445,000 181,766,000 177,475,000 172,242,000 169,584,000 187,320,000 176,767,000 164,520,000 167,993,000 159,795,000 153,921,000 151,629,000 150,130,000 150,311,000 151,843,000 150,615,000 152,718,000 146,291,000 138,834,000 125,565,000 -37,520,000 183,065,000 178,231,000 181,145,000 180,237,000 177,634,000 174,257,000 176,810,000 176,102,000 172,514,000 
      joint venture management and other fees
    2,528,000 4,281,000 2,570,000 2,398,000 2,112,000 2,288,000 2,072,000 1,992,000 1,965,000 2,379,000 1,772,000 1,450,000 1,242,000 1,244,000 1,274,000 1,419,000 1,085,000 1,184,000 1,071,000 2,232,000 1,615,000 1,208,000 1,199,000 1,274,000 1,388,000 2,073,000 6,386,000 2,845,000 2,751,000 3,109,000 2,822,000 2,827,000 3,321,000 2,570,000 2,927,000 2,997,000 2,618,000 2,858,000 3,253,000 3,653,000 3,098,000 12,706,000 3,445,000 3,165,000 2,747,000 3,687,000 3,217,000 2,923,000                               
      total revenues
    425,849,000 433,106,000 431,864,000 425,399,000 421,948,000 422,728,000 420,160,000 415,320,000 413,634,000 413,273,000 410,131,000 404,548,000 399,549,000 399,656,000 391,297,000 369,167,000 357,266,000 348,208,000 329,770,000 311,348,000 301,441,000 302,384,000 310,044,000 307,256,000 321,481,000 304,818,000 295,394,000 281,308,000 270,673,000 259,743,000 253,305,000 251,091,000 247,979,000 243,841,000 243,008,000 243,252,000 238,786,000 234,815,000 237,605,000 221,418,000 215,862,000 219,753,000 209,549,000 206,752,000 203,706,000 198,039,000 191,830,000 187,224,000 186,419,000 186,321,000 180,698,000 175,925,000 174,386,000 192,549,000 179,622,000 169,056,000 174,769,000 161,990,000 155,977,000 154,949,000 153,795,000 151,938,000 155,801,000 155,639,000 152,879,000 157,089,000 148,158,000 131,083,000 -36,346,000 183,437,000 178,928,000 181,622,000 180,674,000 178,881,000 174,981,000    
      yoy
    0.92% 2.46% 2.79% 2.43% 2.01% 2.29% 2.45% 2.66% 3.53% 3.41% 4.81% 9.58% 11.84% 14.78% 18.66% 18.57% 18.52% 15.15% 6.36% 1.33% -6.23% -0.80% 4.96% 9.22% 18.77% 17.35% 16.62% 12.03% 9.15% 6.52% 4.24% 3.22% 3.85% 3.84% 2.27% 9.86% 10.62% 6.85% 13.39% 7.09% 5.97% 10.96% 9.24% 10.43% 9.27% 6.29% 6.16% 6.42% 6.90% -3.23% 0.60% 4.06% -0.22% 18.86% 15.16% 9.10% 13.64% 6.62% 0.11% -0.44% 0.60% -3.28% 5.16% 18.73% -520.62% -14.36% -17.20% -27.83% -120.12% 2.55% 2.26%        
      qoq
    -1.68% 0.29% 1.52% 0.82% -0.18% 0.61% 1.17% 0.41% 0.09% 0.77% 1.38% 1.25% -0.03% 2.14% 5.99% 3.33% 2.60% 5.59% 5.92% 3.29% -0.31% -2.47% 0.91% -4.42% 5.47% 3.19% 5.01% 3.93% 4.21% 2.54% 0.88% 1.25% 1.70% 0.34% -0.10% 1.87% 1.69% -1.17% 7.31% 2.57% -1.77% 4.87% 1.35% 1.50% 2.86% 3.24% 2.46% 0.43% 0.05% 3.11% 2.71% 0.88% -9.43% 7.20% 6.25% -3.27% 7.89% 3.86% 0.66% 0.75% 1.22% -2.48% 0.10% 1.81% -2.68% 6.03% 13.03% -460.65% -119.81% 2.52% -1.48% 0.52% 1.00% 2.23%     
      operating expenses:
                                                                                  
      property operating and maintenance
    80,732,000 73,995,000 79,373,000 75,613,000 75,990,000 72,167,000 76,484,000 70,443,000 73,478,000 68,442,000 71,599,000 68,861,000 64,834,000 64,652,000 66,769,000 60,405,000 58,484,000 57,670,000 57,708,000 51,335,000 51,381,000 50,359,000 53,385,000 48,717,000 49,483,000 47,245,000 46,869,000 42,894,000 41,939,000 41,452,000 40,587,000 42,362,000 40,612,000 39,600,000 40,075,000 41,852,000 38,574,000 39,446,000 41,174,000 39,478,000 37,194,000 37,250,000 36,782,000 39,086,000 36,840,000 36,720,000 36,758,000 35,461,000                               
      real estate taxes and insurance
    59,859,000 60,278,000 57,786,000 57,008,000 58,745,000 57,269,000 57,182,000 58,884,000 58,795,000 58,562,000 58,104,000 57,516,000 57,970,000 56,874,000 58,236,000 52,788,000 53,764,000 51,403,000 51,511,000 49,145,000 47,387,000 45,965,000 44,328,000 45,012,000 45,145,000 40,264,000 38,490,000 35,834,000 36,300,000 31,907,000 33,282,000 31,181,000 29,423,000 30,188,000 28,726,000 28,047,000 30,279,000 28,377,000 26,881,000 24,722,000 25,138,000 26,222,000 25,331,000 24,697,000 23,716,000 25,431,000 23,202,000 23,524,000 22,042,000 22,633,000 21,535,000 20,911,000 20,967,000 22,548,000 20,515,000 20,974,000 20,307,000 19,280,000 19,115,000 19,601,000 16,846,000 18,908,000 18,843,000 20,020,000 20,011,000 19,133,000 15,785,000 13,499,000 -5,843,000 21,130,000 21,963,000 21,778,000 21,556,000 20,159,000 20,294,000    
      property management
    13,758,000 13,937,000 13,952,000 13,747,000 13,645,000 13,665,000 13,588,000 13,433,000 13,379,000 13,354,000 13,271,000 13,101,000 12,945,000 12,949,000 12,675,000 11,952,000 11,576,000 10,411,000 9,861,000 9,273,000 8,995,000 8,659,000 8,879,000 8,797,000 9,203,000 8,703,000 8,309,000 8,006,000 7,703,000 7,057,000 6,888,000 6,827,000 6,728,000 6,635,000 6,603,000 6,607,000 6,494,000 6,379,000 6,445,000 5,988,000 5,851,000 5,694,000 5,668,000 5,598,000 5,527,000 5,345,000 5,187,000 5,068,000 5,017,000 4,998,000 4,880,000 4,737,000 4,662,000 5,152,000 4,861,000 4,524,000 4,620,000 4,394,000 4,233,000 4,170,000 4,129,000 4,134,000 4,176,000 4,142,000 4,200,000 4,023,000 3,818,000 3,453,000 4,958,000 5,212,000 5,102,000 5,045,000 5,054,000 5,126,000 5,093,000    
      other operating expenses
    9,415,000 7,947,000 6,975,000 7,753,000 8,059,000 9,613,000 6,382,000 7,593,000 6,828,000 8,320,000 4,611,000 4,259,000 3,032,000 4,008,000 3,746,000 5,027,000 4,712,000 8,604,000 4,237,000 4,373,000 4,435,000 6,153,000 5,543,000 6,100,000 4,966,000 2,800,000 2,751,000 2,735,000 5,646,000 2,825,000 2,009,000 1,950,000 2,369,000 1,691,000 2,369,000 1,636,000 1,892,000 1,752,000 3,534,000 2,639,000 1,769,000 1,766,000 2,174,000 2,009,000 2,162,000 1,926,000 1,807,000 1,643,000 1,464,000 1,467,000 1,434,000 1,383,000 1,450,000 1,539,000 1,544,000 1,459,000 1,510,000 1,396,000 1,457,000 1,485,000 1,144,000 1,172,000 1,769,000 1,496,000 1,381,000 1,158,000 1,020,000 1,004,000 496,000 321,000 314,000 311,000 331,000 308,000 301,000    
      real estate depreciation and amortization
    161,268,000 163,610,000 165,926,000 163,191,000 161,394,000 165,446,000 170,276,000 170,488,000 169,858,000 170,643,000 167,551,000 168,925,000 169,300,000 167,241,000 166,781,000 167,584,000 163,622,000 163,755,000 152,636,000 146,169,000 144,088,000 146,135,000 151,949,000 155,056,000 155,476,000 143,464,000 127,391,000 117,934,000 112,468,000 106,520,000 108,136,000 107,171,000 108,450,000 105,032,000 102,537,000 105,802,000 105,937,000 105,339,000 104,909,000 90,568,000 90,344,000 88,777,000 91,406,000 89,339,000 88,876,000 88,533,000 85,131,000 83,442,000 83,456,000 88,223,000 84,474,000 87,907,000 90,827,000 95,436,000 91,107,000 81,861,000 81,922,000 75,569,000 73,726,000 72,207,000 70,644,000 69,695,000 69,067,000 68,985,000 71,491,000 65,551,000 62,507,000 52,435,000 1,855,000 64,831,000 64,108,000 63,688,000 64,193,000 61,242,000 58,017,000 57,397,000 56,046,000 52,791,000 
      general and administrative
    19,364,000 22,948,000 22,732,000 19,929,000 19,495,000 25,469,000 20,890,000 20,136,000 17,810,000 20,838,000 15,159,000 16,452,000 17,480,000 16,811,000 15,840,000 16,585,000 14,908,000 13,868,000 15,810,000 15,127,000 12,736,000 11,978,000 11,958,000 10,971,000 14,978,000 14,531,000 12,197,000 12,338,000 12,467,000 12,373,000 11,759,000 12,467,000 11,434,000 13,075,000 13,256,000 11,826,000 10,835,000 13,844,000 17,993,000 15,824,000 13,721,000 12,152,000 11,722,000 11,554,000 12,530,000 11,994,000 9,866,000 9,476,000 9,920,000 10,022,000 13,738,000 9,379,000 10,403,000 11,919,000 12,918,000 10,675,000 11,452,000 12,046,000 9,491,000 9,575,000 12,015,000 8,924,000 9,145,000 9,855,000 17,644,000 9,835,000 9,931,000 9,769,000 11,416,000 8,720,000 9,604,000 9,826,000 10,217,000 7,381,000 6,837,000 6,764,000 7,997,000 4,913,000 
      casualty-related charges/(recoveries)
    5,729,000 3,248,000 1,755,000 3,382,000 3,297,000 6,430,000 1,473,000 998,000 6,278,000 -224,000 -1,928,000 1,134,000 4,156,000 8,523,000 901,000 1,074,000 -765,000 -934,000 1,568,000 -2,463,000 5,577,000 778,000  102,000 1,251,000 1,316,000 -1,088,000 246,000  746,000 940,000 2,056,000 1,191,000  -1,102,000 205,000 1,629,000  -45,000 541,000                                       
      other depreciation and amortization
    3,335,000 4,451,000 7,009,000 7,387,000 7,067,000 6,381,000 4,029,000 4,679,000 4,316,000 4,397,000 3,692,000 3,681,000 3,649,000 4,823,000 3,430,000 3,016,000 3,075,000 4,713,000 3,269,000 2,602,000 2,601,000 2,074,000 3,887,000 2,027,000 2,025,000 1,713,000 1,619,000 1,678,000 1,656,000 1,684,000 1,691,000 1,585,000 1,567,000 1,608,000 1,458,000 1,526,000 1,486,000 1,553,000 1,899,000 1,457,000 1,700,000 1,623,000 2,117,000 1,385,000 1,193,000 1,080,000 1,138,000 1,146,000 1,092,000 1,078,000 1,017,000 918,000 919,000 983,000 986,000 1,043,000 1,088,000 1,224,000 1,308,000 1,223,000 1,431,000 858,000 1,478,000 1,394,000 1,853,000 1,140,000 944,000 929,000 492,000 831,000 918,000 853,000 757,000 834,000 732,000 704,000 710,000 706,000 
      total operating expenses
    353,460,000 350,414,000 355,508,000 348,010,000 347,692,000 356,440,000 350,304,000 346,654,000 350,742,000 344,332,000 332,059,000 333,929,000 333,366,000 335,881,000 328,378,000 318,431,000 309,376,000 309,490,000 296,600,000 275,561,000 277,200,000 272,101,000 279,929,000 276,782,000 282,527,000 260,036,000 236,538,000 221,665,000 218,179,000 204,564,000 205,292,000 205,599,000 201,774,000 198,331,000 193,922,000 197,501,000 197,126,000 196,690,000 202,790,000 181,217,000 176,560,000 174,480,000 175,241,000 173,668,000 170,844,000 171,529,000 160,317,000 156,739,000                               
      gain on sale of real estate owned
    157,416,000 194,974,000   47,939,000    16,867,000   325,884,000 1,000        50,829,000                                                          
      operating income
    229,805,000 277,666,000 76,356,000 77,389,000 122,195,000 66,288,000 69,856,000 68,666,000 79,759,000 94,249,000 78,072,000 396,503,000 66,184,000 89,269,000 62,919,000 50,736,000 47,890,000 123,941,000 33,170,000 35,787,000 75,070,000 88,257,000 30,115,000 91,777,000 38,954,000 44,782,000 58,856,000 64,925,000 52,494,000 55,179,000 48,013,000 45,492,000 46,205,000 45,510,000 49,086,000 45,751,000 41,660,000 38,125,000 34,815,000 40,201,000 39,302,000 45,273,000 34,308,000 33,084,000 32,862,000 26,510,000 31,513,000 30,485,000                 -21,102,000 -14,234,000             
      yoy
    88.06% 318.88% 9.30% 12.70% 53.21% -29.67% -10.52% -82.68% 20.51% 5.58% 24.08% 681.50% 38.20% -27.97% 89.69% 41.77% -36.21% 40.43% 10.14% -61.01% 92.71% 97.08% -48.83% 41.36% -25.79% -18.84% 22.58% 42.72% 13.61% 21.25% -2.19% -0.57% 10.91% 19.37% 40.99% 13.81% 6.00% -15.79% 1.48% 21.51% 19.60% 70.78% 8.87% 8.53%                                   
      qoq
    -17.24% 263.65% -1.33% -36.67% 84.34% -5.11% 1.73% -13.91% -15.37% 20.72% -80.31% 499.09% -25.86% 41.88% 24.01% 5.94% -61.36% 273.65% -7.31% -52.33% -14.94% 193.07% -67.19% 135.60% -13.01% -23.91% -9.35% 23.68% -4.87% 14.93% 5.54% -1.54% 1.53% -7.29% 7.29% 9.82% 9.27% 9.51% -13.40% 2.29% -13.19% 31.96% 3.70% 0.68% 23.96% -15.88% 3.37%                  48.25%              
      operating margin %
    53.96% 64.11% 17.68% 18.19% 28.96% 15.68% 16.63% 16.53% 19.28% 22.81% 19.04% 98.01% 16.56% 22.34% 16.08% 13.74% 13.40% 35.59% 10.06% 11.49% 24.90% 29.19% 9.71% 29.87% 12.12% 14.69% 19.92% 23.08% 19.39% 21.24% 18.95% 18.12% 18.63% 18.66% 20.20% 18.81% 17.45% 16.24% 14.65% 18.16% 18.21% 20.60% 16.37% 16.00% 16.13% 13.39% 16.43% 16.28% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% -13.80% -9.06% 0% 0% 0% 0% 0% 0% 0% 0% 0% NaN% NaN% NaN% 
      income from unconsolidated entities
    19,696,000 4,934,000 14,011,000 3,629,000 5,814,000 8,984,000 -1,880,000 4,046,000 9,085,000   9,697,000 9,707,000 1,046,500 10,003,000  5,412,000   9,751,000 4,922,000            -1,426,000 11,198,000 4,072,250 15,285,000 325,000 679,000 15,319,250 2,691,000 -573,000 59,159,000   -428,000 -3,565,000         -1,348,000 -1,332,000 -1,447,000 -835,000 -1,185,000 -737,000 -478,000 -16,742,000 -728,000 -717,000               
      interest expense
    -48,576,000 -49,684,000 -50,569,000 -48,665,000 -47,701,000 -49,625,000 -50,214,000 -47,811,000 -48,062,000 -47,347,000 -44,664,000 -45,113,000 -43,742,000 -43,247,000 -39,905,000 -36,832,000 -35,916,000 -36,418,000 -36,289,000 -35,404,000 -78,156,000 -62,524,000 -62,268,000 -38,597,000 -39,317,000 -60,435,000 -42,523,000 -34,417,000 -33,542,000 -31,598,000 -29,943,000 -30,095,000 -33,866,000 -30,539,000 -29,295,000 -31,954,000 -30,678,000 -31,104,000 -33,170,000 -30,232,000 -29,673,000 -28,800,000 -32,792,000 -33,087,000 -31,691,000 -32,884,000 -30,803,000 -30,981,000                               
      interest income and other income
    2,434,000 5,406,000 3,714,000 8,134,000 1,921,000 -30,858,000 6,159,000 6,498,000 5,865,000   10,447,000 1,010,000 -1,733,500 -7,495,000  -2,440,000   2,536,000 2,057,000            515,000 427,000 362,250 478,000 540,000 431,000 286,000 402,000 382,000                                      
      income before income taxes
    203,359,000 238,322,000 43,512,000 40,487,000 82,229,000 -5,211,000 23,921,000 31,399,000 46,647,000   371,534,000 33,159,000 11,536,000 25,522,000  14,946,000   12,670,000 3,893,000                                                          
      tax benefit
    -455,000 -37,000 -382,000 -258,000 -158,000 -312,000 156,000 -386,000 -337,000   -1,351,000 -234,000 -258,000 -377,000  -343,000   -135,000 -619,000            -366,000 -332,000 177,750 -94,000 402,000 403,000 615,500 633,000 1,404,000 425,000   2,190,000 3,329,000 2,683,000                                
      net income
    202,904,000 238,285,000 43,130,000 40,229,000 82,071,000 -5,523,000 24,077,000 31,013,000 46,310,000   370,183,000 32,925,000 11,278,000 25,145,000  14,603,000   12,535,000 3,274,000            11,062,000 28,396,000 15,158,500 29,466,000 19,564,000 11,604,000 44,999,000 13,695,000 89,884,000 76,417,000   31,086,000 19,012,000 5,354,000 -309,000 58,314,500 -9,676,000 156,306,000 86,628,000             -10,822,000 -8,373,000 865,000 725,259,000 103,991,000 78,829,000 6,696,000 31,832,000 25,060,000 59,352,000 32,184,000 12,007,000 72,648,000 15,135,000 
      yoy
    147.23% -4414.41% 79.13% 29.72% 77.22%   -91.62% 40.65%    125.47%    346.03%                -43.46% 144.71% -66.31% 115.16% -78.23% -84.81%   189.15% 301.94%   -46.69% -296.49% -96.57% -100.36%                 -110.41% -110.62% -87.08% 2178.40% 314.97% 32.82% -79.19% 165.11% -65.50% 292.15%     
      qoq
    -14.85% 452.48% 7.21% -50.98% -1585.99% -122.94% -22.36% -33.03%    1024.32% 191.94% -55.15%      282.86%             -61.04% 87.33% -48.56% 50.61% 68.60% -74.21% 228.58% -84.76% 17.62%    63.51% 255.10% -1832.69% -100.53% -702.67% -106.19% 80.43%              29.25% -1067.98% -99.88% 597.42% 31.92% 1077.26% -78.96% 27.02% -57.78% 84.41% 168.04% -83.47% 380.00%  
      net income margin %
    47.65% 55.02% 9.99% 9.46% 19.45% -1.31% 5.73% 7.47% 11.20% 0% 0% 91.51% 8.24% 2.82% 6.43% 0% 4.09% 0% 0% 4.03% 1.09% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 4.46% 11.65% 6.24% 12.11% 8.19% 4.94% 18.94% 6.19% 41.64% 34.77% 0% 0% 15.26% 9.60% 2.79% -0.17% 31.28% -5.19% 86.50% 49.24% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% -7.08% -5.33% 0.58% 553.28% -286.11% 42.97% 3.74% 17.53% 13.87% 33.18% 18.39% Infinity% Infinity% Infinity% 
      net loss attributable to redeemable noncontrolling interests in the operating partnership and downreit partnership
    -13,061,000 -15,372,000 -2,709,000 -2,545,000 -5,339,000 490,000 -1,574,000 -2,013,000 -3,149,000   -22,630,000 -1,953,000 -671,000 -1,533,000  -879,000   -807,000 -154,000            -854,000 -2,338,000 -1,243,500 -2,459,000 -1,610,000 -905,000                                         
      net loss attributable to noncontrolling interests
    -12,000 -11,000 -12,000 -11,000 -12,000 -11,000 94,000 -117,000 -12,000   -8,000 -8,000 -8,500 -7,000  -19,000   -8,000 -16,000            -51,000 -91,000 -91,250 -51,000 -8,000 -306,000 -1,500 1,000  -7,000   -2,000 -4,000                                 
      net income attributable to udr, inc.
    189,831,000 222,902,000 40,409,000 37,673,000 76,720,000 -5,044,000 22,597,000 28,883,000 43,149,000   347,545,000 30,964,000 10,598,500 23,605,000  13,705,000   11,720,000 3,104,000            10,157,000 25,967,000 13,823,750 26,956,000 17,946,000 10,393,000 43,492,000 13,291,000 86,855,000 73,822,000   30,007,000 18,361,000 5,192,000 -268,000 56,119,250 -9,031,000 150,352,000 83,156,000    -27,875,000 -18,610,750 -23,766,000 -26,621,000 -24,056,000   -12,058,000 -12,629,000               
      distributions to preferred stockholders — series e
    -1,220,000 -1,211,000 -1,211,000 -1,211,000 -1,206,000 -1,197,000 -1,197,000 -1,210,000 -1,231,000 -1,222,000 -1,221,000 -1,222,000 -1,183,000 -1,105,000 -1,106,000 -1,109,000 -1,092,000 -1,058,000 -1,058,000 -1,057,000 -1,056,000 -1,051,000 -1,051,000 -1,062,000 -1,066,000 -1,031,000 -1,031,000 -1,031,000 -1,011,000 -971,000 -955,000 -926,000 -929,000 -929,000 -930,000 -929,000 -929,000 -929,000 -930,000 -930,000 -931,000 -931,000 -931,000 -931,000 -931,000 -931,000 -931,000 -931,000 -931,000 -931,000 -931,000 -931,000 -931,000 -931,000 -931,000 -931,000 -932,000 -932,000 -931,000 -931,000 -931,000 -931,000 -931,000 -931,000 -931,000 -931,000 -931,000 -931,000 -932,000 -931,000 -931,000 -931,000    -931,000 -932,000 -931,000 
      net income attributable to common stockholders
    188,611,000 221,691,000 39,198,000 36,462,000 75,514,000 -6,241,000 21,400,000 27,673,000 41,918,000   346,323,000 29,781,000 9,771,750 22,499,000  12,613,000   10,663,000 2,048,000            9,228,000 25,038,000 13,127,000 26,027,000 17,017,000 9,464,000 42,794,000 12,361,000 85,924,000 72,891,000   29,076,000 17,430,000 4,261,000 -1,199,000 54,151,750 -9,962,000 145,721,000 80,848,000    -30,243,000 -20,384,250 -26,134,000 -28,968,000 -26,435,000                   
      income per weighted-average common share:
                                                                                  
