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Real Estate and Accumulated Depreciation (Details) (USD $)
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Real Estate and Accumulated Depreciation [Line Items]    
Fixtures and Equipment, Gross $ 1,292,124,000 $ 1,231,391,000
Land And Depreciable Property Net 11,400,000,000 10,900,000,000
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Corona, CA  
Military Housing Properties 2  
Military Housing Units 4,901  
400 Park Aveue South (EQR) [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location New York, NY  
Date of Constuction (F)  
Real Estate And Accumulated Depreciation Units 0  
Initial Cost to Company, Land 76,292,169  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,273,531  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 0  
Gross Amount Carried at close of period 12/31/2010, Land 76,292,169  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 1,273,531  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 77,565,700  
Accumulated Depreciation 0  
Investment in Real Estate Net 77,565,700  
Encumbrances 0  
400 Park Aveue South (Toll) [Member] [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location New York, NY  
Date of Constuction (F)  
Real Estate And Accumulated Depreciation Units 0  
Initial Cost to Company, Land 58,090,357  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 0  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 0  
Gross Amount Carried at close of period 12/31/2010, Land 58,090,357  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 0  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 58,090,357  
Accumulated Depreciation 0  
Investment in Real Estate Net 58,090,357  
Encumbrances 0  
Reserve at Empire Lakes [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Rancho Cucamonga, CA  
Date of Constuction 2005  
Real Estate And Accumulated Depreciation Units 467  
Initial Cost to Company, Land 16,345,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 73,080,670  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,563,160  
Gross Amount Carried at close of period 12/31/2010, Land 16,345,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 74,643,830  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 90,988,830  
Accumulated Depreciation (18,094,411)  
Investment in Real Estate Net 72,894,419  
Reserve at Fairfax Corners [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Fairfax, VA  
Date of Constuction 2001  
Real Estate And Accumulated Depreciation Units 652  
Initial Cost to Company, Land 15,804,057  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 63,129,051  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,789,752  
Gross Amount Carried at close of period 12/31/2010, Land 15,804,057  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 65,918,803  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 81,722,860  
Accumulated Depreciation (22,334,850)  
Investment in Real Estate Net 59,388,010  
Encumbrances 84,778,875  
Reserve at Potomac Yard [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Alexandria, VA  
Date of Constuction 2002  
Real Estate And Accumulated Depreciation Units 588  
Initial Cost to Company, Land 11,918,917  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 68,862,641  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 4,860,030  
Gross Amount Carried at close of period 12/31/2010, Land 11,918,917  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 73,722,671  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 85,641,588  
Accumulated Depreciation (20,497,931)  
Investment in Real Estate Net 65,143,657  
Encumbrances 66,470,000  
Reserve at Town Center [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Mill Creek, WA  
Date of Constuction 2001  
Real Estate And Accumulated Depreciation Units 389  
Initial Cost to Company, Land 10,369,400  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 41,172,081  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,724,572  
Gross Amount Carried at close of period 12/31/2010, Land 10,369,400  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 42,896,653  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 53,266,053  
Accumulated Depreciation (12,420,185)  
Investment in Real Estate Net 40,845,868  
Encumbrances 29,160,000  
Rianna II [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Seattle, WA (G)  
Date of Constuction 2002  
Real Estate And Accumulated Depreciation Units 78  
Initial Cost to Company, Land 2,161,840  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 14,433,614  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 45,932  
Gross Amount Carried at close of period 12/31/2010, Land 2,161,840  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 14,479,546  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 16,641,386  
Accumulated Depreciation (1,731,383)  
Investment in Real Estate Net 14,910,003  
Encumbrances 10,305,157  
Rockingham Glen [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location West Roxbury, MA  
Date of Constuction 1974  
Real Estate And Accumulated Depreciation Units 143  
Initial Cost to Company, Land 1,124,217  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,515,160  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,721,493  
Gross Amount Carried at close of period 12/31/2010, Land 1,124,217  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 9,236,653  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 10,360,870  
Accumulated Depreciation (4,122,488)  
Investment in Real Estate Net 6,238,382  
Encumbrances 1,281,181  
Rolling Green (Amherst) [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Amherst, MA  
Date of Constuction 1970  
Real Estate And Accumulated Depreciation Units 204  
Initial Cost to Company, Land 1,340,702  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,962,317  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,427,182  
Gross Amount Carried at close of period 12/31/2010, Land 1,340,702  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 12,389,499  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 13,730,201  
Accumulated Depreciation (5,922,934)  
Investment in Real Estate Net 7,807,267  
Encumbrances 1,938,119  
Rolling Green (Milford) [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Milford, MA  
Date of Constuction 1970  
Real Estate And Accumulated Depreciation Units 304  
Initial Cost to Company, Land 2,012,350  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,452,150  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 4,468,232  
Gross Amount Carried at close of period 12/31/2010, Land 2,012,350  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 17,920,382  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 19,932,732  
Accumulated Depreciation (8,147,381)  
Investment in Real Estate Net 11,785,351  
Encumbrances 4,131,247  
San Marcos Apartments [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Scottsdale, AZ  
Date of Constuction 1995  
Real Estate And Accumulated Depreciation Units 320  
Initial Cost to Company, Land 20,000,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 31,261,609  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,509,168  
Gross Amount Carried at close of period 12/31/2010, Land 20,000,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 32,770,777  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 52,770,777  
Accumulated Depreciation (8,842,012)  
Investment in Real Estate Net 43,928,765  
Encumbrances 32,900,000  
Savannah Lakes [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Boynton Beach, FL  
Date of Constuction 1991  
Real Estate And Accumulated Depreciation Units 466  
Initial Cost to Company, Land 7,000,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 30,263,310  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 5,847,909  
Gross Amount Carried at close of period 12/31/2010, Land 7,000,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 36,111,219  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 43,111,219  
Accumulated Depreciation (13,118,776)  
Investment in Real Estate Net 29,992,443  
Encumbrances 36,610,000  
Savannah Midtown [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Atlanta, GA  
Date of Constuction 2000  
Real Estate And Accumulated Depreciation Units 322  
Initial Cost to Company, Land 7,209,873  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 29,371,164  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,796,529  
Gross Amount Carried at close of period 12/31/2010, Land 7,209,873  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 32,167,693  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 39,377,566  
Accumulated Depreciation (9,774,166)  
Investment in Real Estate Net 29,603,400  
Encumbrances 17,800,000  
Savoy I [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Aurora, CO  
Date of Constuction 2001  
Real Estate And Accumulated Depreciation Units 444  
Initial Cost to Company, Land 5,450,295  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 38,765,670  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,297,824  
Gross Amount Carried at close of period 12/31/2010, Land 5,450,295  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 41,063,494  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 46,513,789  
Accumulated Depreciation (12,563,141)  
Investment in Real Estate Net 33,950,648  
Sheffield Court [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Arlington, VA  
Date of Constuction 1986  
Real Estate And Accumulated Depreciation Units 597  
Initial Cost to Company, Land 3,342,381  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 31,337,332  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 10,473,862  
Gross Amount Carried at close of period 12/31/2010, Land 3,342,381  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 41,811,194  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 45,153,575  
Accumulated Depreciation (23,499,476)  
Investment in Real Estate Net 21,654,099  
Sonata at Cherry Creek [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Denver, CO  
Date of Constuction 1999  
Real Estate And Accumulated Depreciation Units 183  
Initial Cost to Company, Land 5,490,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 18,130,479  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,264,429  
Gross Amount Carried at close of period 12/31/2010, Land 5,490,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 19,394,908  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 24,884,908  
Accumulated Depreciation (7,685,155)  
Investment in Real Estate Net 17,199,753  
Encumbrances 19,190,000  
Sonterra At Foothill Ranch [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Foothill Ranch, CA  
Date of Constuction 1997  
Real Estate And Accumulated Depreciation Units 300  
Initial Cost to Company, Land 7,503,400  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 24,048,507  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,610,524  
Gross Amount Carried at close of period 12/31/2010, Land 7,503,400  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 25,659,031  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 33,162,431  
Accumulated Depreciation (12,408,332)  
Investment in Real Estate Net 20,754,099  
South Winds [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Fall River, MA  
Date of Constuction 1971  
Real Estate And Accumulated Depreciation Units 404  
Initial Cost to Company, Land 2,481,821  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,780,359  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 4,016,098  
Gross Amount Carried at close of period 12/31/2010, Land 2,481,821  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 20,796,457  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 23,278,278  
Accumulated Depreciation (9,547,635)  
Investment in Real Estate Net 13,730,643  
Encumbrances 3,892,847  
Stonegate C O [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Broomfield, CO  
Date of Constuction 2003  
Real Estate And Accumulated Depreciation Units 350  
Initial Cost to Company, Land 8,750,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 32,998,775  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,848,652  
Gross Amount Carried at close of period 12/31/2010, Land 8,750,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 35,847,427  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 44,597,427  
Accumulated Depreciation (10,226,676)  
Investment in Real Estate Net 34,370,751  
Stoney Ridge [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Dale City, VA  
Date of Constuction 1985  
Real Estate And Accumulated Depreciation Units 264  
Initial Cost to Company, Land 8,000,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 24,147,091  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 5,439,826  
Gross Amount Carried at close of period 12/31/2010, Land 8,000,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 29,586,917  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 37,586,917  
Accumulated Depreciation (9,419,073)  
Investment in Real Estate Net 28,167,844  
Encumbrances 14,746,374  
Stonybrook [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Boynton Beach, FL  
Date of Constuction 2001  
Real Estate And Accumulated Depreciation Units 264  
Initial Cost to Company, Land 10,500,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 24,967,638  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,077,280  
Gross Amount Carried at close of period 12/31/2010, Land 10,500,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 26,044,918  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 36,544,918  
Accumulated Depreciation (7,136,693)  
Investment in Real Estate Net 29,408,225  
Encumbrances 20,371,693  
Summerhill Glen [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Maynard, MA  
Date of Constuction 1980  
Real Estate And Accumulated Depreciation Units 120  
Initial Cost to Company, Land 415,812  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,000,816  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 795,902  
Gross Amount Carried at close of period 12/31/2010, Land 415,812  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 3,796,718  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 4,212,530  
Accumulated Depreciation (1,787,805)  
Investment in Real Estate Net 2,424,725  
Encumbrances 1,044,076  
Summerset Village [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Chatsworth, CA  
Date of Constuction 1985  
Real Estate And Accumulated Depreciation Units 280  
Initial Cost to Company, Land 2,629,804  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 23,670,889  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 4,102,785  
Gross Amount Carried at close of period 12/31/2010, Land 2,629,804  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 27,773,674  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 30,403,478  
Accumulated Depreciation (14,824,486)  
Investment in Real Estate Net 15,578,992  
Encumbrances 38,039,912  
Summit at Lake Union [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Seattle, WA  
Date of Constuction 1995 -1997  
Real Estate And Accumulated Depreciation Units 150  
Initial Cost to Company, Land 1,424,700  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,852,461  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,752,142  
Gross Amount Carried at close of period 12/31/2010, Land 1,424,700  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 16,604,603  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 18,029,303  
Accumulated Depreciation (8,410,967)  
Investment in Real Estate Net 9,618,336  
Sunforest [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Davie, FL  
Date of Constuction 1989  
Real Estate And Accumulated Depreciation Units 494  
Initial Cost to Company, Land 10,000,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 32,124,850  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 4,492,406  
Gross Amount Carried at close of period 12/31/2010, Land 10,000,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 36,617,256  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 46,617,256  
Accumulated Depreciation (12,704,849)  
Investment in Real Estate Net 33,912,407  
Sunforest II [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Davie, FL  
Date of Constuction (F)  
Real Estate And Accumulated Depreciation Units 0  
Initial Cost to Company, Land 0  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 355,520  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 0  
Gross Amount Carried at close of period 12/31/2010, Land 0  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 355,520  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 355,520  
Accumulated Depreciation 0  
Investment in Real Estate Net 355,520  
Talleyrand [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Tarrytown, NY (I)  
Date of Constuction 1997-1998  
Real Estate And Accumulated Depreciation Units 300  
Initial Cost to Company, Land 12,000,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 49,838,160  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,809,456  
Gross Amount Carried at close of period 12/31/2010, Land 12,000,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 53,647,616  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 65,647,616  
Accumulated Depreciation (19,860,971)  
Investment in Real Estate Net 45,786,645  
Encumbrances 35,000,000  
Teresina [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Chula Vista, CA  
Date of Constuction 2000  
Real Estate And Accumulated Depreciation Units 440  
Initial Cost to Company, Land 28,600,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 61,916,670  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,938,218  
Gross Amount Carried at close of period 12/31/2010, Land 28,600,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 63,854,888  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 92,454,888  
