7Baggers
Quarterly
Annual
    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 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-09-30 2017-06-30 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 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 
      
                                                                                      
      ​
                                                                                      
      assets
                                                                                      
      storage properties
    8,108,076,000 8,098,390,000 8,084,827,000 7,628,774,000 7,422,281,000 7,415,426,000 7,397,588,000 7,367,613,000 7,332,817,000 7,323,638,000 7,303,888,000 7,295,778,000 7,284,661,000 7,268,162,000 7,232,103,000 7,183,494,000 5,573,816,000 5,536,376,000 5,492,183,000 5,489,754,000 4,814,261,000 4,802,024,000 4,716,549,000 4,699,844,000 4,674,717,000 4,640,556,000 4,489,732,000 4,463,455,000 4,323,372,000 4,237,717,000 4,201,909,000 4,086,960,000 4,071,098,000 4,020,366,000                                                 
      less: accumulated depreciation
    -1,730,103,000 -1,684,787,000 -1,638,631,000 -1,590,588,000 -1,544,603,000 -1,503,487,000 -1,458,854,000 -1,416,377,000 -1,375,321,000 -1,333,907,000 -1,290,075,000 -1,247,775,000 -1,207,230,000 -1,174,746,000 -1,130,001,000 -1,085,824,000 -1,047,322,000 -1,026,337,000 -997,712,000 -983,940,000 -980,312,000 -972,536,000 -944,958,000 -925,359,000 -936,862,000 -905,403,000 -884,941,000 -862,487,000 -838,325,000 -807,625,000 -785,010,000 -723,702,000 -719,214,000 -693,146,000 -685,771,000 -652,657,000 -622,824,000 -594,049,000 -569,493,000 -549,206,000 -520,114,000  -466,516,000  -419,460,000  -380,621,000  -367,336,000                                  
      cash and cash equivalents
    108,393,000 8,741,000 10,751,000 71,560,000 43,507,000 5,656,000 5,587,000 6,526,000 8,028,000 9,220,000 5,510,000 6,064,000 5,183,000 5,148,000 7,890,000 11,140,000 20,332,000 3,989,000 3,650,000 3,592,000 3,903,000 3,457,000 35,719,000 54,857,000 7,293,000 11,103,000 3,533,000 3,764,000 3,387,000 6,487,000 6,036,000 6,230,000 8,077,000 3,081,000 87,379,000 3,423,000 2,754,000 62,869,000 3,018,000 3,167,000 3,017,000 2,901,000 31,264,000 10,789,000 3,235,000 3,176,000 2,940,000 4,021,000 2,625,000 4,495,000 2,707,000 137,796,000 7,465,000 9,069,000 12,491,000 1,845,000 4,089,000 5,891,000 23,203,000 31,877,000 41,524,000 102,768,000 60,967,000 1,657,000 1,577,000 3,744,000 2,540,000 651,000 5,625,000 4,517,000 5,903,000 3,443,000 5,649,000 15,900,000 13,479,000 19,789,000 201,098,000 14,814,000     
      restricted cash
    6,364,000 5,591,000 5,003,000 6,103,000 1,848,000 1,614,000 2,026,000 1,691,000 1,872,000 1,925,000 3,272,000 2,861,000 3,021,000 2,956,000 2,573,000 2,178,000 39,738,000 2,238,000 2,342,000 2,637,000 2,815,000 2,935,000 2,760,000 3,584,000 5,555,000 4,280,000 3,008,000 2,718,000 3,092,000 3,037,000 2,946,000 4,189,000 4,164,000 6,556,000 8,052,000 9,017,000 2,652,000 24,600,000 2,746,000 3,229,000 3,675,000 3,305,000 4,254,000 3,587,000 3,964,000 4,025,000 4,226,000 4,540,000 5,484,000 6,070,000 7,579,000 6,618,000 11,486,000 11,291,000 11,228,000 9,747,000 9,612,000 10,250,000 15,528,000 13,961,000 13,521,000 16,381,000 16,524,000 18,798,000 16,244,000 16,217,000 18,618,000 18,199,000 16,090,000 15,818,000 19,449,000 16,865,000 15,508,000 14,714,000 15,396,000 13,982,000 14,672,000 15,484,000 14,090,000 8,430,000 7,211,000 6,042,000 
      loan procurement costs, net of amortization
    1,781,000 2,098,000 2,415,000 2,731,000 3,048,000 3,364,000 3,681,000 3,995,000 4,278,000 4,591,000 4,907,000 5,182,000 1,719,000 1,826,000 2,074,000 2,322,000 2,587,000 2,836,000 3,029,000 3,275,000 3,382,000 3,609,000 3,834,000 4,059,000 4,284,000 4,505,000 793,000 963,000 1,134,000 1,298,000 1,463,000 1,709,000 1,875,000 2,038,000 2,313,000 2,475,000 2,637,000 13,470,000 11,240,000 11,778,000 10,173,000 10,653,000 11,194,000 11,543,000 12,086,000 12,687,000 8,885,000 9,421,000 7,777,000 8,253,000 8,943,000 9,190,000 7,643,000 8,073,000 11,574,000 12,672,000 14,034,000 15,611,000 17,351,000 16,458,000 18,006,000 18,366,000 5,924,000 5,392,000 3,584,000                  
      investment in real estate ventures, at equity
    74,320,000 74,640,000 76,042,000 91,973,000 92,161,000 94,053,000 96,227,000 98,288,000 99,670,000 101,482,000 103,687,000 105,993,000 107,755,000 114,527,000 117,025,000 119,751,000 111,354,000 97,301,000 93,797,000 92,071,000 92,249,000 93,697,000 95,174,000 91,117,000 88,812,000 86,914,000 94,092,000 95,796,000 98,156,000 100,614,000 99,085,000 91,455,000 93,757,000 95,936,000 97,405,000 99,915,000 100,477,000 97,281,000       154,467,000       14,087,000 14,564,000 15,181,000 15,438,000                            
      other assets
    188,827,000 204,647,000 199,873,000 183,628,000 174,173,000 167,830,000 162,633,000 163,284,000 161,881,000 172,137,000 156,052,000 153,982,000 171,797,000 208,611,000 226,553,000 265,705,000 134,369,000 154,829,000 157,189,000 170,753,000 92,272,000 91,154,000 93,684,000 101,443,000 104,128,000 105,514,000 107,972,000 48,763,000 49,234,000 43,232,000 39,105,000 36,178,000 33,481,000 31,284,000 41,067,000 39,240,000 41,326,000 43,631,000 40,511,000 42,188,000 39,129,000 48,642,000 43,263,000 41,400,000 27,420,000 27,256,000 25,920,000 30,072,000 27,928,000 41,794,000 49,982,000 33,128,000 40,684,000 43,645,000 19,182,000 22,637,000 17,860,000 18,576,000 19,934,000 19,257,000 10,016,000 10,710,000 31,578,000 11,780,000 8,599,000 10,909,000   10,679,000 14,270,000 14,560,000 10,361,000 6,205,000 8,332,000 7,734,000 8,983,000 8,631,000 10,946,000 5,244,000 3,651,000 3,399,000 6,968,000 
      total assets
    6,757,658,000 6,709,320,000 6,740,280,000 6,394,181,000 6,192,415,000 6,184,456,000 6,208,888,000 6,225,020,000 6,233,225,000 6,281,149,000 6,291,005,000 6,325,830,000 6,371,170,000 6,428,799,000 6,461,541,000 6,548,079,000 4,836,054,000 4,771,232,000 4,754,478,000 4,778,142,000 4,028,570,000 4,024,340,000 4,002,762,000 4,029,545,000 3,950,330,000 3,947,469,000 3,814,189,000 3,752,972,000 3,640,050,000 3,584,760,000 3,565,534,000 3,503,019,000 3,493,238,000 3,466,115,000 3,519,199,000 3,362,509,000 3,206,687,000 3,114,834,000 2,929,906,000 2,863,953,000 2,808,000,000 2,786,339,000 2,544,966,000 2,503,123,000 2,442,531,000 2,358,624,000 2,203,163,000 2,197,722,000 2,112,933,000 2,150,319,000 2,167,713,000 2,088,978,000 1,937,913,000 1,875,979,000 1,503,118,000 1,509,462,000 1,475,707,000 1,478,819,000 1,497,194,000 1,485,034,000 1,501,976,000 1,598,870,000 1,567,523,000 1,562,712,000 1,575,053,000 1,597,659,000 1,623,022,000 1,657,425,000 1,681,755,000 1,687,831,000 1,698,729,000 1,587,558,000 1,607,435,000 1,624,765,000 1,551,179,000 1,512,329,000 1,481,488,000 1,192,132,000 879,613,000 818,673,000 775,874,000  
      liabilities and equity
                                                                                      
