7Baggers

Alexandria Real Estate Equities, Inc
(NYSE:ARE) 

ARE stock logo

Alexandria Real Estate Equities, Inc. (NYSE:ARE), an S&P 500<sup></sup> urban office real estate investment trust (REIT), is the first, longest-tenured, and pioneering owner, operator, and developer uniquely focused on collaborative life science, technology, and agtech campuses in AAA innovation clu...

Founded: 1994
Full Time Employees: 439
Sector: Real Estate
Industry: REIT-Office

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Quarterly
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    Unit: USD2025-09-30 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 2022-09-30 2022-06-30 2022-03-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2018-09-30 2017-03-31 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 2013-12-31 2013-09-30 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 2008-09-30 2008-06-30 2008-03-31 2007-09-30 2007-06-30 
                                                               
      revenues:
                                                               
      income from rentals
    735,849,000 737,279,000 743,175,000 763,249,000 775,744,000 755,162,000 755,551,000 742,637,000 707,531,000 704,339,000 687,949,000 656,853,000 640,959,000 612,554,000 546,527,000 508,371,000 478,695,000 461,335,000 543,412,000 435,856,000 437,605,000                                       
      other income
    16,095,000 24,761,000 14,983,000 25,696,000 15,863,000 11,572,000 13,557,000 14,579,000 6,257,000 9,561,000 12,846,000 2,999,000 2,805,000 2,511,000 1,232,000 1,248,000 1,154,000 2,385,000 1,630,000 1,100,000 2,314,000 5,276,000 2,338,000 5,107,000 10,331,000 5,216,000 10,899,000 7,180,000 2,757,000 4,751,000 2,519,000 2,325,000 466,000 3,934,000 3,159,000 3,571,000 3,569,000 2,993,000 3,785,000 2,640,000 9,381,000 2,629,000 1,567,000 2,475,000 926,000 777,000 1,634,000 1,586,000 922,000 1,071,000 1,010,000 1,162,000 8,910,000 754,000 2,648,000 2,892,000 3,250,000 3,734,000 3,410,000 
      total revenues
    751,944,000 762,040,000 758,158,000 788,945,000 791,607,000 766,734,000 769,108,000 757,216,000 713,788,000 713,900,000 700,795,000 659,852,000 643,764,000 615,065,000 547,759,000 509,619,000 479,849,000 463,720,000 545,042,000 436,956,000 439,919,000 341,823,000 270,877,000 230,379,000 226,076,000 216,089,000 223,955,000 218,610,000 204,156,000 196,753,000 188,674,000 185,615,000 176,402,000 176,186,000 167,906,000 158,630,000 154,235,000 150,380,000 154,170,000 145,455,000 154,105,000 144,966,000 147,680,000 143,427,000 143,976,000 140,309,000 132,177,000 121,629,000 117,010,000 116,487,000 114,369,000 114,605,000 121,432,000       
      yoy
    -5.01% -0.61% -1.42% 4.19% 10.90% 7.40% 9.75% 14.76% 10.88% 16.07% 27.94% 29.48% 34.16% 32.64% 0.50% 16.63% 9.08% 35.66% 101.21% 89.67% 94.59% 58.19% 20.95% 5.38% 10.74% 9.83% 18.70% 17.78% 15.73% 11.67% 12.37% 17.01% 14.37% 17.16% 8.91% 9.06% 0.08% 3.73% 4.39% 1.41% 7.04% 3.32% 11.73% 17.92% 23.05% 20.45% 15.57% 6.13% -3.64%           
      qoq
    -1.32% 0.51% -3.90% -0.34% 3.24% -0.31% 1.57% 6.08% -0.02% 1.87% 6.20% 2.50% 4.67% 12.29% 7.48% 6.20% 3.48% -14.92% 24.74% -0.67% 28.70% 26.19% 17.58% 1.90% 4.62% -3.51% 2.44% 7.08% 3.76% 4.28% 1.65% 5.22% 0.12% 4.93% 5.85% 2.85% 2.56% -2.46% 5.99% -5.61% 6.30% -1.84% 2.97% -0.38% 2.61% 6.15% 8.67% 3.95% 0.45% 1.85% -0.21% -5.62%        
      expenses:
                                                               