Accumulated Depreciation (16,411,428)  
Investment in Real Estate Net 76,043,460  
Encumbrances 43,424,197  
Touriel Building [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Berkeley, CA (G)  
Date of Constuction 2004  
Real Estate And Accumulated Depreciation Units 35  
Initial Cost to Company, Land 2,736,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,810,027  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 120,712  
Gross Amount Carried at close of period 12/31/2010, Land 2,736,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 7,930,739  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 10,666,739  
Accumulated Depreciation (1,731,390)  
Investment in Real Estate Net 8,935,349  
Encumbrances 5,050,000  
Town Square at Mark Center I [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Alexandria, VA  
Date of Constuction 1996  
Real Estate And Accumulated Depreciation Units 406  
Initial Cost to Company, Land 24,360,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 86,178,714  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,534,882  
Gross Amount Carried at close of period 12/31/2010, Land 24,360,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 88,713,596  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 113,073,596  
Accumulated Depreciation (22,922,510)  
Investment in Real Estate Net 90,151,086  
Encumbrances 64,680,000  
town center at mark center phase II [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Alexandria, VA  
Date of Constuction 2001  
Real Estate And Accumulated Depreciation Units 272  
Initial Cost to Company, Land 15,568,464  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 55,029,607  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 194,734  
Gross Amount Carried at close of period 12/31/2010, Land 15,568,464  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 55,224,341  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 70,792,805  
Accumulated Depreciation (5,679,993)  
Investment in Real Estate Net 65,112,812  
Encumbrances 46,013,583  
Tradition at Alafaya [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Oviedo, FL  
Date of Constuction 2006  
Real Estate And Accumulated Depreciation Units 253  
Initial Cost to Company, Land 7,590,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 31,881,505  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 289,137  
Gross Amount Carried at close of period 12/31/2010, Land 7,590,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 32,170,642  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 39,760,642  
Accumulated Depreciation (9,148,562)  
Investment in Real Estate Net 30,612,080  
Tuscany at Lindbergh [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Atlanta, GA  
Date of Constuction 2001  
Real Estate And Accumulated Depreciation Units 324  
Initial Cost to Company, Land 9,720,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 40,874,023  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,915,043  
Gross Amount Carried at close of period 12/31/2010, Land 9,720,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 42,789,066  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 52,509,066  
Accumulated Depreciation (13,014,206)  
Investment in Real Estate Net 39,494,860  
Encumbrances 32,360,000  
Uptown Square [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Denver, CO (G)  
Date of Constuction 1999/2001  
Real Estate And Accumulated Depreciation Units 696  
Initial Cost to Company, Land 17,492,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 100,696,541  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,529,750  
Gross Amount Carried at close of period 12/31/2010, Land 17,492,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 103,226,291  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 120,718,291  
Accumulated Depreciation (28,417,401)  
Investment in Real Estate Net 92,300,890  
Encumbrances 88,550,000  
Versailles [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Woodland Hills, CA  
Date of Constuction 1991  
Real Estate And Accumulated Depreciation Units 253  
Initial Cost to Company, Land 12,650,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 33,656,292  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 4,126,653  
Gross Amount Carried at close of period 12/31/2010, Land 12,650,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 37,782,945  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 50,432,945  
Accumulated Depreciation (12,624,925)  
Investment in Real Estate Net 37,808,020  
Encumbrances 30,372,953  
Virgil Square [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Los Angeles, CA  
Date of Constuction 1979  
Real Estate And Accumulated Depreciation Units 142  
Initial Cost to Company, Land 5,500,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 15,216,613  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,559,212  
Gross Amount Carried at close of period 12/31/2010, Land 5,500,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 16,775,825  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 22,275,825  
Accumulated Depreciation (4,665,674)  
Investment in Real Estate Net 17,610,151  
Encumbrances 9,900,000  
Strayhorse at Arrowhead Ranch [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Glendale, AZ  
Date of Constuction 1998  
Real Estate And Accumulated Depreciation Units 136  
Initial Cost to Company, Land 4,400,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,968,001  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 268,668  
Gross Amount Carried at close of period 12/31/2010, Land 4,400,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 13,236,669  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 17,636,669  
Accumulated Depreciation (3,181,411)  
Investment in Real Estate Net 14,455,258  
Encumbrances 0  
Surrey Downs [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Bellevue, WA  
Date of Constuction 1986  
Real Estate And Accumulated Depreciation Units 122  
Initial Cost to Company, Land 3,057,100  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,848,618  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,148,814  
Gross Amount Carried at close of period 12/31/2010, Land 3,057,100  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 9,997,432  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 13,054,532  
Accumulated Depreciation (4,730,062)  
Investment in Real Estate Net 8,324,470  
Encumbrances 9,829,000  
Scottsdale Meadows [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Scottsdale, AZ  
Date of Constuction 1984  
Real Estate And Accumulated Depreciation Units 168  
Initial Cost to Company, Land 1,512,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,423,349  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,695,333  
Gross Amount Carried at close of period 12/31/2010, Land 1,512,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 13,118,682  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 14,630,682  
Accumulated Depreciation (6,778,792)  
Investment in Real Estate Net 7,851,890  
Encumbrances 9,270,000  
Schooner Bay Two [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Foster City, CA  
Date of Constuction 1985  
Real Estate And Accumulated Depreciation Units 144  
Initial Cost to Company, Land 4,550,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 18,064,764  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,552,438  
Gross Amount Carried at close of period 12/31/2010, Land 4,550,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 21,617,202  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 26,167,202  
Accumulated Depreciation (7,903,256)  
Investment in Real Estate Net 18,263,946  
Encumbrances 26,175,000  
Schooner Bay One [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Foster City, CA  
Date of Constuction 1985  
Real Estate And Accumulated Depreciation Units 168  
Initial Cost to Company, Land 5,345,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 20,390,618  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,819,571  
Gross Amount Carried at close of period 12/31/2010, Land 5,345,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 24,210,189  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 29,555,189  
Accumulated Depreciation (8,765,022)  
Investment in Real Estate Net 20,790,167  
Encumbrances 28,870,000  
Rosecliff [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Quincy, MA  
Date of Constuction 1990  
Real Estate And Accumulated Depreciation Units 156  
Initial Cost to Company, Land 5,460,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 15,721,570  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,744,506  
Gross Amount Carried at close of period 12/31/2010, Land 5,460,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 17,466,076  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 22,926,076  
Accumulated Depreciation (7,527,276)  
Investment in Real Estate Net 15,398,800  
Encumbrances 17,400,000  
Montclair Metro [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Montclair, NJ  
Date of Constuction 2009  
Real Estate And Accumulated Depreciation Units 163  
Initial Cost to Company, Land 2,400,887  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 43,605,687  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 41,720  
Gross Amount Carried at close of period 12/31/2010, Land 2,400,887  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 43,647,407  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 46,048,294  
Accumulated Depreciation (4,016,385)  
Investment in Real Estate Net 42,031,909  
Encumbrances 33,418,656  
Lantern Cove [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Foster City, CA  
Date of Constuction 1985  
Real Estate And Accumulated Depreciation Units 232  
Initial Cost to Company, Land 6,945,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 23,064,976  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,858,408  
Gross Amount Carried at close of period 12/31/2010, Land 6,945,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 26,923,384  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 33,868,384  
Accumulated Depreciation (10,048,742)  
Investment in Real Estate Net 23,819,642  
Encumbrances 36,455,000  
Canyon Creek C [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location San Ramon, CA  
Date of Constuction 1984  
Real Estate And Accumulated Depreciation Units 268  
Initial Cost to Company, Land 5,425,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 18,812,121  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 6,048,256  
Gross Amount Carried at close of period 12/31/2010, Land 5,425,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 24,860,377  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 30,285,377  
Accumulated Depreciation (9,367,456)  
Investment in Real Estate Net 20,917,921  
Encumbrances 28,200,000  
Bellevue Meadows [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Bellevue, WA  
Date of Constuction 1983  
Real Estate And Accumulated Depreciation Units 180  
Initial Cost to Company, Land 4,507,100  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,574,814  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 4,168,565  
Gross Amount Carried at close of period 12/31/2010, Land 4,507,100  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 16,743,379  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 21,250,479  
Accumulated Depreciation (8,102,753)  
Investment in Real Estate Net 13,147,726  
Encumbrances 16,538,000  
Willow Brook C [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Pleasant Hill, CA  
Date of Constuction 1985  
Real Estate And Accumulated Depreciation Units 228  
Initial Cost to Company, Land 5,055,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 38,388,672  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,571,207  
Gross Amount Carried at close of period 12/31/2010, Land 5,055,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 40,959,879  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 46,014,879  
Accumulated Depreciation (11,732,931)  
Investment in Real Estate Net 34,281,948  
Encumbrances 0  
Partially Owned Unencumbered [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Units 1,917  
Initial Cost to Company, Land 195,786,350  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 225,058,663  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 20,484,054  
Gross Amount Carried at close of period 12/31/2010, Land 195,786,350  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 245,542,717  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 441,329,067  
Accumulated Depreciation (73,969,422)  
Investment in Real Estate Net 367,359,645  
Encumbrances 0  
Isle at Arrowhead Ranch [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Glendale, AZ  
Date of Constuction 1996  
Real Estate And Accumulated Depreciation Units 256  
Initial Cost to Company, Land 1,650,237  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 19,593,123  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,820,738  
Gross Amount Carried at close of period 12/31/2010, Land 1,650,237  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 21,413,861  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 23,064,098  
Accumulated Depreciation (10,657,381)  
Investment in Real Estate Net 12,406,717  
Encumbrances 17,700,000  
Preserve at Briarcliff [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Atlanta, GA  
Date of Constuction 1994  
Real Estate And Accumulated Depreciation Units 182  
Initial Cost to Company, Land 6,370,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,766,322  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 701,402  
Gross Amount Carried at close of period 12/31/2010, Land 6,370,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 18,467,724  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 24,837,724  
Accumulated Depreciation (4,701,357)  
Investment in Real Estate Net 20,136,367  
Encumbrances 0  
Hudson Crossing Two [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location New York, NY  
Date of Constuction (F)  
Real Estate And Accumulated Depreciation Units 0  
Initial Cost to Company, Land 5,000,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 0  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 0  
Gross Amount Carried at close of period 12/31/2010, Land 5,000,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 0  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 5,000,000  
Accumulated Depreciation 0  
Investment in Real Estate Net 5,000,000  
Encumbrances 0  
Monterra in Mill Creek [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Mill Creek, WA  
Date of Constuction 2003  
Real Estate And Accumulated Depreciation Units 139  
Initial Cost to Company, Land 2,800,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,255,123  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 264,501  
Gross Amount Carried at close of period 12/31/2010, Land 2,800,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 13,519,624  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 16,319,624  
Accumulated Depreciation (3,688,448)  
Investment in Real Estate Net 12,631,176  
Encumbrances 0  
Fox Ridge [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Englewood, CO  
Date of Constuction 1984  
Real Estate And Accumulated Depreciation Units 300  
Initial Cost to Company, Land 2,490,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,522,114  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,513,373  
Gross Amount Carried at close of period 12/31/2010, Land 2,490,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 21,035,487  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 23,525,487  
Accumulated Depreciation (9,051,210)  
Investment in Real Estate Net 14,474,277  
Encumbrances 0  
Country Oaks [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Agoura Hills, CA  
Date of Constuction 1985  
Real Estate And Accumulated Depreciation Units 256  
Initial Cost to Company, Land 6,105,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 29,561,865  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,283,088  
Gross Amount Carried at close of period 12/31/2010, Land 6,105,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 32,844,953  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 38,949,953  
Accumulated Depreciation (11,978,857)  
Investment in Real Estate Net 26,971,096  
Encumbrances 0  
Copper Creek [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Tempe, AZ  
Date of Constuction 1984  
Real Estate And Accumulated Depreciation Units 144  
Initial Cost to Company, Land 1,017,400  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,158,260  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,948,215  
Gross Amount Carried at close of period 12/31/2010, Land 1,017,400  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 11,106,475  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 12,123,875  
Accumulated Depreciation (6,030,660)  
Investment in Real Estate Net 6,093,215  
Encumbrances 0  
Canyon Ridge [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location San Diego, CA  
Date of Constuction 1989  
Real Estate And Accumulated Depreciation Units 162  
Initial Cost to Company, Land 4,869,448  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,955,063  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,820,884  
Gross Amount Carried at close of period 12/31/2010, Land 4,869,448  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 13,775,947  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 18,645,395  
Accumulated Depreciation (7,072,766)  
Investment in Real Estate Net 11,572,629  
Encumbrances 0  
Butterfield Ranch [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Chino Hills, CA  
Date of Constuction (F)  
Real Estate And Accumulated Depreciation Units 0  