      unsecured senior notes
    3,223,866,000 2,782,701,000 2,781,666,000 2,780,631,000 2,779,596,000 2,778,560,000 2,777,525,000 2,776,490,000 2,775,455,000 2,774,420,000 2,773,385,000 2,772,350,000 2,771,315,000 2,770,280,000 2,769,245,000 2,768,209,000 2,032,253,000 2,031,626,000 2,030,999,000 2,030,372,000 1,837,219,000 1,836,721,000 1,836,223,000 1,835,725,000 1,489,483,000 1,489,088,000 1,488,692,000 1,143,524,000 1,143,258,000 1,142,992,000 1,142,726,000 1,142,194,000 1,141,928,000 1,039,423,000 1,038,728,000 742,402,000 742,153,000 750,000,000 500,000,000 500,000,000 500,000,000 500,000,000 500,000,000 500,000,000 500,000,000 500,000,000 250,000,000 250,000,000 250,000,000 250,000,000 250,000,000                                
      revolving credit facility
     366,300,000 382,400,000   10,600,000 18,400,000 18,100,000 15,200,000 63,200,000 61,400,000 60,900,000 86,000,000 168,900,000 185,400,000 209,900,000  24,600,000 52,800,000 117,800,000 37,300,000 15,400,000   237,980,000 257,150,000 96,145,000 195,525,000 94,250,000 47,700,000 136,400,000 66,700,000 60,000,000 53,000,000  150,000,000 54,300,000  167,800,000 161,600,000 80,000,000 78,000,000  56,900,000 70,600,000 38,600,000 88,300,000 110,000,000 30,000,000 45,000,000 65,500,000  50,000,000   9,000,000 40,500,000 43,000,000      104,000,000 163,000,000 172,000,000 182,700,000 212,200,000 235,000,000 219,000,000 191,500,000 107,500,000 107,500,000 170,500,000 88,000,000 46,000,000  108,300,000     
      mortgage loans and notes payable
    204,681,000 205,092,000 205,500,000 205,915,000 94,788,000 95,388,000 127,239,000 128,186,000 129,130,000 130,070,000 161,711,000 162,918,000 164,116,000 165,305,000 166,489,000 167,676,000 168,855,000 170,025,000 171,189,000 216,504,000 93,707,000 94,488,000 95,263,000 96,040,000 96,810,000 106,596,000 107,414,000 108,246,000 109,058,000 109,851,000 110,635,000 112,214,000 112,977,000 107,647,000 115,393,000 138,716,000 101,716,000 112,212,000 120,444,000 142,292,000 196,868,000 195,851,000 215,849,000 224,232,000 226,025,000 200,218,000 206,100,000 214,453,000 226,460,000 228,759,000 258,849,000 244,756,000 387,802,000 358,441,000 346,018,000 347,645,000 382,541,000 372,457,000 456,174,000 465,854,000 483,324,000 569,026,000 528,118,000 593,182,000 545,461,000 548,085,000 551,256,000 556,441,000 559,609,000 561,057,000 580,294,000 583,427,000 586,804,000          
      lease liabilities - finance leases
    65,612,000 65,636,000 65,649,000 65,668,000 65,677,000 65,685,000 65,699,000 65,714,000 65,720,000 65,727,000 65,740,000 65,758,000 65,764,000 65,771,000 65,783,000 65,801,000 65,807,000 65,798,000 65,710,000 65,599,000                                                               
      accounts payable, accrued expenses and other liabilities
    246,162,000 237,415,000 220,271,000 229,581,000 223,516,000 230,287,000 202,800,000 201,419,000 222,052,000 214,733,000 188,199,000 213,297,000 218,181,000 217,040,000 197,685,000 199,985,000 177,328,000 176,854,000 166,025,000 159,140,000 153,568,000 165,635,000 136,310,000 137,880,000 150,532,000 164,533,000 168,174,000 149,914,000 153,185,000 146,223,000 122,703,000 139,368,000 126,621,000 104,200,000 93,854,000 96,795,000 96,245,000 85,034,000 88,259,000 81,805,000 70,116,000 69,198,000 63,139,000 57,847,000 49,627,000 57,599,000 55,113,000 54,241,000 52,405,000 60,708,000 63,033,000 55,453,000 46,263,000 51,025,000 50,028,000 37,105,000 32,104,000 36,172,000 40,646,000 35,400,000 27,749,000 33,767,000 38,908,000 32,212,000 29,927,000 39,410,000                 
      distributions payable
    119,676,000 119,678,000 119,639,000 119,600,000 116,420,000 116,014,000 115,918,000 115,820,000 111,279,000 111,280,000 111,215,000 111,190,000 97,492,000 97,444,000 97,439,000 97,417,000 71,696,000 71,277,000 70,854,000 68,301,000 64,711,000 64,703,000 64,691,000 64,688,000 62,645,000 62,029,000 60,978,000 60,627,000 56,584,000 56,442,000 55,382,000 49,407,000 49,382,000 49,255,000 39,781,000 39,449,000 39,210,000 38,685,000 29,241,000 28,685,000 28,480,000 28,137,000 21,799,000 20,960,000 20,321,000 19,955,000 16,813,000 16,550,000 16,455,000 16,419,000 12,110,000 11,712,000 11,710,000 11,401,000 7,293,000 7,260,000 7,292,000 7,275,000 2,515,000 2,435,000 2,456,000 2,448,000 2,445,000 1,630,000 1,582,000 1,572,000 11,325,000 11,324,000 11,326,000 11,300,000 18,236,000 18,196,000 18,192,000 18,184,000 16,658,000 16,652,000 16,624,000 10,498,000 10,457,000 10,498,000 7,532,000  
      deferred revenue
    42,723,000 43,224,000 42,348,000 38,918,000 39,786,000 40,576,000 39,268,000 38,483,000 40,169,000 40,245,000 39,484,000 38,757,000 40,777,000 40,124,000 38,493,000 37,144,000 33,871,000 32,519,000 30,974,000 29,087,000 27,595,000 26,787,000 25,662,000 25,313,000 25,611,000 25,230,000 23,485,000 22,595,000 23,072,000 23,521,000 22,671,000 21,765,000 21,964,000 21,132,000 20,141,000 19,868,000 18,673,000 17,519,000 17,079,000 17,141,000 16,242,000 15,311,000 14,491,000 14,632,000 13,567,000 12,394,000 12,338,000 12,682,000 11,866,000 11,090,000 10,950,000 10,607,000 10,630,000 9,568,000 9,326,000 9,532,000 9,272,000 8,873,000 8,893,000 8,932,000 9,008,000 8,449,000 8,653,000 9,484,000 9,900,000 9,725,000 10,460,000 10,908,000 11,044,000 10,148,000 10,229,000 10,437,000 10,429,000 10,365,000 10,235,000        
      total liabilities
    3,902,720,000 3,820,046,000 3,817,473,000 3,440,313,000 3,319,783,000 3,337,110,000 3,346,849,000 3,344,212,000 3,360,082,000 3,402,163,000 3,403,844,000 3,428,030,000 3,446,907,000 3,526,280,000 3,522,095,000 3,549,699,000 2,550,996,000 2,573,782,000 2,589,630,000 2,687,880,000 2,214,591,000 2,204,216,000 2,158,627,000 2,160,121,000 2,063,584,000 2,105,098,000 2,045,215,000 1,980,704,000 1,879,582,000 1,826,810,000 1,890,500,000 1,831,357,000 1,812,489,000 1,773,962,000 1,706,925,000 1,586,098,000 1,451,019,000 1,403,853,000 1,323,941,000 1,331,926,000 1,292,105,000 1,286,898,000 1,215,672,000 1,274,963,000 1,280,527,000 1,229,142,000 1,130,027,000 1,158,353,000 1,087,623,000 1,112,420,000 1,160,929,000 1,073,029,000 906,911,000 830,925,000 713,141,000 711,032,000 672,206,000 668,266,000 708,762,000 713,049,000 722,995,000 814,146,000 778,738,000 987,427,000 1,007,747,000 1,028,705,000 1,047,727,000 1,076,912,000 1,093,513,000 1,083,230,000 1,075,901,000 942,155,000 944,670,000 915,993,000 820,342,000 763,433,000 714,376,000 779,264,000 519,679,000 448,632,000 405,432,000 570,563,000 
      noncontrolling interests in the operating partnership
    44,858,000 46,888,000 48,784,000 51,193,000 66,330,000 55,930,000 58,253,000 60,276,000 51,877,000 63,352,000 65,565,000 57,419,000 58,508,000 62,393,000 75,991,000 108,220,000 339,557,000 337,417,000 278,649,000 249,414,000 69,573,000 51,407,000 53,845,000 62,088,000 65,108,000 62,385,000 60,414,000 55,819,000 58,446,000 64,512,000 57,705,000 48,759,000 59,416,000 52,735,000 60,541,000 68,581,000 71,916,000 66,128,000 60,180,000 52,472,000 54,446,000 49,823,000 40,590,000 41,430,000 38,807,000 36,275,000 40,688,000 36,446,000 36,036,000 47,990,000 56,740,000 51,450,000 55,622,000 49,732,000 42,521,000 49,789,000 49,835,000 45,145,000 43,871,000 44,731,000 45,086,000 45,394,000 46,057,000                    
      commitments and contingencies
                                                                                      