      rental operations
    239,234,000 224,433,000 226,395,000 240,432,000 233,265,000 217,254,000 218,314,000 222,726,000 217,687,000 211,834,000 206,933,000 201,189,000 196,284,000 181,328,000 165,995,000 143,955,000 137,888,000 136,767,000 140,443,000 123,911,000 129,103,000 99,759,000 77,087,000 72,002,000 67,325,000 65,837,000 68,913,000 68,846,000 62,250,000 61,223,000 56,881,000 57,423,000 52,353,000 52,507,000 49,750,000 47,742,000 46,323,000 45,224,000 46,639,000 44,614,000 44,506,000 43,410,000 45,083,000 42,608,000 40,679,000 41,081,000 36,571,000 33,704,000 30,352,000 31,651,000 29,064,000 30,783,000 29,059,000 32,684,000 29,749,000 27,588,000 28,329,000 25,522,000 22,838,000 
      general and administrative
    29,224,000 29,128,000 30,675,000 32,730,000 43,945,000 44,629,000 47,055,000 59,289,000 45,987,000 45,882,000 48,196,000 49,958,000 43,397,000 40,931,000 37,931,000 37,880,000 33,996,000 32,690,000 36,913,000 31,775,000 31,963,000 22,660,000 19,229,000 15,854,000 15,384,000 15,188,000 15,102,000 15,143,000 14,989,000 14,387,000 13,861,000 12,609,000 13,836,000 13,224,000 12,734,000 11,666,000 12,472,000 11,648,000 12,643,000 12,485,000 12,324,000 10,361,000 10,611,000 10,297,000 10,766,000 9,500,000 8,599,000 8,044,000 8,266,000 9,481,000 8,463,000 9,610,000 8,803,000 9,418,000 8,588,000 8,452,000 8,787,000 8,343,000 7,921,000 
      interest
    54,852,000 55,296,000 50,876,000 55,659,000 43,550,000 45,789,000 40,840,000 31,967,000 11,411,000 17,072,000 13,754,000 22,984,000 24,257,000 29,440,000 35,678,000 35,158,000 36,467,000 37,538,000 43,318,000 45,014,000 45,739,000 42,244,000 29,784,000 25,850,000 25,025,000 24,855,000 28,230,000 27,679,000 26,668,000 23,236,000 22,188,000 20,555,000 17,433,000 19,123,000 17,783,000 16,171,000 15,978,000 18,020,000 17,941,000 17,094,000 17,922,000 16,227,000 14,757,000 14,273,000 16,571,000 17,842,000 17,191,000 16,111,000 18,778,000 17,562,000 19,406,000 20,909,000 21,063,000 20,199,000 19,948,000 17,732,000 22,245,000 23,947,000 19,870,000 
      depreciation and amortization
    340,230,000 346,123,000 342,062,000 330,108,000 293,998,000 290,720,000 287,554,000 285,246,000 269,370,000 273,555,000 265,302,000 254,929,000 242,078,000 240,659,000 210,842,000 190,052,000 180,913,000 177,750,000 176,831,000 168,027,000 175,496,000 119,600,000 97,183,000 77,133,000 70,169,000 70,866,000 72,245,000 67,953,000 62,171,000 58,920,000 57,973,000 58,388,000 57,314,000 50,421,000 47,376,000 49,102,000 46,580,000 46,065,000 48,072,000 47,176,000 52,316,000 43,405,000 41,337,000 39,652,000 40,363,000 36,707,000 34,453,000 32,009,000 30,342,000 29,735,000 29,031,000 28,031,000 29,525,000 31,446,000 27,447,000 27,002,000 25,673,000 24,080,000 22,654,000 
      impairment of real estate
    323,870,000 129,606,000 32,154,000 186,564,000 5,741,000 30,763,000  271,890,000 20,649,000 168,575,000  38,783,000   42,620,000 4,926,000 5,129,000 25,177,000 7,680,000 13,218,000 2,003,000   8,114,000 156,143,000 28,980,000 8,740,000   14,510,000                              
      loss on early extinguishment of debt
    107,000            3,317,000    67,253,000 7,898,000 52,770,000   1,122,000 670,000 3,230,000     189,000   525,000    1,432,000 560,000                       
      total expenses
    987,517,000 784,586,000 682,162,000 845,493,000 620,499,000 629,155,000 593,763,000 871,118,000 565,104,000 716,918,000 534,185,000 567,843,000 509,333,000 492,358,000 493,066,000 411,971,000 461,646,000 417,820,000 457,955,000 381,945,000 384,304,000 285,385,000 223,953,000 202,183,000 334,046,000 205,726,000 193,230,000 179,621,000 166,267,000 172,276,000 202,578,000 149,500,000 140,936,000 135,275,000 127,643,000 126,113,000 121,913,000 120,957,000 129,570,000 121,369,000 127,068,000 113,403,000 111,788,000 106,830,000 108,379,000 105,130,000 96,814,000 89,868,000 87,738,000 88,429,000 85,964,000 89,333,000 88,450,000       
      equity in earnings of unconsolidated real estate joint ventures
    201,000 -9,021,000  6,635,000 139,000 130,000 155,000 363,000 242,000 181,000 194,000 40,000 213,000 220,000 3,091,000 2,609,000  3,593,000 3,778,000 3,893,000  40,718,000                                      
      investment income
    28,161,000  -49,992,000 3,716,500 15,242,000  43,284,000     -32,305,000 -39,481,000 -240,319,000 67,084,000 304,263,000 1,014,000 255,137,000 3,348,000 184,657,000 -21,821,000 122,203,000                                      
      gain on sales of real estate
    9,366,000  13,165,000 101,806,000 27,114,000  392,000 62,227,000  214,810,000  323,699,000 214,219,000  -435,000  2,779,000 396,500 1,586,000                                         
      net income
    -197,845,000 -62,189,000 38,662,000 -16,095,000 213,603,000 94,049,000 219,176,000 -42,658,000 68,254,000 133,705,000 121,693,000 383,443,000 309,382,000 -117,392,000 124,433,000 404,520,000 25,533,000 457,133,000 95,799,000 243,561,000 30,678,000 219,359,000 47,555,000 28,559,000 -108,116,000 9,966,000 42,977,000 39,699,000 38,430,000 25,008,000 -6,030,000 35,943,000 36,116,000 40,749,000 44,222,000 32,453,000 33,337,000 30,237,000 28,807,000 18,305,000 25,641,000 32,775,000 35,462,000 32,995,000 34,311,000 32,625,000 92,000,000 30,461,000  28,785,000 29,905,000 26,378,000 44,116,000 41,249,000 28,600,000 28,421,000 37,688,000 22,900,000 24,048,000 
      yoy
    -192.62% -166.12% -82.36% -62.27% 212.95% -29.66% 80.11% -111.12% -77.94% -213.90% -2.20% -5.21% 1111.69% -125.68% 29.89% 66.09% -16.77% 108.39% 101.45% 752.83% -128.38% 2101.07% 10.65% -28.06% -381.33% -60.15% -812.72% 10.45% 6.41% -38.63% -113.64% 10.75% 8.34% 34.77% 53.51% 77.29% 30.01% -7.74% -18.77% -44.52% -25.27% 0.46% -61.45% 8.32%  13.34% 207.64% 15.48%  -30.22% 4.56% -7.19% 17.06% 80.13% 18.93%     
      qoq
    218.14% -260.85% -340.21% -107.54% 127.12% -57.09% -613.80% -162.50% -48.95% 9.87% -68.26% 23.94% -363.55% -194.34% -69.24% 1484.30% -94.41% 377.18% -60.67% 693.93% -86.01% 361.27% 66.51% -126.42% -1184.85% -76.81% 8.26% 3.30% 53.67% -514.73% -116.78% -0.48% -11.37% -7.85% 36.26% -2.65% 10.25% 4.96% 57.37% -28.61% -21.77% -7.58% 7.48% -3.84% 5.17% -64.54% 202.03%   -3.75% 13.37% -40.21% 6.95% 44.23% 0.63% -24.59% 64.58% -4.77%  
      net income margin %
    -26.31% -8.16% 5.10% -2.04% 26.98% 12.27% 28.50% -5.63% 9.56% 18.73% 17.36% 58.11% 48.06% -19.09% 22.72% 79.38% 5.32% 98.58% 17.58% 55.74% 6.97% 64.17% 17.56% 12.40% -47.82% 4.61% 19.19% 18.16% 18.82% 12.71% -3.20% 19.36% 20.47% 23.13% 26.34% 20.46% 21.61% 20.11% 18.69% 12.58% 16.64% 22.61% 24.01% 23.00% 23.83% 23.25% 69.60% 25.04% 0% 24.71% 26.15% 23.02% 36.33% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% 
      net income attributable to noncontrolling interests
    -34,909,000 -44,813,000 -47,601,000 -46,150,000 -45,656,000 -47,347,000 -48,631,000 -45,771,000 -43,985,000 -43,768,000 -43,831,000 -38,747,000 -37,168,000 -32,177,000 -21,286,000 -19,436,000 -17,412,000 -15,649,000 -14,743,000 -13,907,000 -11,913,000 -5,723,000 -5,844,000 -4,084,000 -3,500,000 -4,030,000 -972,000 -170,000 -263,000 -492,000 -1,362,000 -1,340,000 -1,307,000 1,195,000 1,110,000 960,000 980,000 982,000 1,012,000 828,000 851,000 711,000 1,142,000 966,000 938,000 929,000 944,000 920,000 930,000 935,000 924,000 886,000 4,362,000 875,000      
      net income attributable to alexandria real estate equities, inc.’s stockholders
    -232,754,000 -107,002,000 -8,939,000 -62,245,000 167,947,000 46,702,000 170,545,000 -88,429,000 24,269,000 89,937,000 77,862,000 344,696,000 272,214,000 -149,569,000 103,147,000 385,084,000 8,121,000 441,484,000 81,056,000 229,654,000 18,765,000 213,636,000 41,711,000 24,475,000 -111,616,000 5,936,000                                  
      net income attributable to unvested restricted stock awards
    -2,183,000 -2,609,000 -2,660,000 -2,677,000 -3,273,000 -3,785,000 -3,659,000 -3,498,000 -2,414,000 -2,677,000 -2,606,000 -3,257,000 -2,934,000 -2,081,000 -1,883,000 -4,521,000 -2,014,000 -4,864,000 -1,730,000 -3,054,000 -1,925,000 -3,395,000 -987,000 -921,000 -1,085,000 -801,000 -628,000 -623,000 -630,000 -483,000 -489,000 -506,000 -405,000 374,000 394,000 442,000 403,000 342,000 324,000 360,000 271,000 235,000 270,000 278,000 298,000 242,000 493,000 217,000 149,000 219,000 232,000 199,000 367,000 517,000      
      net income attributable to alexandria real estate equities, inc.’s common stockholders
    -234,937,000 -109,611,000 -11,599,000 -64,922,000 164,674,000 42,917,000 166,886,000 -91,927,000 21,855,000 87,260,000 75,256,000 341,439,000 269,280,000 -151,650,000 101,264,000 380,563,000 6,107,000 436,620,000 79,326,000 226,600,000 16,840,000 208,940,000 25,661,000 5,452,000 -127,648,000 -3,818,000            22,442,000 21,000,000 10,646,000 17,616,000 18,368,000 26,960,000 24,662,000 25,986,000 24,365,000 83,474,000 22,235,000 -20,393,000 20,542,000 21,660,000 18,203,000 32,298,000 32,768,000      
      net income per share
                          0.29 0.07                                    
      basic
    -1.38 -0.64 -0.07 -0.38 0.96 0.25 0.97 -0.54 0.13 0.51 0.44 2.11 1.67 -0.96 0.67 2.61 0.04 3.41 0.64 1.82 0.14 2.01                                      
      diluted
    -1.38 -0.64 -0.07 -0.38 0.96 0.25 0.97 -0.54 0.13 0.51 0.44 2.11 1.67 -0.96 0.67 2.61 0.04 3.4 0.63 1.82 0.14 1.99                                      
      investment loss
     -30,622,000    -43,660,000  -51,012,750 -80,672,000 -78,268,000 -45,111,000                                                 
      equity in (losses) earnings of unconsolidated real estate joint ventures
      -507,000                  -3,116,000    -146,000 -397,000                                  
      equity in earnings (losses) of unconsolidated real estate joint ventures
                    3,537,000      361,000 273,000                                    
      dividends on preferred stock
                         -1,301,000 -3,784,000 -5,007,000 -5,474,000 -5,907,000 -6,246,000 -6,247,000 -6,246,000 -6,247,000 -6,284,000 -6,471,000 -6,472,000 6,471,000 6,471,000 6,472,000 6,471,000 6,471,000 6,471,000 6,471,000 6,903,000 7,483,000 7,090,000 7,089,000 7,089,000 7,089,000 7,089,000 7,089,000 7,090,000 7,089,000 7,089,000 7,090,000 7,089,000 7,089,000 7,090,000 7,118,000 2,928,000 2,714,000 2,714,000 
      preferred stock redemption charge
                          -11,279,000 -13,095,000 -9,473,000 -3,046,000                5,978,000                  
      rental
                         255,496,000 207,193,000 166,591,000 161,638,000 158,276,000 158,100,000 155,311,000 151,805,000 143,608,000 140,873,000 137,718,000 134,992,000 130,570,000 124,943,000 116,302,000 114,743,000 111,776,000 114,205,000 108,367,000 110,683,000 107,785,000 110,053,000 106,160,000 109,820,000 106,624,000 99,901,000 90,395,000 89,512,000 88,858,000 88,129,000 87,436,000 87,825,000 104,941,000 85,829,000 83,176,000 82,156,000 78,636,000 73,369,000 
      tenant recoveries
                         81,051,000 61,346,000 58,681,000 54,107,000 52,597,000 54,956,000 56,119,000 49,594,000 48,394,000 45,282,000 45,572,000 40,944,000 41,682,000 39,804,000 38,757,000 35,923,000 35,611,000 36,180,000 34,448,000 34,041,000 34,552,000 36,060,000 34,792,000 33,230,000 32,908,000 30,642,000 29,648,000 26,576,000 26,558,000 25,230,000 26,007,000 24,697,000 27,062,000 26,803,000 23,986,000 24,553,000 21,762,000 19,123,000 
      gain on sales of real estate – rental properties
                          270,000                                     
      gain on sales of real estate – land parcels
                           90,000                                    
      dividends declared per share of common stock
                         0.93 0.83 0.8 0.8 0.8 0.57 0.77 0.77 0.74 0.535 0.72                            
      net income per share
                          0.29 0.07                                    
      income from continuing operations
                           28,469,000 -108,116,000 9,966,000 42,977,000 39,699,000 38,430,000 25,051,000 -13,350,000 36,115,000 35,466,000 40,911,000 40,263,000 32,517,000 32,322,000 29,423,000 26,825,000 24,086,000 25,435,000 30,940,000 35,892,000 33,855,000 34,349,000 32,684,000 32,991,000 30,461,000  28,058,000 28,405,000 25,272,000 44,236,000 39,010,000 28,619,000 28,332,000 21,989,000 21,331,000 21,717,000 
      income from discontinued operations
                                 -43,000 1,722,000 -180,000 -147,000 -162,000 -93,000 -64,000 243,000 814,000 1,982,000  206,000      -433,000   727,000 1,500,000 1,106,000  2,239,000  89,000 15,699,000 1,569,000 2,331,000 
      continuing operations
                           0.07 -1,720 -50 490 460 440 250 -260 390 0.39 0.46 0.52 0.35 0.38 0.35 0.3 0.26 0.29 0.3 0.45 0.41 0.44 0.44 1.71 0.45 -0.45 0.45 0.43 0.44 0.83 0.94 0.68 0.67 0.6 0.64 0.65 
      discontinued operations
                                  30       0.01         -0.01   0.02 0.03 0.03  0.07   0.5 0.05 0.08 
      eps attributable to alexandria real estate equities, inc.’s common stockholders – basic and diluted:
                                                               
      eps – basic and diluted
                            -1,720 -50 490 460 440 250 -230 390                            
      equity in earnings of unconsolidated joint ventures
                              456,250 710,000 541,000 574,000                              
      net income attributable to alexandria’s common stockholders
                              35,131,000 32,659,000 31,291,000 17,786,000 -16,154,000 27,626,000 27,932,000 32,709,000 18,126,000 24,579,000 25,483,000                       
      eps attributable to alexandria’s common stockholders – basic and diluted:
                                                               
      gain on sales of land parcels
                                  201,250 8,000                            
      gain on sale of land parcel
                                    797,000    772,000  466,000   1,864,000 11,500 46,000                
      earnings per share attributable to alexandria’s common stockholders – basic and diluted:
                                                               
      earnings per share – basic and diluted
                                    0.39 0.46 0.52 0.35 0.38 0.36 0.188 0.17 0.29                   
      income from discontinued operations:
                                                               
      income from discontinued operations before impairment of real estate
                                      -93,000 -64,000   3,583,000 4,018,000                    
      gains on sales of land parcels
                                      193,000                         
      earnings per share attributable to alexandria real estate equities, inc.’s common stockholders – basic and diluted:
                                                               
      income from continuing operations before loss on early extinguishment of debt
                                          19,211,500 24,086,000 27,037,000 31,563,000 35,892,000 36,597,000 35,597,000 35,179,000              
      revenues
                                                               
      expenses
                                                               
      earnings per share attributable to alexandria real estate equities, inc.’s common stockholders – basic
                                                               
      earnings per share – basic
                                             0.3 0.44 0.4 0.44 0.44 1.7 0.45 -0.45 0.47 0.46 0.47 0.83 1.01   1.1   
      earnings per share attributable to alexandria real estate equities, inc.’s common stockholders – diluted
                                                               
      earnings per share – diluted
                                             0.3 0.44 0.4 0.44 0.44 1.7 0.45 -0.45 0.47 0.46 0.47 0.82 1.01   1.09   
      income from discontinued operations before gain on sales of real estate
                                                               
      gain on early extinguishment of debt
                                                        11,254,000       
      non-cash impairment on investments
                                                          1,985 1,985 1,985,000   
      weighted-average shares of common stock outstanding
                                                               
      basic
                                                         32,478,671,000 31,694,711 31,615,359 31,546,591 29,258,184 29,045,354 
      diluted
                                                         32,498,107,000 31,959,890 31,887,477 31,801,945 29,507,316 29,362,514 
      minority interest
                                                          929,000 948,000 951,000 909,000 902,000 
      net income available to common stockholders
                                                          21,510,000 21,303,000 34,760,000 20,186,000 21,334,000 
      earnings per share - basic
                                                          0.68 0.67  0.69 0.73 
      earnings per share - diluted
                                                          0.67 0.67  0.68 0.73 
      operating activities
                                                               
      adjustments to reconcile net income to net cash from operating activities:
                                                               
      amortization of loan fees and costs
                                                          5,228 3,489 1,775 4,419 2,782 
      amortization of debt premiums/discount
                                                               
      amortization of above and below market leases
                                                               
      deferred rent
                                                               
      stock compensation expense
                                                          10,114 6,591 3,536 8,188 5,414 
      equity in loss related to investments
                                                          106 79 77 161 43 
      gain on sales of investments
                                                               
      gain/loss on properties “held for sale” and sales of property
                                                               
      changes in operating assets and liabilities:
                                                               
      tenant security deposits and other restricted cash
                                                               
      tenant receivables
                                                           311    
      other assets
                                                               
      accounts payable, accrued expenses and tenant security deposits
                                                          45,374 12,654  46,148 17,608 
      net cash from operating activities
                                                          168,415 81,426 25,218 138,547 81,393 
      investing activities
                                                               