Initial Cost to Company, Land 15,617,709  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,458,157  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 0  
Gross Amount Carried at close of period 12/31/2010, Land 15,617,709  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 4,458,157  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 20,075,866  
Accumulated Depreciation 0  
Investment in Real Estate Net 20,075,866  
Encumbrances 0  
Via Ventura [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Scottsdale, AZ  
Date of Constuction 1980  
Real Estate And Accumulated Depreciation Units 328  
Initial Cost to Company, Land 1,351,785  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,382,006  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 8,124,724  
Gross Amount Carried at close of period 12/31/2010, Land 1,351,785  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 21,506,730  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 22,858,515  
Accumulated Depreciation (15,047,425)  
Investment in Real Estate Net 7,811,090  
Village at Lakewood [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Phoenix, AZ  
Date of Constuction 1988  
Real Estate And Accumulated Depreciation Units 240  
Initial Cost to Company, Land 3,166,411  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,859,090  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,288,898  
Gross Amount Carried at close of period 12/31/2010, Land 3,166,411  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 16,147,988  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 19,314,399  
Accumulated Depreciation (8,345,890)  
Investment in Real Estate Net 10,968,509  
Vintage [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Ontario, CA  
Date of Constuction 2005-2007  
Real Estate And Accumulated Depreciation Units 300  
Initial Cost to Company, Land 7,059,230  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 47,677,762  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 246,411  
Gross Amount Carried at close of period 12/31/2010, Land 7,059,230  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 47,924,173  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 54,983,403  
Accumulated Depreciation (10,944,256)  
Investment in Real Estate Net 44,039,147  
Encumbrances 33,000,000  
Warwick Station [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Westminster, CO  
Date of Constuction 1986  
Real Estate And Accumulated Depreciation Units 332  
Initial Cost to Company, Land 2,274,121  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 21,113,974  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,143,399  
Gross Amount Carried at close of period 12/31/2010, Land 2,274,121  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 24,257,373  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 26,531,494  
Accumulated Depreciation (12,481,108)  
Investment in Real Estate Net 14,050,386  
Encumbrances 8,355,000  
Westgate Pasadena Apartments [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Pasadena, CA  
Date of Constuction 2010  
Real Estate And Accumulated Depreciation Units 480  
Initial Cost to Company, Land 22,898,848  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 133,521,158  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 22,444  
Gross Amount Carried at close of period 12/31/2010, Land 22,898,848  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 133,543,602  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 156,442,450  
Accumulated Depreciation (4,615,636)  
Investment in Real Estate Net 151,826,814  
Encumbrances 97,145,000  
Westwood Glen [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Westwood, MA  
Date of Constuction 1972  
Real Estate And Accumulated Depreciation Units 156  
Initial Cost to Company, Land 1,616,505  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,806,004  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,729,627  
Gross Amount Carried at close of period 12/31/2010, Land 1,616,505  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 12,535,631  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 14,152,136  
Accumulated Depreciation (4,951,551)  
Investment in Real Estate Net 9,200,585  
Encumbrances 223,541  
Whisper Creek [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Denver, CO  
Date of Constuction 2002  
Real Estate And Accumulated Depreciation Units 272  
Initial Cost to Company, Land 5,310,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 22,998,558  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 988,597  
Gross Amount Carried at close of period 12/31/2010, Land 5,310,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 23,987,155  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 29,297,155  
Accumulated Depreciation (6,870,894)  
Investment in Real Estate Net 22,426,261  
Encumbrances 13,580,000  
Wilkins Glen [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Medfield, MA  
Date of Constuction 1975  
Real Estate And Accumulated Depreciation Units 103  
Initial Cost to Company, Land 538,483  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,629,943  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,528,761  
Gross Amount Carried at close of period 12/31/2010, Land 538,483  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 5,158,704  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 5,697,187  
Accumulated Depreciation (2,335,788)  
Investment in Real Estate Net 3,361,399  
Encumbrances 882,098  
Windridge C A [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Laguna Niguel, CA  
Date of Constuction 1989  
Real Estate And Accumulated Depreciation Units 344  
Initial Cost to Company, Land 2,662,900  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 23,985,497  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 6,723,847  
Gross Amount Carried at close of period 12/31/2010, Land 2,662,900  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 30,709,344  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 33,372,244  
Accumulated Depreciation (17,637,598)  
Investment in Real Estate Net 15,734,646  
Woodlake W A [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Kirkland, WA  
Date of Constuction 1984  
Real Estate And Accumulated Depreciation Units 288  
Initial Cost to Company, Land 6,631,400  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,735,484  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,897,667  
Gross Amount Carried at close of period 12/31/2010, Land 6,631,400  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 19,633,151  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 26,264,551  
Accumulated Depreciation (9,764,092)  
Investment in Real Estate Net 16,500,459  
Wholly Owned Encumbered [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Units 37,453  
Initial Cost to Company, Land 1,229,307,164  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,561,433,644  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 388,065,518  
Gross Amount Carried at close of period 12/31/2010, Land 1,229,307,164  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 4,949,499,162  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 6,178,806,326  
Accumulated Depreciation (1,482,040,971)  
Investment in Real Estate Net 4,696,765,355  
Encumbrances 2,547,898,280  
1401 South State [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Chicago, IL  
Date of Constuction 2008  
Real Estate And Accumulated Depreciation Units 278  
Initial Cost to Company, Land 6,882,467  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 61,577,830  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 74,937  
Gross Amount Carried at close of period 12/31/2010, Land 6,882,467  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 61,652,767  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 68,535,234  
Accumulated Depreciation (8,211,336)  
Investment in Real Estate Net 60,323,898  
Encumbrances 0  
Reserve at Clarendon Centre, The [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Alexandria, VA  
Date of Constuction 2002  
Real Estate And Accumulated Depreciation Units 226  
Initial Cost to Company, Land 6,500,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 34,585,059  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,115,888  
Gross Amount Carried at close of period 12/31/2010, Land 6,500,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 35,700,947  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 42,200,947  
Accumulated Depreciation (11,325,598)  
Investment in Real Estate Net 30,875,349  
Providence [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Bothell, WA  
Date of Constuction 2000  
Real Estate And Accumulated Depreciation Units 200  
Initial Cost to Company, Land 3,573,621  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 19,055,505  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 581,521  
Gross Amount Carried at close of period 12/31/2010, Land 3,573,621  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 19,637,026  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 23,210,647  
Accumulated Depreciation (6,033,468)  
Investment in Real Estate Net 17,177,179  
Promenade at Tower Center II [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Valencia, CA  
Date of Constuction 2001  
Real Estate And Accumulated Depreciation Units 270  
Initial Cost to Company, Land 13,500,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 34,405,636  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 629,459  
Gross Amount Carried at close of period 12/31/2010, Land 13,500,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 35,035,095  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 48,535,095  
Accumulated Depreciation (10,422,317)  
Investment in Real Estate Net 38,112,778  
Encumbrances 32,039,955  
Promenade at Peachtree [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Chamblee, GA  
Date of Constuction 2001  
Real Estate And Accumulated Depreciation Units 406  
Initial Cost to Company, Land 10,120,250  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 31,219,739  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,765,724  
Gross Amount Carried at close of period 12/31/2010, Land 10,120,250  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 32,985,463  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 43,105,713  
Accumulated Depreciation (9,938,378)  
Investment in Real Estate Net 33,167,335  
Parkfield [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Denver, CO  
Date of Constuction 2000  
Real Estate And Accumulated Depreciation Units 476  
Initial Cost to Company, Land 8,330,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 28,667,618  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,473,044  
Gross Amount Carried at close of period 12/31/2010, Land 8,330,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 31,140,662  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 39,470,662  
Accumulated Depreciation (12,454,063)  
Investment in Real Estate Net 27,016,599  
Encumbrances 23,275,000  
Park Meadow [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Gilbert, AZ  
Date of Constuction 1986  
Real Estate And Accumulated Depreciation Units 225  
Initial Cost to Company, Land 835,217  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 15,120,769  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,364,618  
Gross Amount Carried at close of period 12/31/2010, Land 835,217  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 17,485,387  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 18,320,604  
Accumulated Depreciation (9,072,518)  
Investment in Real Estate Net 9,248,086  
Parc East Towers [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location New York, NY (G)  
Date of Constuction 1977  
Real Estate And Accumulated Depreciation Units 324  
Initial Cost to Company, Land 102,163,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 108,989,402  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 5,871,189  
Gross Amount Carried at close of period 12/31/2010, Land 102,163,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 114,860,591  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 217,023,591  
Accumulated Depreciation (23,094,592)  
Investment in Real Estate Net 193,928,999  
Encumbrances 17,081,217  
Olympus Towers [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Seattle, WA (G)  
Date of Constuction 2000  
Real Estate And Accumulated Depreciation Units 328  
Initial Cost to Company, Land 14,752,034  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 73,335,425  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,333,107  
Gross Amount Carried at close of period 12/31/2010, Land 14,752,034  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 76,668,532  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 91,420,566  
Accumulated Depreciation (22,080,839)  
Investment in Real Estate Net 69,339,727  
Encumbrances 49,875,780  
Olde Redmond Place [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Redmond, WA  
Date of Constuction 1986  
Real Estate And Accumulated Depreciation Units 192  
Initial Cost to Company, Land 4,807,100  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 14,126,038  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 4,182,775  
Gross Amount Carried at close of period 12/31/2010, Land 4,807,100  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 18,308,813  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 23,115,913  
Accumulated Depreciation (9,376,336)  
Investment in Real Estate Net 13,739,577  
Oaks [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Santa Clarita, CA  
Date of Constuction 2000  
Real Estate And Accumulated Depreciation Units 520  
Initial Cost to Company, Land 23,400,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 61,020,438  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,934,000  
Gross Amount Carried at close of period 12/31/2010, Land 23,400,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 63,954,438  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 87,354,438  
Accumulated Depreciation (20,238,980)  
Investment in Real Estate Net 67,115,458  
Encumbrances 40,260,939  
Oak Mill Two [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Germantown, MD  
Date of Constuction 1985  
Real Estate And Accumulated Depreciation Units 192  
Initial Cost to Company, Land 854,133  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,233,947  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 6,320,715  
Gross Amount Carried at close of period 12/31/2010, Land 854,133  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 16,554,662  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 17,408,795  
Accumulated Depreciation (9,400,865)  
Investment in Real Estate Net 8,007,930  
Encumbrances 9,600,000  
Oak Mill One [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Germantown, MD  
Date of Constuction 1984  
Real Estate And Accumulated Depreciation Units 208  
Initial Cost to Company, Land 10,000,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,155,522  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 7,318,552  
Gross Amount Carried at close of period 12/31/2010, Land 10,000,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 20,474,074  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 30,474,074  
Accumulated Depreciation (7,501,774)  
Investment in Real Estate Net 22,972,300  
Encumbrances 12,066,806  
North Pier at Harborside [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Jersey City, NJ (J)  
Date of Constuction 2003  
Real Estate And Accumulated Depreciation Units 297  
Initial Cost to Company, Land 4,000,159  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 94,290,590  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,966,623  
Gross Amount Carried at close of period 12/31/2010, Land 4,000,159  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 96,257,213  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 100,257,372  
Accumulated Depreciation (25,714,421)  
Investment in Real Estate Net 74,542,951  
Encumbrances 76,862,000  
Northpark [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Burlingame, CA  
Date of Constuction 1972  
Real Estate And Accumulated Depreciation Units 510  
Initial Cost to Company, Land 38,607,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 77,477,449  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,452,074  
Gross Amount Carried at close of period 12/31/2010, Land 38,607,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 80,929,523  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 119,536,523  
Accumulated Depreciation (8,379,109)  
Investment in Real Estate Net 111,157,414  
Encumbrances 68,776,370  
Mountain Terrace [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Stevenson Ranch, CA  
Date of Constuction 1992  
Real Estate And Accumulated Depreciation Units 510  
Initial Cost to Company, Land 3,966,500  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 35,814,995  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 11,698,615  
Gross Amount Carried at close of period 12/31/2010, Land 3,966,500  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 47,513,610  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 51,480,110  
Accumulated Depreciation (23,751,369)  
Investment in Real Estate Net 27,728,741  
Encumbrances 57,428,472  
Mountain Park Ranch [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Phoenix, AZ  
Date of Constuction 1994  
Real Estate And Accumulated Depreciation Units 240  
Initial Cost to Company, Land 1,662,332  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 18,260,276  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,912,961  
Gross Amount Carried at close of period 12/31/2010, Land 1,662,332  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 20,173,237  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 21,835,569  