      equity
                                                                                      
      common shares .01 par value, 400,000,000 shares authorized, 228,035,275 and 227,764,975 shares issued and outstanding at september 30, 2025 and december 31, 2024, respectively
    2,280,000                                                                                  
      additional paid-in capital
    4,295,941,000 4,293,182,000 4,287,772,000 4,285,570,000 4,195,449,000 4,154,269,000 4,144,972,000 4,142,229,000 4,137,466,000 4,132,621,000 4,128,563,000 4,125,478,000 4,121,824,000 4,114,149,000 4,112,183,000 4,088,392,000 3,037,520,000 2,961,696,000 2,909,730,000 2,805,673,000 2,682,671,000 2,680,468,000 2,675,867,000 2,674,745,000 2,673,440,000 2,610,939,000 2,519,750,000 2,500,751,000 2,472,839,000 2,458,521,000 2,356,759,000 2,323,878,000 2,306,086,000 2,313,350,000 2,381,836,000 2,332,742,000 2,299,527,000 2,231,181,000 2,127,252,000 2,040,861,000 2,011,695,000 1,974,308,000    1,542,703,000 1,492,055,000                974,111,000 812,247,000 801,887,000                  
      accumulated other comprehensive loss
    -270,000 -290,000 -310,000 -330,000 -351,000 -371,000 -391,000 -411,000 -431,000 -451,000 -471,000 -491,000 -511,000 -531,000 -551,000 -570,000 -575,000 -594,000 -613,000 -632,000 -669,000 -689,000 -709,000 -729,000 -749,000 -769,000 -789,000     -363,000 -666,000 -1,023,000 -3,247,000 -4,623,000 -5,302,000 -4,978,000 -8,824,000 -8,378,000 -9,835,000  -8,558,000  -10,360,000  -12,626,000  -18,839,000                                  
      accumulated deficit
    -1,515,815,000 -1,481,494,000 -1,445,520,000 -1,415,662,000 -1,411,850,000 -1,386,056,000 -1,364,723,000 -1,345,239,000 -1,332,081,000 -1,333,148,000 -1,322,576,000 -1,301,030,000 -1,271,905,000 -1,291,916,000 -1,266,804,000 -1,218,498,000 -1,113,025,000 -1,116,596,000 -1,033,519,000 -974,799,000 -947,477,000 -920,964,000 -894,773,000 -876,606,000 -860,985,000 -838,197,000 -823,473,000 -791,915,000 -779,533,000 -773,849,000 -748,499,000 -708,404,000 -691,778,000 -680,919,000 -634,248,000 -627,689,000 -613,734,000 -584,654,000 -576,086,000 -556,385,000 -543,860,000  -487,357,000  -459,335,000  -448,519,000  -429,736,000                         -147,802,000 -126,181,000 -109,492,000 -91,253,000      
      total cubesmart shareholders’ equity
    2,782,136,000 2,813,678,000 2,844,221,000 2,871,856,000 2,785,508,000 2,770,094,000 2,782,108,000 2,798,828,000 2,807,203,000 2,801,270,000 2,807,763,000 2,826,203,000 2,851,654,000 2,823,947,000 2,847,072,000 2,871,563,000 1,925,953,000 1,846,524,000 1,877,602,000 1,832,216,000 1,736,462,000 1,760,752,000 1,782,321,000 1,799,346,000 1,813,642,000 1,773,889,000 1,697,369,000 1,709,678,000 1,695,169,000 1,686,531,000 1,610,362,000 1,616,920,000 1,615,444,000 1,633,210,000 1,746,171,000 1,702,243,000 1,682,293,000 1,643,327,000 1,544,082,000 1,477,803,000 1,459,692,000 1,448,026,000 1,287,166,000 1,185,235,000 1,121,752,000 1,092,276,000 1,032,306,000 1,002,808,000 989,166,000 989,791,000 949,929,000 925,890,000 936,382,000 955,913,000 707,973,000                            
      noncontrolling interests in subsidiaries
    27,944,000 28,708,000 29,802,000 30,819,000 20,794,000 21,322,000 21,678,000 21,704,000 14,063,000 14,364,000 13,833,000 14,178,000 14,101,000 16,179,000 16,383,000 18,597,000 19,548,000 13,509,000 8,597,000 8,632,000 7,944,000 7,965,000 7,969,000 7,990,000 7,996,000 6,097,000 11,191,000 6,771,000 6,853,000 6,907,000 6,967,000 5,983,000 5,889,000 6,208,000 5,562,000 5,587,000 1,459,000 1,526,000 1,703,000 1,752,000 1,757,000 1,592,000 1,538,000 1,495,000  931,000 142,000           41,192,000    44,021,000 44,728,000                    
      total equity
    2,810,080,000 2,842,386,000 2,874,023,000 2,902,675,000 2,806,302,000 2,791,416,000 2,803,786,000 2,820,532,000 2,821,266,000 2,815,634,000 2,821,596,000 2,840,381,000 2,865,755,000 2,840,126,000 2,863,455,000 2,890,160,000 1,945,501,000 1,860,033,000 1,886,199,000 1,840,848,000 1,744,406,000 1,768,717,000 1,790,290,000 1,807,336,000 1,821,638,000 1,779,986,000 1,708,560,000 1,716,449,000 1,702,022,000 1,693,438,000 1,617,329,000 1,622,903,000 1,621,333,000 1,639,418,000 1,751,733,000 1,707,830,000 1,683,752,000 1,644,853,000 1,545,785,000 1,479,555,000 1,461,449,000 1,449,618,000 1,288,704,000 1,186,730,000 1,123,197,000 1,093,207,000 1,032,448,000 1,002,923,000 989,274,000 989,909,000 950,044,000 964,499,000 975,380,000 995,322,000 747,456,000 748,641,000 753,666,000 765,408,000 744,561,000 727,254,000 733,895,000 739,330,000 742,728,000                    
      total liabilities and equity
    6,757,658,000 6,709,320,000 6,740,280,000 6,394,181,000 6,192,415,000 6,184,456,000 6,208,888,000 6,225,020,000 6,233,225,000 6,281,149,000 6,291,005,000 6,325,830,000 6,371,170,000 6,428,799,000 6,461,541,000 6,548,079,000 4,836,054,000 4,771,232,000 4,754,478,000 4,778,142,000 4,028,570,000 4,024,340,000 4,002,762,000 4,029,545,000 3,950,330,000 3,947,469,000 3,814,189,000 3,752,972,000 3,640,050,000 3,584,760,000 3,565,534,000 3,503,019,000 3,493,238,000 3,466,115,000 3,519,199,000 3,362,509,000 3,206,687,000 3,114,834,000 2,929,906,000 2,863,953,000 2,808,000,000 2,786,339,000 2,544,966,000 2,503,123,000 2,442,531,000 2,358,624,000 2,203,163,000 2,197,722,000 2,112,933,000 2,150,319,000 2,167,713,000 2,088,978,000 1,937,913,000 1,875,979,000 1,503,118,000 1,509,462,000 1,475,707,000 1,478,819,000 1,497,194,000 1,485,034,000 1,501,976,000 1,598,870,000 1,567,523,000 1,562,712,000 1,575,053,000                  
      common shares .01 par value, 400,000,000 shares authorized, 228,033,843 and 227,764,975 shares issued and outstanding at june 30, 2025 and december 31, 2024, respectively
     2,280,000                                                                                 
      common shares .01 par value, 400,000,000 shares authorized, 227,920,222 and 227,764,975 shares issued and outstanding at march 31, 2025 and december 31, 2024, respectively
      2,279,000                                                                                
      common shares .01 par value, 400,000,000 shares authorized, 227,764,975 and 224,921,053 shares issued and outstanding at december 31, 2024 and 2023, respectively
       2,278,000                                                                               
      common shares .01 par value, 400,000,000 shares authorized, 226,002,624 and 224,921,053 shares issued and outstanding at september 30, 2024 and december 31, 2023, respectively
        2,260,000                                                                              
      common shares .01 par value, 400,000,000 shares authorized, 225,196,862 and 224,921,053 shares issued and outstanding at june 30, 2024 and december 31, 2023, respectively
         2,252,000                                                                             
      common shares .01 par value, 400,000,000 shares authorized, 224,965,172 and 224,921,053 shares issued and outstanding at march 31, 2024 and december 31, 2023, respectively
          2,250,000                                                                            
      assets held for sale
             2,063,000 3,764,000 3,745,000 4,264,000 2,315,000 3,324,000 49,313,000 1,180,000        2,403,000              27,505,000        67,924,000    6,452,000 4,738,000       1,867,000    6,417,000   2,378,000 7,194,000                
      liabilities held for sale
             1,402,000 1,633,000 1,773,000 2,227,000 390,000 475,000 2,502,000 81,000        53,000                                                          
      common shares .01 par value, 400,000,000 shares authorized, 224,921,053 and 224,603,462 shares issued and outstanding at december 31, 2023 and 2022, respectively
           2,249,000                                                                           
      security deposits