      additions to properties
                                                               
      proceeds from sales of property
                                                          79,113 79,113 68,047   
      additions to investments
                                                               
      proceeds from investments
                                                          11,194 8,221 3,794 15,606 10,696 
      net cash from investing activities
                                                               
      financing activities
                                                               
      proceeds from secured notes payable
                                                          6,719 3,412  202,700 2,700 
      principal reductions of secured notes payable
                                                               
      principal borrowings from unsecured line of credit
                                                          656,000 469,000 320,000   
      repayments of borrowings from unsecured line of credit
                                                               
      proceeds from unsecured convertible notes
                                                             450,800 450,800 
      redemption of series b preferred stock
                                                               
      proceeds from issuance of common stock
                                                             186,981  
      proceeds from issuance of series d convertible preferred stock
                                                          242,186 242,186 213,086   
      proceeds from exercise of stock options
                                                          2,498 1,960 411 1,937 1,620 
      dividends paid on common stock
                                                               
      dividends paid on preferred stock
                                                               
      distributions to minority interest
                                                               
      contributions by minority interest
                                                          1,107 649 649 2,285 952 
      redemption of minority interest
                                                               
      net cash from financing activities
                                                          169,378 91,837 22,312 522,826 132,087 
      net increase in cash and cash equivalents
                                                          7,361   7,832 4,069 
      cash and cash equivalents at beginning of period
                                                          8,030 8,030 8,030 2,948 2,948 
      cash and cash equivalents at end of period
                                                          15,391 7,072 7,654 10,780 7,017 
      amortization of premiums/discount on secured notes payable
                                                               
      gain on sales of properties
                                                               
      purchase of rental properties
                                                               
      proceeds from sale of rental properties
                                                             60,776 20,724 
      additions to rental properties
                                                               
      additions to properties undergoing development and development land
                                                               
      principal borrowings from unsecured line of credit and term loan
                                                             814,000 363,000 
      repayments of unsecured line of credit
                                                               
      gain on sale of investments
                                                               
      gain on sale of properties
                                                               
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-09-30 2025-06-30 2025-03-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-09-30 2022-06-30 2022-03-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2018-09-30 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 2013-12-31 2013-09-30 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 
                                                                 
        assets
                                                                 
        investments in real estate
      31,743,917,000 32,160,600,000 32,121,712,000 32,951,777,000 32,673,839,000 32,323,138,000 31,633,511,000 31,712,731,000 31,178,054,000 30,889,395,000 28,771,745,000 27,952,931,000 27,100,009,000 23,071,514,000 21,692,385,000 20,253,418,000 18,092,372,000 17,600,648,000 16,281,125,000 15,832,182,000 11,587,312,000 7,939,179,000 7,774,608,000 7,741,466,000 7,629,922,000 7,654,209,000 7,442,875,000 7,388,059,000 7,226,016,000 7,197,630,000 7,030,117,000 6,930,262,000 6,776,914,000 6,613,761,000 6,453,379,000 6,375,182,000 6,424,578,000 6,300,027,000 6,208,354,000 6,892,429,000 6,750,975,000 6,635,872,000 6,534,433,000 6,145,499,000 5,444,814,000 5,273,649,000 5,155,737,000 5,055,223,000            
        investments in unconsolidated real estate joint ventures
      39,601,000 40,234,000 50,086,000 40,170,000 40,535,000 40,636,000 37,780,000 37,695,000 37,801,000 38,355,000 38,285,000 37,587,000 38,456,000 321,737,000 323,622,000 325,928,000 332,349,000 330,792,000 326,858,000 325,665,000 197,970,000 133,580,000 132,433,000 127,165,000                                    
        cash and cash equivalents
      579,474,000 520,545,000 476,430,000 562,606,000 561,021,000 722,176,000 618,190,000 532,390,000 924,370,000 1,263,452,000 533,824,000 420,258,000 775,060,000 325,872,000 323,876,000 492,184,000 568,532,000 446,255,000 206,860,000 445,255,000 204,181,000 157,928,000 256,000,000 146,197,000 125,098,000 76,383,000 68,617,000 90,641,000 86,011,000 67,023,000 61,701,000 74,970,000 57,696,000 53,839,000 302,205,000 87,001,000 140,971,000 94,904,000 80,937,000 77,361,000 78,539,000 73,056,000 60,925,000 78,196,000 91,232,000 110,811,000 73,254,000 70,980,000 70,628,000 68,280,000 70,313,000 125,281,000 71,161,000 15,391,000 7,072,000 7,654,000 8,030,000 10,780,000 7,017,000 
        restricted cash
      4,705,000 7,403,000 7,324,000 17,031,000 4,832,000 9,519,000 42,581,000 35,321,000 35,920,000 34,932,000 332,344,000 97,404,000 95,106,000 42,182,000 33,697,000 42,219,000 29,173,000 38,788,000 34,680,000 43,116,000 29,699,000 16,406,000 13,131,000 14,885,000 28,872,000 36,993,000 44,191,000 56,704,000 26,884,000 24,245,000 24,519,000 30,454,000 27,709,000 30,654,000 30,914,000 30,008,000 39,947,000 44,863,000 41,897,000 39,803,000 23,332,000 27,929,000 23,432,000 30,513,000 28,354,000 35,295,000 37,660,000 35,832,000            
        tenant receivables
      6,409,000 6,267,000 6,875,000 6,980,000 6,822,000 7,469,000 8,211,000 6,897,000 6,951,000 8,197,000 7,759,000 7,069,000 7,570,000 7,749,000 6,710,000 7,556,000 7,333,000 7,641,000 7,208,000 14,976,000 11,041,000 9,635,000 9,196,000 9,979,000 10,485,000 10,124,000 9,279,000 10,627,000 10,548,000 10,830,000 10,654,000 10,619,000 9,918,000 8,671,000 7,577,000 9,261,000 8,449,000 10,124,000 6,143,000 8,836,000 7,480,000 6,599,000 4,487,000 7,018,000 5,492,000 4,929,000 3,059,000 2,710,000 3,902,000 3,789,000 4,665,000 5,992,000 6,453,000 6,849,000 6,448,000 8,853,000 6,759,000 7,001,000 6,360,000 
        deferred rent
      1,257,378,000 1,232,719,000 1,210,584,000 1,216,176,000 1,190,336,000 1,138,936,000 1,050,319,000 1,012,666,000 984,366,000 974,865,000 918,995,000 905,699,000 881,743,000 816,219,000 781,600,000 751,967,000 722,751,000 719,552,000 688,749,000 663,926,000 511,680,000 318,286,000 303,379,000 293,144,000 280,570,000 267,954,000 257,427,000 243,459,000 234,124,000 225,506,000 214,793,000 202,087,000 190,425,000 182,909,000 177,507,000 170,100,000 170,396,000 160,914,000 155,295,000 150,515,000  132,954,000 125,867,000 123,091,000 116,849,000 108,303,000 102,422,000 99,248,000 96,700,000 92,022,000 87,697,000 85,970,000 85,733,000 87,097,000 87,222,000 84,152,000 81,496,000 77,228,000 73,493,000 
        deferred leasing costs
      505,241,000 491,074,000 489,287,000 516,872,000 519,629,000 520,616,000 509,398,000 512,216,000 520,610,000 527,848,000 506,864,000 498,434,000 484,184,000 329,952,000 321,005,000 294,328,000 272,673,000 266,440,000 274,483,000 269,458,000 238,295,000 191,765,000 191,619,000 192,418,000                                    
        investments
      1,537,638,000 1,476,696,000 1,479,688,000 1,519,327,000 1,494,348,000 1,511,588,000 1,449,518,000 1,431,766,000 1,495,994,000 1,573,018,000 1,624,921,000 1,657,461,000 1,661,101,000 2,046,878,000 1,999,283,000 1,641,811,000 1,611,114,000 1,330,945,000 1,318,465,000 1,123,482,000 957,356,000 320,989,000 360,050,000 316,163,000 353,465,000 330,570,000 360,614,000 283,062,000 236,389,000 177,577,000 174,802,000 169,322,000 140,288,000 129,163,000 122,605,000 123,543,000 115,048,000 107,808,000 104,454,000 98,152,000 95,777,000 88,777,000 88,862,000 88,694,000 83,899,000 80,941,000 77,088,000 76,918,000 72,882,000 71,080,000 66,068,000 64,788,000 61,861,000 72,509,000 75,131,000 74,134,000 84,322,000 79,290,000 77,698,000 
        other assets
      1,700,785,000 1,688,091,000 1,758,442,000 1,657,189,000 1,356,503,000 1,424,968,000 1,421,894,000 1,501,611,000 1,475,191,000 1,602,403,000 1,633,877,000 1,667,210,000 1,801,027,000 1,596,615,000 1,536,672,000 1,424,935,000 1,191,581,000 1,169,610,000 930,680,000 983,875,000 368,032,000 206,133,000 104,414,000 130,115,000 121,403,000 138,768,000 131,179,000 133,093,000 114,266,000 117,668,000 105,442,000 145,707,000 134,156,000 159,567,000 120,740,000 135,952,000 90,679,000 94,356,000 93,304,000 86,418,000 82,914,000 200,949,000 184,359,000 157,366,000 135,221,000 134,697,000 115,939,000 127,623,000 126,696,000 126,999,000 116,097,000 106,822,000 115,636,000 118,794,000 119,704,000 118,447,000 119,359,000 124,034,000 126,377,000 
        total assets
      37,375,148,000 37,623,629,000 37,600,428,000 38,488,128,000 37,847,865,000 37,699,046,000 36,771,402,000 36,783,293,000 36,659,257,000 36,912,465,000 34,368,614,000 33,244,053,000 32,844,256,000 28,558,718,000 27,018,850,000 25,234,346,000 22,827,878,000 21,910,671,000 20,069,108,000 19,701,935,000 14,105,566,000 9,293,901,000 9,144,830,000 8,971,532,000 8,911,120,000 8,737,344,000 8,524,891,000 8,405,221,000 8,136,036,000 8,020,314,000 7,815,649,000 7,756,039,000 7,529,764,000 7,358,369,000 7,379,289,000 7,090,919,000 7,150,116,000 6,965,017,000 6,841,739,000 6,718,091,000 6,574,129,000 6,455,556,000 6,343,284,000 5,983,343,000 5,905,861,000 5,748,625,000 5,565,159,000 5,468,534,000 5,457,227,000 5,393,337,000 5,286,653,000 5,235,181,000 5,131,096,000 4,933,140,000 4,803,608,000 4,685,045,000 4,642,094,000 4,307,003,000 3,846,886,000 
        liabilities, noncontrolling interests, and equity
                                                                 