Accumulated Depreciation (10,165,770)  
Investment in Real Estate Net 11,669,799  
Mosaic at Metro [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Hyattsville, MD  
Date of Constuction 2008  
Real Estate And Accumulated Depreciation Units 260  
Initial Cost to Company, Land 0  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 59,705,367  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 126,999  
Gross Amount Carried at close of period 12/31/2010, Land 0  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 59,832,366  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 59,832,366  
Accumulated Depreciation (6,504,822)  
Investment in Real Estate Net 53,327,544  
Encumbrances 44,655,135  
Montierra (CA) [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location San Diego, CA  
Date of Constuction 1990  
Real Estate And Accumulated Depreciation Units 272  
Initial Cost to Company, Land 8,160,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 29,360,938  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 6,578,545  
Gross Amount Carried at close of period 12/31/2010, Land 8,160,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 35,939,483  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 44,099,483  
Accumulated Depreciation (15,545,316)  
Investment in Real Estate Net 28,554,167  
Montierra [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Scottsdale, AZ  
Date of Constuction 1999  
Real Estate And Accumulated Depreciation Units 249  
Initial Cost to Company, Land 3,455,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,266,787  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,542,668  
Gross Amount Carried at close of period 12/31/2010, Land 3,455,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 18,809,455  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 22,264,455  
Accumulated Depreciation (8,591,147)  
Investment in Real Estate Net 13,673,308  
Encumbrances 17,858,854  
Montecito [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Valencia, CA  
Date of Constuction 1999  
Real Estate And Accumulated Depreciation Units 210  
Initial Cost to Company, Land 8,400,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 24,709,146  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,830,577  
Gross Amount Carried at close of period 12/31/2010, Land 8,400,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 26,539,723  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 34,939,723  
Accumulated Depreciation (10,567,646)  
Investment in Real Estate Net 24,372,077  
Monte Viejo [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Phoneix, AZ  
Date of Constuction 2004  
Real Estate And Accumulated Depreciation Units 480  
Initial Cost to Company, Land 12,700,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 45,926,784  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,068,859  
Gross Amount Carried at close of period 12/31/2010, Land 12,700,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 46,995,643  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 59,695,643  
Accumulated Depreciation (14,000,776)  
Investment in Real Estate Net 45,694,867  
Encumbrances 40,515,169  
Missions at Sunbow [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Chula Vista, CA  
Date of Constuction 2003  
Real Estate And Accumulated Depreciation Units 336  
Initial Cost to Company, Land 28,560,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 59,287,595  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,302,798  
Gross Amount Carried at close of period 12/31/2010, Land 28,560,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 60,590,393  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 89,150,393  
Accumulated Depreciation (17,010,676)  
Investment in Real Estate Net 72,139,717  
Encumbrances 55,091,000  
Miramar Lakes [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Miramar, FL  
Date of Constuction 2003  
Real Estate And Accumulated Depreciation Units 344  
Initial Cost to Company, Land 17,200,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 51,487,235  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,648,442  
Gross Amount Carried at close of period 12/31/2010, Land 17,200,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 53,135,677  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 70,335,677  
Accumulated Depreciation (14,063,001)  
Investment in Real Estate Net 56,272,676  
Mill Creek [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Milpitas, CA  
Date of Constuction 1991  
Real Estate And Accumulated Depreciation Units 516  
Initial Cost to Company, Land 12,858,693  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 57,168,503  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,134,053  
Gross Amount Carried at close of period 12/31/2010, Land 12,858,693  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 60,302,556  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 73,161,249  
Accumulated Depreciation (19,263,283)  
Investment in Real Estate Net 53,897,966  
Encumbrances 69,312,259  
Metro on First [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Seattle, WA (G)  
Date of Constuction 2002  
Real Estate And Accumulated Depreciation Units 102  
Initial Cost to Company, Land 8,540,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,209,981  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 282,559  
Gross Amount Carried at close of period 12/31/2010, Land 8,540,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 12,492,540  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 21,032,540  
Accumulated Depreciation (3,183,956)  
Investment in Real Estate Net 17,848,584  
Encumbrances 16,650,000  
Marks [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Englewood, CO (G)  
Date of Constuction 1987  
Real Estate And Accumulated Depreciation Units 616  
Initial Cost to Company, Land 4,928,500  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 44,622,314  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 9,664,858  
Gross Amount Carried at close of period 12/31/2010, Land 4,928,500  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 54,287,172  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 59,215,672  
Accumulated Depreciation (27,218,142)  
Investment in Real Estate Net 31,997,530  
Encumbrances 19,195,000  
Longview Place [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Waltham, MA  
Date of Constuction 2004  
Real Estate And Accumulated Depreciation Units 348  
Initial Cost to Company, Land 20,880,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 90,255,509  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,059,321  
Gross Amount Carried at close of period 12/31/2010, Land 20,880,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 92,314,830  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 113,194,830  
Accumulated Depreciation (21,584,039)  
Investment in Real Estate Net 91,610,791  
Encumbrances 57,029,000  
Market Street Village [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location San Diego, CA  
Date of Constuction 2006  
Real Estate And Accumulated Depreciation Units 229  
Initial Cost to Company, Land 13,740,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 40,757,301  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 570,900  
Gross Amount Carried at close of period 12/31/2010, Land 13,740,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 41,328,201  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 55,068,201  
Accumulated Depreciation (9,542,056)  
Investment in Real Estate Net 45,526,145  
Lincoln Heights [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Quincy, MA  
Date of Constuction 1991  
Real Estate And Accumulated Depreciation Units 336  
Initial Cost to Company, Land 5,928,400  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 33,595,262  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 10,702,664  
Gross Amount Carried at close of period 12/31/2010, Land 5,928,400  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 44,297,926  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 50,226,326  
Accumulated Depreciation (21,483,850)  
Investment in Real Estate Net 28,742,476  
Lindley [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Encino, CA  
Date of Constuction 2004  
Real Estate And Accumulated Depreciation Units 129  
Initial Cost to Company, Land 5,805,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 25,705,000  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 380,221  
Gross Amount Carried at close of period 12/31/2010, Land 5,805,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 26,085,221  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 31,890,221  
Accumulated Depreciation (1,708,719)  
Investment in Real Estate Net 30,181,502  
Encumbrances 22,436,908  
Liberty Tower [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Arlington, VA (G)  
Date of Constuction 2008  
Real Estate And Accumulated Depreciation Units 235  
Initial Cost to Company, Land 16,382,822  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 83,817,078  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 500,099  
Gross Amount Carried at close of period 12/31/2010, Land 16,382,822  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 84,317,177  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 100,699,999  
Accumulated Depreciation (7,455,086)  
Investment in Real Estate Net 93,244,913  
Encumbrances 48,586,957  
Liberty Park [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Brain Tree, MA  
Date of Constuction 2000  
Real Estate And Accumulated Depreciation Units 202  
Initial Cost to Company, Land 5,977,504  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 26,749,110  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,184,890  
Gross Amount Carried at close of period 12/31/2010, Land 5,977,504  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 28,934,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 34,911,504  
Accumulated Depreciation (9,678,494)  
Investment in Real Estate Net 25,233,010  
Encumbrances 24,980,280  
La Terrazza at Colma Station [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Colma, CA (G) (I)  
Date of Constuction 2005  
Real Estate And Accumulated Depreciation Units 153  
Initial Cost to Company, Land 0  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 41,251,044  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 492,747  
Gross Amount Carried at close of period 12/31/2010, Land 0  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 41,743,791  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 41,743,791  
Accumulated Depreciation (8,533,442)  
Investment in Real Estate Net 33,210,349  
Encumbrances 25,175,000  
Jaclen Towers [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Beverly, MA  
Date of Constuction 1976  
Real Estate And Accumulated Depreciation Units 100  
Initial Cost to Company, Land 437,072  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,921,735  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,146,926  
Gross Amount Carried at close of period 12/31/2010, Land 437,072  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 4,068,661  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 4,505,733  
Accumulated Depreciation (1,988,692)  
Investment in Real Estate Net 2,517,041  
Encumbrances 1,074,494  
Ivory Wood [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Bothell, WA  
Date of Constuction 2000  
Real Estate And Accumulated Depreciation Units 144  
Initial Cost to Company, Land 2,732,800  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,888,282  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 585,457  
Gross Amount Carried at close of period 12/31/2010, Land 2,732,800  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 14,473,739  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 17,206,539  
Accumulated Depreciation (4,321,190)  
Investment in Real Estate Net 12,885,349  
Encumbrances 8,020,000  
Highlands at Cherry Hill [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Cherry Hills, NJ  
Date of Constuction 2002  
Real Estate And Accumulated Depreciation Units 170  
Initial Cost to Company, Land 6,800,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 21,459,108  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 639,410  
Gross Amount Carried at close of period 12/31/2010, Land 6,800,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 22,098,518  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 28,898,518  
Accumulated Depreciation (5,655,534)  
Investment in Real Estate Net 23,242,984  
Encumbrances 14,391,147  
Heronfield [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Kirkland, WA  
Date of Constuction 1990  
Real Estate And Accumulated Depreciation Units 202  
Initial Cost to Company, Land 9,245,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 27,017,749  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,286,663  
Gross Amount Carried at close of period 12/31/2010, Land 9,245,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 28,304,412  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 37,549,412  
Accumulated Depreciation (6,623,206)  
Investment in Real Estate Net 30,926,206  
Heritage at Stone Ridge [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Burlington, MA  
Date of Constuction 2005  
Real Estate And Accumulated Depreciation Units 180  
Initial Cost to Company, Land 10,800,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 31,808,335  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 722,215  
Gross Amount Carried at close of period 12/31/2010, Land 10,800,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 32,530,550  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 43,330,550  
Accumulated Depreciation (8,636,359)  
Investment in Real Estate Net 34,694,191  
Encumbrances 27,859,574  
Heights on Capitol Hill [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Seattle, WA (G)  
Date of Constuction 2006  
Real Estate And Accumulated Depreciation Units 104  
Initial Cost to Company, Land 5,425,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 21,138,028  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 145,491  
Gross Amount Carried at close of period 12/31/2010, Land 5,425,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 21,283,519  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 26,708,519  
Accumulated Depreciation (4,885,848)  
Investment in Real Estate Net 21,822,671  
Encumbrances 19,320,000  
Hathaway [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Long Beach, CA  
Date of Constuction 1987  
Real Estate And Accumulated Depreciation Units 385  
Initial Cost to Company, Land 2,512,500  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 22,611,912  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 6,617,407  
Gross Amount Carried at close of period 12/31/2010, Land 2,512,500  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 29,229,319  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 31,741,819  
Accumulated Depreciation (17,010,633)  
Investment in Real Estate Net 14,731,186  
Encumbrances 46,517,800  
Harbor Steps [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Seattle, WA (G)  
Date of Constuction 2000  
Real Estate And Accumulated Depreciation Units 730  
Initial Cost to Company, Land 59,900,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 158,829,432  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 7,329,927  
Gross Amount Carried at close of period 12/31/2010, Land 59,900,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 166,159,359  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 226,059,359  
Accumulated Depreciation (41,014,218)  
Investment in Real Estate Net 185,045,141  
Encumbrances 121,360,757  
Greenwood Plaza [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Centennial, CO  
Date of Constuction 1996  
Real Estate And Accumulated Depreciation Units 266  
Initial Cost to Company, Land 3,990,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 35,846,708  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,921,183  
Gross Amount Carried at close of period 12/31/2010, Land 3,990,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 37,767,891  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 41,757,891  
Accumulated Depreciation (8,360,465)  
Investment in Real Estate Net 33,397,426  
Greenwood Park [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Centennial, CO  
Date of Constuction 1994  
Real Estate And Accumulated Depreciation Units 291  
Initial Cost to Company, Land 4,365,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 38,372,440  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,338,988  
Gross Amount Carried at close of period 12/31/2010, Land 4,365,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 39,711,428  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 44,076,428  
Accumulated Depreciation (8,725,623)  
Investment in Real Estate Net 35,350,805  
Grandeville at River Place [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Oviedo, FL  
Date of Constuction 2002  
Real Estate And Accumulated Depreciation Units 280  
Initial Cost to Company, Land 6,000,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 23,114,693  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,723,206  
Gross Amount Carried at close of period 12/31/2010, Land 6,000,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 24,837,899  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 30,837,899  
Accumulated Depreciation (7,801,937)  
Investment in Real Estate Net 23,035,962  
Encumbrances 28,890,000  
Glo [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Los Angeles, CA (G)  
Date of Constuction 2008  
Real Estate And Accumulated Depreciation Units 201  
Initial Cost to Company, Land 16,047,022  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 48,652,977  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 0  