      basic
    580 670 120 110 230 -20 60 80 130   1,050 90 30 70  40   40 10            0.03 0.09 0.05 0.1 0.06                                          
      diluted
    570 670 120 110 230 -20 60 80 130   1,050 90 30 70  40   40 10            0.03 0.09 0.05 0.1 0.06                                          
      weighted-average number of common shares outstanding:
                                                                                  
      basic
    327,301,000 330,322,000 330,668,000 330,778,000 330,628,000 329,290,000 329,421,000 329,056,000 328,823,000 328,765,000 328,760,000 328,957,000 328,789,000 321,671,000 324,701,000 318,351,000 318,009,000 300,326,000 297,828,000 296,589,000 296,537,000 294,545,000 294,713,000 294,710,000 294,457,000 285,247,000 288,706,000 281,960,000 277,002,000 267,311 267,546 267,056 266,972 266,790 265,386,000 266,301 266,268                                          
      diluted
    330,294,000 331,053,000 331,241,000 331,715,000 331,717,000 330,116,000 330,557,000 329,572,000 328,954,000 329,104,000 329,201,000 332,480,000 329,421,000 322,700,000 325,686,000 319,572,000 319,680,000 301,703,000 301,164,000 297,542,000 297,026,000 294,927,000 295,003,000 295,087,000 295,160,000 286,015,000 289,529,000 282,575,000 277,557,000 268,890 269,208 269,062 268,859 268,688 267,311,000 268,305 268,174                                          
      gain/(loss) on sale of real estate owned
             81,471,250        85,223,000    57,974,000  61,303,000                                                       
      ​
                                                                                  
      income/(loss) from unconsolidated entities
             6,228,000 5,508,000     -11,229,000  36,523,000 14,450,000   4,516,000 2,940,000 8,021,000 3,367,000 118,486,000 12,713,000 6,625,000 49,000 -2,032,000 -1,677,000 1,819,000           -2,074,000 -939,000   515,000                                
      interest income and other income/(expense)
             2,097,000 -3,069,000     3,001,000  2,254,000 8,238,000   -1,030,000 2,183,000 2,421,000 2,700,000 2,406,000 1,875,000 1,310,000 9,813,000 1,128,000 2,759,000 481,000                                               
      income/(loss) before income taxes
             110,135,000 35,847,000     5,676,000  126,300,000 19,569,000   29,219,000 -27,030,000 63,622,000 5,704,000 105,239,000 30,921,000 38,443,000 28,814,000                                                  
      tax (provision)/benefit
             -503,250 -428,000     -312,000  -156,000 -529,000   -668,000 -187,000 -1,526,000 -164,000 -2,000 -1,499,000 -125,000 -2,212,000 -233,000 -227,000 -127,000                                               
      net income/
             109,631,750 35,419,000     5,364,000  126,144,000 19,040,000   28,551,000 -27,217,000 62,096,000 5,540,000 105,237,000 29,422,000 38,318,000 26,602,000 22,444,000 89,225,000 17,570,000           67,752,000 41,992,000                                   
      net (income)/loss attributable to redeemable noncontrolling interests in the operating partnership and downreit partnership
             -6,784,250 -2,554,000     -272,000  -8,652,000 -1,260,000   -1,929,000 1,990,000 -4,291,000 -313,000 -7,555,000 -2,162,000 -2,652,000 -2,057,000 -1,813,000 -7,390,000 -1,415,000                                               
      net (income)/loss attributable to noncontrolling interests
             -5,750 -7,000     -8,000  -31,000 -49,000   -90,000 -31,000 -34,000 -6,000 -43,000 -56,000 -47,000 -42,000 -30,000 -79,000 35,000           5,000 4,000                                   
      net income/(loss) attributable to udr, inc.
             102,841,750 32,858,000     5,084,000  117,461,000 17,731,000   26,532,000 -25,258,000 57,771,000 5,221,000 97,639,000 27,204,000 35,619,000 24,503,000 20,601,000 81,756,000 16,190,000           65,417,000 40,549,000           14,651,000                        
      net income/(loss) attributable to common stockholders
             101,935,250 31,637,000     3,975,000  116,403,000 16,673,000   25,481,000 -26,309,000 56,709,000 4,155,000 96,608,000 26,173,000 34,588,000 23,492,000 19,630,000 80,801,000 15,264,000           64,486,000 39,618,000           12,149,000                        
      income/(loss) per weighted-average common share:
                                                                                  
      basic
             310 100     10  390 60   80 -90 190 10 330 90 120 80 0.07 0.3 0.06                                               
      diluted
             310 100     10  380 60   80 -90 190 10 330 90 120 80 0.07 0.3 0.06                                               
      income/(loss) before income taxes and gain/(loss) on sale of real estate owned
                                 22,677,000 19,152,000 17,697,000                                               
      income/(loss) from continuing operations
                                 22,444,000 18,925,000 17,570,000           6,485,000 10,611,000   5,354,000                                
      gain/(loss) on sale of real estate owned, net of tax
                                  70,300,000            61,267,000 31,302,000                                   
      common distributions declared per share
                                 0.323 0.323 0.31 0.31 0.31 0.221 0.295 0.295 0.295 0.208 0.278 0.278 0.278 0.195 0.26 0.26 0.26 0.235 0.235 0.165 0.22 0.22 0.22 0.215 0.2 0.2 0.185 0.185 0.185 0.18 0.18 0.185 0.18 0.18 0.305 1.12 0.33 0.33 0.33 0.33 0.33 0.33 0.33 0.313 0.313 0.313 0.313 0.3 0.3 
      income before income taxes and gain on sale of real estate owned
                                    11,428,000 26,596,000 12,384,500 29,560,000 11,847,000 8,131,000                                         
      income from continuing operations
                                    11,062,000 26,264,000 12,562,250 29,466,000 12,249,000 8,534,000 25,238,500 13,695,000 10,842,000 76,417,000   4,359,000 -5,195,000  -309,000    1,741,000   -29,909,000 -29,627,000 -29,366,000 -28,745,000 -27,837,000 -24,985,000 -17,081,000 -40,356,000 -14,713,000 -12,487,000               
      gain on sale of real estate owned, net of tax
                                     2,132,000 2,596,250  7,315,000 3,070,000 19,760,500  79,042,000    26,709,000 24,294,000                                 
      casualty-related (recoveries)/charges
                                     502,000       843,000 996,000 41,000   500,000                                 
      income per weighted-average common share — basic:
                                         40                                         
      income per weighted-average common share — diluted:
                                         40                                         
      weighted-average number of common shares outstanding — basic
                                         262,456 258,669,000 259,114 257,849 256,834  251,655 250,255 250,177 249,985          165,857 165,403 160,886  149,090 150,000 149,444 147,614 140,982 126,845 127,436 131,665 134,016   134,511 133,732   133,589 136,143  
      weighted-average number of common shares outstanding — diluted
                                         264,285 263,752,000 261,207 262,806 258,662  253,732 252,191 251,822 251,406          165,857 165,403 160,886  149,090 150,000 149,444 147,614 140,982 126,845 127,436 131,665 134,016   134,511 133,732   133,589 137,013  
      income before income taxes, discontinued operations, and gain on sale of real estate owned
                                          24,623,000 13,062,000 9,438,000 75,992,000                                     
      income from discontinued operations, net of tax
                                                18,000 -87,000   156,000 -1,133,000 179,429,000 84,887,000                           
      income before gain on sale of real estate owned
                                          25,238,500 13,695,000 10,842,000 76,417,000   4,377,000 -5,282,000                                 
      net loss attributable to redeemable noncontrolling interests in the operating partnership
                                          -1,505,500 -405,000 -3,029,000 -2,588,000   -1,077,000 -647,000                                 
      income from continuing operations attributable to common stockholders
                                          165 50 330 280   120 70         -170 -170 -170 -180 -180 -170                   
      income from discontinued operations attributable to common stockholders
                                                                                  
      interest and other income
                                             360,000   1,426,000 1,415,000 1,446,000 1,016,000                               
      interest and other income/(expense)
                                              -44,000 9,061,000                                   
      income/(loss) before income taxes and discontinued operations
                                              441,000 8,119,000   2,671,000                                
      tax benefit/(expense)
                                              2,002,750 2,492,000                                   
      income/(loss) from discontinued operations, net of tax
                                               79,000                                   
      income/(loss) before gain/(loss) on sale of real estate owned
                                              6,485,000 10,690,000                                   
      net (income)/loss attributable to redeemable noncontrolling interests in the operating partnership
                                              -2,340,000 -1,447,000                                   
      income/(loss) per weighted-average common share — basic:
                                                                                  
      income/(loss) from continuing operations attributable to common stockholders
                                              260 160   20                                
      income/(loss) from discontinued operations attributable to common stockholders
                                                                                  
      income/(loss) per weighted-average common share — diluted:
                                                                                  
      income before income taxes and discontinued operations
                                                2,169,000 -8,524,000                                 
      hurricane-related (recoveries)/charges
                                                  -2,772,000 -3,021,000                               
      net income attributable to redeemable noncontrolling interests in op
                                                  -159,000                                
      net income attributable to noncontrolling interests
                                                  -3,000 -4,000                               
      distributions to preferred stockholders — series g
                                                      -909,000 -1,377,000 -1,377,000 -1,377,000 -1,396,000 -1,437,000 -1,437,000 -1,436,000 -1,441,000 -1,448,000 -1,581,000 -1,869,000 -1,869,000 -1,869,000 -1,869,000 -1,989,000 -2,278,000 -2,278,000 -2,253,000 -2,328,000 -785,000        
      premium on preferred stock redemptions
                                                                                  
      loss from unconsolidated entities
                                                   -2,802,000 -1,455,500 -719,000 -2,412,000 -2,691,000 -2,092,000 -1,580,000           -326,000 -1,897,000             
      loss before income taxes and discontinued operations
                                                   -2,282,000                               
      tax benefit of taxable reit subsidiary
                                                   1,973,000 1,628,000 2,960,000 2,818,000 22,876,000                           
      net loss attributable to redeemable noncontrolling interests in op
                                                   45,000                               
      income per weighted-average common share — basic and diluted:
                                                                                  
      loss from continuing operations attributable to common stockholders
                                                    -50 -40 -140 -20 -130 -130                         
      income from discontinued operations
                                                    -20  770 380 -58,197,340 11,810,000 44,818,000 971,000 49,000 4,140,000 197,000 -41,000 -62,000 601,000 2,053,000 -168,000               
      weighted-average number of common shares outstanding — basic and diluted
                                                   249,917 238,851,000 249,825 234,031 221,500 201,294 213,816 190,479 182,531    156,131          133,854 134,727        
      revenues
                                                                                  
      non-property income:
                                                                                  
      other income
                                                    3,974,000 4,555,000 3,223,000 3,683,000 4,802,000 5,229,000 2,855,000 4,536,000 6,776,000 2,195,000 2,056,000 3,320,000 1,753,000 1,627,000 3,958,000 5,024,000 161,000 10,798,000 9,324,000 5,518,000 1,174,000 372,000 697,000 477,000 437,000 451,000 724,000    
      expenses
                                                                                  
      rental expenses:
                                                                                  
      personnel
                                                    13,484,000 14,479,000 13,660,000 13,509,000 12,486,000 14,575,000 15,439,000 14,821,000 15,174,000 14,787,000 14,086,000 13,533,000 13,344,000 13,049,000 12,782,000 12,633,000 12,598,000 12,542,000 11,890,000 11,642,000 -8,063,000 16,593,000 16,606,000 18,254,000 17,709,000 17,197,000 17,477,000    
      utilities
                                                    9,231,000 9,641,000 8,676,000 9,365,000 9,391,000 10,185,000 9,122,000 9,050,000 8,717,000 9,097,000 7,951,000 8,710,000 7,794,000 8,207,000 7,350,000 8,367,000 7,640,000 7,977,000 6,705,000 6,979,000 -3,992,000 10,519,000 8,512,000 11,263,000 10,112,000 10,006,000 9,396,000    
      repair and maintenance
                                                    8,389,000 8,660,000 9,350,000 7,984,000 8,348,000 10,575,000 9,594,000 9,003,000 9,603,000 9,737,000 8,516,000 7,912,000 8,274,000 8,315,000 7,899,000 7,209,000 8,055,000 8,219,000 7,363,000 6,696,000 -3,608,000 10,881,000 10,011,000 10,350,000 10,566,000 11,287,000 9,707,000    
      administrative and marketing
                                                    4,418,000 4,059,000 3,921,000 3,531,000 3,638,000 3,684,000 4,317,000 3,975,000 4,433,000 4,165,000 3,999,000 3,850,000 4,046,000 3,636,000 3,584,000 3,333,000 4,572,000 3,551,000 3,279,000 3,238,000 -1,876,000 5,087,000 5,037,000 4,883,000 5,571,000 5,474,000 5,483,000    
      interest:
                                                                                  
      expense incurred
                                                    30,660,000 31,837,000 37,399,000 39,173,000 38,863,000 39,617,000 37,381,000 35,588,000 36,869,000 37,307,000 35,987,000 35,899,000 35,586,000 33,909,000 35,376,000 36,509,000               
      amortization of convertible debt discount
                                                         359,000 359,000 359,000 776,000 859,000                     
      other debt charges/(benefits)
                                                    -69,250 8,000 4,143,000                            
      total expenses
                                                    198,401,000 197,105,000 204,227,000 194,369,000 203,846,000 216,565,000 208,183,000 197,351,000 202,688,000 189,900,000 182,548,000 179,132,000 178,794,000 175,538,000 169,786,000 168,126,000 173,981,000 171,323,000  145,435,000 41,770,000 190,235,000 184,933,000 190,445,000 190,302,000 186,162,000 179,430,000    
      income from operations
                                                    -11,982,000 -10,784,000 -23,529,000 -18,444,000 -29,460,000 -24,016,000 -28,561,000 -28,295,000 -27,919,000 -27,910,000 -26,571,000 -24,183,000 -24,999,000 -23,600,000 -13,985,000                
      loss from continuing operations
                                                    -7,481,250 -8,543,000 -23,123,000  -25,905,000 -25,596,000                         
      net loss attributable to redeemable non-controlling interests in op
                                                    -2,161,000 687,000 -5,911,000 -3,420,000 -1,587,000 581,000                         
      net income attributable to non-controlling interests
                                                    -3,000 -42,000 -43,000 -52,000 -33,000 -46,000 -37,000 -51,000 -2,974,000 839,000 1,019,000 970,000                   
      premium on preferred stock redemption or repurchases
                                                    -697,750  -2,791,000                            
      earnings per weighted-average common share — basic and diluted:
                                                                                  