        secured notes payable
       153,500,000 150,807,000 145,000,000 134,942,000 130,050,000 119,662,000 109,110,000 91,939,000 73,645,000 40,594,000 24,986,000 208,910,000 198,758,000 227,984,000 229,406,000 230,925,000 342,363,000 344,784,000 347,136,000 632,792,000 789,450,000 722,794,000 816,578,000 818,217,000 773,619,000 771,435,000 760,476,000 652,209,000 636,825,000 615,551,000 597,511,000 708,831,000 708,653,000 711,029,000 730,714,000 716,144,000 719,350,000 719,977,000 721,715,000 724,305,000 760,882,000 774,691,000 787,945,000 790,869,000 841,317,000 859,831,000 884,839,000 937,017,000 837,177,000 941,600,000 1,041,854,000 1,081,963,000 1,078,551,000 1,102,333,000 1,115,852,000 1,212,904,000 1,162,832,000 1,036,269,000 
        unsecured senior notes payable
      12,044,999,000 12,042,607,000 12,640,144,000 12,092,012,000 12,089,561,000 12,087,113,000 11,096,028,000 11,093,725,000 11,091,424,000 11,089,124,000 10,098,588,000 10,096,462,000 10,094,337,000 8,314,851,000 8,313,025,000 8,311,512,000 7,232,370,000 7,230,819,000 6,738,486,000 6,736,999,000 4,290,906,000 2,377,482,000 2,376,713,000 2,031,284,000 2,046,578,000 1,747,613,000 1,747,531,000 1,747,450,000 1,747,370,000 1,747,290,000 1,048,310,000 1,048,270,000 1,048,230,000 1,048,190,000 1,048,395,000 549,816,000 549,805,000 549,794,000 549,783,000 549,536,000                    
        unsecured senior line of credit and commercial paper
      1,548,542,000 1,097,993,000 299,883,000 454,589,000 199,552,000  99,952,000   374,536,000 386,666,000 149,958,000  749,978,000 299,990,000  99,991,000 249,989,000                                          
        accounts payable, accrued expenses, and other liabilities
      2,432,726,000 2,360,840,000 2,281,414,000 2,865,886,000 2,529,535,000 2,503,831,000 2,610,943,000 2,653,126,000 2,494,087,000 2,479,047,000 2,393,764,000 2,317,940,000 2,172,692,000 2,149,450,000 1,825,387,000 1,750,687,000 1,669,832,000 1,609,340,000 1,343,181,000 1,352,554,000                                        
        dividends payable
      230,603,000 229,686,000 228,622,000 227,191,000 227,408,000 222,134,000 221,824,000 214,450,000 214,555,000 209,346,000 193,623,000 192,571,000 187,701,000 173,560,000 170,647,000 160,779,000 150,982,000 143,040,000 133,681,000 129,981,000 101,084,000 66,705,000 67,188,000 64,275,000 62,005,000 61,340,000 61,194,000 58,824,000 58,814,000 57,549,000 57,377,000 55,860,000 54,420,000 54,413,000 52,141,000 43,955,000 41,401,000 39,468,000 38,357,000 36,962,000 36,579,000 35,287,000 34,068,000 31,172,000 31,114,000 25,554,000 23,683,000 21,709,000 21,686,000 21,665,000 20,005,000 37,701,000 32,105,000 31,939,000 32,877,000 27,772,000 27,575,000 26,604,000 25,005,000 
        total liabilities
      16,256,870,000 15,884,626,000 15,600,870,000 15,784,678,000 15,180,998,000 14,943,128,000 14,148,409,000 14,070,411,000 13,892,005,000 14,225,698,000 13,113,235,000 12,781,917,000 12,663,640,000 11,586,597,000 10,837,033,000 10,452,384,000 9,384,100,000 9,575,551,000 9,000,132,000 8,787,670,000 6,692,182,000 5,000,980,000 4,777,353,000 4,784,241,000 4,617,156,000 4,962,166,000 4,685,772,000 4,608,369,000 4,226,478,000 4,063,199,000 3,826,766,000 3,751,534,000 3,550,823,000 3,377,395,000 3,379,814,000 3,595,638,000 3,647,058,000 3,448,397,000 3,385,154,000 3,279,089,000 3,141,236,000 3,024,697,000 2,887,427,000 2,983,651,000 2,919,533,000 2,839,850,000 3,008,129,000 3,069,353,000 3,051,148,000 3,013,481,000 3,158,902,000 3,198,536,000 3,385,879,000 3,117,312,000 2,977,862,000 2,918,474,000 3,062,768,000 2,756,576,000 2,476,267,000 
        commitments and contingencies
                                                                 
        redeemable noncontrolling interests
      58,662,000 9,612,000 9,612,000 16,510,000 16,440,000 16,620,000 16,480,000 51,658,000 52,628,000 44,862,000 9,612,000 9,612,000 9,612,000 11,681,000 11,567,000 11,454,000 11,342,000 11,232,000 12,122,000 12,013,000 10,771,000 9,012,000 9,218,000 14,218,000 14,218,000 14,218,000 14,248,000 14,282,000 14,315,000 14,348,000 14,381,000 14,413,000 14,444,000 14,475,000 14,505,000 14,534,000 14,564,000 15,610,000 15,817,000 15,819,000 16,034,000 15,931,000 15,899,000 15,915,000 15,920,000 15,945,000 17,014,000 17,490,000 41,441,000 41,232,000 41,012,000 32,887,000        
        alexandria real estate equities, inc.’s stockholders’ equity:
                                                                 
        common stock
      1,703,000 1,701,000 1,701,000 1,722,000 1,720,000 1,720,000  1,710,000 1,709,000 1,709,000 1,626,000 1,615,000 1,614,000 1,532,000 1,507,000 1,457,000  1,333,000 1,246,000 1,243,000 1,058,000 768,000 766,000 729,000  718,000 717,000 716,000  714,000 713,000 712,000  711,000 710,000 633,000  632,000 622,000 616,000  614,000 614,000 551,000  549,000 496,000 439,000  437,000 390,000 390,000  318,000 318,000 317,000  312,000 292,000 
        additional paid-in capital
      16,669,802,000 17,200,949,000 17,509,148,000 18,238,438,000 18,284,611,000 18,434,690,000 18,485,352,000 18,651,185,000 18,812,318,000 18,902,821,000 17,639,434,000 17,149,571,000 16,934,094,000 14,727,735,000 14,194,023,000 12,994,748,000 11,730,970,000 10,711,119,000 9,443,274,000 9,336,949,000 6,801,150,000 3,649,263,000 3,693,807,000 3,529,660,000 3,558,008,000 3,356,043,000 3,371,016,000 3,383,456,000 3,461,189,000 3,523,195,000 3,542,334,000 3,560,453,000 3,572,281,000 3,578,343,000 3,596,477,000 3,075,860,000 3,086,052,000 3,094,987,000 3,053,269,000 3,022,242,000 3,028,558,000 3,025,444,000 3,024,603,000 2,568,976,000 2,566,238,000 2,504,365,000 2,158,591,000 1,987,512,000 1,977,062,000 1,961,421,000 1,718,737,000 1,662,694,000 1,377,448,000 1,377,280,000 1,375,633,000 1,374,451,000 1,365,773,000 1,334,417,000 1,146,101,000 
        accumulated other comprehensive loss
      -32,203,000 -27,415,000 -46,202,000 -22,529,000 -27,710,000 -23,815,000 -15,896,000 -24,984,000 -16,589,000 -20,536,000 -24,725,000 -11,851,000 -5,727,000 -6,029,000 -4,508,000 -5,799,000 -6,625,000 -10,638,000 -13,080,000 -15,606,000         -628,000 -28,711,000 -16,245,000 -18,429,000 -36,204,000 -40,026,000 -39,565,000                         
        alexandria real estate equities, inc.’s stockholders’ equity
      16,639,302,000 17,175,235,000 17,464,647,000 18,217,631,000 18,258,621,000 18,412,595,000 18,471,175,000 18,627,911,000 18,797,438,000 18,883,994,000 17,616,335,000 17,139,335,000 16,929,981,000 14,723,238,000 14,191,022,000 12,990,406,000 11,725,712,000 10,701,814,000 9,431,440,000 9,322,586,000 6,872,783,000 3,910,078,000 4,021,709,000 3,865,720,000         3,916,789,000   3,433,603,000 3,441,851,000 3,455,890,000 3,396,521,000 3,379,770,000 3,374,301,000 3,373,494,000 3,398,583,000                 
        noncontrolling interests
      4,420,314,000 4,554,156,000 4,525,299,000 4,469,309,000 4,391,806,000 4,326,703,000 4,135,338,000 4,033,313,000 3,917,186,000 3,757,911,000 3,629,432,000 3,313,189,000 3,241,023,000 2,237,202,000 1,979,228,000 1,780,102,000 1,706,724,000 1,622,074,000 1,625,414,000 1,579,666,000 529,830,000 373,831,000 336,550,000 307,353,000 304,659,000 1,798,000 1,995,000 2,022,000 66,804,000 67,569,000 67,700,000 67,356,000 47,708,000 47,471,000 47,348,000 47,144,000 46,643,000 45,120,000 44,247,000 43,413,000 42,558,000 41,434,000 41,375,000 41,445,000 41,583,000 41,626,000 41,668,000 41,092,000 41,230,000 41,290,000 40,987,000 40,904,000        
        total equity
      21,059,616,000 21,729,391,000 21,989,946,000 22,686,940,000 22,650,427,000 22,739,298,000 22,606,513,000 22,661,224,000 22,714,624,000 22,641,905,000 21,245,767,000 20,452,524,000 20,171,004,000 16,960,440,000 16,170,250,000 14,770,508,000 13,432,436,000 12,323,888,000 11,056,854,000 10,902,252,000 7,402,613,000 4,283,909,000 4,358,259,000 4,173,073,000 4,279,746,000 3,760,960,000 3,824,871,000 3,782,570,000 3,895,243,000 3,942,767,000 3,974,502,000 3,990,092,000 3,964,497,000 3,966,499,000 3,984,970,000 3,480,747,000 3,488,494,000 3,501,010,000 3,440,768,000 3,423,183,000 3,416,859,000 3,414,928,000 3,439,958,000 2,983,777,000 2,970,408,000 2,892,830,000 2,540,016,000 2,381,691,000 2,364,638,000 2,338,624,000 2,086,739,000 2,003,758,000        
        total liabilities, noncontrolling interests, and equity
      37,375,148,000 37,623,629,000 37,600,428,000 38,488,128,000 37,847,865,000 37,699,046,000 36,771,402,000 36,783,293,000 36,659,257,000 36,912,465,000 34,368,614,000 33,244,053,000 32,844,256,000 28,558,718,000 27,018,850,000 25,234,346,000 22,827,878,000 21,910,671,000 20,069,108,000 19,701,935,000 14,105,566,000 9,293,901,000 9,144,830,000 8,971,532,000 8,911,120,000 8,737,344,000 8,524,891,000 8,405,221,000 8,136,036,000 8,020,314,000 7,815,649,000 7,756,039,000 7,529,764,000 7,358,369,000 7,379,289,000 7,090,919,000 7,150,116,000 6,965,017,000 6,841,739,000 6,718,091,000 6,574,129,000 6,455,556,000 6,343,284,000 5,983,343,000 5,905,861,000               
        common stock, 0.01 par value per share...
            1,719,000          1,367,000        725,000    715,000    712,000    632,000    616,000    550,000    438,000    319,000    316,000   
        unsecured senior lines of credit
                        440,000,000                                         
        unsecured senior line of credit
                         221,000,000 413,000,000 416,000,000 72,000,000 299,000,000 151,000,000 843,000,000 624,000,000 421,000,000 304,000,000 142,000,000 571,000,000 506,000,000 204,000,000 14,000,000  554,000,000 566,000,000 413,000,000 379,000,000 167,000,000                    
        unsecured senior bank term loans
                          347,306,000 746,162,000 945,030,000 944,637,000 950,000,000 950,000,000 950,000,000 975,000,000 975,000,000 975,000,000 1,100,000,000 1,100,000,000 1,100,000,000 1,100,000,000 1,200,000,000 1,350,000,000 1,350,000,000 1,350,000,000 1,350,000,000 1,350,000,000                    
        accounts payable, accrued expenses, and tenant security deposits
                          907,094,000 605,181,000 593,628,000 628,467,000 589,356,000 586,594,000 531,612,000 645,619,000 489,085,000 504,535,000 434,528,000 443,893,000 435,342,000 452,139,000 368,249,000 367,153,000 423,708,000 376,785,000 348,037,000 323,002,000 325,393,000 330,044,000 300,030,000 283,013,000 304,257,000 294,833,000 300,035,000 284,830,000            
        7.00% series d cumulative convertible preferred stock
                          74,386,000 161,792,000                                      
        accumulated other comprehensive income
                          -3,811,000 -31,745,000 8,272,000 -8,533,000 49,191,000 35,238,000 83,980,000 29,213,000                             8,093,000 26,341,000 36,159,000 
        6.45% series e cumulative redeemable preferred stock
                           130,000,000                                      
        series d cumulative convertible preferred stock
                            188,864,000 213,864,000  237,163,000 237,163,000 237,163,000  250,000,000 250,000,000 250,000,000  250,000,000 250,000,000                         
        series e cumulative redeemable preferred stock
                            130,000,000 130,000,000  130,000,000 130,000,000 130,000,000  130,000,000 130,000,000 130,000,000  130,000,000 130,000,000                         
        investment in unconsolidated real estate joint ventures
                              127,212,000                                   
        deferred leasing and financing costs
                              234,093,000 222,343,000 210,709,000 199,576,000 201,798,000 199,835,000 193,621,000 192,618,000 192,658,000 179,805,000 164,362,000 159,872,000 160,048,000 152,021,000 151,355,000 143,754,000 135,550,000                   
        alexandria’s stockholders’ equity:
                                                                 