Gross Amount Carried at close of period 12/31/2010, Land 16,047,022  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 48,652,977  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 64,699,999  
Accumulated Depreciation 0  
Investment in Real Estate Net 64,699,999  
Encumbrances 31,490,000  
Glen Meadow [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Franklin, MA  
Date of Constuction 1971  
Real Estate And Accumulated Depreciation Units 288  
Initial Cost to Company, Land 2,339,330  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,133,588  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,641,165  
Gross Amount Carried at close of period 12/31/2010, Land 2,339,330  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 19,774,753  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 22,114,083  
Accumulated Depreciation (8,972,636)  
Investment in Real Estate Net 13,141,447  
Encumbrances 353,833  
Geary Court Yard [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location San Francisco, CA  
Date of Constuction 1990  
Real Estate And Accumulated Depreciation Units 164  
Initial Cost to Company, Land 1,722,400  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 15,471,429  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,125,987  
Gross Amount Carried at close of period 12/31/2010, Land 1,722,400  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 17,597,416  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 19,319,816  
Accumulated Depreciation (9,023,938)  
Investment in Real Estate Net 10,295,878  
Encumbrances 18,281,425  
Gateway at Malden Center [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Malden, MA (G)  
Date of Constuction 1988  
Real Estate And Accumulated Depreciation Units 203  
Initial Cost to Company, Land 9,209,780  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 25,722,666  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 8,322,590  
Gross Amount Carried at close of period 12/31/2010, Land 9,209,780  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 34,045,256  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 43,255,036  
Accumulated Depreciation (12,427,280)  
Investment in Real Estate Net 30,827,756  
Encumbrances 14,970,000  
Woodleaf [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Campbell, CA  
Date of Constuction 1984  
Real Estate And Accumulated Depreciation Units 178  
Initial Cost to Company, Land 8,550,600  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,988,183  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,525,549  
Gross Amount Carried at close of period 12/31/2010, Land 8,550,600  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 19,513,732  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 28,064,332  
Accumulated Depreciation (8,858,351)  
Investment in Real Estate Net 19,205,981  
Encumbrances 0  
Woodland Park [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location East Palo Alto, CA (G)  
Date of Constuction 1953  
Real Estate And Accumulated Depreciation Units 1,812  
Initial Cost to Company, Land 72,224,518  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 57,775,482  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 11,882  
Gross Amount Carried at close of period 12/31/2010, Land 72,224,518  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 57,787,364  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 130,011,882  
Accumulated Depreciation (361,821)  
Investment in Real Estate Net 129,650,061  
Encumbrances 0  
Management Business [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Chicago, IL  
Date of Constuction (D)  
Real Estate And Accumulated Depreciation Units 0  
Initial Cost to Company, Land 0  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 0  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 85,280,456  
Gross Amount Carried at close of period 12/31/2010, Land 0  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 85,280,456  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 85,280,456  
Accumulated Depreciation (64,901,959)  
Investment in Real Estate Net 20,378,497  
Encumbrances 0  
Mass 1210 [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Washington, D.C. (G)  
Date of Constuction 2004  
Real Estate And Accumulated Depreciation Units 144  
Initial Cost to Company, Land 9,213,512  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 36,559,189  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 316,157  
Gross Amount Carried at close of period 12/31/2010, Land 9,213,512  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 36,875,346  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 46,088,858  
Accumulated Depreciation (8,949,188)  
Investment in Real Estate Net 37,139,670  
Encumbrances 0  
Joyce On Pentagon Row 1401 [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Arlington, VA  
Date of Constuction 2004  
Real Estate And Accumulated Depreciation Units 326  
Initial Cost to Company, Land 9,780,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 89,668,165  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 260,729  
Gross Amount Carried at close of period 12/31/2010, Land 9,780,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 89,928,894  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 99,708,894  
Accumulated Depreciation (11,567,038)  
Investment in Real Estate Net 88,141,856  
Encumbrances 0  
1500 Mass Ave [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Washington, D.C. (G)  
Date of Constuction 1951  
Real Estate And Accumulated Depreciation Units 556  
Initial Cost to Company, Land 54,638,298  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 40,361,702  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,435,233  
Gross Amount Carried at close of period 12/31/2010, Land 54,638,298  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 41,796,935  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 96,435,233  
Accumulated Depreciation (5,071,385)  
Investment in Real Estate Net 91,363,848  
Encumbrances 0  
Peachtree 1660 [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Atlanta, GA  
Date of Constuction 1999  
Real Estate And Accumulated Depreciation Units 355  
Initial Cost to Company, Land 7,924,126  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 23,533,831  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,308,016  
Gross Amount Carried at close of period 12/31/2010, Land 7,924,126  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 25,841,847  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 33,765,973  
Accumulated Depreciation (8,233,880)  
Investment in Real Estate Net 25,532,093  
Encumbrances 0  
1700 Amsterdam [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location New York, NY  
Date of Constuction (F)  
Real Estate And Accumulated Depreciation Units 0  
Initial Cost to Company, Land 0  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,347,795  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 0  
Gross Amount Carried at close of period 12/31/2010, Land 0  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 3,347,795  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 3,347,795  
Accumulated Depreciation 0  
Investment in Real Estate Net 3,347,795  
Encumbrances 0  
175 Kent [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Brooklyn, NY (G)  
Date of Constuction 2011  
Real Estate And Accumulated Depreciation Units 113  
Initial Cost to Company, Land 22,037,831  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 53,962,169  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 4,899  
Gross Amount Carried at close of period 12/31/2010, Land 22,037,831  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 53,967,068  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 76,004,899  
Accumulated Depreciation 0  
Investment in Real Estate Net 76,004,899  
Encumbrances 0  
200 N Lemon Street [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Anaheim, CA  
Date of Constuction (F)  
Real Estate And Accumulated Depreciation Units 0  
Initial Cost to Company, Land 5,865,235  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 171,438  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 0  
Gross Amount Carried at close of period 12/31/2010, Land 5,865,235  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 171,438  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 6,036,673  
Accumulated Depreciation 0  
Investment in Real Estate Net 6,036,673  
Encumbrances 0  
2201 Pershing Drive [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Arlington, VA  
Date of Constuction (F)  
Real Estate And Accumulated Depreciation Units 0  
Initial Cost to Company, Land 11,321,198  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 19,605,311  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 0  
Gross Amount Carried at close of period 12/31/2010, Land 11,321,198  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 19,605,311  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 30,926,509  
Accumulated Depreciation 0  
Investment in Real Estate Net 30,926,509  
Encumbrances 0  
M St 2400 [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Washington, D.C. (G)  
Date of Constuction 2006  
Real Estate And Accumulated Depreciation Units 359  
Initial Cost to Company, Land 30,006,593  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 114,013,785  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 821,940  
Gross Amount Carried at close of period 12/31/2010, Land 30,006,593  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 114,835,725  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 144,842,318  
Accumulated Depreciation (25,913,002)  
Investment in Real Estate Net 118,929,316  
Encumbrances 0  
Four Hundred And Twenty East 80th Street [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location New York, NY  
Date of Constuction 1961  
Real Estate And Accumulated Depreciation Units 155  
Initial Cost to Company, Land 39,277,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 23,026,984  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,670,219  
Gross Amount Carried at close of period 12/31/2010, Land 39,277,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 25,697,203  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 64,974,203  
Accumulated Depreciation (7,346,380)  
Investment in Real Estate Net 57,627,823  
Encumbrances 0  
425 Mass [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Washington, D.C. (G)  
Date of Constuction 2009  
Real Estate And Accumulated Depreciation Units 559  
Initial Cost to Company, Land 28,150,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 138,600,000  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,306,882  
Gross Amount Carried at close of period 12/31/2010, Land 28,150,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 140,906,882  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 169,056,882  
Accumulated Depreciation (10,753,212)  
Investment in Real Estate Net 158,303,670  
Encumbrances 0  
51 University [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Seattle, WA (G)  
Date of Constuction 1918  
Real Estate And Accumulated Depreciation Units 0  
Initial Cost to Company, Land 3,640,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,110,000  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 782,855  
Gross Amount Carried at close of period 12/31/2010, Land 3,640,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 8,892,855  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 12,532,855  
Accumulated Depreciation (207,107)  
Investment in Real Estate Net 12,325,748  
Encumbrances 0  
Washington 600 [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location New York, NY (G)  
Date of Constuction 2004  
Real Estate And Accumulated Depreciation Units 135  
Initial Cost to Company, Land 32,852,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 43,140,551  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 241,280  
Gross Amount Carried at close of period 12/31/2010, Land 32,852,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 43,381,831  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 76,233,831  
Accumulated Depreciation (10,895,304)  
Investment in Real Estate Net 65,338,527  
Encumbrances 0  
Greene 70 [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Jersey City, NJ (G)  
Date of Constuction 2010  
Real Estate And Accumulated Depreciation Units 480  
Initial Cost to Company, Land 28,170,659  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 237,020,220  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 298,646  
Gross Amount Carried at close of period 12/31/2010, Land 28,170,659  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 237,318,866  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 265,489,525  
Accumulated Depreciation (15,466,554)  
Investment in Real Estate Net 250,022,971  
Encumbrances 0  
Broadway 71 [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location New York, NY (G)  
Date of Constuction 1997  
Real Estate And Accumulated Depreciation Units 238  
Initial Cost to Company, Land 22,611,600  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 77,492,171  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 7,194,824  
Gross Amount Carried at close of period 12/31/2010, Land 22,611,600  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 84,686,995  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 107,298,595  
Accumulated Depreciation (21,051,383)  
Investment in Real Estate Net 86,247,212  
Encumbrances 0  
777 Sixth [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location New York, NY (G)  
Date of Constuction 2002  
Real Estate And Accumulated Depreciation Units 294  
Initial Cost to Company, Land 65,352,706  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 65,747,294  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 760,339  
Gross Amount Carried at close of period 12/31/2010, Land 65,352,706  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 66,507,633  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 131,860,339  
Accumulated Depreciation (11,220,212)  
Investment in Real Estate Net 120,640,127  
Encumbrances 0  
88 Hillside [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Daly City, CA (G)  
Date of Constuction 2011  
Real Estate And Accumulated Depreciation Units 95  
Initial Cost to Company, Land 7,786,800  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 31,733,200  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 729,871  
Gross Amount Carried at close of period 12/31/2010, Land 7,786,800  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 32,463,071  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 40,249,871  
Accumulated Depreciation (343,824)  
Investment in Real Estate Net 39,906,047  
Encumbrances 0  
Abington Glen [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Abington, MA  
Date of Constuction 1968  
Real Estate And Accumulated Depreciation Units 90  
Initial Cost to Company, Land 553,105  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,697,396  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,394,444  
Gross Amount Carried at close of period 12/31/2010, Land 553,105  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 6,091,840  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 6,644,945  
Accumulated Depreciation (3,160,486)  
Investment in Real Estate Net 3,484,459  
Encumbrances 0  
Acacia Creek [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Scottsdale, AZ  
Date of Constuction 1988-1994  
Real Estate And Accumulated Depreciation Units 304  
Initial Cost to Company, Land 3,663,473  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 21,172,386  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,955,147  
Gross Amount Carried at close of period 12/31/2010, Land 3,663,473  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 24,127,533  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 27,791,006  
Accumulated Depreciation (12,113,624)  
Investment in Real Estate Net 15,677,382  
Encumbrances 0  
The Arches [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Sunnyvale, CA  
Date of Constuction 1974  
Real Estate And Accumulated Depreciation Units 410  
Initial Cost to Company, Land 26,650,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 62,850,000  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 8,347  
Gross Amount Carried at close of period 12/31/2010, Land 26,650,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 62,858,347  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 89,508,347  
Accumulated Depreciation (745,859)  
Investment in Real Estate Net 88,762,488  
Encumbrances 0  
Arden Villas [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Orlando, FL  
Date of Constuction 1999  
Real Estate And Accumulated Depreciation Units 336  
Initial Cost to Company, Land 5,500,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 28,600,796  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,366,120  
Gross Amount Carried at close of period 12/31/2010, Land 5,500,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 31,966,916  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 37,466,916  
Accumulated Depreciation (9,505,727)  
Investment in Real Estate Net 27,961,189  
Encumbrances 0  
Arlington at Perimeter Center [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Atlanta, GA  
Date of Constuction 1980  
Real Estate And Accumulated Depreciation Units 204  
Initial Cost to Company, Land 2,448,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,095,484  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 199,927  
Gross Amount Carried at close of period 12/31/2010, Land 2,448,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 8,295,411  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 10,743,411  
Accumulated Depreciation (2,002,871)  
Investment in Real Estate Net 8,740,540  