      interest
                                                                    27,464,500 37,361,000 36,706,000 35,791,000 41,602,000 46,110,000 42,758,000 44,194,000 44,236,000 47,148,000 46,093,000 44,094,000 43,161,000 41,331,000 
      other debt (benefits)/charges
                                                       -4,428,000                           
      other debt charges
                                                        1,013,000 -7,000 40,000 4,019,000                       
      consolidated net incomes
                                                        -6,883,250 -13,786,000                         
      net loss attributable to udr, inc.
                                                        -6,618,750 -13,251,000                         
      (premium)/discount on preferred stock repurchases
                                                          -175,000                        
      net loss attributable to common stockholders
                                                        -8,413,250 -15,559,000                         
      consolidated net income/
                                                          14,909,000                        
      net (income)/loss attributable to redeemable non-controlling interests in op
                                                          -221,000                        
      consolidated net income
                                                           -28,656,000 -19,317,750 -24,605,000 -27,640,000 -25,026,000   -12,660,000 -13,423,000               
      net income attributable to redeemable non-controlling interests in op
                                                           832,000                       
      earnings per weighted-average common share — basic:
                                                                                  
      earnings per weighted-average common share — diluted:
                                                                                  
      net income/(gain) on debt extinguishment
                                                            83,000 91,000 1,030,000                    
      expenses related to tender offer
                                                                 3,764,000                 
      storm related (income)/expenses
                                                            167,250 -52,000                     
      discount on preferred stock repurchases
                                                              25,000                    
      amortization of convertible debt premium
                                                              928,000 967,000 829,000 967,000 1,053,000 1,296,000               
      storm related expenses
                                                              721,000                    
      tax expense for taxable reit subsidiary
                                                              -81,000 -65,000                   
      net gain on debt extinguishment
                                                                                  
      hurricane related expenses
                                                                                  
      tax (expense)/benefit for taxable reit subsidiary
                                                                -246,000 -14,000                 
      consolidated net (loss)/income
                                                                -25,785,000 -39,755,000                 
      net income/(income) attributable to non-controlling interests
                                                                916,000 1,779,000 602,000 794,000               
      net (loss)/income attributable to udr, inc.
                                                                -24,869,000 -37,976,000                 
      net (loss)/income attributable to common stockholders
                                                                -24,795,000 -40,776,000                 
      income from continuing operations available to common stockholders
                                                                -125 -270 -110 -100               
      gain on debt extinguishment
                                                                  -2,736,000 -7,113,000               
      tax benefit/(expense) for trs
                                                                                  
      net income available to common stockholders
                                                                  -14,858,000 -15,429,000 -13,622,000 -8,237,000 -2,344,000 722,050,000 100,806,000 75,570,000 811,000 27,990,000 21,217,000 55,510,000 28,342,000 8,165,000 68,805,000 11,293,000 
      tax benefit for the trs
                                                                   -51,000               
      income before discontinued operations
                                                                   -13,255,000               
      other expenses
                                                                    208,250 833,000             
      minority interests of outside partnerships
                                                                    -66,000 -39,000 -38,000 -59,000 -40,000 -45,000 -37,000 -30,000    -16,000 -19,000 22,000 
      minority interests of unitholders in operating partnerships
                                                                    1,529,000 860,000 468,000 1,126,000 -1,779,000 587,000 707,000 724,000 682,000 773,000 508,000 468,000 -19,000 55,000 
      loss before discontinued operations, net of minority interests
                                                                    -9,988,750 -15,310,000 -11,360,000            
      income from discontinued operations, net of minority interests
                                                                    -570,000 6,937,000 12,225,000 738,544,000 70,127,000 85,085,000 12,031,000 39,961,000 34,022,000 65,893,000 36,163,000 15,359,000 68,493,000 11,952,000 
      distributions to preferred stockholders — series b
                                                                          -1,908,000 -2,911,000    -2,911,000 -2,911,000 -2,911,000 
      discount/(premium) on preferred stock repurchases
                                                                     3,056,000             
      loss from continuing operations available to common stockholders, net of minority interests
                                                                    -90 -110 -120            
      loss before minority interests and discontinued operations
                                                                      -11,790,000            
      premium on preferred stock repurchases
                                                                          -2,261,000        
      income before minority interests and discontinued operations
                                                                       -14,352,000 -78,116,000 -6,798,000 -6,005,000 -8,823,000    -3,804,000 4,193,000 3,106,000 
      income before discontinued operations, net of minority interests
                                                                       -13,285,000 33,864,000 -6,256,000 -5,335,000 -8,129,000    -3,352,000 4,155,000 3,183,000 
      income from continuing operations available to common stockholders, net of minority interests
                                                                       -130 230 -70 -80 -90 -100 -70 -60 -50  -10 
      sale of technology investment
                                                                             796,000     
      total non-property income
                                                                            437,000 1,247,000 724,000    
      loss on early debt retirement
                                                                                -123,000  
      distributions to preferred stockholders—series b
                                                                                  
      distributions to preferred stockholders—series e
                                                                                  
      earnings per weighted-average common share—basic and diluted:
                                                                                  
      weighted-average number of common shares outstanding—basic
                                                                             133,712 133,676    
      weighted-average number of common shares outstanding—diluted
                                                                             133,712 133,676    
      distributions to preferred stockholders — series d
                                                                                  
      premium on preferred stock conversions
                                                                                  
      weighted-average number of common shares outstanding
                                                                                 136,392,000 
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-06-30 2018-03-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 
                                                                                    
        assets
                                                                                    
        real estate owned:
                                                                                    
        real estate held for investment
      16,116,838,000 16,415,000,000 16,348,713,000 16,270,190,000 16,022,078,000 15,994,794,000 16,152,262,000 16,070,591,000 15,865,033,000 15,757,456,000 15,779,481,000 15,340,416,000 15,565,915,000 15,365,928,000 15,075,552,000 14,872,687,000 14,374,944,000 14,352,234,000 13,902,872,000 13,325,599,000 12,852,700,000 12,706,940,000 12,533,801,000 12,643,851,000 12,608,022,000 12,532,324,000 11,542,550,000 11,011,516,000 10,680,555,000 9,940,707,000 9,558,744,000 9,456,293,000 9,423,191,000 9,393,732,000 9,271,847,000 8,984,369,000 9,073,474,000 9,000,652,000 9,053,599,000 8,162,463,000 8,332,634,000 8,256,995,000 8,205,627,000 8,106,684,000 7,957,185,000 8,075,799,000 7,582,981,000 7,729,300,000 7,564,780,000 7,495,985,000 7,479,239,000 7,372,080,000 7,825,725,000 7,988,133,000 7,141,505,000 6,542,227,000 6,783,435,000 6,758,458,000 6,251,365,000 6,115,026,000 5,995,290,000 5,835,852,000 5,720,069,000 5,693,789,000 5,644,930,000 5,555,281,000 4,977,957,000 4,757,850,000 4,131,881,000 5,536,554,000 5,480,288,000 5,642,942,000 5,559,156,000 5,414,298,000 5,372,252,000 5,275,689,000 5,360,106,000 5,215,424,000 
        less: accumulated depreciation
      -7,378,368,000 -7,374,546,000 -7,320,363,000 -7,157,371,000 -6,996,685,000 -6,836,920,000 -6,739,674,000 -6,572,743,000 -6,407,092,000 -6,242,686,000 -6,117,312,000 -5,951,557,000 -5,926,651,000 -5,762,205,000 -5,594,600,000 -5,443,351,000 -5,288,902,000 -5,136,589,000 -4,983,109,000 -4,871,124,000 -4,729,702,000 -4,590,577,000 -4,467,108,000 -4,372,321,000 -4,231,269,000 -4,131,330,000 -4,000,608,000 -3,878,897,000 -3,764,099,000 -3,518,824,000 -3,407,025,000 -3,235,851,000 -3,131,603,000 -3,026,660,000 -2,923,072,000 -2,849,902,000 -2,842,273,000 -2,743,461,000 -2,646,044,000 -2,557,490,000 -2,557,949,000 -2,521,958,000 -2,434,772,000 -2,378,520,000 -2,290,008,000 -2,273,360,000 -2,070,403,000 -2,006,349,000 -1,923,429,000 -1,842,520,000 -1,769,530,000 -1,687,908,000 -1,831,157,000 -1,794,150,000 -1,726,258,000 -1,647,033,000 -1,638,326,000 -1,560,239,000 -1,488,706,000 -1,414,593,000 -1,350,067,000 -1,284,227,000 -1,214,447,000 -1,146,487,000 -1,078,637,000 -999,679,000 -935,369,000 -874,645,000 -822,831,000 -1,368,335,000 -1,308,407,000 -1,300,634,000 -1,238,392,000 -1,164,077,000   -1,123,119,000  
        real estate under development
      91,742,000 72,885,000 52,749,000 41,108,000 33,535,000    126,144,000 160,220,000 139,143,000 108,432,000 76,455,000 189,809,000 366,200,000 399,029,000 457,160,000 388,062,000 331,200,000 286,543,000 242,881,000 246,867,000 197,313,000 131,585,000 95,245,000 69,754,000 21,845,000   335,665,000 644,207,000 532,580,000 465,301,000 393,837,000 342,282,000 294,844,000 238,938,000 196,402,000 124,072,000 104,080,000 92,645,000 196,511,000 177,632,000 321,094,000 275,819,000 222,601,000 432,461,000 451,683,000 489,795,000 355,465,000 282,006,000 225,817,000 248,176,000 192,815,000 157,301,000 112,537,000 97,912,000 94,249,000 153,208,000 237,923,000 318,531,000 232,957,000 248,335,000 209,040,000 186,771,000 121,557,000 327,564,000 349,454,000 345,037,000 320,898,000 258,429,000 177,463,000 203,786,000 161,580,000 202,972,000 129,235,000 117,328,000 102,982,000 
        total real estate owned, net of accumulated depreciation
      8,830,212,000 9,113,339,000 9,081,099,000 9,153,927,000 9,058,928,000 9,312,337,000 9,412,588,000 9,497,848,000 9,584,085,000 9,756,029,000 9,801,312,000 9,497,291,000 9,715,719,000 9,807,571,000 9,862,171,000 9,828,365,000 9,543,202,000 9,603,707,000 9,290,028,000 8,741,018,000 8,365,879,000 8,466,106,000 8,348,249,000 8,403,115,000 8,545,527,000 8,470,748,000 7,563,787,000 7,132,619,000 6,916,456,000 6,757,548,000 6,795,926,000 6,753,022,000 6,756,889,000 6,760,909,000 6,692,128,000 6,480,363,000 6,470,139,000 6,485,337,000 6,543,402,000 5,825,473,000 5,867,330,000 5,931,548,000 5,948,487,000 6,049,258,000 5,997,529,000 6,035,192,000 5,945,039,000 6,174,634,000 6,131,146,000 6,008,930,000 5,991,715,000 6,189,374,000 6,242,744,000 6,423,164,000 5,572,548,000 5,200,271,000 5,243,021,000 5,292,468,000 4,915,867,000 4,938,356,000 4,963,754,000 4,784,582,000 4,753,957,000 4,756,342,000 4,753,064,000 4,716,159,000 4,415,171,000 4,288,095,000 4,580,782,000 4,530,415,000 4,643,769,000 4,595,637,000 4,566,395,000 4,550,850,000 4,607,936,000 4,390,654,000 4,388,595,000 4,300,217,000 
        cash and cash equivalents
      1,300,000 1,222,000 1,194,000 1,532,000 1,250,000 1,326,000 2,285,000 2,770,000 2,116,000 2,922,000 1,624,000 1,544,000 1,172,000 1,193,000 1,532,000 921,000 895,000 967,000 1,063,000 3,370,000 1,172,000 1,409,000 927,000 833,000 980,000 8,106,000 1,895,000 981,000 1,043,000 1,055,000 1,083,000 1,788,000 1,411,000 2,460,000 2,112,000 3,301,000 5,167,000 3,668,000 6,742,000 1,321,000 2,990,000 6,274,000 15,224,000 14,605,000 26,816,000 15,891,000 9,035,000 7,121,000 12,115,000 82,377,000 184,112,000 3,558,000 12,503,000 13,482,000 21,634,000 11,692,000 9,486,000 10,107,000 8,074,000 19,920,000 5,985,000 24,954,000 4,983,000 37,132,000 12,740,000 2,861,000 1,412,000 60,187,000 3,219,000 2,353,000 2,928,000 1,676,000 2,143,000 28,748,000 6,290,000 36,336,000 15,543,000 5,480,000 
        restricted cash
      33,498,000 35,710,000 35,052,000 33,577,000 32,071,000 34,101,000 33,267,000 31,616,000 29,850,000 31,944,000 30,831,000 28,837,000 28,038,000 29,001,000 28,363,000 27,768,000 26,032,000 27,451,000 28,170,000 32,700,000 33,428,000 22,762,000 23,273,000 22,043,000 21,949,000 25,185,000 21,646,000 23,042,000 23,111,000 29,857,000 19,770,000 20,413,000 19,602,000 19,757,000 19,994,000 21,233,000 20,524,000 21,030,000 20,798,000 23,722,000 22,912,000 23,266,000 22,340,000 23,969,000 23,334,000 23,131,000 24,843,000 24,628,000 23,561,000 25,091,000 24,580,000 24,218,000 24,634,000 19,641,000 20,220,000 15,355,000 15,447,000 14,879,000 9,744,000 8,642,000 8,879,000 8,280,000 8,795,000 8,617,000 7,726,000 10,070,000 8,515,000 9,082,000 6,295,000 5,883,000 5,259,000 6,168,000 5,602,000 5,591,000 5,012,000 4,809,000 4,583,000 4,418,000 
        notes receivable
      153,564,000 149,979,000 146,749,000 143,492,000 365,833,000 247,849,000 280,006,000 241,842,000 235,382,000 228,825,000 209,297,000 183,629,000 71,125,000 54,707,000 40,128,000 37,548,000 26,577,000 26,860,000 25,741,000 139,047,000 155,206,000 157,992,000 156,996,000 155,956,000 151,543,000 153,650,000 37,899,000 37,494,000 36,974,000 40,709,000 39,469,000 18,594,000 17,290,000 19,790,000 19,790,000 19,694,000 19,694,000 16,694,000 16,694,000 15,494,000 15,494,000 15,494,000 14,369,000 18,318,000 44,248,000 84,568,000 66,700,000 66,193,000 64,006,000 63,998,000 39,409,000 13,200,000  7,800,000 7,800,000 7,800,000 7,800,000 7,800,000 7,800,000 7,800,000 7,800,000 7,300,000 7,300,000 207,300,000 207,450,000 207,450,000 224,776,000 219,807,000 12,655,000 6,500,000 6,500,000 6,500,000 10,500,000 10,000,000 13,960,000 36,120,000 64,805,000  
        investment in and advances to unconsolidated joint ventures
      757,689,000 886,492,000 911,575,000 879,781,000 919,814,000 917,483,000 966,227,000 958,943,000 954,301,000 952,934,000 963,927,000 963,253,000 751,387,000 754,446,000 761,117,000 691,864,000 669,343,000 702,461,000 643,902,000 619,172,000 620,111,000 600,233,000 646,355,000 598,058,000 588,395,000 588,262,000 791,180,000 769,000,000 749,100,000 739,910,000 732,578,000 839,864,000 843,167,000 818,990,000 827,025,000 917,941,000 933,403,000 944,864,000 938,906,000 921,925,000 914,815,000 763,540,000 718,226,000 650,441,000 612,688,000 517,927,000 533,335,000 461,397,000                               
        operating lease right-of-use assets
      186,641,000 187,624,000 184,172,000 185,125,000 186,066,000 186,997,000 187,918,000 188,828,000 189,729,000 190,619,000 191,499,000 192,369,000 193,230,000 194,081,000 194,923,000 195,755,000 196,578,000 197,463,000 198,339,000 199,206,000 200,064,000 200,913,000 201,754,000 202,586,000 203,410,000 204,225,000 135,889,000  94,145,000                                                  
        other assets
      370,870,000 231,308,000 242,071,000 249,651,000 181,450,000 197,493,000 197,473,000 195,958,000 195,025,000 209,969,000 221,572,000 218,782,000 207,029,000 197,471,000 209,728,000 214,765,000 222,337,000 216,311,000 213,321,000 184,758,000 190,696,000 188,118,000 173,834,000 181,880,000 179,301,000 186,296,000 145,301,000 140,191,000 134,896,000 138,279,000 120,222,000 127,024,000 129,575,000 114,005,000 118,535,000 121,475,000 126,423,000 129,975,000 137,302,000 114,589,000 96,259,000 96,713,000 105,202,000 117,153,000 171,970,000 131,798,000 137,548,000 133,154,000 125,654,000 124,358,000 124,128,000 131,563,000 198,365,000 129,931,000 137,424,000 95,814,000 74,596,000 67,615,000 57,021,000 63,055,000 67,822,000 68,521,000 71,848,000 66,562,000 85,842,000 84,339,000 71,812,000 60,765,000 45,428,000 54,870,000 43,868,000 37,043,000 43,123,000 49,687,000 48,420,000 31,019,000 34,011,000 45,532,000 
        total assets
      10,333,774,000 10,605,674,000 10,601,912,000 10,647,085,000 10,745,412,000 10,897,586,000 11,079,764,000 11,117,805,000 11,190,488,000 11,373,242,000 11,420,062,000 11,085,705,000 10,967,700,000 11,038,470,000 11,097,962,000 10,996,986,000 10,684,964,000 10,775,220,000 10,400,564,000 9,919,271,000 9,566,556,000 9,637,533,000 9,551,388,000 9,564,471,000 9,691,105,000 9,636,472,000 8,697,597,000 8,197,266,000 7,955,725,000 7,707,358,000 7,709,048,000 7,760,705,000 7,767,934,000 7,735,911,000 7,679,584,000 7,651,169,000 7,610,082,000 7,601,568,000 7,663,844,000 6,922,730,000 6,939,730,000 6,858,511,000 6,846,534,000 6,898,088,000 6,932,405,000 6,834,023,000 6,743,543,000 6,890,781,000 6,888,509,000 6,910,902,000 6,972,621,000 6,942,515,000 6,721,354,000 6,804,903,000 5,961,777,000 5,501,877,000 5,529,540,000 5,477,358,000 5,079,369,000 5,115,716,000 5,132,617,000 5,010,257,000 4,970,898,000 5,185,530,000 5,144,295,000 5,100,212,000 5,036,146,000 5,070,205,000 4,801,121,000 4,674,598,000 4,803,517,000 4,744,995,000 4,675,875,000 4,682,266,000 4,718,832,000 4,530,842,000 4,541,593,000 4,480,429,000 
        liabilities and equity
                                                                                    
        liabilities:
                                                                                    