        7.00% series d cumulative convertible preferred stock, 0.01 par value per share...
                              237,163,000    237,163,000    250,000,000    250,000,000    250,000,000    250,000,000    250,000,000    250,000,000       
        6.45% series e cumulative redeemable preferred stock, 0.01 par value per share...
                              130,000,000    130,000,000    130,000,000    130,000,000                       
        alexandria’s stockholders’ equity
                              3,975,087,000 3,759,162,000 3,822,876,000 3,780,548,000 3,828,439,000 3,875,198,000 3,906,802,000 3,922,736,000  3,919,028,000 3,937,622,000                         
        series d convertible preferred stock
                                         250,000,000  250,000,000 250,000,000 250,000,000  250,000,000 250,000,000 250,000,000  250,000,000 250,000,000 250,000,000  250,000,000 250,000,000 250,000,000  250,000,000 250,000,000 220,000,000    
        series e preferred stock
                                         130,000,000  130,000,000 130,000,000 130,000,000                    
        8.375% series c cumulative redeemable preferred stock, 0.01 par value per share...
                                              129,638,000    129,638,000    129,638,000    129,638,000    129,638,000   
        series c preferred stock
                                               129,638,000 129,638,000 129,638,000  129,638,000 129,638,000 129,638,000  129,638,000 129,638,000 129,638,000  129,638,000 129,638,000 129,638,000  129,638,000 129,638,000 
        less: accumulated depreciation
                                                                 
        unsecured senior convertible notes
                                             1,236,000                    
        preferred stock redemption liability
                                             129,638,000                    
        deferred rent receivable
                                              142,097,000                   
        unsecured line of credit
                                              370,000,000 814,000,000                  
        unsecured bank term loans
                                              1,600,000,000                   
        unsecured convertible notes
                                              84,959,000 84,484,000 203,638,000 202,521,000 295,293,000 374,146,000 378,580,000 586,975,000 583,929,000 580,919,000 577,984,000 432,266,000 460,000,000 460,000,000 460,000,000 460,000,000 460,000,000 460,000,000 460,000,000 
        retained earnings
                                                 360,000 734,000               
        unsecured term loans
                                               1,000,000,000                  
        unsecured line of credit and unsecured term loans
                                                1,575,000,000 1,679,000,000                
        total alexandria real estate equities, inc.’s stockholders’ equity
                                                 2,942,332,000                
        investments in real estate:
                                                                 
        rental properties
                                                  4,546,769,000 4,162,394,000 3,979,016,000 3,937,876,000 3,383,308,000 3,366,960,000 3,483,679,000 3,339,992,000 3,325,047,000 3,199,755,000 3,119,482,000 3,079,288,000 3,146,915,000 3,255,989,000 2,802,568,000 
        land held for future development
                                                  431,838,000 306,577,000 309,514,000 294,631,000 255,025,000 254,549,000          
        construction in progress
                                                  1,045,536,000 1,356,905,000 1,394,778,000 1,326,865,000 1,400,795,000 1,349,656,000          
        investment in unconsolidated real estate entity
                                                  36,678,000 35,940,000 35,184,000 34,421,000            
        unsecured line of credit and unsecured term loan
                                                  1,498,000,000 1,304,000,000 1,446,000,000 1,291,000,000 1,226,000,000 1,248,000,000 1,307,000,000 1,355,000,000 1,425,000,000 1,266,000,000 1,131,000,000 1,050,000,000 1,115,000,000 880,000,000 778,000,000 
        alexandria real estate equities, inc. stockholders’ equity:
                                                                 
        total alexandria real estate equities, inc. stockholders’ equity
                                                  2,928,825,000 2,851,204,000 2,498,348,000 2,340,599,000 2,323,408,000 2,297,334,000 2,045,752,000 1,962,854,000        
        liabilities and equity
                                                                 
        total
                                                   5,748,625,000 5,565,159,000 5,468,534,000 5,457,227,000 5,393,337,000 5,286,653,000         
        tenant security deposits and other restricted cash
                                                      47,291,000 60,002,000 51,683,000 54,770,000 67,782,000 68,040,000 71,927,000 65,612,000 51,911,000 56,399,000 48,332,000 
        accounts payable, accrued expenses and tenant security deposits
                                                      282,516,000 325,720,000 312,313,000 331,715,000 386,811,000 280,822,000 251,652,000 264,850,000 247,289,000 227,140,000 176,993,000 
        properties undergoing development and redevelopment, and land held for development
                                                        1,406,451,000 1,451,566,000 1,397,423,000       
        total liabilities and equity
                                                         5,235,181,000        
        liabilities and stockholders’ equity
                                                                 
        minority interest
                                                          75,021,000 75,120,000 74,788,000 74,857,000 75,506,000 59,719,000 58,429,000 
        stockholders’ equity:
                                                                 
        total stockholders’ equity
                                                          1,670,196,000 1,740,708,000 1,750,958,000 1,691,714,000 1,503,820,000 1,490,708,000 1,312,190,000 
        total liabilities and stockholders’ equity
                                                          5,131,096,000 4,933,140,000 4,803,608,000 4,685,045,000 4,642,094,000 4,307,003,000 3,846,886,000 
        properties undergoing development and redevelopment and land held for development
                                                           1,364,705,000 1,316,622,000 1,246,905,000 1,143,302,000   
        9.10% series b cumulative redeemable preferred stock, 0.01 par value per share...
                                                                 
        properties undergoing development and land held for development
                                                               696,282,000 705,041,000 
        series b preferred stock
                                                                 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2025-09-30 2025-06-30 2025-03-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-09-30 2022-06-30 2022-03-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 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 2013-12-31 2013-09-30 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 
                                                                 
          operating activities:
                                                                 
          net income
        -197,845,000 -62,189,000 38,662,000 213,603,000 94,049,000 219,176,000 -42,658,000 68,254,000 133,705,000 121,693,000 383,443,000 309,382,000 -117,392,000 124,433,000 404,520,000 25,533,000 457,133,000 95,799,000 243,561,000 30,678,000 28,559,000 -108,116,000 9,966,000 42,977,000 39,699,000 38,430,000 25,008,000 -6,030,000 35,943,000 36,116,000 40,749,000 44,222,000 32,453,000 33,337,000 30,237,000 28,807,000 18,305,000 25,641,000 32,775,000 35,462,000 32,995,000 34,311,000 32,625,000 92,000,000 30,461,000 -12,224,000 28,785,000 29,905,000 26,378,000 44,116,000 41,249,000 28,160,000 28,600,000 28,421,000 37,688,000 24,992,000 22,900,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                                 
          depreciation and amortization
        340,230,000 346,123,000 342,062,000 293,998,000 290,720,000 287,554,000 285,246,000 269,370,000 273,555,000 265,302,000 254,929,000 242,078,000 240,659,000 210,842,000 190,052,000 180,913,000 177,750,000 176,831,000 168,027,000 175,496,000 77,133,000 70,169,000 70,866,000 72,245,000 67,953,000 62,171,000 58,920,000 57,973,000 58,388,000 57,314,000 50,421,000 48,101,000 49,102,000 46,580,000 46,995,000 48,072,000 48,173,000 52,355,000 43,405,000 40,966,000 39,990,000 40,363,000 36,707,000 34,551,000 32,009,000 30,342,000 29,738,000 29,004,000 28,336,000 29,722,000 31,446,000 28,483,000 27,447,000 27,003,000 25,810,000 26,969,000 24,194,000 
          impairment of real estate
        323,870,000 129,606,000 32,154,000 5,741,000   271,890,000 20,649,000      42,620,000 4,926,000 5,129,000 25,177,000 7,680,000 13,218,000 2,003,000 8,114,000 156,143,000 28,980,000 8,740,000 14,510,000                               
          gain on sales of real estate
        -9,366,000 -13,165,000 -27,114,000 -392,000 -62,227,000   -323,699,000   435,000 -2,779,000                                          
          loss on early extinguishment of debt
                    67,253,000 7,898,000            1,432,000   1,602,000 623,000  2,742,000 1,248,000 2,495,000               
          equity in losses (earnings) of unconsolidated real estate joint ventures
          507,000                 3,116,000 -273,000 146,000 397,000                                   
          distributions of earnings from unconsolidated real estate joint ventures
        460,000 1,117,000 172,000 985,000 768,000 884,000 667,000 941,000 1,364,000 285,000 465,000 1,314,000 975,000 4,994,000 5,627,000 4,958,000 2,188,000 282,000 2,948,000 490,000 105,000 83,000 98,000                                   
          amortization of loan fees
        4,505,000 4,615,000 4,691,000 4,222,000 4,146,000 4,142,000 4,059,000 4,059,000 3,729,000 3,639,000 3,235,000 3,236,000 3,103,000 2,854,000 2,859,000 2,817,000 2,905,000 2,605,000 2,737,000 2,247,000 3,080,000 2,952,000 2,760,000  2,625,000 2,889,000 2,834,000                               
          amortization of debt discounts
        325,000 335,000 349,000 330,000 328,000 318,000 309,000 306,000 304,000 288,000                                                
          amortization of acquired above- and below-market leases
        -6,456,000 -10,196,000 -15,222,000 -17,312,000 -22,515,000 -30,340,000 -23,684,000 -23,222,000 -24,789,000 -21,636,000 -23,546,000 -16,760,000 -13,915,000 -13,664,000 -13,267,000 -12,112,000                                          
          deferred rent
        -18,821,000 -18,536,000 -22,023,000 -29,087,000 -48,338,000 -48,251,000 -41,586,000 -29,805,000 -29,335,000 -33,191,000 -24,431,000 -27,362,000 -42,025,000 -33,918,000 -27,903,000 -27,382,000 -23,890,000 -28,822,000 -23,367,000 -20,597,000 -16,111,000 -2,430,000 -12,138,000 -13,062,000 -11,228,000 -13,292,000 -9,901,000 -9,215,000 -10,892,000 -12,737,000 -11,882,000 -7,928,000 -5,570,000                         
          stock compensation expense
        10,293,000 12,530,000 10,064,000 15,525,000 14,507,000 17,125,000 34,592,000 16,288,000 15,492,000 16,486,000 17,786,000 14,340,000 14,028,000 9,728,000 12,242,000 12,446,000 11,394,000 12,994,000 9,185,000 9,929,000 7,451,000 6,117,000 5,439,000 4,590,000 5,178,000 4,054,000 3,690,000 4,624,000 3,068,000 3,076,000 3,228,000 4,011,000 3,729,000 4,463,000 3,349,000 3,748,000 3,845,000 3,274,000 3,293,000 3,306,000 3,344,000 2,749,000 2,356,000 2,767,000 2,660,000 2,658,000 2,731,000 3,194,000 4,141,000 3,694,000 3,022,000 3,563,000 3,523,000 3,055,000 3,536,000 2,988,000 2,774,000 
          investment loss
        -28,161,000 30,622,000 49,992,000    -8,654,000 80,672,000 78,268,000 45,111,000 32,305,000 39,481,000 240,319,000       21,821,000                                      
          changes in operating assets and liabilities:
                                                                 