            1,077,000 1,086,000 1,077,000 1,087,000 1,035,000 1,026,000 1,086,000 1,065,000 1,105,000 1,083,000 1,079,000 1,077,000 491,000 482,000 478,000 475,000 470,000 472,000 466,000 474,000 476,000 483,000 486,000 414,000 422,000 415,000 420,000 402,000 397,000 403,000 393,000 403,000 399,000 401,000 394,000 392,000 387,000 376,000 388,000 427,000 437,000 444,000 487,000 501,000 506,000 490,000 476,000 490,000 497,000 489,000 512,000 428,000 458,000 456,000 457,000 472,000 458,000 472,000 491,000 522,000 553,000 548,000 594,000 608,000 632,000 682,000 670,000 683,000 685,000 741,000 609,000 603,000 455,000 364,000 
      common shares .01 par value, 400,000,000 shares authorized, 224,859,021 and 224,603,462 shares issued and outstanding at september 30, 2023 and december 31, 2022, respectively
            2,249,000                                                                          
      common shares .01 par value, 400,000,000 shares authorized, 224,797,239 and 224,603,462 shares issued and outstanding at june 30, 2023 and december 31, 2022, respectively
             2,248,000                                                                         
      common shares .01 par value, 400,000,000 shares authorized, 224,671,525 and 224,603,462 shares issued and outstanding at march 31, 2023 and december 31, 2022, respectively
              2,247,000                                                                        
      common shares .01 par value, 400,000,000 shares authorized, 224,603,462 and 223,917,993 shares issued and outstanding at december 31, 2022 and 2021, respectively
               2,246,000                                                                       
      common shares .01 par value, 400,000,000 shares authorized, 224,568,376 and 223,917,993 shares issued and outstanding at september 30, 2022 and december 31, 2021, respectively
                2,246,000                                                                      
      common shares .01 par value, 400,000,000 shares authorized, 224,452,547 and 223,917,993 shares issued and outstanding at june 30, 2022 and december 31, 2021, respectively
                 2,245,000                                                                     
      common shares .01 par value, 400,000,000 shares authorized, 224,433,506 and 223,917,993 shares issued and outstanding at march 31, 2022 and december 31, 2021, respectively
                  2,244,000                                                                    
      common shares .01 par value, 400,000,000 shares authorized, 223,917,993 and 197,405,989 shares issued and outstanding at december 31, 2021 and 2020, respectively
                   2,239,000                                                                   
      common shares .01 par value, 400,000,000 shares authorized, 203,284,756 and 197,405,989 shares issued and outstanding at september 30, 2021 and december 31, 2020, respectively
                    2,033,000                                                                  
      common shares .01 par value, 400,000,000 shares authorized, 201,768,903 and 197,405,989 shares issued and outstanding at june 30, 2021 and december 31, 2020, respectively
                     2,018,000                                                                 
      common shares .01 par value, 400,000,000 shares authorized, 200,421,556 and 197,405,989 shares issued and outstanding at march 31, 2021 and december 31, 2020, respectively
                      2,004,000                                                                
      common shares .01 par value, 400,000,000 shares authorized, 197,405,989 and 193,557,024 shares issued and outstanding at december 31, 2020 and 2019, respectively
                       1,974,000                                                               
      common shares .01 par value, 400,000,000 shares authorized, 193,748,023 and 193,557,024 shares issued and outstanding at september 30, 2020 and december 31, 2019, respectively
                        1,937,000                                                              
      common shares .01 par value, 400,000,000 shares authorized, 193,728,951 and 193,557,024 shares issued and outstanding at june 30, 2020 and december 31, 2019, respectively
                         1,937,000                                                             
      common shares .01 par value, 400,000,000 shares authorized, 193,587,165 and 193,557,024 shares issued and outstanding at march 31, 2020 and december 31, 2019, respectively
                          1,936,000                                                            
      unsecured term loans
                              99,861,000 299,799,000 299,699,000 299,598,000 299,497,000 299,295,000 299,195,000 398,890,000 398,608,000 398,466,000 398,325,000 400,000,000 400,000,000 400,000,000 400,000,000 400,000,000 400,000,000 400,000,000 400,000,000 400,000,000 500,000,000 500,000,000 500,000,000  500,000,000 500,000,000 400,000,000  300,000,000 300,000,000                           
      common shares .01 par value, 400,000,000 shares authorized, 193,557,024 and 187,145,103 shares issued and outstanding at december 31, 2019 and 2018, respectively
                           1,936,000                                                           
      common shares .01 par value, 400,000,000 shares authorized, 193,554,347 and 187,145,103 shares issued and outstanding at september 30, 2019 and december 31, 2018, respectively
                            1,936,000                                                          
      common shares .01 par value, 400,000,000 shares authorized, 191,626,376 and 187,145,103 shares issued and outstanding at june 30, 2019 and december 31, 2018, respectively
                             1,916,000                                                         
      common shares .01 par value, 400,000,000 shares authorized, 188,137,137 and 187,145,103 shares issued and outstanding at march 31, 2019 and december 31, 2018, respectively
                              1,881,000                                                        
      common shares .01 par value, 400,000,000 shares authorized, 187,145,103 and 182,215,735 shares issued and outstanding at december 31, 2018 and 2017, respectively
                               1,871,000                                                       
      accumulated other comprehensive income
                               -1,029,000   279,000                                    165,000                
      common shares .01 par value, 400,000,000 shares authorized, 186,304,300 and 182,215,735 shares issued and outstanding at september 30, 2018 and december 31, 2017, respectively
                                1,863,000                                                      
      common shares .01 par value, 400,000,000 shares authorized, 185,876,890 and 182,215,735 shares issued and outstanding at june 30, 2018 and december 31, 2017, respectively
                                 1,859,000                                                     
      common shares .01 par value, 400,000,000 shares authorized, 182,279,975 and 182,215,735 shares issued and outstanding at march 31, 2018 and december 31, 2017, respectively
                                  1,823,000                                                    
      common shares .01 par value, 400,000,000 shares authorized, 180,880,816 and 180,083,111 shares issued and outstanding at september 30, 2017 and december 31, 2016, respectively
                                   1,809,000                                                   
      common shares .01 par value, 400,000,000 shares authorized, 180,197,464 and 180,083,111 shares issued and outstanding at june 30, 2017 and december 31, 2016, respectively
                                    1,802,000                                                  