        secured debt
      959,597,000 961,180,000 1,090,305,000 1,136,046,000 1,137,826,000 1,139,331,000 1,140,692,000 1,235,748,000 1,236,779,000 1,277,713,000 1,238,240,000 1,049,715,000 1,051,000,000 1,052,281,000 1,053,560,000 1,054,836,000 1,056,110,000 1,057,380,000 1,058,647,000 1,059,913,000 919,177,000 862,147,000 933,087,000 1,112,870,000 1,144,201,000 1,149,441,000 600,624,000 598,389,000 599,796,000 799,815,000 801,523,000 804,977,000 806,647,000 1,031,507,000 1,130,858,000 1,048,993,000 1,256,119,000 1,374,670,000 1,376,945,000 1,346,992,000 1,350,439,000 1,370,673,000 1,361,529,000 1,399,372,000 1,402,731,000 1,442,873,000 1,385,034,000 1,425,663,000 1,430,135,000 1,439,762,000 1,442,361,000 1,813,942,000 1,891,553,000 2,004,525,000 1,992,401,000 1,716,241,000 1,963,670,000 2,045,810,000 1,957,406,000 1,945,065,000 1,989,434,000 1,863,127,000 1,729,290,000 1,717,244,000 1,462,471,000 1,315,075,000 1,206,817,000 1,146,532,000 910,611,000 1,213,129,000 1,254,612,000 1,207,302,000 1,182,919,000 1,161,919,000 1,167,748,000 1,122,162,000 1,116,259,000 1,110,855,000 
        unsecured debt
      4,703,719,000 4,860,189,000 4,743,864,000 4,639,537,000 4,673,383,000 4,687,634,000 4,724,571,000 4,540,388,000 4,525,549,000 4,520,996,000 4,514,582,000 4,377,497,000 4,525,963,000 4,435,022,000 4,572,802,000 4,462,398,000 4,422,900,000 4,355,407,000 4,463,792,000 4,392,194,000 4,121,998,000 4,114,401,000 3,984,559,000 3,653,934,000 3,740,937,000 3,558,083,000 3,335,273,000 3,272,200,000 2,990,033,000 2,952,297,000 2,879,150,000 2,874,034,000 2,828,001,000 2,505,785,000 2,270,620,000 2,495,397,000 2,209,058,000 2,037,155,000 2,193,850,000 2,166,242,000 2,213,964,000 2,145,996,000 2,221,576,000 2,228,820,000 2,345,063,000 2,185,373,000 2,009,689,000 2,073,444,000 1,979,198,000 1,902,953,000 1,902,707,000 2,099,462,000 2,026,817,000 1,967,661,000 1,707,185,000 1,747,236,000 1,603,834,000 1,433,860,000 1,454,252,000 1,469,013,000 1,437,155,000 1,411,919,000 1,484,659,000 1,643,177,000 1,811,576,000 2,035,454,000 2,012,727,000 2,027,800,000 2,364,740,000 2,225,498,000 2,339,752,000 2,263,361,000 2,155,866,000 2,170,924,000 2,234,118,000 2,092,003,000 2,043,518,000 1,945,672,000 
        operating lease liabilities
      181,995,000 182,963,000 179,496,000 180,433,000 181,359,000 182,275,000 183,181,000 184,076,000 184,961,000 185,836,000 186,701,000 187,556,000 188,402,000 189,238,000 190,064,000 190,881,000 191,689,000 192,488,000 193,277,000 194,058,000 194,829,000 195,592,000 196,346,000 197,092,000 197,829,000 198,558,000 130,135,000  88,218,000                                                  
        real estate taxes payable
      35,378,000 45,640,000 67,728,000 42,507,000 36,646,000 46,403,000 68,816,000 44,333,000 37,917,000 47,107,000 68,900,000 38,945,000 35,052,000 37,681,000 61,210,000 36,791,000 32,908,000 33,095,000 55,849,000 34,146,000 32,437,000 29,946,000 49,239,000 31,952,000 33,134,000 29,445,000 42,031,000 23,919,000 27,205,000 21,972,000 24,130,000 35,337,000 19,595,000 23,105,000 17,388,000 36,030,000 23,168,000 16,147,000 18,786,000 32,326,000 18,263,000 21,848,000 15,978,000 29,403,000 16,543,000 20,173,000 14,586,000 11,132,000 14,076,000 26,414,000 13,087,000 16,019,000 13,397,000 28,729,000 14,525,000 17,605,000 14,585,000 28,871,000 15,215,000 16,895,000 16,976,000 32,500,000 18,665,000 19,141,000 14,035,000 28,836,000 16,246,000 15,209,000 8,808,000 40,449,000 25,119,000 21,213,000 25,557,000 37,559,000 25,023,000 21,208,000 24,672,000 36,679,000 
        accrued interest payable
      27,817,000 51,698,000 28,415,000 51,718,000 28,055,000 52,631,000 28,773,000 47,289,000 27,255,000 47,710,000 27,071,000 46,729,000 26,580,000 46,671,000 26,109,000 45,917,000 25,700,000 45,980,000 25,674,000 43,536,000 23,149,000 44,760,000 30,606,000 47,087,000 31,494,000 45,199,000 27,577,000 42,029,000 29,397,000 38,201,000 28,850,000 30,192,000 28,482,000 27,887,000 29,257,000 28,135,000 26,735,000 28,589,000 29,162,000 23,577,000 27,735,000 23,460,000 34,215,000 27,131,000 29,160,000 27,747,000 29,598,000 29,404,000 30,937,000 29,498,000 31,156,000 31,127,000 23,208,000 23,924,000 23,341,000 20,837,000 20,889,000 19,939,000 20,002,000 20,098,000 19,146,000 19,108,000 18,717,000 21,574,000 20,744,000 24,724,000 23,736,000 26,953,000 27,999,000 28,651,000 28,852,000 26,175,000 34,347,000 22,429,000 27,665,000 24,178,000 26,672,000 21,789,000 
        security deposits and prepaid rent
      59,557,000 61,205,000 60,563,000 51,698,000 52,266,000 61,592,000 49,727,000 49,168,000 50,187,000 50,528,000 50,571,000 56,690,000 57,738,000 51,999,000 53,693,000 53,476,000 53,021,000 55,441,000 51,631,000 49,882,000 47,968,000 49,008,000 46,861,000 45,607,000 48,474,000 48,353,000 36,382,000 35,222,000 36,332,000 34,519,000 35,321,000 32,619,000 35,336,000 36,894,000 34,238,000 37,300,000 37,916,000 35,995,000 36,330,000 33,879,000 33,366,000 34,624,000 34,064,000 32,710,000 30,802,000 30,731,000 26,726,000 48,448,000 42,589,000 38,737,000 35,534,000 33,482,000 35,516,000 37,685,000 30,524,000 26,965,000 26,046,000 27,037,000 24,920,000 30,223,000 31,798,000 30,771,000 30,843,000 30,165,000 28,829,000 31,141,000 28,270,000 26,729,000 21,897,000 29,471,000 26,756,000 26,782,000 25,249,000 24,836,000 25,502,000 25,331,000 26,362,000 25,077,000 
        distributions payable
      152,871,000 151,934,000 153,784,000 153,662,000 153,756,000 151,720,000 151,755,000 151,518,000 151,512,000 149,600,000 149,615,000 148,403,000 148,409,000 134,213,000 133,341,000 132,793,000 130,369,000 124,729,000 120,830,000 116,688,000 116,693,000 115,795,000 115,055,000 115,254,000 115,259,000 109,382,000 108,939,000 105,611,000 105,548,000 95,131,000 95,122,000 91,454,000 91,447,000 91,436,000 86,936,000 86,959,000 86,957,000 86,963,000 80,368,000 75,937,000 75,129,000 75,129,000 69,460,000 69,487,000 68,556,000 68,542,000 61,906,000 61,907,000 57,915,000 57,916,000 57,313,000 53,986,000 51,019,000 47,489,000 42,654,000 37,445,000 36,561,000 36,582,000 32,291,000 32,000,000 30,857,000 30,810,000 30,386,000 49,817,000 57,144,000 47,154,000 47,548,000 47,777,000 49,152,000 49,705,000 49,118,000 49,518,000 46,936,000 47,199,000 47,167,000 47,078,000 45,313,000 45,876,000 
        accounts payable, accrued expenses, and other liabilities
      107,072,000 142,102,000 126,329,000 108,353,000 93,268,000 115,105,000 119,202,000 120,784,000 119,739,000 141,311,000 125,979,000 124,454,000 111,795,000 153,220,000 135,904,000 137,095,000 117,240,000 136,954,000 114,601,000 119,405,000 104,218,000 110,999,000 102,197,000 111,264,000 82,254,000 90,032,000 72,680,000 63,250,000 65,334,000 74,344,000 83,054,000 96,009,000 92,161,000 74,608,000 103,835,000 91,601,000 91,275,000 77,676,000 81,356,000 56,401,000 72,054,000 63,857,000 91,282,000 82,233,000 89,566,000 76,007,000 111,056,000 83,060,000 87,003,000 97,164,000 102,793,000 75,440,000 95,485,000 109,066,000 104,179,000 90,622,000 105,925,000 63,766,000 59,585,000 56,449,000 80,685,000 56,560,000 58,453,000 67,044,000 71,395,000 37,136,000 36,928,000 38,100,000 51,512,000 39,040,000 43,180,000 37,269,000 54,878,000 51,159,000 44,268,000 32,752,000 55,460,000 49,845,000 
        total liabilities
      6,228,006,000 6,456,911,000 6,450,484,000 6,363,954,000 6,356,559,000 6,436,691,000 6,466,717,000 6,373,304,000 6,333,899,000 6,420,801,000 6,361,659,000 6,029,989,000 6,144,939,000 6,100,325,000 6,226,683,000 6,114,187,000 6,029,937,000 6,001,474,000 6,084,301,000 6,009,822,000 5,560,469,000 5,522,648,000 5,457,950,000 5,315,060,000 5,393,582,000 5,228,493,000 4,353,641,000 4,228,719,000 3,941,863,000 4,016,279,000 3,947,150,000 3,964,622,000 3,901,669,000 3,791,222,000 3,673,132,000 3,824,415,000 3,731,228,000 3,657,195,000 3,816,797,000 3,735,354,000 3,790,950,000 3,735,587,000 3,828,104,000 3,869,156,000 3,982,421,000 3,851,446,000 3,638,595,000 3,733,058,000 3,671,259,000 3,621,902,000 3,614,381,000 4,152,907,000 4,166,095,000 4,265,344,000 3,943,820,000 3,741,191,000 3,800,453,000 3,684,689,000 3,592,507,000 3,598,565,000 3,634,877,000 3,473,626,000 3,399,848,000 3,578,276,000 3,496,243,000 3,550,508,000 3,403,233,000 3,366,001,000 3,719,679,000 3,627,645,000 3,772,724,000 3,634,742,000 3,531,787,000 3,516,503,000 3,573,696,000 3,371,393,000 3,350,050,000 3,252,133,000 
        commitments and contingencies
                                                                                    
        redeemable noncontrolling interests in the operating partnership and downreit partnership
      819,753,000 859,966,000 876,127,000 957,980,000 1,057,474,000 1,017,355,000 1,098,987,000 1,021,782,000 937,311,000 961,087,000 907,269,000 935,543,000 901,652,000 839,850,000 920,311,000 1,013,165,000 1,262,144,000 1,299,442,000 1,192,723,000 1,104,276,000 989,686,000 856,294,000 759,986,000 834,466,000 819,133,000 1,018,665,000 1,072,181,000 1,000,532,000 1,051,498,000 922,329,000 876,120,000 943,182,000 967,797,000 904,778,000 909,482,000 900,756,000 929,985,000 970,620,000 946,436,000                                        
        equity:
                                                                                    
        preferred stock, no par value; 50,000,000 shares authorized at march 31, 2026 and december 31, 2025:
                                                                                    
        8.00% series e cumulative convertible; 2,600,678 and 2,600,678 shares issued and outstanding at march 31, 2026 and december 31, 2025, respectively
      43,192,000                                                                              
        series f; 10,026,490 and 10,105,845 shares issued and outstanding at march 31, 2026 and december 31, 2025, respectively
      1,000                                                                              
        common stock, 0.01 par value...
                                                2,551,000 2,552,000 2,515,000 2,514,000 2,507,000 2,507,000 2,501,000 2,501,000 2,502,000 2,280,000 2,197,000 2,190,000   1,825,000  1,630,000  1,555,000   1,491,000 1,488,000  1,283,000  1,333,000  1,350,000  1,350,000 1,347,000 1,346,000    
        325,894,030 and 328,273,044 shares issued and outstanding at march 31, 2026 and december 31, 2025, respectively
      3,259,000                                                                              
        additional paid-in capital
      7,384,029,000 7,480,594,000 7,565,518,000 7,582,852,000 7,575,098,000 7,572,480,000 7,526,910,000 7,508,794,000 7,500,170,000 7,493,217,000 7,487,515,000 7,508,616,000 7,494,042,000 7,493,423,000 7,332,127,000 7,243,825,000 6,891,707,000 6,884,269,000 6,390,547,000 5,887,838,000 5,885,682,000 5,881,383,000 5,776,267,000 5,794,428,000 5,788,471,000 5,781,975,000 5,702,782,000 5,244,819,000 5,184,195,000 4,639,147,000 4,638,766,000 4,643,803,000 4,640,550,000 4,635,942,000 4,635,413,000 4,631,539,000 4,622,939,000 4,620,946,000 4,447,816,000 4,449,555,000 4,342,829,000 4,334,418,000 4,223,747,000 4,223,893,000 4,114,566,000 4,110,625,000 4,104,200,000 4,101,683,000 4,098,882,000 4,098,089,000 4,098,785,000 3,543,219,000 3,340,470,000 3,322,505,000 2,782,510,000 2,548,818,000 2,450,141,000 2,437,284,000 2,061,811,000 2,027,966,000 1,948,669,000 1,906,300,000 1,871,525,000 1,857,320,000 1,818,269,000 1,489,071,000 1,494,239,000 1,520,670,000 1,620,541,000 1,644,905,000 1,661,437,000 1,689,434,000 1,682,809,000 1,686,039,000 1,685,367,000 1,684,518,000 1,680,115,000 1,757,936,000 
        distributions in excess of net income
      -4,147,206,000 -4,240,268,000 -4,338,985,000 -4,305,702,000 -4,293,032,000 -4,179,415,000 -4,064,283,000 -3,840,808,000 -3,638,370,000 -3,554,892,000 -3,392,855,000 -3,445,679,000 -3,627,873,000 -3,451,587,000 -3,438,027,000 -3,426,760,000 -3,549,788,000 -3,485,080,000 -3,335,108,000 -3,143,000,000 -2,923,073,000 -2,685,770,000 -2,500,827,000 -2,432,882,000 -2,360,636,000 -2,462,132,000 -2,496,328,000 -2,336,609,000 -2,281,262,000 -1,929,124,000 -1,808,907,000 -1,843,490,000 -1,792,674,000 -1,644,621,000 -1,585,825,000 -1,746,617,000 -1,712,418,000 -1,685,173,000 -1,584,459,000 -1,610,086,000 -1,525,159,000 -1,557,953,000 -1,528,917,000 -1,493,890,000 -1,478,814,000 -1,414,997,000 -1,279,095,000 -1,210,054,000 -1,143,781,000 -1,082,458,000 -1,024,148,000 -1,126,561,000 -1,142,895,000 -1,111,356,000 -1,075,499,000 -1,045,117,000 -973,864,000 -895,069,000 -822,057,000 -752,226,000 -687,180,000 -628,445,000 -522,945,000 -470,520,000 -393,704,000 -198,951,000 -148,608,000 -103,799,000 -783,238,000 -840,113,000 -871,469,000 -827,724,000 -810,875,000 -789,933,000  -789,529,000 -755,702,000 -784,307,000 
        accumulated other comprehensive income
      2,405,000 1,660,000 1,932,000 1,160,000 2,473,000 3,638,000 4,606,000 7,910,000 9,235,000 4,914,000  9,116,000   8,779,000  2,805,000    -8,614,000               -11,146,000 -12,974,000 -12,035,000  -14,187,000 -9,190,000 -15,445,000   -2,305,000 -3,704,000        -15,427,000      -1,403,000      637,000 772,000            
        total stockholders’ equity
      3,285,680,000 3,288,462,000 3,274,966,000 3,324,816,000 3,331,044,000 3,443,205,000 3,513,725,000 3,722,384,000 3,918,943,000 3,991,144,000 4,150,924,000 4,119,963,000 3,920,899,000 4,098,085,000 3,950,758,000 3,869,424,000 3,392,673,000 3,442,874,000 3,096,687,000 2,784,270,000 3,001,728,000 3,234,200,000 3,312,656,000 3,397,322,000 3,464,115,000 3,358,542,000 3,246,562,000 2,949,404,000 2,948,982,000 2,757,494,000 2,877,460,000 2,845,023,000 2,892,615,000 3,036,165,000 3,093,110,000 2,922,906,000 2,946,676,000 2,972,867,000 2,899,755,000 2,874,359,000 2,857,642,000 2,810,181,000 2,735,097,000 2,778,260,000 2,682,533,000 2,741,009,000 2,866,372,000 2,931,208,000 2,992,916,000 3,051,630,000 3,110,106,000 2,533,179,000 2,314,050,000 2,326,092,000           1,570,677,000 1,449,377,000 1,529,257,000 1,596,655,000 1,019,393,000 987,706,000 972,889,000 1,045,038,000 1,055,255,000 1,079,424,000 1,065,330,000 1,078,303,000 1,107,724,000 1,151,835,000 
        noncontrolling interests
      335,000 335,000 335,000 335,000 335,000 335,000 335,000 335,000 335,000 210,000 210,000 210,000 210,000 210,000 210,000 210,000 210,000 31,430,000 26,853,000 20,903,000 14,673,000 24,391,000 20,796,000 17,623,000 14,275,000 30,772,000 25,213,000 18,611,000 13,382,000 11,256,000 8,318,000 7,878,000 5,853,000 3,746,000 3,860,000 3,092,000 2,193,000 886,000 856,000 859,000 860,000 860,000 853,000 858,000 862,000 860,000                                 
        total equity
      3,286,015,000 3,288,797,000 3,275,301,000 3,325,151,000 3,331,379,000 3,443,540,000 3,514,060,000 3,722,719,000 3,919,278,000 3,991,354,000 4,151,134,000 4,120,173,000 3,921,109,000 4,098,295,000 3,950,968,000 3,869,634,000 3,392,883,000 3,474,304,000 3,123,540,000 2,805,173,000 3,016,401,000 3,258,591,000 3,333,452,000 3,414,945,000 3,478,390,000 3,389,314,000 3,271,775,000 2,968,015,000 2,962,364,000 2,768,750,000 2,885,778,000 2,852,901,000 2,898,468,000 3,039,911,000 3,096,970,000 2,925,998,000 2,948,869,000 2,973,753,000 2,900,611,000 2,875,218,000 2,858,502,000 2,811,041,000 2,735,950,000 2,779,118,000 2,683,395,000 2,741,869,000 2,867,295,000 2,932,128,000 2,993,832,000 3,055,621,000 3,114,935,000 2,537,965,000 2,318,784,000 2,330,793,000 1,830,648,000 1,637,326,000 1,610,030,000 1,675,657,000 1,373,110,000 1,411,922,000 1,398,982,000 1,437,494,000 1,505,755,000 1,537,964,000               
        total liabilities and equity
      10,333,774,000 10,605,674,000 10,601,912,000 10,647,085,000 10,745,412,000 10,897,586,000 11,079,764,000 11,117,805,000 11,190,488,000 11,373,242,000 11,420,062,000 11,085,705,000 10,967,700,000 11,038,470,000 11,097,962,000 10,996,986,000 10,684,964,000 10,775,220,000 10,400,564,000 9,919,271,000 9,566,556,000 9,637,533,000 9,551,388,000 9,564,471,000 9,691,105,000 9,636,472,000 8,697,597,000 8,197,266,000 7,955,725,000 7,707,358,000 7,709,048,000 7,760,705,000 7,767,934,000 7,735,911,000 7,679,584,000 7,651,169,000 7,610,082,000 7,601,568,000 7,663,844,000 6,922,730,000 6,939,730,000 6,858,511,000 6,846,534,000 6,898,088,000 6,932,405,000 6,834,023,000 6,743,543,000 6,890,781,000 6,888,509,000 6,910,902,000 6,972,621,000 6,942,515,000 6,721,354,000 6,804,903,000                         
        real estate held for disposition
           154,463,000    81,039,000    14,039,000 15,019,000    39,065,000   102,876,000 84,243,000  73,529,000          1,071,000 51,052,000  31,744,000 11,775,000 116,420,000     54,533,000           192,540,000          39,000,000 45,019,000 55,436,000 926,695,000 41,298,000 213,459,000 75,866,000 41,845,000 139,049,000 170,452,000 123,038,000 34,280,000 51,669,000 
        preferred stock, no par value; 50,000,000 shares authorized at december 31, 2025 and december 31, 2024:
                                                                                    