          tenant receivables
        -156,000 635,000 -467,000 -157,000 642,000 731,000 -1,301,000 47,000 1,734,000 -582,000 -728,000 497,000 -191,000 -1,042,000 848,000 -221,000 318,000 -414,000 7,774,000 -4,874,000 -434,000 756,000 521,000 -373,000 -863,000 1,345,000 -102,000 266,000 -204,000 -45,000 -690,000 -1,248,000 -1,118,000             -93,000 1,187,000 -113,000 876,000 1,327,000 461,000       
          deferred leasing costs
        -20,532,000 -17,082,000 -26,645,000 -20,048,000 -30,590,000 -23,970,000 -27,766,000 -25,206,000 -22,898,000 -33,469,000 -33,633,000 -40,439,000 -75,162,000 -20,260,000 -31,355,000 -23,359,000 -25,787,000 -12,659,000 -13,536,000 -9,085,000 -7,763,000 -6,775,000 -7,083,000 -17,690,000 -23,222,000 -17,372,000 -7,131,000 -12,372,000 -8,458,000 -9,880,000 -7,572,000 -17,635,000 -14,081,000                         
          other assets
        -26,897,000 26,284,000 -37,034,000 -33,288,000 37,682,000 -40,728,000 21,705,000 -25,642,000 30,157,000 -25,422,000 -10,826,000 15,725,000 -22,618,000 -18,562,000 17,026,000 -25,775,000 -4,903,000 -4,907,000 9,706,000 -10,893,000 -8,882,000 -3,406,000 -2,525,000 4,642,000 -8,800,000 -1,674,000 -3,247,000 4,762,000 -6,312,000 11,399,000 -17,315,000 5,130,000 -16,471,000                         
          accounts payable, accrued expenses, and other liabilities
        62,123,000 7,356,000 -156,148,000 85,375,000 -3,895,000 -1,653,000 18,388,000 61,421,000 63,603,000 -32,740,000 48,726,000 8,390,000 -36,051,000 71,036,000 -18,477,000 9,759,000 -30,998,000 36,726,000 -14,638,000 7,788,000                                      
          net cash from operating activities
        433,478,000 460,241,000 207,949,000 477,392,000 411,797,000 341,157,000 428,617,000 417,890,000 478,473,000 305,570,000 363,038,000 339,034,000 191,086,000 308,823,000 239,761,000 212,053,000 173,569,000 315,284,000 202,390,000 191,267,000 119,743,000 70,326,000 101,782,000 96,200,000 95,011,000 44,559,000 106,841,000 79,201,000 110,633,000 71,232,000 73,259,000 76,351,000 93,302,000 95,833,000 47,241,000 78,043,000 84,870,000 92,935,000 49,685,000 61,119,000 73,901,000 66,151,000 45,789,000 57,391,000 40,687,000 70,134,000 51,134,000 22,286,000 52,520,000 63,023,000 68,121,000 64,294,000 86,989,000 56,208,000 25,218,000 46,835,000 57,154,000 
          capital expenditures
          free cash flows
        433,478,000 460,241,000 207,949,000 477,392,000 411,797,000 341,157,000 428,617,000 417,890,000 478,473,000 305,570,000 363,038,000 339,034,000 191,086,000 308,823,000 239,761,000 212,053,000 173,569,000 315,284,000 202,390,000 191,267,000 119,743,000 70,326,000 101,782,000 96,200,000 95,011,000 44,559,000 106,841,000 79,201,000 110,633,000 71,232,000 73,259,000 76,351,000 93,302,000 95,833,000 47,241,000 78,043,000 84,870,000 92,935,000 49,685,000 61,119,000 73,901,000 66,151,000 45,789,000 57,391,000 40,687,000 70,134,000 51,134,000 22,286,000 52,520,000 63,023,000 68,121,000 64,294,000 86,989,000 56,208,000 25,218,000 46,835,000 57,154,000 
          investing activities:
                                                                 
          proceeds from sales of real estate
        78,078,000 80,845,000 68,182,000 213,120,000 16,670,000 434,422,000 168,691,000   618,952,000          10,427,000   37,344,000 24,839,000 67,616,000                               
          additions to real estate
        -457,607,000 -435,165,000 -645,841,000 -691,137,000 -547,946,000 -693,268,000 -817,297,000 -788,758,000 -938,875,000 -873,366,000 -946,428,000 -711,225,000 -666,364,000 -540,227,000 -536,572,000 -465,411,000 -373,069,000 -346,360,000 -352,243,000 -373,499,000 -275,507,000 -203,560,000 -159,501,000 -201,991,000 -135,913,000 -121,670,000 -104,632,000                               
          purchases of real estate
           -7,047,000 -194,002,000 -8,417,000 -24,016,000 -55,774,000 -177,543,000 -317,073,000 -278,899,000 -1,903,800,000 -811,235,000 -1,076,426,000 -1,871,043,000 -581,045,000 -1,289,747,000 -217,492,000 -482,409,000                                      
          change in escrow deposits
        744,000 1,398,000 -9,506,000 -3,039,000 -1,465,000 -1,008,000 400,000 -19,645,000 4,297,000 9,366,000 8,200,000 37,805,000 100,635,000 -15,440,000 -33,671,000 -98,303,000 14,449,000 -25,760,000                                        
          investments in unconsolidated real estate joint ventures
        -184,000 -61,000 -10,994,000 -326,000 -489,000 -3,224,000 -159,000 -167,000 -226,000 -106,000 -909,000 -1,000 -335,000 -19,000   -153,000 -430,000 -269,000 -2,592,000 -978,000 -5,497,000 -449,000                                   
          return of capital from unconsolidated real estate joint ventures
                  471,000    1,000 20,224,000                                      
          additions to non-real estate investments
        -64,307,000 -51,334,000 -69,311,000 -62,852,000 -62,136,000 -60,572,000 -33,109,000 -52,524,000 -56,438,000 -47,401,000 -46,599,000 -75,846,000 -64,247,000 -85,569,000 -156,169,000 -77,339,000 -58,289,000 -40,398,000 -44,908,000 -31,060,000                                      
          sales of and distributions from non-real estate investments
        34,933,000 29,443,000 12,691,000 55,754,000 45,458,000 40,550,000 34,097,000 39,964,000 59,950,000 49,385,000 59,438,000 45,386,000 44,842,000                                             
          net cash from investing activities
        -407,885,000 -374,874,000 -654,779,000 -488,480,000 -573,625,000 -894,854,000 -390,063,000 -676,455,000 -394,436,000 -1,039,665,000 -624,419,000 -607,401,000 -2,488,798,000 -1,296,936,000 -1,698,577,000 -2,437,880,000 -413,145,000 -1,467,956,000 -563,468,000 -833,592,000 -341,337,000 -202,842,000 -171,122,000 -164,905,000 -241,450,000 -145,988,000 -170,052,000 -160,490,000 -201,162,000 -110,458,000 -162,719,000 -200,258,000 -174,645,000 -146,948,000 -69,524,000                       
          alexandria real estate equities, inc.consolidated statements of cash flows
                                                                 
          financing activities:
                                                                 
          borrowings under secured note payable
        2,000                                                         
          repayments of borrowings from secured notes payable
                  -28,000 -906,000 -858,000 -827,000 -15,423,000 -79,363,000 -1,653,000 -1,609,000 -1,479,000 -928,000 -174,511,000 -58,657,000 -77,598,000 -2,142,000 -2,141,000 -7,934,000 -2,142,000 -9,482,000 -8,583,000 -210,844,000 -2,099,000 -2,684,000                         
          proceeds from issuance of unsecured senior notes payable
        548,532,000 998,806,000  996,205,000 1,793,318,000 1,743,716,000 998,119,000 1,000 699,531,000          3,251,000   1,000 544,649,000                   
          repayment of unsecured senior notes payable
                                                                
          proceeds from issuances under commercial paper program
        6,910,000,000 5,768,015,000 2,700,000,000 2,928,650,000 1,836,950,000 3,170,000,000  930,000,000 775,000,000 4,251,500,000 1,290,000,000 6,120,000,000 9,560,000,000 5,480,000,000 6,810,000,000                                          
          repayments of borrowings under commercial paper program
        -6,460,000,000 -4,968,015,000 -2,400,000,000 -2,673,650,000 -1,636,950,000 -3,270,000,000 -7,429,000,000 -1,305,000,000 -400,000,000 -4,014,685,000 -1,140,000,000 -6,390,000,000 -9,110,000,000 -5,180,000,000 -6,910,000,000                                          
          payments of loan fees
        99,000 -5,406,000 -26,248,000 -10,118,000 -5,934,000 -124,000 -9,989,000 -18,002,000 -17,596,000 -271,000 -16,599,000 -15,319,000 -9,033,000 -3,000 -7,954,000                                      
          taxes paid related to net settlement of equity awards
        -10,936,000 -713,000 -5,558,000 -18,653,000 -3,053,000 -23,964,000 -4,389,000 -7,682,000 -4,667,000 -7,854,000 -17,841,000 -6,358,000 -8,906,000 -15,321,000 -6,496,000 -1,678,000 -5,091,000 -9,341,000 -5,637,000 -1,253,000                                      
          repurchase of common stock
        -208,187,000                                                       
          dividends on common stock
        -227,202,000 -227,230,000 -229,987,000 -227,408,000 -222,134,000 -221,824,000 -214,451,000 -214,555,000 -209,346,000 -209,131,000 -192,571,000 -187,700,000 -183,847,000 -170,648,000 -160,778,000 -150,982,000 -143,040,000 -133,681,000 -129,981,000 -126,278,000 -62,377,000 -59,099,000 -56,490,000 -55,824,000 -55,677,000 -53,308,000 -53,295,000                               
          contributions from and sales of noncontrolling interests
        36,107,000 41,646,000 54,409,000 91,608,000 76,791,000 82,853,000 111,184,000 136,676,000 220,194,000 79,337,000 434,320,000 209,524,000 819,610,000 271,541,000 309,318,000 48,279,000 303,406,000 8,432,000 53,019,000 2,756,000                                      
          distributions to and purchases of noncontrolling interests
        -63,107,000 -57,584,000 -83,852,000 -59,201,000 -60,331,000 -111,540,000 -51,375,000 -59,099,000 -71,431,000 -63,186,000 -47,461,000 -61,723,000 -30,501,000  -27,933,000 -25,879,000        -1,093,000 -1,083,000                                 
          net cash from financing activities
        30,751,000 -40,676,000 370,775,000 24,945,000 -3,969,000 624,429,000 55,194,000 -133,596,000 -422,252,000 1,174,810,000 610,125,000 -83,670,000 2,752,570,000 998,681,000 1,281,828,000 2,162,254,000 351,575,000 1,395,812,000 113,294,000 889,675,000 124,161,000 242,779,000 90,780,000 117,488,000 154,519,000 79,448,000 67,671,000 101,332,000 98,126,000 25,380,000 106,474,000 130,713,000 -169,735,000   118,656,000 47,636,000 77,217,000 71,351,000 81,827,000 61,978,000 305,650,000 29,701,000 17,126,000 136,433,000 54,327,000 30,026,000 54,041,000 49,173,000 -9,208,000 109,434,000 128,592,000 77,541,000 69,525,000 22,312,000 243,859,000 390,739,000 
          effect of foreign exchange rate changes on cash and cash equivalents
        -113,000 -497,000 -38,000 -73,000 -45,000 192,000  -418,000 121,000 -306,000 -238,000 -467,000 81,000 -87,000 158,000 271,000  363,000 953,000 -1,668,000 -639,000 -460,000 -341,000 -68,000 -314,000 -43,000 170,000 -1,055,000 -2,275,000 577,000 260,000 -2,949,000 2,712,000                         
          net increase in cash, cash equivalents, and restricted cash
          -76,093,000  -165,842,000 70,924,000 93,060,000 -392,579,000 -338,094,000 440,409,000 348,506,000 -352,504,000 454,939,000   -63,302,000 112,662,000   245,682,000                                      
          cash, cash equivalents, and restricted cash as of the beginning of period
        559,847,000 660,771,000 857,975,000 415,227,000 597,705,000 242,689,000                                      
          cash, cash equivalents, and restricted cash as of the end of period
        56,231,000 44,194,000 483,754,000 13,784,000 -165,842,000 731,695,000 93,060,000 -392,579,000 -338,094,000 1,298,384,000 348,506,000 -352,504,000 870,166,000 10,481,000 -176,830,000 534,403,000 112,662,000 243,503,000 -246,831,000 488,371,000                                      
          supplemental disclosure and non-cash investing and financing activities:
                                                                 