Encumbrances 0  
Artisan on Second [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Los Angeles, CA  
Date of Constuction 2008  
Real Estate And Accumulated Depreciation Units 118  
Initial Cost to Company, Land 8,000,400  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 36,074,600  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 12,623  
Gross Amount Carried at close of period 12/31/2010, Land 8,000,400  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 36,087,223  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 44,087,623  
Accumulated Depreciation (1,370,912)  
Investment in Real Estate Net 42,716,711  
Encumbrances 0  
Ashton, The [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Corona Hills, CA  
Date of Constuction 1986  
Real Estate And Accumulated Depreciation Units 492  
Initial Cost to Company, Land 2,594,264  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 33,042,398  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 6,318,737  
Gross Amount Carried at close of period 12/31/2010, Land 2,594,264  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 39,361,135  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 41,955,399  
Accumulated Depreciation (20,407,980)  
Investment in Real Estate Net 21,547,419  
Encumbrances 0  
Auvers Village [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Orlando, FL  
Date of Constuction 1991  
Real Estate And Accumulated Depreciation Units 480  
Initial Cost to Company, Land 3,808,823  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 29,322,243  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 6,438,957  
Gross Amount Carried at close of period 12/31/2010, Land 3,808,823  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 35,761,200  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 39,570,023  
Accumulated Depreciation (17,562,711)  
Investment in Real Estate Net 22,007,312  
Encumbrances 0  
Avenue Royale [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Jacksonville, FL  
Date of Constuction 2001  
Real Estate And Accumulated Depreciation Units 200  
Initial Cost to Company, Land 5,000,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,785,388  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,015,551  
Gross Amount Carried at close of period 12/31/2010, Land 5,000,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 18,800,939  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 23,800,939  
Accumulated Depreciation (5,263,233)  
Investment in Real Estate Net 18,537,706  
Encumbrances 0  
Avon Place LLC [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Avon, CT  
Date of Constuction 1973  
Real Estate And Accumulated Depreciation Units 163  
Initial Cost to Company, Land 1,788,943  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,440,003  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,826,600  
Gross Amount Carried at close of period 12/31/2010, Land 1,788,943  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 14,266,603  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 16,055,546  
Accumulated Depreciation (5,868,216)  
Investment in Real Estate Net 10,187,330  
Encumbrances 0  
Ball Park Lofts [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Denver, CO (G)  
Date of Constuction 2003  
Real Estate And Accumulated Depreciation Units 346  
Initial Cost to Company, Land 5,481,556  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 51,658,741  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,147,155  
Gross Amount Carried at close of period 12/31/2010, Land 5,481,556  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 54,805,896  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 60,287,452  
Accumulated Depreciation (15,027,289)  
Investment in Real Estate Net 45,260,163  
Encumbrances 0  
Barrington Place [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Oviedo, FL  
Date of Constuction 1998  
Real Estate And Accumulated Depreciation Units 233  
Initial Cost to Company, Land 6,990,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 15,740,825  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,656,061  
Gross Amount Carried at close of period 12/31/2010, Land 6,990,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 18,396,886  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 25,386,886  
Accumulated Depreciation (7,143,268)  
Investment in Real Estate Net 18,243,618  
Encumbrances 0  
Bay Hill [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Long Beach, CA  
Date of Constuction 2002  
Real Estate And Accumulated Depreciation Units 160  
Initial Cost to Company, Land 7,600,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 27,437,239  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 819,776  
Gross Amount Carried at close of period 12/31/2010, Land 7,600,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 28,257,015  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 35,857,015  
Accumulated Depreciation (8,027,118)  
Investment in Real Estate Net 27,829,897  
Encumbrances 0  
Bella Terra [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Mukilteo, WA (G)  
Date of Constuction 2002  
Real Estate And Accumulated Depreciation Units 235  
Initial Cost to Company, Land 5,686,861  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 26,070,540  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 743,787  
Gross Amount Carried at close of period 12/31/2010, Land 5,686,861  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 26,814,327  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 32,501,188  
Accumulated Depreciation (8,186,839)  
Investment in Real Estate Net 24,314,349  
Encumbrances 0  
Bella Vista [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Phoenix, AZ  
Date of Constuction 1995  
Real Estate And Accumulated Depreciation Units 248  
Initial Cost to Company, Land 2,978,879  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 20,641,333  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,456,763  
Gross Amount Carried at close of period 12/31/2010, Land 2,978,879  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 24,098,096  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 27,076,975  
Accumulated Depreciation (12,710,839)  
Investment in Real Estate Net 14,366,136  
Encumbrances 0  
Bella Vista One Two Three Combined [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Woodland Hills, CA  
Date of Constuction 2003-2007  
Real Estate And Accumulated Depreciation Units 579  
Initial Cost to Company, Land 31,682,754  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 121,095,786  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,563,367  
Gross Amount Carried at close of period 12/31/2010, Land 31,682,754  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 122,659,153  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 154,341,907  
Accumulated Depreciation (28,332,758)  
Investment in Real Estate Net 126,009,149  
Encumbrances 0  
Belle Arts Condominium Homes, LLC [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Bellevue, WA  
Date of Constuction 2000  
Real Estate And Accumulated Depreciation Units 1  
Initial Cost to Company, Land 63,158  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 248,929  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures (5,320)  
Gross Amount Carried at close of period 12/31/2010, Land 63,158  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 243,609  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 306,767  
Accumulated Depreciation 0  
Investment in Real Estate Net 306,767  
Encumbrances 0  
Berkeley Land [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Berkeley, CA  
Date of Constuction (F)  
Real Estate And Accumulated Depreciation Units 0  
Initial Cost to Company, Land 13,908,910  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,227,866  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 0  
Gross Amount Carried at close of period 12/31/2010, Land 13,908,910  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 2,227,866  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 16,136,776  
Accumulated Depreciation 0  
Investment in Real Estate Net 16,136,776  
Encumbrances 0  
Bermuda Cove [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Jacksonville, FL  
Date of Constuction 1989  
Real Estate And Accumulated Depreciation Units 350  
Initial Cost to Company, Land 1,503,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 19,561,896  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 4,743,553  
Gross Amount Carried at close of period 12/31/2010, Land 1,503,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 24,305,449  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 25,808,449  
Accumulated Depreciation (12,374,482)  
Investment in Real Estate Net 13,433,967  
Encumbrances 0  
Bishop Park [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Winter Park, FL  
Date of Constuction 1991  
Real Estate And Accumulated Depreciation Units 324  
Initial Cost to Company, Land 2,592,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,990,436  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,762,396  
Gross Amount Carried at close of period 12/31/2010, Land 2,592,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 21,752,832  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 24,344,832  
Accumulated Depreciation (11,171,320)  
Investment in Real Estate Net 13,173,512  
Encumbrances 0  
Bradford Apartments [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Newington, CT  
Date of Constuction 1964  
Real Estate And Accumulated Depreciation Units 64  
Initial Cost to Company, Land 401,091  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,681,210  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 627,352  
Gross Amount Carried at close of period 12/31/2010, Land 401,091  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 3,308,562  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 3,709,653  
Accumulated Depreciation (1,443,213)  
Investment in Real Estate Net 2,266,440  
Encumbrances 0  
Bradley Park [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Puyallup, WA  
Date of Constuction 1999  
Real Estate And Accumulated Depreciation Units 155  
Initial Cost to Company, Land 3,813,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 18,313,645  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 451,352  
Gross Amount Carried at close of period 12/31/2010, Land 3,813,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 18,764,997  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 22,577,997  
Accumulated Depreciation (5,726,555)  
Investment in Real Estate Net 16,851,442  
Encumbrances 0  
Briar Knoll Apts [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Vernon, CT  
Date of Constuction 1986  
Real Estate And Accumulated Depreciation Units 150  
Initial Cost to Company, Land 928,972  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,209,988  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,467,900  
Gross Amount Carried at close of period 12/31/2010, Land 928,972  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 7,677,888  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 8,606,860  
Accumulated Depreciation (3,355,569)  
Investment in Real Estate Net 5,251,291  
Encumbrances 0  
Bridford Lakes Two [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Greensboro, NC  
Date of Constuction (F)  
Real Estate And Accumulated Depreciation Units 0  
Initial Cost to Company, Land 1,100,564  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 792,508  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 0  
Gross Amount Carried at close of period 12/31/2010, Land 1,100,564  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 792,508  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 1,893,072  
Accumulated Depreciation 0  
Investment in Real Estate Net 1,893,072  
Encumbrances 0  
Bridgewater at Wells Crossing [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Orange Park, FL  
Date of Constuction 1986  
Real Estate And Accumulated Depreciation Units 288  
Initial Cost to Company, Land 2,160,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,347,549  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,202,929  
Gross Amount Carried at close of period 12/31/2010, Land 2,160,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 15,550,478  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 17,710,478  
Accumulated Depreciation (7,204,309)  
Investment in Real Estate Net 10,506,169  
Encumbrances 0  
The Brooklyner [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Brooklyn, NY (G)  
Date of Constuction 2010  
Real Estate And Accumulated Depreciation Units 490  
Initial Cost to Company, Land 40,099,922  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 221,413,464  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 84,680  
Gross Amount Carried at close of period 12/31/2010, Land 40,099,922  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 221,498,144  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 261,598,066  
Accumulated Depreciation (7,655,279)  
Investment in Real Estate Net 253,942,787  
Encumbrances 0  
Camellero [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Scottsdale, AZ  
Date of Constuction 1979  
Real Estate And Accumulated Depreciation Units 348  
Initial Cost to Company, Land 1,924,900  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,324,593  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 5,702,222  
Gross Amount Carried at close of period 12/31/2010, Land 1,924,900  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 23,026,815  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 24,951,715  
Accumulated Depreciation (14,664,481)  
Investment in Real Estate Net 10,287,234  
Encumbrances 0  
Carlyle Mill [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Alexandria, VA  
Date of Constuction 2002  
Real Estate And Accumulated Depreciation Units 317  
Initial Cost to Company, Land 10,000,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 51,367,913  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,734,381  
Gross Amount Carried at close of period 12/31/2010, Land 10,000,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 55,102,294  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 65,102,294  
Accumulated Depreciation (17,452,858)  
Investment in Real Estate Net 47,649,436  
Encumbrances 0  
Centennial Court [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Seattle, WA (G)  
Date of Constuction 2001  
Real Estate And Accumulated Depreciation Units 187  
Initial Cost to Company, Land 3,800,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 21,280,039  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 389,948  
Gross Amount Carried at close of period 12/31/2010, Land 3,800,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 21,669,987  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 25,469,987  
Accumulated Depreciation (5,773,241)  
Investment in Real Estate Net 19,696,746  
Encumbrances 0  
Centerpointe [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Beaverton, OR  
Date of Constuction 1996  
Real Estate And Accumulated Depreciation Units 264  
Initial Cost to Company, Land 3,421,535  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 15,708,853  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,854,171  
Gross Amount Carried at close of period 12/31/2010, Land 3,421,535  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 18,563,024  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 21,984,559  
Accumulated Depreciation (7,802,200)  
Investment in Real Estate Net 14,182,359  
Encumbrances 0  
Centre Club [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Ontario, CA  
Date of Constuction 1994  
Real Estate And Accumulated Depreciation Units 312  
Initial Cost to Company, Land 5,616,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 23,485,891  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,737,952  
Gross Amount Carried at close of period 12/31/2010, Land 5,616,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 26,223,843  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 31,839,843  
Accumulated Depreciation (10,900,792)  
Investment in Real Estate Net 20,939,051  
Encumbrances 0  
Centre Club II [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Ontario, CA  
Date of Constuction 2002  
Real Estate And Accumulated Depreciation Units 100  
Initial Cost to Company, Land 1,820,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,528,898  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 591,236  
Gross Amount Carried at close of period 12/31/2010, Land 1,820,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 10,120,134  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 11,940,134  
Accumulated Depreciation (3,571,632)  
Investment in Real Estate Net 8,368,502  
Encumbrances 0  
Chandlers Bay [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Kent, WA  
Date of Constuction 1980  
Real Estate And Accumulated Depreciation Units 293  
Initial Cost to Company, Land 3,700,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 18,961,895  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 284,794  
Gross Amount Carried at close of period 12/31/2010, Land 3,700,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 19,246,689  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 22,946,689  
Accumulated Depreciation (3,172,283)  
Investment in Real Estate Net 19,774,406  
Encumbrances 0  
Chatelaine Park [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Duluth, GA  
Date of Constuction 1995  
Real Estate And Accumulated Depreciation Units 303  
Initial Cost to Company, Land 1,818,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 24,489,671  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,121,430  