        8.00% series e cumulative convertible; 2,600,678 and 2,600,678 shares issued and outstanding at december 31, 2025 and december 31, 2024, respectively
       43,192,000                                                                             
        series f; 10,105,845 and 10,424,485 shares issued and outstanding at december 31, 2025 and december 31, 2024, respectively
       1,000                                                                             
        328,273,044 and 330,858,719 shares issued and outstanding at december 31, 2025 and december 31, 2024, respectively
       3,283,000                                                                             
        preferred stock, no par value; 50,000,000 shares authorized at september 30, 2025 and december 31, 2024:
                                                                                    
        8.00% series e cumulative convertible; 2,600,678 and 2,600,678 shares issued and outstanding at september 30, 2025 and december 31, 2024, respectively
        43,192,000                                                                            
        series f; 10,174,522 and 10,424,485 shares issued and outstanding at september 30, 2025 and december 31, 2024, respectively
        1,000                                                                            
        330,766,065 and 330,858,719 shares issued and outstanding at september 30, 2025 and december 31, 2024, respectively
        3,308,000                                                                            
        preferred stock, no par value; 50,000,000 shares authorized at june 30, 2025 and december 31, 2024:
                                                                                    
        8.00% series e cumulative convertible; 2,600,678 and 2,600,678 shares issued and outstanding at june 30, 2025 and december 31, 2024, respectively
         43,192,000                                                                           
        series f; 10,272,196 and 10,424,485 shares issued and outstanding at june 30, 2025 and december 31, 2024, respectively
         1,000                                                                           
        331,291,669 and 330,858,719 shares issued and outstanding at june 30, 2025 and december 31, 2024, respectively
         3,313,000                                                                           
        preferred stock, no par value; 50,000,000 shares authorized at march 31, 2025 and december 31, 2024:
                                                                                    
        8.00% series e cumulative convertible; 2,600,678 and 2,600,678 shares issued and outstanding at march 31, 2025 and december 31, 2024, respectively
          43,192,000                                                                          
        series f; 10,374,696 and 10,424,485 shares issued and outstanding at march 31, 2025 and december 31, 2024, respectively
          1,000                                                                          
        331,174,564 and 330,858,719 shares issued and outstanding at march 31, 2025 and december 31, 2024, respectively
          3,312,000                                                                          
        preferred stock, no par value; 50,000,000 shares authorized at december 31, 2024 and december 31, 2023:
                                                                                    
        8.00% series e cumulative convertible; 2,600,678 and 2,686,308 shares issued and outstanding at december 31, 2024 and december 31, 2023, respectively
           43,192,000                                                                         
        series f; 10,424,485 and 11,867,730 shares issued and outstanding at december 31, 2024 and december 31, 2023, respectively
           1,000                                                                         
        330,858,719 and 329,014,512 shares issued and outstanding at december 31, 2024 and december 31, 2023, respectively
           3,309,000                                                                         
        preferred stock, no par value; 50,000,000 shares authorized at september 30, 2024 and december 31, 2023:
                                                                                    
        8.00% series e cumulative convertible; 2,600,678 and 2,686,308 shares issued and outstanding at september 30, 2024 and december 31, 2023, respectively
            43,192,000                                                                        
        series f; 11,355,829 and 11,867,730 shares issued and outstanding at september 30, 2024 and december 31, 2023, respectively
            1,000                                                                        
        329,926,696 and 329,014,512 shares issued and outstanding at september 30, 2024 and december 31, 2023, respectively
            3,299,000                                                                        
        preferred stock, no par value; 50,000,000 shares authorized at june 30, 2024 and december 31, 2023:
                                                                                    
        8.00% series e cumulative convertible; 2,600,678 and 2,686,308 shares issued and outstanding at june 30, 2024 and december 31, 2023, respectively
             43,192,000                                                                       
        series f; 11,647,322 and 11,867,730 shares issued and outstanding at june 30, 2024 and december 31, 2023, respectively
             1,000                                                                       
        329,539,663 and 329,014,512 shares issued and outstanding at june 30, 2024 and december 31, 2023, respectively
             3,295,000                                                                       
        preferred stock, no par value; 50,000,000 shares authorized at march 31, 2024 and december 31, 2023:
                                                                                    
        8.00% series e cumulative convertible; 2,686,308 and 2,686,308 shares issued and outstanding at march 31, 2024 and december 31, 2023, respectively
              44,614,000                                                                      
        series f; 11,785,976 and 11,867,730 shares issued and outstanding at march 31, 2024 and december 31, 2023, respectively
              1,000                                                                      
        329,327,553 and 329,014,512 shares issued and outstanding at march 31, 2024 and december 31, 2023, respectively
              3,293,000                                                                      
        preferred stock, no par value; 50,000,000 shares authorized at december 31, 2023 and december 31, 2022:
                                                                                    
        8.00% series e cumulative convertible; 2,686,308 and 2,686,308 shares issued and outstanding at december 31, 2023 and december 31, 2022, respectively
               44,614,000                                                                     
        series f; 11,867,730 and 12,100,514 shares issued and outstanding at december 31, 2023 and december 31, 2022, respectively
               1,000                                                                     
        329,014,512 and 328,993,088 shares issued and outstanding at december 31, 2023 and december 31, 2022, respectively
               3,290,000                                                                     
        ​
                                                                                    
        preferred stock, no par value; 50,000,000 shares authorized at september 30, 2023 and december 31, 2022:
                                                                                    
        8.00% series e cumulative convertible; 2,686,308 and 2,686,308 shares issued and outstanding at september 30, 2023 and december 31, 2022, respectively
                44,614,000                                                                    
        series f; 11,891,530 and 12,100,514 shares issued and outstanding at september 30, 2023 and december 31, 2022, respectively
                1,000                                                                    
        328,904,161 and 328,993,088 shares issued and outstanding at september 30, 2023 and december 31, 2022, respectively
                3,289,000                                                                    
        accumulated other comprehensive income/(loss)
                8,360,000  6,823,000 8,344,000  4,345,000  -4,261,000 -6,600,000 -8,301,000  -9,144,000 -10,494,000 -11,940,000 -12,870,000 -10,448,000 -9,022,000 -7,838,000 -2,970,000 -1,407,000 -1,276,000 -4,167,000 -4,395,000 -4,288,000 -5,609,000    -12,678,000    -8,855,000 -866,000           -10,285,000      2,000                  
        preferred stock, no par value; 50,000,000 shares authorized at june 30, 2023 and december 31, 2022:
                                                                                    
        8.00% series e cumulative convertible; 2,686,308 and 2,686,308 shares issued and outstanding at june 30, 2023 and december 31, 2022, respectively
                 44,614,000                                                                   
        series f; 11,920,927 and 12,100,514 shares issued and outstanding at june 30, 2023 and december 31, 2022, respectively
                 1,000                                                                   
        329,478,476 and 328,993,088 shares issued and outstanding at june 30, 2023 and december 31, 2022, respectively
                 3,295,000                                                                   
        preferred stock, no par value; 50,000,000 shares authorized at march 31, 2023 and december 31, 2022:
                                                                                    
        8.00% series e cumulative convertible; 2,686,308 and 2,686,308 shares issued and outstanding at march 31, 2023 and december 31, 2022, respectively
                  44,614,000                                                                  
        series f; 12,090,558 and 12,100,514 shares issued and outstanding at march 31, 2023 and december 31, 2022, respectively
                  1,000                                                                  
        329,173,125 and 328,993,088 shares issued and outstanding at march 31, 2023 and december 31, 2022, respectively
                  3,292,000                                                                  
        preferred stock, no par value; 50,000,000 shares authorized at december 31, 2022 and december 31, 2021:
                                                                                    
        8.00% series e cumulative convertible; 2,686,308 and 2,695,363 shares issued and outstanding at december 31, 2022 and december 31, 2021, respectively
                   44,614,000                                                                 
        series f; 12,100,514 and 12,582,575 shares issued and outstanding at december 31, 2022 and december 31, 2021, respectively
                   1,000                                                                 
        328,993,088 and 318,149,635 shares issued and outstanding at december 31, 2022 and december 31, 2021, respectively
                   3,290,000                                                                 
        preferred stock, no par value; 50,000,000 shares authorized at september 30, 2022 and december 31, 2021:
                                                                                    
        8.00% series e cumulative convertible; 2,686,308 and 2,695,363 shares issued and outstanding at september 30, 2022 and december 31, 2021, respectively
                    44,614,000                                                                
        series f; 12,426,563 and 12,582,575 shares issued and outstanding at september 30, 2022 and december 31, 2021, respectively
                    1,000                                                                
        326,352,154 and 318,149,635 shares issued and outstanding at september 30, 2022 and december 31, 2021, respectively
                    3,264,000                                                                
        preferred stock, no par value; 50,000,000 shares authorized at june 30, 2022 and december 31, 2021:
                                                                                    
        8.00% series e cumulative convertible; 2,695,363 and 2,695,363 shares issued and outstanding at june 30, 2022 and december 31, 2021, respectively
                     44,764,000                                                               
        series f; 12,455,650 and 12,582,575 shares issued and outstanding at june 30, 2022 and december 31, 2021, respectively
                     1,000                                                               
        324,900,864 and 318,149,635 shares issued and outstanding at june 30, 2022 and december 31, 2021, respectively
                     3,249,000                                                               
        preferred stock, no par value; 50,000,000 shares authorized at march 31, 2022 and december 31, 2021:
                                                                                    
        8.00% series e cumulative convertible; 2,695,363 and 2,695,363 shares issued and outstanding at march 31, 2022 and december 31, 2021, respectively
                      44,764,000                                                              
        series f; 12,455,650 and 12,582,575 shares issued and outstanding at march 31, 2022 and december 31, 2021, respectively
                      1,000                                                              
        318,401,530 and 318,149,635 shares issued and outstanding at march 31, 2022 and december 31, 2021, respectively
                      3,184,000                                                              
        preferred stock, no par value; 50,000,000 shares authorized at december 31, 2021 and december 31, 2020:
                                                                                    
        8.00% series e cumulative convertible; 2,695,363 and 2,695,363 shares issued and outstanding at december 31, 2021 and december 31, 2020, respectively
                       44,764,000                                                             
        series f; 12,582,575 and 14,440,519 shares issued and outstanding at december 31, 2021 and december 31, 2020, respectively
                       1,000                                                             
        318,149,635 and 296,611,579 shares issued and outstanding at december 31, 2021 and december 31, 2020, respectively
                       3,181,000                                                             
        preferred stock, no par value; 50,000,000 shares authorized:
                                                                                    
        8.00% series e cumulative convertible; 2,695,363 and 2,695,363 shares issued and outstanding at september 30, 2021 and december 31, 2020, respectively
                        44,764,000                                                            
        series f; 14,331,810 and 14,440,519 shares issued and outstanding at september 30, 2021 and december 31, 2020, respectively
                        1,000                                                            
        308,287,019 and 296,611,579 shares issued and outstanding at september 30, 2021 and december 31, 2020, respectively
                        3,083,000                                                            
        8.00% series e cumulative convertible; 2,695,363 and 2,695,363 shares issued and outstanding at june 30, 2021 and december 31, 2020, respectively
                         44,764,000                                                           
        series f; 14,357,914 and 14,440,519 shares issued and outstanding at june 30, 2021 and december 31, 2020, respectively
                         1,000                                                           
        296,848,024 and 296,611,579 shares issued and outstanding at june 30, 2021 and december 31, 2020, respectively
                         2,968,000                                                           
        8.00% series e cumulative convertible; 2,695,363 and 2,695,363 shares issued and outstanding at march 31, 2021 and december 31, 2020, respectively
                          44,764,000                                                          
        series f; 14,374,488 and 14,440,519 shares issued and outstanding at march 31, 2021 and december 31, 2020, respectively
                          1,000                                                          
        296,822,363 and 296,611,579 shares issued and outstanding at march 31, 2021 and december 31, 2020, respectively
                          2,968,000                                                          
        8.00% series e cumulative convertible; 2,695,363 and 2,780,994 shares issued and outstanding at december 31, 2020 and december 31, 2019, respectively
                           44,764,000                                                         
        series f; 14,440,519 and 14,691,274 shares issued and outstanding at december 31, 2020 and december 31, 2019, respectively
                           1,000                                                         
        296,611,579 and 294,588,305 shares issued and outstanding at december 31, 2020 and december 31, 2019, respectively
                           2,966,000                                                         
        8.00% series e cumulative convertible; 2,695,363 and 2,780,994 shares issued and outstanding at september 30, 2020 and december 31, 2019, respectively
                            44,764,000                                                        
        series f; 14,442,737 and 14,691,274 shares issued and outstanding at september 30, 2020 and december 31, 2019, respectively
                            1,000                                                        
        294,479,942 and 294,588,305 shares issued and outstanding at september 30, 2020 and december 31, 2019, respectively
                            2,945,000                                                        
        8.00% series e cumulative convertible; 2,695,363 and 2,780,994 shares issued and outstanding at june 30, 2020 and december 31, 2019, respectively
                             44,764,000                                                       
        series f; 14,452,717 and 14,691,274 shares issued and outstanding at june 30, 2020 and december 31, 2019, respectively
                             1,000                                                       
        295,067,779 and 294,588,305 shares issued and outstanding at june 30, 2020 and december 31, 2019, respectively
                             2,951,000                                                       
        8.00% series e cumulative convertible; 2,780,994 shares issued and outstanding at march 31, 2020 and december 31, 2019
                              46,200,000                                                      
        series f; 14,543,281 and 14,691,274 shares issued and outstanding at march 31, 2020 and december 31, 2019, respectively
                              1,000                                                      
        294,881,038 and 294,588,305 shares issued and outstanding at march 31, 2020 and december 31, 2019, respectively
                              2,949,000                                                      
        8.00% series e cumulative convertible; 2,780,994 shares issued and outstanding at december 31, 2019 and december 31, 2018
                               46,200,000                                                     
        series f; 14,691,274 and 15,802,393 shares issued and outstanding at december 31, 2019 and december 31, 2018, respectively
                               1,000                                                     
        294,588,305 and 275,545,900 shares issued and outstanding at december 31, 2019 and december 31, 2018, respectively
                               2,946,000                                                     
        8.00% series e cumulative convertible; 2,780,994 shares issued and outstanding at september 30, 2019 and december 31, 2018
                                46,200,000                                                    
        series f; 14,986,275 and 15,802,393 shares issued and outstanding at september 30, 2019 and december 31, 2018, respectively
                                1,000                                                    
        292,948,423 and 275,545,900 shares issued and outstanding at september 30, 2019 and december 31, 2018, respectively
                                2,929,000                                                    
        8.00% series e cumulative convertible; 2,780,994 shares issued and outstanding at june 30, 2019 and december 31, 2018
                                 46,200,000                                                   
        series f; 15,097,917 and 15,802,393 shares issued and outstanding at june 30, 2019 and december 31, 2018, respectively
                                 1,000                                                   
        283,104,643 and 275,545,900 shares issued and outstanding at june 30, 2019 and december 31, 2018, respectively
                                 2,831,000                                                   
        8.00% series e cumulative convertible; 2,780,994 shares issued and outstanding at march 31, 2019 and december 31, 2018
                                  46,200,000                                                  
        series f; 15,797,155 and 15,802,393 shares issued and outstanding at march 31, 2019 and december 31, 2018, respectively
                                  1,000                                                  
        281,791,932 and 275,545,900 shares issued and outstanding at march 31, 2019 and december 31, 2018, respectively
                                  2,818,000                                                  
        8.00% series e cumulative convertible; 2,780,994 shares issued and outstanding at june 30, 2018 and december 31, 2017
                                   46,200,000                                                 
        series f; 15,804,393 and 15,852,721 shares issued and outstanding at june 30, 2018 and december 31, 2017, respectively
                                   1,000                                                 
        267,667,437 and 267,822,069 shares issued and outstanding at june 30, 2018 and december 31, 2017, respectively
                                   2,677,000                                                 
        8.00% series e cumulative convertible; 2,780,994 shares issued and outstanding at march 31, 2018 and december 31, 2017
                                    46,200,000                                                
        series f; 15,805,518 and 15,852,721 shares issued and outstanding at march 31, 2018 and december 31, 2017, respectively
                                    1,000                                                
        267,583,892 and 267,822,069 shares issued and outstanding at march 31, 2018 and december 31, 2017, respectively
                                    2,676,000                                                
        8.00% series e cumulative convertible; 2,780,994 and 2,796,903 shares issued and outstanding at september 30, 2017 and december 31, 2016, respectively
                                     46,200,000                                               
        series f; 16,025,255 and 16,196,889 shares issued and outstanding at september 30, 2017 and december 31, 2016, respectively
                                     1,000                                               
        267,599,391 and 267,259,469 shares issued and outstanding at september 30, 2017 and december 31, 2016, respectively
                                     2,676,000                                               
        8.00% series e cumulative convertible; 2,796,903 shares issued and outstanding at june 30, 2017 and december 31, 2016
                                      46,457,000                                              
        series f; 16,038,692 and 16,196,889 shares issued and outstanding at june 30, 2017 and december 31, 2016, respectively
                                      1,000                                              
        267,557,894 and 267,259,469 shares issued and outstanding at june 30, 2017 and december 31, 2016, respectively
                                      2,676,000                                              
        8.00% series e cumulative convertible; 2,796,903 shares issued and outstanding at march 31, 2017 and december 31, 2016
                                       46,457,000                                             
        series f; 16,155,807 and 16,196,889 shares issued and outstanding at march 31, 2017 and december 31, 2016, respectively
                                       1,000                                             
        267,398,819 and 267,259,469 shares issued and outstanding at march 31, 2017 and december 31, 2016, respectively
                                       2,674,000                                             
        8.00% series e cumulative convertible; 2,796,903 shares issued and outstanding at december 31, 2016 and december 31, 2015
                                        46,457,000                                            
        series f; 16,196,889 and 16,452,496 shares issued and outstanding at december 31, 2016 and december 31, 2015, respectively
                                        1,000                                            
        267,259,469 and 261,844,521 shares issued and outstanding at december 31, 2016 and december 31, 2015, respectively
                                        2,673,000                                            
        funds held in escrow from internal revenue code section 1031 exchanges
                                         87,162,000 34,732,000                                          
        8.00% series e cumulative convertible; 2,796,903 shares issued and outstanding at september 30, 2016 and december 31, 2015
                                         46,457,000                                           
        series f; 16,291,246 and 16,452,496 shares issued and outstanding at september 30, 2016 and december 31, 2015, respectively
                                         1,000                                           
        267,222,186 and 261,844,521 shares issued and outstanding at september 30, 2016 and december 31, 2015, respectively
                                         2,672,000                                           
        8.00% series e cumulative convertible; 2,796,903 shares issued and outstanding at june 30, 2016 and december 31, 2015
                                          46,457,000                                          
        series f; 16,452,496 shares issued and outstanding at june 30, 2016 and december 31, 2015
                                          1,000                                          
        267,058,578 and 261,844,521 shares issued and outstanding at june 30, 2016 and december 31, 2015, respectively
                                          2,671,000                                          
        8.00% series e cumulative convertible; 2,796,903 shares issued and outstanding at march 31, 2016 and december 31, 2015
                                           46,457,000                                         
        series f; 16,452,496 shares issued and outstanding at march 31, 2016 and december 31, 2015
                                           1,000                                         
        267,137,288 and 261,844,521 shares issued and outstanding at march 31, 2016 and december 31, 2015, respectively
                                           2,671,000                                         
        8.00% series e cumulative convertible; 2,796,903 and 2,803,812 shares issued and outstanding at december 31, 2015 and 2014, respectively
                                            46,457,000                                        
        series f; 16,452,496 and 2,464,183 shares issued and outstanding at december 31, 2015 and 2014, respectively
                                            1,000                                        
        261,844,521 and 255,114,603 shares issued and outstanding at december 31, 2015 and 2014, respectively
                                            2,618,000                                        
        deferred financing costs
                                             20,206,000 19,930,000 21,676,000 22,686,000 24,344,000 25,545,000 25,516,000 27,043,000 23,654,000 24,990,000 26,810,000 28,579,000 31,641,000 30,068,000 23,709,000 24,747,000 21,850,000 27,267,000 26,225,000 25,508,000 26,710,000 26,601,000 26,002,000 26,561,000 29,262,000 29,658,000 30,575,000 32,308,000 34,327,000 34,136,000 37,788,000 37,375,000 35,972,000 35,160,000 30,775,000 30,721,000 30,436,000 31,036,000 26,540,000 
        redeemable noncontrolling interests in the operating partnership
                                             312,158,000 290,278,000 311,883,000 282,480,000 249,814,000 266,589,000 240,708,000                                 
        8.00% series e cumulative convertible; 2,796,903 and 2,803,812 shares issued and outstanding at september 30, 2015 and december 31, 2014, respectively
                                             46,457,000                                       
        262,015,237 and 255,114,603 shares issued and outstanding at september 30, 2015 and december 31, 2014, respectively
                                             2,620,000                                       
        8.00% series e cumulative convertible; 2,803,812 shares issued and outstanding at june 30, 2015 and december 31, 2014
                                              46,571,000                                      
        259,091,257 and 255,114,603 shares issued and outstanding at june 30, 2015 and december 31, 2014, respectively
                                              2,591,000                                      
        8.00% series e cumulative convertible; 2,803,812 shares issued and outstanding at march 31, 2015 and december 31, 2014
                                               46,571,000                                     
        258,988,739 and 255,114,603 shares issued and outstanding at march 31, 2015 and december 31, 2014, respectively
                                               2,590,000                                     
        real estate sold or held for disposition
                                                   10,152,000                                 
        8.00% series e cumulative convertible; 2,803,812 shares issued and outstanding at december 31, 2014 and 2013
                                                46,571,000                                    
        8.00% series e cumulative convertible; 2,803,812 shares issued and outstanding at september 30, 2014 and december 31, 2013
                                                 46,571,000                                   
        funds held in escrow from irc section 1031 exchanges
                                                  30,275,000                                  
        preferred stock, no par value; 50,000,000 shares authorized
                                                           46,571,000                         
        2,803,812 shares of 8.00% series e cumulative convertible issued and outstanding
                                                  46,571,000 46,571,000 46,571,000 46,571,000 46,571,000 46,571,000 46,571,000 46,571,000   46,571,000 46,571,000  46,571,000 46,571,000 46,571,000  46,571,000 46,571,000   46,571,000             
        redeemable noncontrolling interests in operating partnership
                                                    237,653,000 225,595,000                               
        accumulated other comprehensive loss
                                                    -7,811,000 -9,499,000 -11,257,000 -13,073,000 -13,604,000 -13,939,000 -13,902,000   -3,696,000 -3,469,000     -2,714,000 -5,112,000 -11,055,000 -12,715,000   -3,081,000 -814,000          
        noncontrolling interest
                                                    923,000 920,000                               
        real estate sold or held for sale
                                                         279,385,000                           
        investment in unconsolidated joint ventures
                                                      507,037,000 579,338,000 580,098,000 548,961,000 213,040,000 187,176,000 177,404,000 149,095,000 148,057,000 16,391,000 17,477,000 13,241,000 14,126,000 53,598,000 63,475,000 47,415,000 47,048,000 46,859,000 48,177,000 47,801,000 48,264,000 28,431,000 28,180,000 27,348,000       
        deferred fees and gains on the sale of depreciable property
                                                      29,406,000 29,458,000 29,430,000 29,449,000 29,100,000 29,106,000 29,011,000 28,931,000 28,943,000           28,803,000           
        redeemable non-controlling interests in operating partnership
                                                      223,418,000 233,379,000 243,305,000 251,643,000 236,475,000 208,766,000 187,309,000 123,360,000 119,057,000 117,012,000 113,752,000 105,229,000 98,758,000 99,137,000 65,295,000 69,290,000               
        equity
                                                                                    