          cash paid during the period for interest, net of interest capitalized
        40,822,000 54,210,000 33,776,000 30,782,000 21,977,000 34,901,000 30,024,000 12,529,000 -17,489,000 21,519,000 41,937,000 3,365,000 22,550,000 36,694,000 18,645,000 55,052,000 14,980,000 55,654,000 25,217,000 65,500,000 21,164,000 23,588,000 14,068,000 29,659,000 19,865,000 28,818,000 15,514,000 24,183,000 1,861,000 25,829,000 6,093,000 25,576,000 5,022,000 19,295,000 9,964,000 21,609,000 7,798,000                     
          accrued construction for current-period additions to real estate
        27,586,000 58,991,000 147,045,000 16,149,000 84,882,000 318,041,000 -12,354,000 145,898,000 76,778,000 419,029,000 36,019,000 217,196,000 300,713,000 74,208,000 109,546,000 193,439,000 69,683,000 57,340,000 14,017,000 134,414,000                                      
          transfer of real estate assets and/or equipment from tenants
        131,203,000 39,950,000 61,843,000                                                      
          notes receivable issued in connection with sales of real estate
        91,000,000                                                       
          derecognition of net investment in real estate from sales-type lease
        4,677,000                                                       
          contribution of assets from and issuance of noncontrolling interest to real estate joint venture partner
           3,394,000 103,547,000                                                    
          reallocation of additional paid-in capital to consolidated joint venture partner’s noncontrolling interest
                                                                 
          initial recognition of right-of-use asset and lease liability
                                                                 
          exchange of joint venture interests:
                                                                 
          disposition of our interest in pacific technology park
                                                                 
          acquisition of our partner’s noncontrolling interest in 199 east blaine street
                                                                 
          equity in losses of unconsolidated real estate joint ventures
                                                                 
          net decrease in cash, cash equivalents, and restricted cash
                                                                 
          reallocation of additional paid-in capital to consolidated joint venture partner’s non-controlling interest
                                                                 
          borrowings under secured notes payable
          824,000 9,879,000 4,758,000 10,216,000                                                    
          reallocation of additional paid-in-capital to consolidated joint venture partner’s non-controlling interest
           30,185,000                                                    
          equity in earnings of unconsolidated real estate joint ventures
           -139,000 -130,000 -155,000 -363,000 -242,000 -181,000 -194,000 -40,000 -213,000 -220,000 -3,091,000   -3,593,000 -3,778,000                                        
          investment (income) loss
             -43,284,000          -1,014,000                                          
          borrowings under unsecured senior line of credit
                                                                 
          repayments of borrowings under unsecured senior line of credit
                                                                 
          transfer of equipment and/or real estate assets from tenants
             11,965,000                                                    
          operating activities
                                                                 
          investing activities
                                                                 
          sales of interest in unconsolidated real estate joint ventures
                                                                 
          acquisitions of interest in unconsolidated real estate joint venture
                                                                 
          the accompanying notes are an integral part of these consolidated financial statements.
                                                                 
          financing activities
                                                                 
          repayments of borrowings under secured notes payable
                                                                 
          payment for the defeasance of secured note payable
                                                                
          proceeds from issuances of unsecured senior notes payable
                                                                 
          repayments of unsecured senior notes payable
                     -650,000,000                                         
          proceeds from issuance under commercial paper program
                                                                 
          premium paid for early extinguishment of debt
                     -66,829,000 -5,732,000                                         
          proceeds from issuance of common stock
                  199,430,000 646,316,000 492,081,000 868,815,000 1,397,649,000 502,289,000 1,309,235,000 504,338,000                -553,000 61,058,000        233,533,000 254,630,000     28,211,000  
          effect of foreign exchange rate changes on cash, cash equivalents, and restricted cash
                                                                 
          contribution of assets from real estate joint venture partner
              33,250,000    85,750,000 33,000,000 350,000,000                                      
          issuance of noncontrolling interest to joint venture partner
              -33,250,000    -85,750,000 -33,000,000 -292,930,000                                      
          transfer of real estate assets from tenants
                                                                 
          payable for purchase of noncontrolling interest
                               795,000 785,000 61,295,000 -113,967,000                               
          right-of-use asset
                  3,798,000 7,851,000 10,127,000   20,271,000 34,583,000 32,700,000                                      
          lease liability
                  -3,798,000 -7,851,000 -10,127,000   -20,271,000 -34,583,000 -32,700,000                                      
          consolidation of real estate assets in connection with our acquisition of partner’s interest in unconsolidated real estate joint venture
                     19,613,000                                          
          assumption of secured note payable in connection with acquisition of partner’s interest in unconsolidated real estate joint venture
                     -14,558,000                                          
          deferred purchase price in connection with acquisitions of real estate
                                                                 
          assignment of secured notes payable in connection with sale of real estate
                                                                 
          borrowings from secured notes payable
               17,028,000 18,122,000 14,428,000 15,463,000 10,891,000 5,082,000        66,608,000 83,800,000 64,922,000 122,379,000 4,508,000 13,282,000 29,585,000 17,589,000 30,864,000 26,732,000 51,030,000 2,170,000 205,000 8,899,000 17,215,000 14,936,000                      
          borrowings from unsecured senior line of credit
               375,000,000 1,180,000,000 2,101,000,000   783,000,000 863,000,000 931,000,000 555,000,000 713,000,000 517,000,000                                 
          repayments of borrowings from unsecured senior line of credit
               -375,000,000 -1,180,000,000 -2,101,000,000   -946,000,000 -519,000,000 -1,158,000,000 -407,000,000 -1,405,000,000 -298,000,000 -545,000,000 -50,000,000 -116,000,000 -682,000,000 -212,000,000 -58,000,000 -220,000,000                         
          acquisition of interest in unconsolidated real estate joint venture
                     -9,048,000                                          
          assignment of secured notes payable in connection with the sale of real estate
                                                                 
          amortization of debt premiums
                   267,000 -424,000 -498,000 -465,000 -576,000 -869,000 -910,000 -888,000 -888,000 -5,000 -26,000 -86,000                                   
          investment income
                     -67,084,000   -255,137,000 -3,348,000                                        
          proceeds from sale of real estate
                     39,550,000 25,695,000                                          
          distributions to and redemption of noncontrolling interests
                         -27,613,000 -21,496,000 -16,986,000                                      
          supplemental disclosures and non-cash investing and financing activities:
                                                                 
          assignment of secured note payable in connection with the disposition of real estate
                                                                 
          sales of non-real estate investments
                      104,981,000 57,569,000 37,479,000 35,202,000 37,558,000 30,910,000                                      
          equity in (earnings) losses of unconsolidated real estate joint ventures
                       -3,537,000                                          
          acquisitions of interest in unconsolidated real estate joint ventures
                                                                 
          repayments of borrowings from commercial paper program
                                                                 
          repayments of borrowings from unsecured senior bank term loan
                                                                 
          repurchase of 7.00% series d cumulative convertible preferred stock
                                                                 
          dividends on preferred stock
                            -5,401,000 -5,839,000 -6,247,000 -6,246,000 -6,247,000 -6,246,000 -6,247,000                               
          assumption of secured notes payable in connection with purchase of properties
                                   -48,329,000                           
          payable for purchase of real estate
                                                                 
          issuance of common stock for conversion of 7.00% series d preferred stock
                                                                 
          gain on sale of real estate
                                                               
          amortization of acquired below-market leases
                         -13,979,000 -13,787,000 -15,964,000 -965,000 -966,000 -974,000 -997,000 -3,182,000                                 
          borrowings from unsecured senior lines of credit
                                                                 
          repayments of borrowings from unsecured senior lines of credit
                                                                 
          proceeds from issuance of commercial paper notes
                                                                 
          deposits for investing activities
                           4,834,000 -54,923,000   1,206,000 8,794,000 12,499,000 -28,000,000                               
          proceeds from issuance of commercial paper
                           2,158,900,000                                      
          repayments of borrowings from commercial paper
                           -2,158,900,000                                      
          gain on sales of real estate – rental properties
                                                                 
          gain on sales of real estate – land parcels
                                                                 
          accounts payable, accrued expenses, and tenant security deposits
                            31,370,000 -34,206,000 8,999,000 12,377,000 33,033,000 -28,731,000 27,121,000 -9,794,000 36,361,000 -16,631,000 16,716,000 5,521,000 43,222,000   24,319,000 17,060,000   15,818,000 25,665,000   5,808,000 -3,303,000 5,067,000 3,289,000           
          acquisitions of interests in unconsolidated real estate joint ventures
                                                                 
          additions to investments
                            -16,018,000 -30,281,000 -22,085,000 -27,980,000 -15,227,000 -37,620,000 -15,118,000 -24,746,000 -10,126,000 -13,453,000 -11,905,000 -13,243,000 -8,002,000                         
          sales of investments
                            13,752,000 10,630,000 10,913,000 27,546,000 17,116,000 20,129,000 2,345,000                               
          repayments of borrowings from unsecured senior bank term loans
                                                                
          payment of loan fees
                            -8,572,000 -7,550,000 -377,000 -6,402,000 -623,000 -2,996,000 -563,000                               
          redemption of 6.45% series e cumulative redeemable preferred stock
                                                                 
          proceeds from the issuance of common stock
                            342,524,000 25,278,000 73,411,000                                 
          contributions from noncontrolling interests
                                                                 
          supplemental disclosure of cash flow information:
                                                                 
          non-cash investing activities:
                                                                 
          change in accrued construction
                            -36,848,000 30,674,000 29,197,000 -2,765,000 20,164,000 -34,718,000 7,249,000                               
          contribution of real estate to an unconsolidated real estate joint venture
                                                                 
          investment gains
                            -8,115,000 -14,715,000 -5,891,000 -12,667,000 -8,658,000 -7,773,000 -5,937,000 -2,132,000 -3,256,000 -2,185,000 -4,040,000                           
          investment losses
                            3,849,000 5,039,000 1,782,000 4,936,000 3,280,000 5,652,000 2,225,000 562,000 3,485,000 3,546,000 1,694,000                           
          restricted cash
                            -510,000 -439,000 671,000 36,000 -86,000 161,000 -51,000     -344,000 851,000 -1,114,000 1,506,000    862,000  379,000 73,000 37,000 -579,000 303,000 -224,000 2,179,000           
          purchase of real estate
                               -111,440,000 -43,555,000 -93,938,000                               
          repayment of notes receivable
                            18,000   18,000 17,000 33,000 4,214,000                               
          change in restricted cash related to financing activities
                            -2,840,000 2,266,000 8,316,000 8,579,000 -3,217,000 -151,000 -1,369,000                               
          repurchase of 7.00% series d preferred stock
                                                                 
          financing costs paid for sale of noncontrolling interests
                                                                 
          contributions from and sale of noncontrolling interests
                            37,601,000                                     
          distributions to and purchase of noncontrolling interests
                            -4,607,000                                     
          net increase in cash and cash equivalents
                            -98,072,000 109,803,000 21,099,000 48,715,000 7,766,000 -22,024,000 4,630,000 18,988,000 5,322,000 -13,269,000 17,274,000 3,857,000 -248,366,000   46,067,000 13,967,000       -19,579,000 37,557,000 2,274,000 352,000    54,120,000 55,770,000    -2,750,000 3,763,000 
          cash and cash equivalents as of the beginning of period
                            125,098,000  86,011,000                               
          cash and cash equivalents as of the end of period
                            -98,072,000 109,803,000 146,197,000  7,766,000 -22,024,000 90,641,000                               
          assumption of secured notes payable in connection with purchase of real estate
                                -82,000,000                               
          non-cash financing activities:
                                                                 