      common shares .01 par value, 400,000,000 shares authorized, 180,173,982 and 180,083,111 shares issued and outstanding at march 31, 2017 and december 31, 2016, respectively
                                     1,802,000                                                 
      storage facilities
                                      3,968,754,000 3,861,096,000 3,679,665,000 3,467,032,000 3,323,554,000 3,260,426,000 3,178,202,000 3,117,198,000 2,823,186,000 2,776,835,000 2,660,819,000 2,553,706,000 2,473,889,000 2,536,592,000 2,436,455,000 2,443,022,000 2,432,415,000 2,226,295,000 2,190,998,000 2,107,469,000 1,740,880,000 1,781,331,000 1,737,681,000 1,743,021,000 1,745,625,000 1,739,617,000 1,743,312,000 1,774,542,000 1,784,520,000 1,869,114,000 1,882,654,000 1,888,123,000 1,893,869,000 1,925,616,000 1,929,658,000 1,916,396,000 1,904,179,000 1,784,051,000 1,794,139,000          
      7.75% series a preferred shares .01 par value, 3,220,000 shares authorized, 3,100,000 shares issued and outstanding at september 30, 2016 and december 31, 2015, respectively
                                      31,000                                                
      common shares .01 par value, 400,000,000 shares authorized, 179,858,650 and 174,667,870 shares issued and outstanding at september 30, 2016 and december 31, 2015, respectively
                                      1,799,000                                                
      7.75% series a preferred shares .01 par value, 3,220,000 shares authorized, 3,100,000 shares issued and outstanding at june 30, 2016 and december 31, 2015, respectively
                                       31,000                                               
      common shares .01 par value, 400,000,000 shares authorized, 178,249,897 and 174,667,870 shares issued and outstanding at june 30, 2016 and december 31, 2015, respectively
                                       1,782,000                                               
      7.75% series a preferred shares .01 par value, 3,220,000 shares authorized, 3,100,000 shares issued and outstanding at march 31, 2016 and december 31, 2015, respectively
                                        31,000                                              
      common shares .01 par value, 400,000,000 shares authorized, 177,126,709 and 174,667,870 shares issued and outstanding at march 31, 2016 and december 31, 2015, respectively
                                        1,771,000                                              
      7.75% series a preferred shares .01 par value, 3,220,000 shares authorized, 3,100,000 shares issued and outstanding at december 31, 2015 and december 31, 2014, respectively
                                         31,000                                             
      common shares .01 par value, 400,000,000 shares authorized, 174,667,870 and 163,956,675 shares issued and outstanding at december 31, 2015 and december 31, 2014, respectively
                                         1,747,000                                             
      investment in real estate venture, at equity
                                          90,825,000 92,371,000 93,918,000 95,709,000 98,321,000 101,013,000  156,310,000                                     
      other liabilities held for sale
                                          725,000        975,000            22,000    157,000   22,000 251,000                
      7.75% series a preferred shares .01 par value, 3,220,000 shares authorized, 3,100,000 shares issued and outstanding at september 30, 2015 and december 31, 2014, respectively
                                          31,000                                            
      common shares .01 par value, 400,000,000 shares authorized, 170,926,675 and 163,956,675 shares issued and outstanding at september 30, 2015 and december 31, 2014, respectively
                                          1,709,000                                            
      7.75% series a preferred shares .01 par value, 3,220,000 shares authorized, 3,100,000 shares issued and outstanding at june 30, 2015 and december 31, 2014 , respectively
                                           31,000                                           
      common shares .01 par value, 400,000,000 shares authorized, 167,438,435 and 163,956,675 shares issued and outstanding at june 30, 2015 and december 31, 2014, respectively
                                           1,674,000                                           
      7.75% series a preferred shares .01 par value, 3,220,000 shares authorized, 3,100,000 shares issued and outstanding at march 31, 2015 and december 31, 2014 , respectively
                                            31,000                                          
      common shares .01 par value, 200,000,000 shares authorized, 166,151,060 and 163,956,675 shares issued and outstanding at march 31, 2015 and december 31, 2014, respectively
                                            1,661,000                                          
      7.75% series a preferred shares .01 par value, 3,220,000 shares authorized, 3,100,000 shares issued and outstanding at december 31, 2014 and december 31, 2013, respectively
                                             31,000                                         
      common shares .01 par value, 200,000,000 shares authorized, 163,956,675 and 139,328,366 shares issued and outstanding at december 31, 2014 and december 31, 2013, respectively
                                             1,639,000                                         
      7.75% series a preferred shares .01 par value, 3,220,000 shares authorized, 3,100,000 shares issued and outstanding at september 30, 2014 and december 31, 2013, respectively
                                              31,000                                        
      common shares .01 par value, 200,000,000 shares authorized, 153,233,858 and 139,328,366 shares issued and outstanding at september 30, 2014 and december 31, 2013, respectively
                                              1,532,000                                        
      additional paid in capital
                                              1,781,518,000 1,669,327,000 1,589,994,000   1,457,271,000 1,436,378,000 1,418,463,000 1,357,888,000 1,315,424,000 1,310,755,000 1,309,505,000 1,030,847,000 1,028,640,000 1,027,594,000 1,026,952,000 998,894,000 977,211,000 976,145,000 974,926,000    801,029,000 800,039,000 799,300,000 798,734,000 797,940,000 797,262,000 796,076,000 794,901,000 797,039,000 797,543,000 797,103,000 795,244,000 399,312,000 396,932,000 396,797,000 396,662,000  
      7.75% series a preferred shares .01 par value, 3,220,000 shares authorized, 3,100,000 shares issued and outstanding at june 30, 2014 and december 31, 2013, respectively
                                               31,000                                       
      common shares .01 par value, 200,000,000 shares authorized, 147,078,392 and 139,328,366 shares issued and outstanding at june 30, 2014 and december 31, 2013, respectively
                                               1,471,000                                       
      7.75% series a preferred shares .01 par value, 3,220,000 shares authorized, 3,100,000 shares issued and outstanding at march 31, 2014 and december 31, 2013, respectively
                                                31,000                                      
      common shares .01 par value, 200,000,000 shares authorized, 142,206,897 and 139,328,366 shares issued and outstanding at march 31, 2014 and december 31, 2013, respectively
                                                1,422,000                                      
      noncontrolling interest in subsidiaries
                                                1,445,000   115,000 108,000 118,000 115,000 38,609,000 38,998,000 39,409,000 39,483,000 40,178,000 40,665,000  41,862,000 42,567,000 43,364,000                      