        0 shares of 6.75% series g cumulative redeemable issued and outstanding
                                                                                    
        non-controlling interest
                                                      916,000 3,991,000 4,829,000 4,786,000 4,734,000 4,701,000 3,775,000 3,738,000 3,687,000 3,652,000 3,621,000 3,576,000 3,541,000 3,486,000 3,442,000 3,389,000               
        3,264,362 shares of 6.75% series g cumulative redeemable issued and outstanding
                                                         81,609,000 81,609,000 81,609,000 81,609,000                        
        real estate held for sale
                                                           36,366,000                         
        marketable securities
                                                              3,866,000 41,873,000 37,878,000 37,992,000 37,650,000 37,020,000 33,979,000 32,133,000               
        secured debt — real estate held for sale
                                                           17,159,000                         
        preferred stock, no par value; 50,000,000 shares authorized 2,803,812 shares of 8.00% series e cumulative convertible issued and outstanding
                                                          46,571,000        46,571,000   46,571,000 46,571,000  46,571,000            
        liabilities and stockholders’ equity
                                                                                    
        stockholders’ equity
                                                                                    
        196,660,518 shares issued and outstanding
                                                            1,967,000                        
        total udr, inc. stockholders’ equity
                                                            1,826,873,000 1,633,588,000 1,606,343,000 1,672,005,000 1,369,489,000 1,408,346,000 1,395,441,000 1,434,008,000 1,502,313,000 1,534,575,000               
        total liabilities and stockholders’ equity
                                                            5,961,777,000 5,501,877,000 5,529,540,000 5,477,358,000 5,079,369,000 5,115,716,000 5,132,617,000 5,010,257,000 4,970,898,000 5,185,530,000 5,144,295,000 5,100,212,000 5,036,146,000 5,070,205,000 4,801,121,000 4,674,598,000 4,803,517,000 4,744,995,000 4,675,875,000 4,682,266,000 4,718,832,000 4,530,842,000 4,541,593,000 4,480,429,000 
        secured debt — real estate held for disposition
                                                             55,309,000            4,915,000 227,325,000          
        3,405,562 shares of 6.75% series g cumulative redeemable issued and outstanding
                                                             85,139,000 85,139,000 85,139,000 85,139,000                    
        187,273,833 shares issued and outstanding
                                                             1,873,000                       
        real estate investment
                                                              5,145,109,000                      
        2,803,812 shares of 8.00% series e cumulative convertible issued
                                                                                    
        and outstanding
                                                              46,571,000                      
        deferred gains on the sale of depreciable property
                                                               28,824,000 28,836,000 28,822,000 28,826,000 28,831,000 28,835,000 28,840,000 28,845,000 28,849,000 28,814,000  28,690,000          
        182,128,994 shares issued and outstanding
                                                               1,821,000                     
        accumulated other comprehensive (loss)/income
                                                               -3,741,000 -3,605,000                    
        3,432,962 shares of 6.75% series g cumulative redeemable issued and outstanding
                                                                 85,824,000 85,824,000                  
        161,369,435 shares issued and outstanding
                                                                 1,614,000                   
        other assets — real estate held for disposition
                                                                     767,000 767,000 1,899,000 2,180,000 1,844,000 14,125,000 8,358,000 9,858,000 9,278,000 12,952,000   1,468,000 3,020,000 2,421,000 
        other liabilities — real estate held for disposition
                                                                     1,274,000 1,204,000 2,139,000 2,147,000 3,183,000 28,945,000 1,702,000 5,335,000 3,122,000 6,035,000   6,681,000 11,794,000 16,340,000 
        4,430,700 shares of 6.75% series g cumulative redeemable issued and outstanding
                                                                   110,768,000 110,768,000 110,768,000 110,768,000 110,768,000             
        152,846,734 shares issued and outstanding
                                                                   1,528,000                 
        150,557,442 shares issued and outstanding
                                                                    1,506,000                
        escrow — 1031 exchange funds
                                                                                    
        minority interests
                                                                      77,375,000 100,327,000 103,656,000 107,549,000 62,049,000 59,247,000 57,904,000 65,215,000 88,833,000 86,339,000 79,806,000 81,146,000 83,819,000 76,461,000 
        128,091,103 shares issued and outstanding
                                                                       1,281,000             
        funds held in escrow from irc section 1031 exchanges pending the acquisition of real estate
                                                                        231,795,000 348,297,000   25,780,000 25,373,000       
        5,400,000 shares of 6.75% series g cumulative redeemable issued and outstanding
                                                                        135,000,000            
        stockholders’ equity:
                                                                                    
        2,803,812 shares 8.00% series e cumulative convertible issued and outstanding
                                                                         46,571,000 46,571,000 46,571,000 46,571,000 46,571,000 46,571,000 46,571,000 46,571,000 46,571,000 46,571,000 46,571,000 
        5,400,000 shares 6.75% series g cumulative redeemable issued and outstanding
                                                                         135,000,000 135,000,000 135,000,000 135,000,000        
        129,360,822 shares issued and outstanding
                                                                         1,294,000           
        funds held in escrow from irc 1031 exchanges pending the acquisition of real estate
                                                                          56,217,000          
        0 shares 8.60% series b cumulative redeemable issued and outstanding
                                                                                    
        134,328,648 shares issued and outstanding
                                                                           1,343,000         
        5,416,009 shares 8.60% series b cumulative redeemable issued and outstanding
                                                                             135,400,000   135,400,000 135,400,000 135,400,000 135,400,000 
        135,725,384 shares issued and outstanding
                                                                             1,357,000       
        preferred stock, no par value; 50,000,000 shares authorized 5,416,009 shares 8.60% series b cumulative redeemable issued and outstanding
                                                                              135,400,000 135,400,000     
        other assets—real estate held for disposition
                                                                               6,615,000 6,493,000    
        other liabilities—real estate held for disposition
                                                                               478,000 2,205,000    
        134,279,842 shares issued and outstanding
                                                                                 1,343,000   
        investment in unconsolidated development joint venture
                                                                                   -124,000 
        funds held in escrow from 1031 exchanges pending the acquisition of real estate
                                                                                    
        common stock
                                                                                  1,340,000 1,372,000 
        note receivable
                                                                                   95,945,000 
        deferred compensation — unearned restricted stock awards
                                                                                   -5,137,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-31 2025-09-30 2025-06-30 2025-03-31 2024-06-30 2024-03-31 2023-03-31 2022-06-30 2021-03-31 2020-06-30 2020-03-31 2019-06-30 2019-03-31 2018-06-30 2018-03-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 
                                                                     
          operating activities
                                                                     
          net income
        202,904,000 43,130,000 40,229,000 82,071,000 31,013,000 46,310,000   3,274,000           29,466,000 19,564,000 11,604,000  13,695,000 89,884,000 76,417,000   31,086,000 19,012,000    -9,676,000 156,306,000 86,628,000             -10,822,000 -8,373,000 865,000 725,259,000 103,991,000 78,829,000 6,697,000 31,832,000 25,060,000 59,352,000 32,186,000 12,007,000 72,648,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                                     
          depreciation and amortization
        164,603,000 172,935,000 170,578,000 168,461,000 175,167,000 174,174,000 172,949,000 190,608,000 146,689,000 157,083,000 157,501,000 119,612,000 114,124,000 108,204,000 109,827,000 108,756,000 110,017,000 106,640,000 103,995,000 107,328,000 107,423,000 106,892,000 106,808,000 92,025,000 92,044,000 90,400,000 93,524,000 90,723,000 90,069,000 89,613,000 86,269,000 84,588,000 84,548,000 89,301,000 85,491,000 95,165,000 -78,044,000 98,703,000 92,147,000 85,158,000 83,043,000 76,782,000 75,034,000 73,430,000 72,075,000 70,553,000 70,545,000 70,379,000 73,344,000 66,691,000 63,451,000 53,364,000 65,147,000 65,626,000 65,250,000 65,014,000 65,085,000 62,684,000    
          loss on sale of real estate owned
        -157,416,000 -47,939,000 -16,867,000   -50,829,000                                                     
          loss from unconsolidated entities
        -19,696,000 -14,011,000 -3,629,000 -5,814,000 -4,046,000 -9,085,000   -4,922,000           -15,285,000 -325,000 -679,000  -2,691,000 573,000 -59,159,000   428,000 3,565,000    719,000 2,412,000 2,691,000                          
          return on investment in unconsolidated joint ventures and partnerships
        10,513,000 16,285,000 18,786,000 4,700,000 2,969,000 4,596,000 4,317,000                                                       
          amortization of share-based compensation
        9,568,000 3,077,000 8,762,000 7,498,000 9,423,000 7,258,000 8,246,000 8,903,000 4,912,000 4,000,000 6,808,000 4,379,000 5,937,000 3,578,000 3,504,000 3,239,000 3,454,000 3,379,000 2,862,000 3,461,000 3,196,000 3,879,000                                        
          other
        12,739,000 8,669,000 8,877,000 8,664,000 5,078,000 10,377,000 7,690,000 9,298,000 2,766,000 9,418,000 -1,215,000 2,677,000 3,910,000 514,000 1,745,000 2,140,000 6,665,000 4,264,000 -15,053,000 19,399,000 5,018,000 2,497,000 -11,227,000 4,685,000 6,830,000 6,324,000 6,565,000 6,898,000 6,357,000 6,697,000 8,281,000 4,775,000                              
          changes in operating assets and liabilities:
                                                                     
          decrease in operating assets
        -18,556,000 -8,419,000 -17,431,000 8,208,000 -14,370,000 1,447,000   18,000           -2,043,000 -6,698,000 -1,853,000  -17,457,000 2,637,000 4,794,000   -2,745,000 8,422,000      3,272,000          -1,360,000 -2,202,000 11,051,000  -9,955,000 2,051,000 609,000    5,882,000      
          increase in operating liabilities
        -75,916,000 13,269,000 24,157,000 -69,633,000 33,228,000 -50,611,000   -21,347,000           14,232,000 -6,480,000 -6,378,000  -1,366,000 8,620,000 -23,329,000   7,436,000 -17,665,000                  3,132,000              
          net cash from operating activities
        128,743,000 234,935,000 250,329,000 156,216,000 238,462,000 167,599,000   123,605,000           156,652,000 113,981,000 112,489,000  88,799,000 120,985,000 96,018,000   103,692,000 82,521,000 105,729,000 66,660,000 71,925,000 97,312,000 78,090,000 70,014,000 -26,850,000 67,846,000 67,122,000 47,953,000 56,691,000 55,710,000 60,269,000 41,510,000 39,733,000 65,656,000 52,437,000 71,557,000 44,350,000 54,043,000 54,562,000 26,799,000 55,503,000 77,136,000 81,594,000 36,345,000    32,217,000 77,726,000 
          capital expenditures
                          
          free cash flows
        128,743,000 234,935,000 250,329,000 156,216,000 238,462,000 167,599,000   123,605,000           156,652,000 113,981,000 112,489,000  88,799,000 120,985,000 96,018,000   103,692,000 82,521,000 105,729,000 66,660,000 71,925,000 97,312,000 78,090,000 70,014,000 -26,850,000 67,846,000 67,122,000 47,953,000 56,691,000 55,710,000 60,269,000 41,510,000 39,733,000 65,656,000 52,437,000 71,557,000 44,350,000 54,043,000 54,562,000 26,799,000 55,503,000 77,136,000 81,594,000 36,345,000    32,217,000 77,726,000 
          investing activities
                                                                     