          redemption of redeemable noncontrolling interest
                                                                 
          repurchase of series d cumulative convertible preferred stock
                                                                 
          financing costs paid for sales of noncontrolling interests
                             -1,673,000 -6,420,000                                   
          redemption of redeemable noncontrolling interests
                                                                 
          redemption of series d cumulative convertible preferred stock
                              -25,618,000                                   
          contributions by noncontrolling interests
                                340,000 19,410,000     249,000 501,000 500,000 625,000     12,000 56,000            
          distributions to noncontrolling interests
                              -1,927,000    -9,846,000 -1,192,000 -1,206,000 -400,000 -988,000 288,000 -1,461,000                         
          supplemental disclosure of cash flow information
                                                                 
          non-cash investing activities
                                                                 
          non-cash financing activities
                                                                 
          (gain) loss on sales of real estate – rental properties
                                                                 
          amortization of loan fees and costs
                                   2,819,000 2,786,000 2,743,000 2,561,000 2,636,000 2,487,000 2,427,000 2,386,000 2,505,000 2,470,000 2,214,000 2,643,000 2,551,000 2,144,000 2,327,000 2,278,000 1,999,000 1,795,000 2,026,000 2,072,000 2,081,000 2,061,000 2,497,000 1,319,000 1,764,000 1,739,000 1,714,000 1,775,000 1,733,000 1,637,000 
          amortization of debt (premiums) discounts
                               -90,000 -100,000 -100,000 -82,000                               
          change in restricted cash related to construction projects and investing activities
                                                                 
          repayments of unsecured senior bank term loan
                                                                 
          repurchase of unsecured senior convertible notes
                                                                
          contributions by and sales of noncontrolling interests
                                                                 
          cash and cash equivalents at beginning of period
                                   57,696,000 140,971,000 78,539,000 91,232,000 70,628,000 71,161,000 8,030,000 
          cash and cash equivalents at end of period
                                   18,988,000 5,322,000 -13,269,000 74,970,000 3,857,000 -248,366,000 215,204,000 87,001,000 46,067,000 13,967,000 3,576,000 77,361,000 5,483,000 12,131,000 -17,271,000 78,196,000 -19,579,000 37,557,000 2,274,000 70,980,000 2,348,000 -2,033,000 -54,968,000 125,281,000 55,770,000 8,319,000 -582,000 7,654,000 -2,750,000 3,763,000 
          note receivable issued in connection with sales of real estate
                                                                 
          equity in earnings of unconsolidated joint ventures
                                                                 
          distributions of earnings from unconsolidated joint ventures
                                92,000 157,000 491,000                               
          change in restricted cash related to construction projects
                                   -5,029,000 1,044,000 5,790,000 -140,000 1,944,000 14,600,000           3,120,000 2,326,000 3,658,000 9,048,000           
          investment in unconsolidated real estate joint ventures
                                -4,797,000 -643,000 -2,539,000                               
          equity in earnings from unconsolidated joint ventures
                                 -541,000 -574,000                               
          amortization of acquired below market leases
                                  -933,000                               
          principal borrowings from unsecured senior line of credit
                                  167,000,000 278,000,000 253,000,000 277,000,000 360,000,000   126,000,000 179,000,000                       
          (gain) loss on sales of real estate
                                                                 
          amortization of debt premiums/discounts
                                   17,000 -36,000 -69,000 205,000 146,000 146,000 122,000 115,000 110,000 112,000 110,000 179,000                   
          amortization of acquired above and below market leases
                                   -654,000 -757,000 -618,000 -816,000 -826,000 -830,000                         
          investment in unconsolidated joint venture
                                                                 
          distributions from unconsolidated joint venture
                                                                 
          proceeds from sales of investments
                                   5,090,000 5,089,000 4,796,000 3,998,000                           
          proceeds from repayment of notes receivable
                                   17,000                              
          redemption of series c cumulative redeemable preferred stock
                                                                 
          proceeds from issuance of series e cumulative redeemable preferred stock
                                                                 
          loan fees and costs paid
                                                                 
          proceeds from common stock offerings
                                       -1,217,000                          
          proceeds from exercise of stock options
                                           43,000 112,000 952,000 369,000 796,000 204,000 830,000 -3,351,000 5,194,000 2,715,000 271,000 1,000 30,000 11,000 538,000 1,549,000 411,000 -231,000 317,000 
          dividends paid on common stock
                                   -51,846,000 -51,673,000 -50,153,000 -48,714,000 -48,709,000 -46,435,000                         
          dividends paid on preferred stock
                                   -6,471,000 -6,471,000 -6,472,000 -6,471,000 -6,471,000 -6,472,000                         
          distributions to redeemable noncontrolling interests
                                   -298,000 -298,000                             
          note receivable issued in connection with sale of real estate
                                                                 
          write-off of fully amortized improvements
                                                                 
          gain on sales of land parcels
                                                                 
          loss on sales of real estate
                                                                 
          proceeds from sales of properties
                                    10,510,000           2,739,000    265,465,000 10,514,000 6,092,000 11,929,000       
          additions to properties
                                    -134,282,000 -99,205,000 -111,587,000 -143,249,000 -151,213,000                         
          purchase of properties
                                    -55,447,000 -42,338,000 -97,532,000                          
          deposits for property acquisitions
                                                                 
          investment in unconsolidated real estate jvs
                                                                 
          repayment of unsecured senior bank term loan
                                        -100,000,000                         
          change in restricted cash related to financings
                                    -837,000 153,000 1,059,000 1,623,000 -15,711,000 7,978,000 8,656,000     4,721,000 -2,234,000                 
          deferred financing costs paid
                                    -7,679,000 -302,000 -8,000 -3,681,000 -14,790,000                         
          proceeds from common stock offering
                                                                 
          gain on sale of land parcel
                                                                
          loss on sale of real estate
                                          340,000                       
          contributions to unconsolidated real estate entity
                                     -658,000 -747,000 -4,106,000 -8,718,000                         
          loss in investments from unconsolidated real estate entity
                                                                 
          proceeds from repayment of note receivable
                                                                 
          change in accrued capital expenditures
                                     6,620,000 -6,028,000   -11,153,000 -37,045,000                       
          note receivable from sale of real estate
                                       38,820,000                      
          impairment of land parcel
                                                                 
          gain on sale of land parcels
                                                                 
          distributions from unconsolidated real estate entity
                                                                 
          principal borrowings from unsecured senior bank term loans
                                                                 
          contributions by redeemable noncontrolling interests
                                                     252,000 282,000         
          non-cash impairment of real estate
                                                                 
          equity in loss related to investments
                                            26,000             67,000 27,000 2,000 77,000  118,000 
          gain on sales of investments
                                        -2,050,000                  380,000       
          loss on sales of investments
                                        143,000 386,000 1,004,000 518,000 1,088,000 1,000 555,000 293,000 -444,000 1,391,000 567,000 134,000 14,000 7,000 488,000 250,000         
          proceeds from sale of properties
                                        21,612,000 80,203,000                       
          proceeds from investments
                                        3,206,000 7,572,000 1,972,000  2,346,000 12,774,000 4,785,000 2,353,000 5,915,000 6,086,000 2,495,000 1,187,000 868,000 1,588,000 1,071,000   2,118,000 246,000 2,117,000 2,973,000 4,427,000 3,794,000 4,045,000 4,910,000 
          principal borrowings from unsecured senior line of credit and unsecured senior bank term loans
                                                                 
          distribution from unconsolidated real estate entity
                                              22,250,000                   
          loss in investments from unconsolidated entity
                                                                 
          proceeds from issuance of series e preferred stock
                                                               
          net decrease in cash and cash equivalents
                                                                 
          equity in loss (income) related to investments
                                                                 
          distributions from unconsolidated real estate entity related to sale of land parcel
                                                                
          transfer of cash to unconsolidated real estate entity upon deconsolidation
                                                                 
          payment on exchange of 8.00% unsecured senior convertible notes
                                                                 
          redemption of series c preferred stock
                                                                 
          effect of exchange rate changes on cash and cash equivalents
                                           -927,000 -1,968,000 1,000,000 2,034,000                   
          changes in accrued capital expenditures
                                                                 
          proceeds from sale of property
                                            34,274,000                     
          principal reductions of secured notes payable
                                                                 
          principal borrowings from unsecured senior line of credit and unsecured senior bank term loan
                                             281,147,000 248,000,000                   
          proceeds from issuance of preferred stock
                                              124,868,000                   
          gain on early extinguishment of debt
                                                   2,372,000 1,300,000             
          equity in income related to investments
                                                                 
          non-cash impairment on real estate
                                                                 
          proceeds from secured notes payable
                                                       120,878,000 1,082,000 6,288,000 3,307,000   38,233,000 200,000,000 
          principal borrowings from unsecured line of credit and unsecured bank term loans
                                                                 
          repayments of borrowings from unsecured line of credit
                                                                 
          proceeds from issuance of unsecured convertible notes
                                                                 
          payment on exchange of 8.00% unsecured convertible notes
                                                                 
          repurchase of unsecured convertible notes
                                                                 
          cash paid during the year for interest, net of interest capitalized
                                                                 
          amortization of debt premiums/discount
                                                750,000 1,169,000 1,335,000  2,092,000 2,849,000 3,026,000  2,923,000 2,605,000 2,262,000       
          gain on sales of property
                                                                 
          changes in assets and liabilities:
                                                                 
          principal borrowings from unsecured line of credit and unsecured term loans
                                                282,000,000 1,248,317,000 460,000,000               
          equity in (income) loss related to investments
                                                                 
          gain/loss on sales of real estate
                                                                 
          non-cash impairment on investments
                                                           11,266,000 1,985,000   
          principal borrowings from unsecured line of credit and term loan
                                                   399,000,000 183,000,000 192,000,000 80,000,000 113,000,000 193,000,000 184,000,000 206,000,000     338,000,000 451,000,000 
          proceeds from issuance of series d convertible preferred stock
                                                           29,100,000 213,086,000   
          proceeds from issuance of 8.00% unsecured convertible notes
                                                                
          repurchase of 3.70% unsecured convertible notes
                                                                 
          gain/loss on properties “held for sale” and sales of properties
                                                                 
          tenant security deposits and other restricted cash
                                                        -9,175,000 3,943,000 13,012,000       
          accounts payable, accrued expenses and tenant security deposits
                                                           1,378,000 32,720,000   3,512,000 28,540,000 
          proceeds from unsecured convertible notes
                                                               
          redemption of series b preferred stock
                                                                 
          gain/loss on properties “held for sale” and sales of property
                                                                 
          proceeds from issuance of series d cumulative convertible preferred stock
                                                                 
          minority interest
                                                           971,000 929,000 948,000 951,000 951,000 909,000 
          distributions to minority interest
                                                                 
          contributions by minority interest
                                                           -1,000 458,000 649,000 15,807,000 1,333,000 
          redemption of minority interest
                                                                 
          amortization of above and below market leases
                                                                 
          proceeds from sales of property
                                                            11,066,000 68,047,000   
          principal borrowings from unsecured line of credit
                                                            187,000,000 149,000,000 320,000,000   
          straight line rent
                                                                 
          gain on sales of properties
                                                                 
          additions to rental properties
                                                                 
          additions to properties undergoing development and redevelopment and land held for development
                                                                 
          amortization of premiums/discount on secured notes payable
                                                                 
          purchase of rental properties
                                                                 
          proceeds from sale of rental properties
                                                                40,052,000 
          additions to properties undergoing development and development land
                                                                 
          repayments of unsecured line of credit
                                                                 
          gain on sale of investments
                                                                 
          gain on sale of properties