      7.75% series a preferred shares .01 par value, 3,220,000 shares authorized, 3,100,000 shares issued and outstanding at december 31, 2013 and december 31, 2012, respectively
                                                 31,000                                     
      common shares .01 par value, 200,000,000 shares authorized, 139,328,366 and 131,794,547 shares issued and outstanding at december 31, 2013 and december 31, 2012, respectively
                                                 1,393,000                                     
      7.75% series a preferred shares .01 par value, 3,220,000 shares authorized, 3,100,000 shares issued and outstanding at september 30, 2013 and december 31, 2012, respectively
                                                  31,000                                    
      common shares .01 par value, 200,000,000 shares authorized, 136,486,384 and 131,794,547 shares issued and outstanding at september 30, 2013 and december 31, 2012, respectively
                                                  1,365,000                                    
      7.75% series a preferred shares .01 par value, 3,220,000 shares authorized, 3,100,000 shares issued and outstanding at june 30, 2013 and december 31, 2012, respectively
                                                   31,000                                   
      common shares .01 par value, 200,000,000 shares authorized, 134,430,071 and 131,794,547 shares issued and outstanding at june 30, 2013 and december 31, 2012, respectively
                                                   1,344,000                                   
      7.75% series a preferred shares .01 par value, 3,220,000 shares authorized, 3,100,000 shares issued and outstanding at march 31, 2013 and december 31, 2012, respectively
                                                    31,000                                  
      common shares .01 par value, 200,000,000 shares authorized, 133,207,939 and 131,794,547 shares issued and outstanding at march 31, 2013 and december 31, 2012, respectively
                                                    1,332,000                                  
      unsecured term loan
                                                     500,000,000    400,000,000   200,000,000 200,000,000 200,000,000    200,000,000 200,000,000 200,000,000 200,000,000 200,000,000 200,000,000 200,000,000 200,000,000 200,000,000 200,000,000 200,000,000          
      7.75% series a preferred shares .01 par value, 3,220,000 shares authorized, 3,100,000 shares issued and outstanding at december 31, 2012 and december 31, 2011, respectively
                                                     31,000                                 
      common shares .01 par value, 200,000,000 shares authorized, 131,794,547 and 122,058,919 shares issued and outstanding at december 31, 2012 and december 31, 2011, respectively
                                                     1,318,000                                 
      7.75% series a preferred shares .01 par value, 3,220,000 shares authorized, 3,100,000 shares issued and outstanding at september 30, 2012 and december 31, 2011
                                                      31,000                                
      common shares .01 par value, 200,000,000 shares authorized, 127,430,047 and 122,058,919 shares issued and outstanding at september 30, 2012 and december 31, 2011, respectively
                                                      1,274,000                                
      unsecured senior notes, net of discounts
                                                       250,000,000                               
      7.75% series a preferred shares .01 par value, 3,220,000 shares authorized, 3,100,000 shares issued and outstanding at june 30, 2012 and december 31, 2011, respectively
                                                       31,000                               
      common shares .01 par value, 200,000,000 shares authorized, 122,684,788 and 122,058,919 shares issued and outstanding at june 30, 2012 and december 31, 2011, respectively
                                                       1,227,000                               
      7.75% series a preferred shares .01 par value, 3,220,000 shares authorized, 3,100,000 shares issued and outstanding at march 31, 2012 and december 31, 2011, respectively
                                                        31,000                              
      common shares .01 par value, 200,000,000 shares authorized, 122,390,764 and 122,058,919 shares issued and outstanding at march 31, 2012 and december 31, 2011, respectively
                                                        1,224,000                              
      7.75% series a preferred shares .01 par value, 3,220,000 shares authorized, 3,100,000 and 0 shares issued and outstanding at december 31, 2011 and december 31, 2010, respectively
                                                         31,000                             
      common shares .01 par value, 200,000,000 shares authorized, 122,058,919 and 98,596,796 shares issued and outstanding at december 31, 2011 and december 31, 2010, respectively
                                                         1,221,000                             
      common shares .01 par value, 200,000,000 shares authorized, 99,002,254 and 98,596,796 shares issued and outstanding at september 30, 2011 and december 31, 2010, respectively
                                                          990,000                            
      common shares .01 par value, 200,000,000 shares authorized, 98,854,160 and 98,596,796 shares issued and outstanding at june 30, 2011 and december 31, 2010, respectively
                                                           989,000                           
      total u-store-it trust shareholders’ equity
                                                           708,463,000 713,001,000 724,216,000 702,699,000 684,687,000 690,531,000 695,309,000 698,000,000                    
      common shares .01 par value, 200,000,000 shares authorized, 98,831,423 and 98,596,796 shares issued and outstanding at march 31, 2011 and december 31, 2010, respectively
                                                            988,000                          
      notes receivable
                                                               256,000 2,532,000 20,112,000                     
      secured term loan
                                                               200,000,000 200,000,000 200,000,000  46,447,000 57,419,000 57,419,000 57,419,000 57,419,000 47,444,000 47,444,000 47,444,000            
      common shares .01 par value, 200,000,000 shares authorized, 98,596,796 and 92,654,979 shares issued and outstanding at december 31, 2010 and december 31, 2009, respectively
                                                             986,000                         
      common shares .01 par value, 200,000,000 shares authorized, 95,435,132 and 92,654,979 shares issued and outstanding at september 30, 2010 and december 31, 2009, respectively
                                                              954,000                        
      common shares .01 par value, 200,000,000 shares authorized, 92,958,089 and 92,654,979 shares issued and outstanding at june 30, 2010 and december 31, 2009, respectively
                                                               930,000                       
      common shares .01 par value, 200,000,000 shares authorized, 92,902,133 and 92,654,979 shares issued and outstanding at march 31, 2010 and december 31, 2009, respectively
                                                                929,000                      
      liabilities related to assets held for sale
                                                                                      