          proceeds from sales of real estate investments
        218,561,000 203,565,000 98,650,000   154,857,000     89,433,000 3,250,000               -200,000 -1,313,000 464,109,000 130,571,000  47,767,000   50,000        1,967,000 10,616,000 23,437,000 1,451,047,000  283,062,000 66,060,000 59,111,000  259,192,000 102,858,000 29,135,000  
          development of real estate assets
        -28,509,000 -7,972,000 -6,430,000 -8,835,000 -20,509,000 -30,595,000 -42,498,000 -86,287,000 -32,683,000 -39,923,000 -23,087,000 -4,096,000 -6,237,000 -44,457,000 -63,718,000 -62,023,000 -65,411,000 -63,022,000 -41,724,000 -70,417,000 -30,093,000 -36,045,000 -11,820,000 -25,302,000 -22,520,000 -43,563,000 -90,850,000 -44,679,000 -59,817,000 -56,147,000 -86,853,000 -85,181,000 -76,741,000 -64,321,000 -49,342,000 -56,519,000  -26,027,000 -23,040,000 -21,507,000 -12,424,000 -17,947,000 -33,206,000 -28,565,000 -40,962,000 -44,434,000 -44,178,000 -53,583,000 -58,122,000 -43,312,000 -34,662,000 -23,978,000 -32,391,000 -26,243,000 -25,546,000 -17,280,000    -12,575,000 -14,297,000 
          capital expenditures and other major improvements — real estate assets
        -43,461,000 -70,320,000 -60,257,000 -52,990,000 -67,317,000 -52,563,000 -54,353,000 -46,265,000 -28,424,000 -31,100,000 -32,983,000 -38,976,000 -31,264,000                                                -59,264,000 
          capital expenditures — non-real estate assets
        -1,396,000 -958,000 -19,751,000 -8,877,000 -6,326,000 -4,583,000 -4,532,000 -9,333,000 -3,041,000 -4,879,000 -2,479,000 -3,801,000 -3,346,000 -1,068,000 -433,000 -1,187,000 -810,000 -1,233,000 8,000 -2,506,000 -1,277,000 -664,000 -1,365,000 -1,029,000 -1,218,000 -437,000 -1,220,000 -1,360,000 -1,802,000 -1,115,000 -2,126,000 -2,313,000 -4,163,000 -2,063,000 -629,000 -1,092,000  -9,783,000 -1,614,000 -863,000 -1,010,000 -687,000 -709,000 -1,936,000 21,000 355,000 -3,302,000 -3,343,000 -1,902,000 -12,409,000 -4,144,000 -4,794,000 -1,109,000 -1,031,000 -1,727,000 -680,000    -367,000 -1,259,000 
          investment in unconsolidated joint ventures and partnerships
        -843,000 -60,238,000 -17,281,000 -4,209,000 -8,084,000 -1,105,000 -1,821,000                                                       
          distributions received from unconsolidated joint ventures and partnerships
        139,301,000 26,361,000 42,401,000 3,726,000 4,454,000 4,289,000 3,108,000                                                       
          repayment/(issuance) of notes receivable
         2,564,000 -114,564,000 -270,000 -16,501,000 -13,542,000 2,800,000 -4,440,000 -900,000 -520,000 5,285,000 -1,240,000 -20,000,000 -1,304,000            25,915,000                                  
          net cash from investing activities
        283,653,000 -113,127,000 -58,754,000 17,816,000 -97,782,000 18,447,000   41,039,000           -149,147,000 -77,501,000 -44,954,000  -64,416,000 -114,238,000 -49,538,000   -142,865,000 -136,709,000  -101,017,000 -150,126,000 -136,955,000 302,049,000 -224,353,000 859,804,000 -820,724,000 -209,202,000 -56,858,000    -57,369,000   109,305,000 -99,215,000 -110,504,000 -88,854,000 -75,830,000 577,492,000 -43,218,000 147,777,000 -77,411,000 -98,545,000    -20,984,000 -41,196,000 
          financing activities
                                                                     
          payments on secured debt
        -1,685,000 -45,857,000 -1,746,000 -1,485,000 -847,000 -40,749,000 -292,000 -295,000 -270,000 -28,840,000 -2,781,000 -938,000 -962,000 -1,133,000 -1,172,000 -1,094,000 -224,655,000 -99,463,000 -22,494,000 -207,315,000 -143,294,000 -2,205,000 -187,097,000 -2,312,000 -2,283,000 -2,266,000 -36,571,000 -2,086,000 -39,818,000 -2,486,000 -39,357,000 -3,199,000 -4,752,000 -2,599,000 -411,581,000 -72,953,000 125,865,000 -17,871,000 -2,584,000 -202,312,000 -87,563,000 -15,900,000 -11,488,000 -72,357,000 -125,407,000 -11,399,000 -7,610,000 -15,196,000 -140,881,000 -1,423,000 -6,425,000 -67,625,000 -86,603,000 -54,562,000        
          net proceeds/(repayment) of commercial paper
        -275,000,000 120,000,000 -30,000,000 -39,900,000 40,000,000 -18,075,000 105,000,000 85,000,000 20,000,000 -30,000,000 -85,000,000 302,000,000 -11,115,000                                                 
          net proceeds/(repayment) of revolving bank debt
        118,172,000 -14,529,000 -4,431,000 25,285,000 -25,503,000 22,467,000 -14,244,000 11,591,000 -10,210,000 -57,617,000 58,214,000 -20,932,000 54,294,000 -7,760,000 35,940,000 659,000 3,918,000 14,790,000 -225,575,000 -12,274,000 182,851,000 -73,652,000 40,000,000 -347,000,000 68,000,000 236,500,000    287,500,000 58,500,000 94,000,000    -224,000,000  357,000,000 -180,550,000 153,800,000     164,300,000                 
          repurchase of common shares
        -100,000,000             -19,988,000                                               
          distributions paid to redeemable noncontrolling interests
        -9,930,000 -9,970,000 -9,982,000 -9,819,000 -10,504,000 -10,452,000 -8,178,000 -8,560,000 -8,517,000 -8,164,000 -7,618,000 -8,252,000 -8,553,000 -8,150,000 -7,990,000 -7,884,000 -7,909,000 -7,476,000 -7,509,000 -7,555,000 -7,539,000 -7,085,000 -2,893,000 -2,613,000 -2,639,000 -2,509,000 -2,510,000 -2,510,000 -2,549,000 -2,360,000 -2,362,000 -2,263,000                              
          distributions paid to preferred stockholders
        -1,199,000 -1,199,000 -1,223,000 -1,185,000 -1,247,000 -1,210,000 -1,097,000 -1,122,000 -1,045,000 -1,100,000 -1,015,000 -1,042,000 -959,000 -979,000 -915,000 -918,000 -933,000 -925,000 -934,000 -925,000 -934,000 -924,000 -930,000 -930,000 -931,000 -931,000 -931,000 -931,000 -931,000 -931,000 -931,000 -931,000 -931,000 -310,000 -3,405,000 -2,308,000  -2,307,000 -2,328,000 -2,368,000 -2,369,000 -2,368,000 -2,372,000 -2,379,000 -2,803,000 -2,800,000 -2,800,000 -2,800,000 -2,800,000 -3,211,000 -3,209,000 -3,209,000 -3,209,000 -2,450,000 -3,811,000 -3,842,000    -3,842,000 -3,843,000 
          distributions paid to common stockholders
        -141,267,000 -142,459,000 -142,445,000 -140,729,000 -139,962,000 -138,247,000 -125,083,000 -129,565,000 -106,833,000 -106,165,000 -100,930,000 -96,512,000 -88,911,000 -86,306,000 -83,051,000 -82,948,000 -82,898,000 -78,942,000 -78,829,000 -78,582,000 -78,808,000 -72,704,000 -72,710,000 -71,899,000 -71,867,000 -66,692,000 -66,358,000 -65,404,000 -65,386,000 -58,952,000 -59,043,000 -55,035,000 -55,032,000 -55,039,000 -50,085,000 -47,314,000  -39,022,000 -34,262,000 -33,650,000 -33,522,000 -30,115,000 -29,038,000 -28,054,000 -27,556,000 -27,095,000 -47,800,000 -42,125,000 -38,096,000 -42,207,000 -42,693,000 -43,987,000 -44,460,000 -44,436,000 -44,769,000 -42,258,000    -40,229,000 -40,764,000 
          net cash from financing activities
        -414,530,000 -120,671,000 -189,787,000 -176,138,000 -138,260,000 -188,946,000   -154,215,000           -9,371,000 -34,981,000 -70,609,000  -26,052,000 -10,031,000 -55,430,000   50,098,000 39,830,000 -168,919,000 29,363,000  -62,092,000 -199,585,000 145,394,000 -837,166,000 744,726,000 152,022,000 11,111,000    29,794,000 3,636,000 60,112,000 -193,891,000 52,050,000 76,033,000 36,260,000 -37,507,000 -547,323,000 -11,419,000 -225,488,000 -2,931,000 61,733,000    9,560,000 -26,467,000 
          net increase in cash, cash equivalents, and restricted cash
        -2,134,000 1,137,000 1,788,000 -2,106,000 2,420,000 -2,900,000   10,429,000                                                     
          cash, cash equivalents, and restricted cash, beginning of year
        36,932,000 35,427,000 34,866,000 30,194,000 4,247,000 24,171,000 33,291,000 208,891,000 21,830,000                                               
          cash, cash equivalents, and restricted cash, end of period
        34,798,000 1,137,000 1,788,000 33,321,000 2,420,000 31,966,000 29,210,000 -5,911,000 34,600,000 -53,000 22,929,000 -131,000 24,154,000 10,059,000 20,853,000                                               
          supplemental information:
                                                                     
          interest paid during the period, net of amounts capitalized
        70,848,000 69,325,000 24,728,000 71,942,000 28,439,000 69,197,000 64,707,000 15,614,000 56,281,000 27,323,000 57,320,000 23,203,000 44,271,000 23,048,000 35,155,000 28,961,000 33,584,000 32,463,000  31,015,000 32,875,000 31,918,000  35,170,000 26,166,000 40,282,000  35,941,000 31,111,000 38,180,000 22,997,000 41,573,000 38,724,000 41,854,000 47,149,000 31,774,000  44,788,000                        
          cash paid for amounts included in the measurement of lease liabilities:
                                                                     
          operating cash flows from operating leases
        3,189,000 3,126,000 3,125,000 3,126,000 3,125,000 3,126,000 3,126,000 3,125,000 3,126,000                                                     
          cash paid/(refunds received) for income taxes
        61,000 90,000   949,000 -51,000 206,000 699,000 -36,000 1,001,000 323,000 1,167,000 241,000 751,000 -22,000 162,000 1,470,000 171,000                                            
          non-cash transactions:
                                                                     
          net proceeds from sale of real estate investment held by qualified intermediary
        134,803,000                                                             
          development costs and capital expenditures incurred, but not yet paid
        25,683,000 12,202,000 7,115,000 16,318,000 -6,847,000 34,728,000 35,524,000 16,995,000 31,628,000                                                     
          conversion of operating partnership and downreit partnership noncontrolling interests to common stock
        3,348,000 4,472,000 4,714,000 2,219,000 5,188,000 7,288,000 386,000 4,083,000 4,497,000 3,420,000 7,830,000 38,743,000 72,846,000 965,000 11,695,000 1,302,000 4,285,000 1,850,000                                            
          dividends declared, but not yet paid
        152,871,000 122,000 -94,000 153,756,000 6,000 151,512,000 148,409,000  116,693,000                                                     
          the following reconciles cash, cash equivalents, and restricted cash to amounts as shown above:
                                                                     
          cash, cash equivalents, and restricted cash, beginning of year:
                                                                     
          cash and cash equivalents
        1,222,000 1,326,000 2,922,000 1,193,000  1,409,000 8,106,000 185,216,000 2,038,000                                               
          restricted cash
        35,710,000 34,101,000 31,944,000 29,001,000  22,762,000 25,185,000  23,675,000 19,792,000                                               
          total cash, cash equivalents, and restricted cash as shown above
        36,932,000 35,427,000 34,866,000 30,194,000  24,171,000 33,291,000 208,891,000 21,830,000                                               
          cash, cash equivalents, and restricted cash, end of period:
                                                                     
          proceeds from sale of equity securities
            4,624,000                                                        
          purchase deposits on pending acquisitions
              -743,000 11,821,000 -12,821,000    -10,350,000 -1,000,000             -4,000,000                                
          payments on unsecured debt
                -300,000,000          -11,680,000 -83,373,000 -111,000 -110,000 -108,000 -325,211,000 -128,500,000 -184,000,000   -100,000,000  -97,039,000 -156,983,000 -10,807,000 252,000 -29,488,000 -50,000,000 -239,801,000 -37,725,000 -164,202,000 -200,031,000 -85,125,000 -64,618,000 -34,973,000 -267,440,000 -75,000,000 -92,255,000    -24,820,000 -49,760,000 
          net proceeds from the issuance of unsecured debt
                298,776,000 211,320,000                                                   
          notes receivable settled in exchange for real estate owned
                                                                    
          conversion of note receivable to equity securities
                                                                    
          cash, cash equivalents, and restricted cash, end of year:
                                                                     
          provision/(recovery) for credit losses
                                                                     
          acquisition of real estate assets
               -317,456,000 -23,693,000 -141,727,000 -327,575,000 -403,245,000   -65,381,000  -5,768,000        -121,219,000 -77,793,000                                
          proceeds from the issuance of common shares through public offering
              -462,000     20,693,000 192,179,000      -27,000 -45,000 -17,000 173,300,000 -120,000 101,392,000 -51,000 108,790,000 -142,000      -98,000 -205,000 555,818,000 200,623,000  539,204,000 230,938,000 94,168,000 -218,000 364,339,000 30,134,000 73,310,000                  
          cash, cash equivalents, and restricted cash, end of year
                                                                     
          secured debt assumed upon acquisition of real estate assets
                58,464,000                                                     
          op units issued for real estate
                                                                     
          redeemable long-term and short-term incentive plan units
              6,989,000                                                       
          distribution of equity securities from unconsolidated real estate technology investments
              7,749,000                                                       
          contribution of operating properties to unconsolidated joint venture
                                                                     
          transfer of preferred equity investment to note receivable
                                                                     
          net income/
              32,925,000   62,096,000 5,540,000 38,318,000 26,602,000 22,444,000 89,225,000 17,570,000 11,062,000 28,396,000         67,752,000                                   
          adjustments to reconcile net income/(loss) to net cash provided by/(used in) operating activities:
                                                                     
          (gain)/loss on sale of real estate owned
              -1,000                                                       
          (income)/income from unconsolidated entities
              -9,707,000   -8,021,000 -3,367,000 -6,625,000 -49,000 2,032,000 1,677,000 -1,819,000 1,426,000 -11,198,000                                            
          (increase)/decrease in operating assets
              -7,119,000   -20,396,000 114,000 -4,461,000 2,295,000 -19,262,000 3,560,000 1,113,000 -13,158,000 3,856,000             627,000 -3,269,000       -5,788,000 -4,854,000 5,032,000                     
          increase/(decrease) in operating liabilities
              -41,285,000   38,407,000 -31,666,000 -631,000 -17,463,000 4,642,000 -7,660,000 17,630,000 -1,512,000 -14,528,000         3,984,000                                   
          net cash provided by/(used in) operating activities
              168,015,000   181,559,000 135,456,000 149,088,000 137,333,000 122,845,000 132,256,000 148,871,000 119,534,000 120,464,000         110,382,000                                   
          ​
                                                                     
          net cash provided by/(used in) investing activities
              -117,340,000   52,150,000 -214,044,000 -346,244,000 -459,749,000 -86,669,000 -24,586,000 -100,679,000 -119,915,000 -162,789,000         7,252,000                                   
          net cash provided by/(used in) financing activities
              -51,659,000   -233,762,000 68,226,000 197,025,000 137,679,000 -26,117,000 -108,647,000 -47,815,000 -668,000 42,673,000         -117,015,000              47,594,000 302,980,000                    
          net increase/(decrease) in cash, cash equivalents, and restricted cash
              -984,000   -53,000 -10,362,000 -131,000 -184,737,000 10,059,000 -977,000                                               
          loss on extinguishment of debt
                41,950,000                                                     
          payment of prepayment and extinguishment costs
                -40,769,000                                                     
          acquisition of land parcel pursuant to a deed in lieu of foreclosure
                                                                     
          cancellation of secured note receivable pursuant to a deed in lieu of foreclosure
                                                                     
          redeemable long-term incentive plan units
                                                                     
          return on investment in unconsolidated joint ventures
                1,094,000 275,000 1,741,000 1,101,000 1,977,000 693,000 678,000 940,000 1,214,000 1,455,000                                            
          investment in unconsolidated joint ventures
                -48,604,000 -3,902,000 -16,139,000 -30,485,000 -21,389,000 -21,809,000 -19,736,000 -34,661,000 -43,316,000 -24,193,000 -10,330,000 -9,197,000 -7,373,000 -13,262,000 -22,035,000 -11,529,000 -158,615,000 -25,463,000 -55,770,000 -46,605,000 -99,079,000 -21,476,000 -17,229,000 -936,000 37,795,000 -23,382,000 -37,971,000 -259,156,000  -14,264,000 -30,904,000 -2,341,000 -105,224,000 -16,000 -5,533,000 -148,000                  
          distributions received from unconsolidated joint ventures
                32,648,000 2,460,000 3,271,000 16,109,000 10,797,000 11,752,000 5,633,000 38,843,000 16,499,000 9,711,000 33,644,000 18,809,000 5,680,000 7,983,000 6,106,000 7,110,000 4,594,000 41,481,000 41,315,000 5,377,000 4,846,000 7,661,000 88,516,000 14,393,000                              
          transfer of investment in and advances to unconsolidated joint ventures to real estate owned
                 14,700,000 40,433,000   32,260,000  3,323,000                                          
          acquisition of intellectual property in exchange for cancellation of secured note receivable
                 2,250,000                                                   
          recognition of allowance for credit losses
                 2,182,000                                                   
          vesting of ltip units
                14,578,000 23,018,000  14,335,000 4,397,000 2,317,000                                            
          recognition of operating lease right-of-use assets
                    94,349,000                                                 
          recognition of operating lease liabilities
                    88,336,000                                                 
          development costs and capital expenditures incurred but not yet paid
                 832,000 25,568,000 1,506,000 10,745,000 -7,133,000 39,746,000 -300,000 14,959,000 34,336,000  1,624,000 21,720,000 21,220,000                                        
          dividends declared but not yet paid
                 -5,000 115,259,000 63,000 105,548,000 9,000 95,122,000 7,000 11,000 91,436,000                                            
          (gain)/loss on sale of real estate owned, net of tax
                     -70,300,000 -2,132,000                                            
          capital expenditures and other major improvements — real estate assets, net of escrow reimbursement
                     -29,847,000 -14,765,000 -40,347,000 -29,377,000 -21,921,000 -32,123,000 -10,617,000 -24,195,000 -24,917,000 -33,281,000 -32,666,000 -27,022,000 -20,431,000 -14,347,000 -24,758,000 -27,348,000 -30,226,000 -60,130,000 -22,208,000 -37,234,000 -40,660,000 -41,086,000 -25,897,000   -22,185,000 -15,506,000 -21,296,000 -16,249,000 -25,525,000 -10,907,000 -21,522,000 -27,157,000 -26,455,000 -10,269,000 -22,106,000 -31,520,000 -37,749,000 -31,859,000 -42,662,000 -47,551,000 -54,172,000 -50,042,000    -48,006,000  
          the following reconciles cash, cash equivalents, and restricted cash to the total of the same amounts as shown above:
                                                                     
          net proceeds/(repayment) of unsecured debt
                      -25,000,000                                               
          proceeds from the issuance of unsecured debt
                       45,000,000 319,292,000 220,000,000           396,400,000    250,000,000 149,190,000     240,000,000 150,000,000 250,000,000   231,108,000 
          transfers to escrow for internal revenue code section 1031 exchanges
                                                                     
          proceeds from the issuance of secured debt
                          25,000,000       949,000 4,553,000   62,000 188,000 -28,468,000 11,338,000 9,023,000 10,181,000 5,547,000 10,953,000 23,828,000 28,052,000 125,576,000 145,235,000 19,656,000 269,969,000 288,277,000 82,681,000 61,796,000 12,408,000 11,410,000 13,446,000 60,440,000 6,508,000 34,046,000 35,487,000 2,469,000 6,858,000  
          net increase/(decrease) in cash and cash equivalents
                       377,000 -1,049,000 348,000         619,000                                   
          cash and cash equivalents, beginning of period
                       2,112,000  6,742,000  15,224,000  30,249,000 12,115,000  12,503,000  9,486,000  5,985,000  12,740,000  3,219,000  2,143,000  15,543,000  
          cash and cash equivalents, end of period
                       377,000 -1,049,000 2,460,000  -1,866,000 1,499,000 3,668,000  -1,669,000 -3,284,000 6,274,000  -12,211,000 10,925,000 15,891,000 1,914,000 7,121,000  -101,735,000 180,554,000 3,558,000  -8,152,000 9,942,000 11,692,000  2,033,000 -11,846,000 19,920,000  19,971,000 -32,149,000 37,132,000  1,449,000 -58,775,000 60,187,000  -575,000 1,252,000 1,676,000  22,458,000 -30,046,000 36,336,000  
          tax provision/(benefit)
                        366,000 332,000                                            
          adjustments to reconcile net income/(loss) to net cash from operating activities:
                                                                     