Gross Amount Carried at close of period 12/31/2010, Land 1,818,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 26,611,101  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 28,429,101  
Accumulated Depreciation (12,460,470)  
Investment in Real Estate Net 15,968,631  
Encumbrances 0  
Chesapeake Glen Apts [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Glen Burnie, MD  
Date of Constuction 1973  
Real Estate And Accumulated Depreciation Units 796  
Initial Cost to Company, Land 8,993,411  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 27,301,052  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 21,729,611  
Gross Amount Carried at close of period 12/31/2010, Land 8,993,411  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 49,030,663  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 58,024,074  
Accumulated Depreciation (25,384,518)  
Investment in Real Estate Net 32,639,556  
Encumbrances 0  
Chestnut Hills [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Puyallup, WA  
Date of Constuction 1991  
Real Estate And Accumulated Depreciation Units 157  
Initial Cost to Company, Land 756,300  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,806,635  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,478,004  
Gross Amount Carried at close of period 12/31/2010, Land 756,300  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 8,284,639  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 9,040,939  
Accumulated Depreciation (4,569,192)  
Investment in Real Estate Net 4,471,747  
Encumbrances 0  
Chickasaw Crossing [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Orlando, FL  
Date of Constuction 1986  
Real Estate And Accumulated Depreciation Units 292  
Initial Cost to Company, Land 2,044,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,366,832  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,026,320  
Gross Amount Carried at close of period 12/31/2010, Land 2,044,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 14,393,152  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 16,437,152  
Accumulated Depreciation (7,087,225)  
Investment in Real Estate Net 9,349,927  
Encumbrances 0  
Chinatown Gateway [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Los Angeles, CA  
Date of Constuction (F)  
Real Estate And Accumulated Depreciation Units 0  
Initial Cost to Company, Land 14,791,831  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 20,219,520  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 0  
Gross Amount Carried at close of period 12/31/2010, Land 14,791,831  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 20,219,520  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 35,011,351  
Accumulated Depreciation 0  
Investment in Real Estate Net 35,011,351  
Encumbrances 0  
City View (GA) [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Atlanta, GA (G)  
Date of Constuction 2003  
Real Estate And Accumulated Depreciation Units 202  
Initial Cost to Company, Land 6,440,800  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 19,993,460  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,317,239  
Gross Amount Carried at close of period 12/31/2010, Land 6,440,800  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 21,310,699  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 27,751,499  
Accumulated Depreciation (5,974,911)  
Investment in Real Estate Net 21,776,588  
Encumbrances 0  
Cleo, The [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Los Angeles, CA  
Date of Constuction 1989  
Real Estate And Accumulated Depreciation Units 92  
Initial Cost to Company, Land 6,615,467  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 14,829,335  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,705,284  
Gross Amount Carried at close of period 12/31/2010, Land 6,615,467  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 18,534,619  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 25,150,086  
Accumulated Depreciation (4,696,293)  
Investment in Real Estate Net 20,453,793  
Encumbrances 0  
Coconut Palm Club [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Coconut Creek, FL  
Date of Constuction 1992  
Real Estate And Accumulated Depreciation Units 300  
Initial Cost to Company, Land 3,001,700  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,678,928  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,011,144  
Gross Amount Carried at close of period 12/31/2010, Land 3,001,700  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 20,690,072  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 23,691,772  
Accumulated Depreciation (10,164,773)  
Investment in Real Estate Net 13,526,999  
Encumbrances 0  
Cortona at Dana Park [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Mesa, AZ  
Date of Constuction 1986  
Real Estate And Accumulated Depreciation Units 222  
Initial Cost to Company, Land 2,028,939  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,466,128  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,545,062  
Gross Amount Carried at close of period 12/31/2010, Land 2,028,939  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 15,011,190  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 17,040,129  
Accumulated Depreciation (7,883,606)  
Investment in Real Estate Net 9,156,523  
Encumbrances 0  
Cove at Boynton Beach I [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Boynton Beach, FL  
Date of Constuction 1996  
Real Estate And Accumulated Depreciation Units 252  
Initial Cost to Company, Land 12,600,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 31,469,651  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,289,248  
Gross Amount Carried at close of period 12/31/2010, Land 12,600,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 34,758,899  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 47,358,899  
Accumulated Depreciation (11,006,677)  
Investment in Real Estate Net 36,352,222  
Encumbrances 0  
Cove at Boynton Beach II [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Boynton Beach, FL  
Date of Constuction 1998  
Real Estate And Accumulated Depreciation Units 296  
Initial Cost to Company, Land 14,800,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 37,874,719  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 0  
Gross Amount Carried at close of period 12/31/2010, Land 14,800,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 37,874,719  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 52,674,719  
Accumulated Depreciation (11,305,764)  
Investment in Real Estate Net 41,368,955  
Encumbrances 0  
Crown Court [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Scottsdale, AZ  
Date of Constuction 1987  
Real Estate And Accumulated Depreciation Units 416  
Initial Cost to Company, Land 3,156,600  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 28,414,599  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 8,646,438  
Gross Amount Carried at close of period 12/31/2010, Land 3,156,600  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 37,061,037  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 40,217,637  
Accumulated Depreciation (19,125,520)  
Investment in Real Estate Net 21,092,117  
Encumbrances 0  
Crowntree Lakes [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Orlando, FL  
Date of Constuction 2008  
Real Estate And Accumulated Depreciation Units 352  
Initial Cost to Company, Land 12,009,630  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 44,407,977  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 236,864  
Gross Amount Carried at close of period 12/31/2010, Land 12,009,630  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 44,644,841  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 56,654,471  
Accumulated Depreciation (7,065,210)  
Investment in Real Estate Net 49,589,261  
Encumbrances 0  
Cypress Lake at Waterford [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Orlando, FL  
Date of Constuction 2001  
Real Estate And Accumulated Depreciation Units 316  
Initial Cost to Company, Land 7,000,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 27,654,816  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,621,151  
Gross Amount Carried at close of period 12/31/2010, Land 7,000,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 29,275,967  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 36,275,967  
Accumulated Depreciation (8,974,873)  
Investment in Real Estate Net 27,301,094  
Encumbrances 0  
Dartmouth Woods [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Lakewood, CO  
Date of Constuction 1990  
Real Estate And Accumulated Depreciation Units 201  
Initial Cost to Company, Land 1,609,800  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,832,754  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,098,370  
Gross Amount Carried at close of period 12/31/2010, Land 1,609,800  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 12,931,124  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 14,540,924  
Accumulated Depreciation (6,960,459)  
Investment in Real Estate Net 7,580,465  
Encumbrances 0  
Dean Estates [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Taunton, MA  
Date of Constuction 1984  
Real Estate And Accumulated Depreciation Units 58  
Initial Cost to Company, Land 498,080  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,329,560  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 644,755  
Gross Amount Carried at close of period 12/31/2010, Land 498,080  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 3,974,315  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 4,472,395  
Accumulated Depreciation (1,831,109)  
Investment in Real Estate Net 2,641,286  
Encumbrances 0  
Deerwood (Corona) [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Date of Constuction 1992  
Real Estate And Accumulated Depreciation Units 316  
Initial Cost to Company, Land 4,742,200  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 20,272,892  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,983,156  
Gross Amount Carried at close of period 12/31/2010, Land 4,742,200  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 24,256,048  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 28,998,248  
Accumulated Depreciation (12,694,215)  
Investment in Real Estate Net 16,304,033  
Encumbrances 0  
Defoor Village [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Atlanta, GA  
Date of Constuction 1997  
Real Estate And Accumulated Depreciation Units 156  
Initial Cost to Company, Land 2,966,400  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,570,210  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,022,481  
Gross Amount Carried at close of period 12/31/2010, Land 2,966,400  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 12,592,691  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 15,559,091  
Accumulated Depreciation (6,381,963)  
Investment in Real Estate Net 9,177,128  
Encumbrances 0  
DelMarRidge [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location San Diego, CA  
Date of Constuction 1998  
Real Estate And Accumulated Depreciation Units 181  
Initial Cost to Company, Land 7,801,824  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 36,948,176  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,873,844  
Gross Amount Carried at close of period 12/31/2010, Land 7,801,824  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 39,822,020  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 47,623,844  
Accumulated Depreciation (4,887,595)  
Investment in Real Estate Net 42,736,249  
Encumbrances 0  
Eagle Canyon [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Chino Hills, CA  
Date of Constuction 1985  
Real Estate And Accumulated Depreciation Units 252  
Initial Cost to Company, Land 1,808,900  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,274,361  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 6,201,855  
Gross Amount Carried at close of period 12/31/2010, Land 1,808,900  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 22,476,216  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 24,285,116  
Accumulated Depreciation (11,710,765)  
Investment in Real Estate Net 12,574,351  
Encumbrances 0  
Edgemont at Bethesda Metro [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Bethesda, MD  
Date of Constuction 1989  
Real Estate And Accumulated Depreciation Units 122  
Initial Cost to Company, Land 13,092,552  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 43,907,448  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 14,551  
Gross Amount Carried at close of period 12/31/2010, Land 13,092,552  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 43,921,999  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 57,014,551  
Accumulated Depreciation (143,993)  
Investment in Real Estate Net 56,870,558  
Encumbrances 0  
Ellipse at Government Center [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Fairfax, VA  
Date of Constuction 1989  
Real Estate And Accumulated Depreciation Units 404  
Initial Cost to Company, Land 19,433,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 56,816,266  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,407,457  
Gross Amount Carried at close of period 12/31/2010, Land 19,433,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 60,223,723  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 79,656,723  
Accumulated Depreciation (10,767,112)  
Investment in Real Estate Net 68,889,611  
Encumbrances 0  
Emerson Place [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Boston, MA (G)  
Date of Constuction 1962  
Real Estate And Accumulated Depreciation Units 444  
Initial Cost to Company, Land 14,855,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 57,566,636  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 15,461,793  
Gross Amount Carried at close of period 12/31/2010, Land 14,855,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 73,028,429  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 87,883,429  
Accumulated Depreciation (39,453,309)  
Investment in Real Estate Net 48,430,120  
Encumbrances 0  
Enclave at Lake Underhill [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Orlando, FL  
Date of Constuction 1989  
Real Estate And Accumulated Depreciation Units 312  
Initial Cost to Company, Land 9,359,750  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 29,539,650  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,285,853  
Gross Amount Carried at close of period 12/31/2010, Land 9,359,750  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 31,825,503  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 41,185,253  
Accumulated Depreciation (9,090,279)  
Investment in Real Estate Net 32,094,974  
Encumbrances 0  
Enclave at Waterways [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Deerfield Beach, FL  
Date of Constuction 1998  
Real Estate And Accumulated Depreciation Units 300  
Initial Cost to Company, Land 15,000,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 33,194,576  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,068,582  
Gross Amount Carried at close of period 12/31/2010, Land 15,000,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 34,263,158  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 49,263,158  
Accumulated Depreciation (10,140,629)  
Investment in Real Estate Net 39,122,529  
Encumbrances 0  
Enclave at Winston Park [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Coconut Creek, FL  
Date of Constuction 1995  
Real Estate And Accumulated Depreciation Units 278  
Initial Cost to Company, Land 5,560,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 19,939,324  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,590,243  
Gross Amount Carried at close of period 12/31/2010, Land 5,560,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 22,529,567  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 28,089,567  
Accumulated Depreciation (8,422,705)  
Investment in Real Estate Net 19,666,862  
Encumbrances 0  
Enclave, The [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Tempe, AZ  
Date of Constuction 1994  
Real Estate And Accumulated Depreciation Units 204  
Initial Cost to Company, Land 1,500,192  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 19,281,399  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,446,011  
Gross Amount Carried at close of period 12/31/2010, Land 1,500,192  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 20,727,410  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 22,227,602  
Accumulated Depreciation (10,245,126)  
Investment in Real Estate Net 11,982,476  
Encumbrances 0  
The Encore at Sherman Oaks [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Sherman Oaks, CA  
Date of Constuction 1988  
Real Estate And Accumulated Depreciation Units 174  
Initial Cost to Company, Land 8,700,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 25,450,000  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures (172)  
Gross Amount Carried at close of period 12/31/2010, Land 8,700,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 25,449,828  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 34,149,828  
Accumulated Depreciation (102,111)  
Investment in Real Estate Net 34,047,717  
Encumbrances 0  
Estates at Wellington Green [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Wellington, FL  
Date of Constuction 2003  
Real Estate And Accumulated Depreciation Units 400  
Initial Cost to Company, Land 20,000,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 64,790,850  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,940,468  
Gross Amount Carried at close of period 12/31/2010, Land 20,000,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 66,731,318  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 86,731,318  
Accumulated Depreciation (18,233,852)  
Investment in Real Estate Net 68,497,466  
Encumbrances 0  
Eye Street [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Washington, D.C.  