      common shares .01 par value, 200,000,000 shares authorized, 92,654,979 and 57,623,491 shares issued and outstanding at december 31, 2009 and december 31, 2008, respectively
                                                                 927,000                     
      equity:
                                                                                      
      common shares .01 par value, 200,000,000 shares authorized, 92,382,990 and 57,623,491 shares issued and outstanding at september 30, 2009 and december 31, 2008, respectively
                                                                  923,000                    
      noncontrolling interests of the company
                                                                   45,649,000 45,833,000                  
      shareholders’ equity:
                                                                                      
      common shares .01 par value, 200,000,000 shares authorized, 60,137,647 and 57,623,491 shares issued and outstanding at june 30, 2009 and december 31, 2008, respectively
                                                                   601,000                   
      total shareholders’ equity
                                                                   529,636,000 521,473,000 522,928,000 528,614,000 533,389,000 540,472,000 555,619,000 572,379,000 592,482,000 607,756,000 649,810,000 670,078,000 686,601,000 703,004,000 333,911,000 342,659,000 350,714,000   
      common shares .01 par value, 200,000,000 shares authorized, 57,687,122 and 57,623,491 shares issued and outstanding at march 31, 2009 and december 31, 2008, respectively
                                                                    577,000                  
      loan procurement costs - net of amortization
                                                                     4,453,000 4,781,000 5,284,000 5,648,000 6,108,000 6,390,000 6,673,000           
      liabilities and shareholders’ equity
                                                                                      
      due to related parties
                                                                         110,000 110,000 119,000 119,000          
      minority interests, including unitholders in the operating partnership
                                                                     46,026,000                 
      shareholders’ equity
                                                                                      