          tax (benefit)/provision
                                                                     
          acquisition of real estate assets (net of liabilities assumed) and initial capital expenditures
                                        -91,376,000 -4,051,000       -4,885,000       -26,774,000 -267,718,000 -128,912,000 -513,134,000 -238,206,000 -74,223,000 -62,968,000 -60,600,000    -18,556,000  
          (issuance)/repayment of notes receivable
                            -1,200,000 -1,125,000                                    
          cash and cash equivalents, beginning of year
                                                                     
          cash and cash equivalents, end of year
                                                                     
          loss on sale of real estate owned, net of tax
                           -7,315,000 -3,070,000                                       
          tax provision
                           94,000 -402,000 -403,000  -633,000 -1,404,000 -425,000                                    
          proceeds from sale of real estate investments
                           -42,000 -8,000 21,951,000     185,991,000 47,922,000                                
          net increase in cash and cash equivalents
                           -1,866,000 1,499,000 -3,074,000  -1,669,000 -3,284,000 -8,950,000   10,925,000 -14,358,000    -101,735,000 180,554,000 -8,945,000 -4,212,000 -8,152,000 9,942,000 2,206,000    13,935,000    24,392,000 9,879,000 1,449,000 -58,775,000 56,968,000 866,000 -575,000 1,252,000 -467,000 -26,605,000   20,793,000  
          acquisition of real estate
                               24,067,000                                    
          fair value adjustment of debt acquired as part of acquisition of real estate
                               1,363,000                                    
          conversion of operating partnership and downreit partnership noncontrolling interest to common stock
                                                                     
          conversion of operating partnership noncontrolling interest to common stock
                                                                     
          impairment loss, net of tax
                                                                     
          casualty-related (recoveries)/charges
                               541,000 843,000 996,000 41,000 500,000                                
          gain/(loss) on sale of real estate owned, net of tax
                                                                     
          tax benefit/(provision)
                                                                     
          income from unconsolidated entities
                                  2,074,000    -515,000 2,802,000       1,348,000 1,332,000 1,447,000 835,000 1,185,000 737,000 478,000 16,742,000 728,000 717,000              
          payments for the repurchase of series g preferred stock
                                                                  
          acquisition of nonredeemable noncontrolling interests
                                                                     
          gain on sale of real estate owned, net of tax
                                   -31,377,000 -26,709,000 -24,294,000                                
          tax benefit
                                   -2,490,000 -2,230,000 -3,329,000                                
          decrease/(increase) in operating assets
                                                             -2,735,000        
          net proceeds of revolving bank debt
                                   -116,500,000                                  
          conversion of op units into common shares
                                   4,127,000                                  
          transfer of real estate owned to investment in and advances to unconsolidated joint ventures
                                                                     
          issuance of notes receivable
                                     -1,535,000 -500,000 -2,180,000                   -4,969,000 -7,152,000          
          net gain on the sale of depreciable property, net of tax
                                                                     
          hurricane-related (recoveries)/charges
                                      -1,727,000 -548,000                              
          decrease in operating liabilities
                                      10,123,000 -19,406,000 -3,295,000 15,829,000 314,000 -15,487,000  8,853,000 3,848,000 -12,897,000      13,687,000   18,389,000 17,305,000 115,000 -37,341,000  10,413,000 15,177,000 -28,689,000      
          net cash (used in)/provided by investing activities
                                                    -62,338,000                 
          net (decrease)/increase in cash and cash equivalents
                                                                     
          secured debt assumed in the acquisitions of properties, including asset exchange
                                                                 
          fair market value adjustment of secured debt assumed in acquisitions of properties, including asset exchange
                                                                   
          conversion of operating partnership redeemable noncontrolling interests to common stock
                                      62,000 1,649,000                              
          net (loss)/income
                                       -309,000                              
          adjustments to reconcile net (loss)/income to net cash from operating activities:
                                                                     
          tax benefit of taxable reit subsidiary
                                       -1,973,000    -22,876,000                          
          gain on debt extinguishment
                                                                     
          capital expenditures related to rehabilitation of hurricane-damaged assets
                                       -2,592,000                              
          net decrease in cash and cash equivalents
                                       -4,994,000                              
          net gain on sale of marketable securities
                                                                    
          net gain on sale of cost investments
                                                                     
          net gain on the sale of depreciable property
                                        -156,000 1,133,000 -172,006,000 -80,525,000 -4,002,000 -11,364,000    -3,878,000                    
          (gain)/loss on debt extinguishment
                                                                     
          amortization of deferred financing costs and other
                                        -2,719,000 2,090,000 2,247,000 2,540,000 -3,976,000 2,163,000 1,315,000 2,923,000 3,096,000 1,922,000 1,845,000 2,094,000 2,454,000 2,092,000 2,164,000 1,243,000 654,000 2,345,000 2,188,000 2,575,000 1,889,000 1,882,000 1,924,000 1,787,000 1,695,000 1,491,000    
          amortization of deferred compensation
                                        860,000 832,000 4,736,000 2,313,000  2,545,000 2,449,000 2,656,000 2,332,000 3,071,000 3,110,000 2,898,000 1,743,000 1,666,000 1,857,000 2,339,000 1,678,000 1,812,000 1,790,000 1,744,000          
          hurricane-related charges
                                                                     
          amortization of convertible debt discount
                                             358,000 360,000 359,000 776,000 859,000 928,000 967,000                  
          changes in income tax accruals
                                             23,000                        
          increase/decrease in operating assets
                                                                     
          proceeds from sale of marketable securities
                                             1,044,000 3,021,000 476,000                      
          payments related to the buyout of joint venture partner
                                                -16,141,000                  
          cash paid in nonmonetary asset exchange
                                            12,717,000                         
          (purchase)/issuance of note receivable
                                                                     
          purchase deposits on pending real estate acquisitions
                                             40,766,000 -26,726,000 -17,450,000         234,000 5,050,000 -4,957,000 -1,021,000 7,273,000 -11,765,000 -1,300,000 -1,752,000      
          net (repayment)/borrowings of revolving bank debt
                                        76,000,000                             
          payment of financing costs
                                        40,000 -14,000 -121,000 -4,221,000 1,049,000 -812,000 -3,011,000 -369,000 -3,204,000 -2,549,000 -725,000 -1,766,000 -3,383,000 -1,475,000 -462,000 -3,330,000 -3,745,000 -619,000 639,000 -2,977,000 663,000 -2,296,000 -3,417,000 -1,725,000    -827,000 -8,081,000 
          (forfeitures)/issuance of common and restricted stock
                                        -19,000                             
          payment for redemption of op unitholder for cash
                                                                     
          distributions paid to redeemable non-controlling interests
                                                                     
          acquisition of nonredeemable non-controlling interests
                                                                     
          net cash (used in)/provided by financing activities
                                                                     
          contribution of purchase deposit made in 2011 to unconsolidated joint venture
                                                                     
          conversion of operating partnership non-controlling interests to common stock
                                        50,000 333,000    61,000    7,769,000 336,000 215,000  164,000                
          real estate acquired in asset exchange
                                                                     
          real estate disposed in asset exchange
                                                                     
          contingent consideration accrued in business combination
                                                                     
          op units issued in partial consideration for property acquisition
                                            48,156,000                        
          secured debt transferred in asset exchange
                                                                   
          fair market value of land contributed by non-controlling interest
                                                                     
          non-cash consideration to acquire non-real estate asset
                                                                     
          retirement of fully depreciated assets
                                                1,497,000 7,183,000                  
          tax expense of taxable reit subsidiary
                                         -2,960,000                            
          loss on debt extinguishment
                                         8,000 4,143,000 -4,428,000  -7,000 40,000 4,019,000                      
          increase in operating assets
                                         1,534,000   18,879,000       2,044,000                  
          distributions received from unconsolidated joint venture
                                         23,424,000 4,423,000 940,000  4,104,000 155,000 333,000  251,000 151,000 328,000                  
          issuance and purchase of note receivable
                                         -24,589,000                            
          distributions paid to non-controlling interests
                                         -2,268,000 -2,269,000 -2,231,000  -5,765,000 -1,758,000 -1,194,000 -1,245,000 -384,000 -1,341,000 -1,344,000 -1,350,000 -1,766,000 245,000 -4,404,000              
          issuance of restricted stock awards
                                           3,000  2,000 4,000 1,000 15,000 1,000 -2,000 3,000 2,000 -4,732,000 811,000 3,925,000  -2,447,000 2,449,000 -328,000 310,000    
          write off of bad debt
                                          777,000 721,000 -282,000 1,081,000 667,000 574,000 802,000 828,000 534,000 674,000 935,000 809,000 911,000 915,000              
          net repayment of revolving bank debt
                                                                     
          issuance of common and restricted stock
                                          -9,395,000 1,210,000  170,000 3,662,000 766,000 304,000 934,000 3,442,000 1,367,000                 
          adjustments to reconcile net loss to net cash from operating activities:
                                                                     
          issuance of note receivable
                                           -13,200,000                          
          marketable securities sold prior to and settled subsequent to end of period
                                               2,590,000                      
          consolidated net income
                                              14,909,000 -28,656,000  -24,605,000 -27,640,000 -25,026,000   -12,660,000 -13,423,000              
          proceeds from note receivable
                                                      -26,000,000             
          advances from/(payments to) general partner
                                                                     
          op unit redemption
                                                                     
          distributions paid to partnership unitholders
                                                                     
          interest paid during the year, net of amounts capitalized
                                               42,498,000 39,760,000 41,433,000 40,562,000 38,429,000                  
          properties acquired, including intangibles in asset exchange
                                                                     
          properties disposed in asset exchange, net of accumulated depreciation
                                                                     
          consolidated net loss
                                                                     
          fair market value of secured debt assumed in acquisitions of properties, including asset exchange
                                                                     
          asset exchange cash paid
                                                                     
          net realized gain on sale of marketable securities
                                               -3,123,000                      
          net (gain)/loss on the sale of depreciable property
                                               -41,000                      
          prepayments on income taxes
                                               503,000    502,000            325,000      
          consolidated net (loss)/income
                                                    -25,785,000                 
          net gains on the sale of depreciable property
                                                    62,000 -601,000   736,000 -6,705,000 -13,066,000 -767,146,000          
          net gains on the sale of land
                                                        -8,000 -175,000          
          gain on consolidation of joint ventures
                                                                     
          write off of the fair market adjustment for debt paid off on consolidated joint venture
                                                                     
          loss/(gain) on debt extinguishment
                                                83,000 91,000                    
          write off of note receivable and other assets
                                                    265,000 137,000                
          changes in income tax accrual
                                                1,837,000 -2,410,000                    
          (decrease)/increase in operating liabilities
                                                   -16,851,000                  
          proceeds from the sale of marketable securities
                                                                     
          distributions received from/(paid to) unconsolidated joint venture
                                                                     
          disbursements related to notes receivable
                                                                     
          purchase of marketable securities
                                                    1,000 -3,000 -3,000 -30,936,000              
          change in funds held in escrow from irc section 1031 exchanges
                                                                    
          net (repayment)/proceeds of revolving bank debt
                                                -80,850,000 -21,300,000 12,900,000 -68,300,000   10,000,000 51,100,000 -116,100,000 96,200,000 19,900,000 -309,500,000          
          payments from the repurchase of series g preferred stock
                                                                     
          repayment from the investment of performance based programs
                                                                     
          repurchase of common stock
                                                    -798,000 -9,019,000 -29,192,000 -102,322,000  -19,015,000        
          secured debt assumed with the acquisition of properties, net of fair value adjustment
                                                       27,000,000 68,728,000          
          payment of special dividend through the issuance of 11,358,042 shares of common stock
                                                                     
          issuance of note receivable upon the disposition of real estate
                                                        200,000,000          
          payments on the repurchase of series g preferred stock
                                                                    
          net (loss)/gain on the sale of depreciable property
                                                   41,000                  
          gains on debt extinguishment
                                                    -2,736,000 -7,113,000 -20,784,000             
          net gains on the sale of depreciable property to a joint venture
                                                                     
          prepayments/(refunds) on income taxes
                                                    1,008,000 719,000 713,000 414,000              
          investment in unconsolidated joint venture
                                                    -1,117,000 -6,530,000 -16,257,000 -1,084,000 -3,801,000 1,318,000 -376,000 463,000  -252,000 2,649,000 -5,929,000      
          (payments)/proceeds from the (repurchase)/issuance of series g preferred stock
                                                                     
          payment of preferred stock issuance costs
                                                                   
          (repayment)/proceeds from the investment of performance based programs
                                                        -178,000 -21,000            
          redemption of series b preferred stock
                                                                   
          real estate assets contributed
                                                                     
          amortization of convertible debt premium
                                                     967,000 1,053,000 1,296,000              
          proceeds from the issuance of common stock through public offering
                                                                     
          proceeds from the redemption of series g preferred stock
                                                                     
          repayment of the investment of performance based programs
                                                                     
          interest paid during the period
                                                     41,027,000 42,174,000 39,376,000 82,460,000 8,855,000 42,731,000 42,041,000  49,422,000 46,975,000 50,894,000 31,559,000 52,980,000 43,710,000 46,622,000 40,658,000 
          (payments on)/ proceeds from the issuance of common stock
                                                                     
          adjustments to reconcile consolidated net income to net cash from operating activities:
                                                                     
          net income/(gains) on the sale of depreciable property
                                                       168,000              
          write off of notes receivable and other assets
                                                       439,000              
          (payments on)/proceeds from the issuance of common stock
                                                       -335,000              
          conversion of operating partnership minority interests to common stock
                                                       4,225,000 10,796,000 53,000 1,274,000 53,000  39,000 4,199,000 4,373,000 7,671,000 67,000    
          gains on the sale of technology investment
                                                                     
          minority interests
                                                        -2,218,000 -345,000 414,000 48,842,000 5,823,000 4,371,000 38,000 1,726,000 1,491,000 3,541,000    
          (refunds)/prepayments on income taxes
                                                        -2,799,000 123,000 -3,238,000 -932,000          
          contributions to unconsolidated joint ventures
                                                                     
          proceeds from the sale of technology investment
                                                                   
          purchase of capped call equity instrument
                                                                     
          proceeds from the exercise of stock options
                                                                     
          proceeds from the (redemption)/issuance of series g preferred stock
                                                                    
          purchase of minority interests owned by series a llc
                                                                     
          distributions paid to minority interests
                                                        -9,743,000 -2,930,000 -3,031,000 -2,962,000 -2,804,000 -2,987,000 -3,143,000 -3,165,000    -3,192,000 -3,535,000 
          non-cash transactions associated with consolidated joint venture:
                                                                     
          real estate assets acquired
                                                                     
          secured debt assumed
                                                                -22,272,000 22,271,000    
          operating liabilities assumed
                                                                -1,188,000 1,188,000    
          disbursements related to note receivable
                                                                     
          proceeds from the issuance of common stock
                                                         1,774,000 100,000 617,000 594,000 1,012,000 301,000 617,000 862,000 1,218,000 56,000 3,167,000 149,000 
          repayment of note receivable
                                                              4,000,000  7,960,000 22,460,000 29,385,000  
          increase in funds held in escrow from irc section 1031 exchanges pending the acquisition of real estate
                                                          116,502,000 -292,080,000   -407,000 -25,373,000      
          proceeds from the issuance of series g preferred stock
                                                                   
          (repayment)/proceeds of the investment of performance based programs
                                                           -326,000          
          net gains on the sale of land and depreciable property
                                                            -5,127,000 -86,804,000 -8,920,000 -41,532,000      
          net gain on the sale of depreciable property to a joint venture
                                                                     
          cancellation of operating partnership units in connection with the sale of equity investment
                                                                     
          gain on the sale of technology investment
                                                                     
          gain on the sale of unconsolidated joint venture
                                                                     
          distribution of earnings from unconsolidated joint venture
                                                                     
          refunds/(prepayments) on income taxes
                                                                     
          proceeds from the sale of real estate investments
                                                                     
          collection of notes receivable
                                                                    
          distributions to consolidated joint venture partners
                                                                     
          distribution of capital from unconsolidated joint venture
                                                                    
          increase in funds held in escrow from irc 1031 exchanges pending the acquisition of real estate
                                                                     
          proceeds from the investment of performance based programs
                                                            -37,000 -39,000 126,000      
          purchase of minority interest from outside partners
                                                                    
          conversion of operating partnership units to cash
                                                                    
          repurchases of common and preferred stock
                                                                     
          gain on sale of technology investment
                                                                     
          amortization of restricted stock expense
                                                                     
          refund of income taxes paid
                                                             855,000        
          net proceeds from revolving bank debt
                                                             -39,200,000 72,800,000 48,900,000  22,200,000 17,200,000 73,400,000  
          collateral substitution deposit
                                                                     
          proceeds from the issuance of performance shares
                                                                83,000   -37,000 
          cancellation of performance shares
                                                                     
          secured debt assumed with the acquisition of properties
                                                             31,362,000 41,318,000      
          non-cash transactions associated with joint venture:
                                                                     
          real estate asset acquired
                                                                 9,945,000    
          operating assets assumed
                                                                     
          scheduled principal payments on secured debt
                                                               -1,173,000    -955,000 -1,046,000 
          repayment of notes receivable
                                                                     
          decrease/(increase) in funds held in escrow from tax free exchanges pending the acquisition of real estate
                                                                     
          non-scheduled principal payments on secured debt
                                                                    
          proceeds from the repayment of officer loans
                                                                     
          conversion of minority interests in series b, llc
                                                                     
          issuance of operating partnership units in connection with acquisitions
                                                                     
          cancellation of a note receivable with the acquisition of a property
                                                                     
          receipt of a note receivable in connection with sales of real estate investments
                                                                     
          deferred gain in connection with the sale of real estate investments
                                                                     
          adjustments to reconcile net income to net cash provided by operating activities:
                                                                     
          net cash provided by operating activities
                                                                 67,366,000    
          investment activities
                                                                     
          acquisition of real estate assets (net of liabilities assumed and initial capital expenditures
                                                                     
          capital expenditures and other major improvements—real estate assets, net of escrow reimbursement
                                                                     
          capital expenditures—non-real estate assets
                                                                     
          investment in consolidated joint venture
                                                                     
          decrease in funds held in escrow from 1031 exchanges pending the acquisition of real estate
                                                                     
          purchase of minority interests from outside partners
                                                                     
          secured debt assumed with acquisition of a property
                                                                    
          deferred gain in connection with sales of real estate investments
                                                                     
          investment in joint venture
                                                                     
          increase in funds due to overnight investment
                                                                     
          impairment loss on real estate and investments
                                                                     
          repayment of notes receivables
                                                                    31,140,000 
          issuance of preferred stock in connection with acquisitions
                                                                     
          issuance of preferred operating partnership units in connection with acquisitions