      common shares .01 par value, 200,000,000 shares authorized, 57,623,491 and 57,577,232 shares issued and outstanding at december 31, 2008 and december 31, 2007, respectively
                                                                     576,000                 
      total liabilities and shareholders’ equity
                                                                     1,597,659,000 1,623,022,000 1,657,425,000 1,681,755,000 1,687,831,000 1,698,729,000 1,587,558,000 1,607,435,000 1,624,765,000 1,551,179,000 1,512,329,000 1,481,488,000 1,192,132,000 879,613,000 818,673,000   
      accumulated depreciation
                                                                                      
      other assets - net of amortization
                                                                      8,279,000 10,031,000               
      accounts payable and accrued expenses
                                                                      33,825,000 28,098,000  33,623,000 27,494,000 21,868,000 20,994,000 22,465,000 19,262,000 16,206,000 18,798,000 18,557,000 12,234,000 9,698,000 10,958,000 13,254,000 
      minority interests
                                                                      46,681,000 47,124,000 47,770,000 48,982,000 50,449,000 52,921,000 55,009,000 58,962,000 60,759,000        
      common shares .01 par value, 200,000,000 shares authorized, 57,635,161 and 57,577,232 shares issued and outstanding at september 30, 2008 and december 31, 2007, respectively
                                                                      576,000                
      common shares .01 par value, 200,000,000 shares authorized, 57,620,495 and 57,577,232 shares issued and outstanding at june 30, 2008 and december 31, 2007, respectively
                                                                       576,000               
      accounts payable, accrued expenses and other
                                                                        28,537,000              
      common shares .01 par value, 200,000,000 shares authorized, 57,590,792 and 57,577,232 shares issued and outstanding at march 31, 2008 and december 31, 2007, respectively
                                                                        576,000              
      due from related parties
                                                                           1,358,000 554,000 307,000 353,000        
      common shares .01 par value, 200,000,000 shares authorized, 57,577,232 and 57,335,490 shares issued and outstanding at december 31, 2007 and december 31, 2006, respectively
                                                                         576,000             
      common shares .01 par value, 200,000,000 shares authorized, 57,574,851 and 57,335,490 shares issued and outstanding at september 30, 2007 and december 31, 2006, respectively
                                                                          576,000            
      common shares .01 par value, 200,000,000 shares authorized, 57,495,530 and 57,335,490 shares issued and outstanding at june 30, 2007 and december 31, 2006, respectively
                                                                           575,000           
      loan procurement costs—net of amortization
                                                                            7,132,000 7,541,000 9,298,000 9,714,000   6,932,000 7,210,000 7,624,000  
      common shares .01 par value, 200,000,000 shares authorized, 57,408,819 and 57,335,490 shares issued and outstanding at march 31, 2007 and december 31, 2006, respectively
                                                                            574,000          
      storage facilities—net
                                                                             1,577,971,000 1,504,919,000 1,459,183,000  1,141,895,000 847,539,000 791,131,000 729,155,000  
      liabilities
                                                                                      
      loans payable
                                                                             693,694,000 685,423,000 673,828,000 669,282,000 632,660,000 489,372,000 421,400,000 380,496,000 549,510,000 
      due to related party
                                                                             103,000 94,000        
      common shares, .01 par value, 200,000,000 shares authorized, 57,295,490 and 57,010,162 shares issued and outstanding at september 30, 2006 and december 31, 2005, respectively
                                                                             573,000         
      common shares, .01 par value, 200,000,000 shares authorized, 57,206,517 and 57,010,162 shares issued and outstanding at june 30, 2006 and december 31, 2005, respectively
                                                                              572,000        
      unearned share grant compensation
                                                                              -1,856,000 -1,582,000 -1,557,000 -21,000 -82,000 -145,000 -225,000  
      other assets due from related parties
                                                                               678,000 355,000      
      accounts payable and accrued expenses due to related party
                                                                               83,000 74,000      
      rents received in advance
                                                                               9,981,000 8,857,000 8,436,000 6,917,000 6,319,000 5,835,000 4,573,000 
      minority interest
                                                                               62,295,000 64,108,000 14,799,000 17,275,000 19,327,000 11,062,000  
      common shares, .01 par value, 200,000,000 shares authorized, 57,175,267 and 57,010,162 shares issued and outstanding at march 31, 2006 and december 31, 2005, respectively
                                                                               572,000       
      storage facilities — net
                                                                                1,246,295,000     510,398,000 
      loan procurement costs — net of amortization
                                                                                10,437,000      
      capital lease obligations
                                                                                56,000 72,000 90,000 114,000 156,000 182,000 
      common shares, .01 par value, 200,000,000 shares authorized, 57,010,162 in 2005 and 37,345,162 in 2004 issued and outstanding
                                                                                570,000      
      loan procurement costs—net
                                                                                 8,993,000     
      conditionally redeemable operating partnership units
                                                                                 64,158,000     
      common shares, .01 par value, 200,000,000 shares authorized, 37,345,162 issued and outstanding
                                                                                 373,000 373,000 373,000 373,000  
      retained deficit
                                                                                 -65,753,000 -54,564,000 -46,311,000 -37,430,000  
      cash
                                                                                  5,808,000 8,251,000 28,485,000 4,400,000 
      liabilities and shareholders’/owners’ equity
                                                                                      
      accrued management fees—related parties
                                                                                      
      shareholders’/owners’ equity
                                                                                      
      owners’ equity
                                                                                      
      total shareholders’/owners’ equity
                                                                                    359,380,000  
      total liabilities and shareholders’/owners’ equity
                                                                                    775,874,000  
      loan procurement costs — net of amortization of 5,385 at september 30 and 3,633 at december 31
                                                                                     8,558,000 
      total
                                                                                     536,366,000 
      liabilities and accumulated equity
                                                                                      
      accrued management fees — related parties
                                                                                     380,000 
      notes payable — related party
                                                                                     2,300,000 
      accumulated equity
                                                                                     -34,197,000 
      revenues:
                                                                                      
      rental income
                                                                                     21,277,000 
      other property related income
                                                                                     1,004,000 
      total revenues
                                                                                     22,281,000 
      operating expenses:
                                                                                      
      property operating expenses
                                                                                     7,879,000 
      depreciation
                                                                                     5,322,000 
      management fees to related party
                                                                                     1,185,000 
      total operating expenses
                                                                                     14,386,000 
      operating income
                                                                                     7,895,000 
      other income:
                                                                                      
      interest income
                                                                                     67,000 
      interest expense
                                                                                     -7,298,000 
      loan procurement amortization expense
                                                                                     -2,935,000 
      total other income
                                                                                     -10,166,000 
      income from continuing operations
                                                                                     -2,271,000 
      discountinued operations
                                                                                      
      income from operations
                                                                                      
      gain on sale of storage facilities
                                                                                      
      income from discontinued operations
                                                                                      
      net income
                                                                                     -2,271,000 
    The information provided in this report is taken from www.sec.gov and many other data providers. While we have conducted our best efforts to ensure that the parsed data is accurate, we cannot guarantee its accuracy. Please use caution and understand that any consequences of its use are your own responsibility.