Date of Constuction (F)  
Real Estate And Accumulated Depreciation Units 0  
Initial Cost to Company, Land 13,523,104  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,434,731  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 0  
Gross Amount Carried at close of period 12/31/2010, Land 13,523,104  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 1,434,731  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 14,957,835  
Accumulated Depreciation 0  
Investment in Real Estate Net 14,957,835  
Encumbrances 0  
Four Winds [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Fall River, MA  
Date of Constuction 1987  
Real Estate And Accumulated Depreciation Units 168  
Initial Cost to Company, Land 1,370,843  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,163,804  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,055,216  
Gross Amount Carried at close of period 12/31/2010, Land 1,370,843  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 11,219,020  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 12,589,863  
Accumulated Depreciation (4,838,597)  
Investment in Real Estate Net 7,751,266  
Encumbrances 0  
Fox Hill Apartments [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Enfield, CT  
Date of Constuction 1974  
Real Estate And Accumulated Depreciation Units 168  
Initial Cost to Company, Land 1,129,018  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,547,256  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,542,032  
Gross Amount Carried at close of period 12/31/2010, Land 1,129,018  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 9,089,288  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 10,218,306  
Accumulated Depreciation (3,874,075)  
Investment in Real Estate Net 6,344,231  
Encumbrances 0  
Fox Run (WA) [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Federal Way, WA  
Date of Constuction 1988  
Real Estate And Accumulated Depreciation Units 144  
Initial Cost to Company, Land 626,637  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,765,018  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,799,744  
Gross Amount Carried at close of period 12/31/2010, Land 626,637  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 7,564,762  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 8,191,399  
Accumulated Depreciation (4,799,492)  
Investment in Real Estate Net 3,391,907  
Encumbrances 0  
Fox Run Two Wa [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Federal Way, WA  
Date of Constuction 1988  
Real Estate And Accumulated Depreciation Units 18  
Initial Cost to Company, Land 80,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,286,139  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 53,086  
Gross Amount Carried at close of period 12/31/2010, Land 80,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 1,339,225  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 1,419,225  
Accumulated Depreciation (435,137)  
Investment in Real Estate Net 984,088  
Encumbrances 0  
Gables Grand Plaza [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Coral Gables, FL (G)  
Date of Constuction 1998  
Real Estate And Accumulated Depreciation Units 195  
Initial Cost to Company, Land 0  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 44,601,000  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 4,864,473  
Gross Amount Carried at close of period 12/31/2010, Land 0  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 49,465,473  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 49,465,473  
Accumulated Depreciation (14,528,653)  
Investment in Real Estate Net 34,936,820  
Encumbrances 0  
Gallery, The [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Hermosa Beach,CA  
Date of Constuction 1971  
Real Estate And Accumulated Depreciation Units 168  
Initial Cost to Company, Land 18,144,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 46,567,941  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,800,776  
Gross Amount Carried at close of period 12/31/2010, Land 18,144,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 48,368,717  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 66,512,717  
Accumulated Depreciation (11,575,744)  
Investment in Real Estate Net 54,936,973  
Encumbrances 0  
Gatehouse at Pine Lake [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Pembroke Pines, FL  
Date of Constuction 1990  
Real Estate And Accumulated Depreciation Units 296  
Initial Cost to Company, Land 1,896,600  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,070,795  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 4,694,859  
Gross Amount Carried at close of period 12/31/2010, Land 1,896,600  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 21,765,654  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 23,662,254  
Accumulated Depreciation (11,286,379)  
Investment in Real Estate Net 12,375,875  
Encumbrances 0  
Gatehouse on the Green [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Plantation, FL  
Date of Constuction 1990  
Real Estate And Accumulated Depreciation Units 312  
Initial Cost to Company, Land 2,228,200  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 20,056,270  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 6,918,445  
Gross Amount Carried at close of period 12/31/2010, Land 2,228,200  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 26,974,715  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 29,202,915  
Accumulated Depreciation (13,806,093)  
Investment in Real Estate Net 15,396,822  
Encumbrances 0  
Gates of Redmond [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Redmond, WA  
Date of Constuction 1979  
Real Estate And Accumulated Depreciation Units 180  
Initial Cost to Company, Land 2,306,100  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,064,015  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 4,676,955  
Gross Amount Carried at close of period 12/31/2010, Land 2,306,100  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 16,740,970  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 19,047,070  
Accumulated Depreciation (8,269,321)  
Investment in Real Estate Net 10,777,749  
Encumbrances 0  
Gatewood [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Pleasanton, CA  
Date of Constuction 1985  
Real Estate And Accumulated Depreciation Units 200  
Initial Cost to Company, Land 6,796,511  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 20,249,392  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 4,235,044  
Gross Amount Carried at close of period 12/31/2010, Land 6,796,511  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 24,484,436  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 31,280,947  
Accumulated Depreciation (7,962,040)  
Investment in Real Estate Net 23,318,907  
Encumbrances 0  
Governors Green [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Bowie, MD  
Date of Constuction 1999  
Real Estate And Accumulated Depreciation Units 478  
Initial Cost to Company, Land 19,845,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 73,335,916  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 695,633  
Gross Amount Carried at close of period 12/31/2010, Land 19,845,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 74,031,549  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 93,876,549  
Accumulated Depreciation (14,127,464)  
Investment in Real Estate Net 79,749,085  
Encumbrances 0  
Greenfield Village [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Rocky Hill , CT  
Date of Constuction 1965  
Real Estate And Accumulated Depreciation Units 151  
Initial Cost to Company, Land 911,534  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,093,418  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 653,663  
Gross Amount Carried at close of period 12/31/2010, Land 911,534  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 6,747,081  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 7,658,615  
Accumulated Depreciation (2,908,887)  
Investment in Real Estate Net 4,749,728  
Encumbrances 0  
Hamilton Villas [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Beverly Hills, CA  
Date of Constuction 1990  
Real Estate And Accumulated Depreciation Units 35  
Initial Cost to Company, Land 7,772,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,864,269  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,248,987  
Gross Amount Carried at close of period 12/31/2010, Land 7,772,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 18,113,256  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 25,885,256  
Accumulated Depreciation (2,886,918)  
Investment in Real Estate Net 22,998,338  
Encumbrances 0  
Hampshire Place [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Los Angeles, CA  
Date of Constuction 1989  
Real Estate And Accumulated Depreciation Units 259  
Initial Cost to Company, Land 10,806,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 30,335,330  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,975,273  
Gross Amount Carried at close of period 12/31/2010, Land 10,806,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 32,310,603  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 43,116,603  
Accumulated Depreciation (9,342,481)  
Investment in Real Estate Net 33,774,122  
Encumbrances 0  
Hamptons [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Puyallup, WA  
Date of Constuction 1991  
Real Estate And Accumulated Depreciation Units 230  
Initial Cost to Company, Land 1,119,200  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,075,844  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,181,372  
Gross Amount Carried at close of period 12/31/2010, Land 1,119,200  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 12,257,216  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 13,376,416  
Accumulated Depreciation (6,502,883)  
Investment in Real Estate Net 6,873,533  
Encumbrances 0  
Heritage Ridge [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Lynwood, WA  
Date of Constuction 1999  
Real Estate And Accumulated Depreciation Units 197  
Initial Cost to Company, Land 6,895,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 18,983,597  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 580,309  
Gross Amount Carried at close of period 12/31/2010, Land 6,895,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 19,563,906  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 26,458,906  
Accumulated Depreciation (6,170,097)  
Investment in Real Estate Net 20,288,809  
Encumbrances 0  
Heritage, The [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Phoenix, AZ  
Date of Constuction 1995  
Real Estate And Accumulated Depreciation Units 204  
Initial Cost to Company, Land 1,209,705  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,136,903  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,445,456  
Gross Amount Carried at close of period 12/31/2010, Land 1,209,705  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 14,582,359  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 15,792,064  
Accumulated Depreciation (7,351,002)  
Investment in Real Estate Net 8,441,062  
Encumbrances 0  
Heron Pointe [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Boynton Beach, FL  
Date of Constuction 1989  
Real Estate And Accumulated Depreciation Units 192  
Initial Cost to Company, Land 1,546,700  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,774,676  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,100,353  
Gross Amount Carried at close of period 12/31/2010, Land 1,546,700  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 9,875,029  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 11,421,729  
Accumulated Depreciation (5,452,706)  
Investment in Real Estate Net 5,969,023  
Encumbrances 0  
High Meadow [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Ellington, CT  
Date of Constuction 1975  
Real Estate And Accumulated Depreciation Units 100  
Initial Cost to Company, Land 583,679  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,901,774  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 847,209  
Gross Amount Carried at close of period 12/31/2010, Land 583,679  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 4,748,983  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 5,332,662  
Accumulated Depreciation (1,998,900)  
Investment in Real Estate Net 3,333,762  
Encumbrances 0  
Highland Glen [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Westwood, MA  
Date of Constuction 1979  
Real Estate And Accumulated Depreciation Units 180  
Initial Cost to Company, Land 2,229,096  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,828,153  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,377,035  
Gross Amount Carried at close of period 12/31/2010, Land 2,229,096  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 19,205,188  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 21,434,284  
Accumulated Depreciation (7,889,981)  
Investment in Real Estate Net 13,544,303  
Encumbrances 0  
Highland Glen Two [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Westwood, MA  
Date of Constuction 2007  
Real Estate And Accumulated Depreciation Units 102  
Initial Cost to Company, Land 0  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 19,875,857  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 96,440  
Gross Amount Carried at close of period 12/31/2010, Land 0  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 19,972,297  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 19,972,297  
Accumulated Depreciation (3,651,496)  
Investment in Real Estate Net 16,320,801  
Encumbrances 0  
Highlands At South Plainfield [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location South Plainfield, NJ  
Date of Constuction 2000  
Real Estate And Accumulated Depreciation Units 252  
Initial Cost to Company, Land 10,080,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 37,526,912  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 775,891  
Gross Amount Carried at close of period 12/31/2010, Land 10,080,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 38,302,803  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 48,382,803  
Accumulated Depreciation (9,250,419)  
Investment in Real Estate Net 39,132,384  
Encumbrances 0  
Highlands The [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Scottsdale, AZ  
Date of Constuction 1990  
Real Estate And Accumulated Depreciation Units 272  
Initial Cost to Company, Land 11,823,840  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 31,990,970  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,898,136  
Gross Amount Carried at close of period 12/31/2010, Land 11,823,840  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 34,889,106  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 46,712,946  
Accumulated Depreciation (9,125,842)  
Investment in Real Estate Net 37,587,104  
Encumbrances 0  
Hikari [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Los Angeles, CA (G)  
Date of Constuction 2007  
Real Estate And Accumulated Depreciation Units 128  
Initial Cost to Company, Land 9,435,760  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 32,564,240  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 459  
Gross Amount Carried at close of period 12/31/2010, Land 9,435,760  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 32,564,699  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 42,000,459  
Accumulated Depreciation (227,136)  
Investment in Real Estate Net 41,773,323  
Encumbrances 0  
Hudson Crossing [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location New York, NY (G)  
Date of Constuction 2003  
Real Estate And Accumulated Depreciation Units 259  
Initial Cost to Company, Land 23,420,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 70,086,976  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 788,773  
Gross Amount Carried at close of period 12/31/2010, Land 23,420,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 70,875,749  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 94,295,749  
Accumulated Depreciation (18,595,417)  
Investment in Real Estate Net 75,700,332  
Encumbrances 0  
Hudson Pointe [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Jersey City, NJ  
Date of Constuction 2003  
Real Estate And Accumulated Depreciation Units 182  
Initial Cost to Company, Land 5,148,500  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 41,114,074  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,657,246  
Gross Amount Carried at close of period 12/31/2010, Land 5,148,500  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 42,771,320  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 47,919,820  
Accumulated Depreciation (11,801,705)  
Investment in Real Estate Net 36,118,115  
Encumbrances 0  
Hunt Club Two [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Charlotte, NC  
Date of Constuction (F)  
Real Estate And Accumulated Depreciation Units 0  
Initial Cost to Company, Land 100,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 0  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 0  
Gross Amount Carried at close of period 12/31/2010, Land 100,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 0  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 100,000  
Accumulated Depreciation 0  
Investment in Real Estate Net 100,000  
Encumbrances 0  
Huntington Park [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Everett, WA  
Date of Constuction 1991  
Real Estate And Accumulated Depreciation Units 381  
Initial Cost to Company, Land 1,597,500  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 14,367,864  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 4,183,579  
Gross Amount Carried at close of period 12/31/2010, Land 1,597,500  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 18,551,443  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 20,148,943  
Accumulated Depreciation (11,674,614)  
Investment in Real Estate Net 8,474,329  
Encumbrances 0  
Indian Bend [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Scottsdale, AZ  
Date of Constuction 1973  
Real Estate And Accumulated Depreciation Units 278  
Initial Cost to Company, Land 1,075,700  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,800,330  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,187,921  
Gross Amount Carried at close of period 12/31/2010, Land 1,075,700  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 12,988,251  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 14,063,951  
Accumulated Depreciation (8,540,028)  
Investment in Real Estate Net 5,523,923  
Encumbrances 0  
Iron Horse Park [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Pleasant Hill, CA  
Date of Constuction 1973  
Real Estate And Accumulated Depreciation Units 252  
Initial Cost to Company, Land 15,000,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 24,335,549  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 7,795,496  
Gross Amount Carried at close of period 12/31/2010, Land 15,000,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 32,131,045  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 47,131,045  
Accumulated Depreciation (9,910,604)  
Investment in Real Estate Net 37,220,441  
Encumbrances 0  
Kelvin Court [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Irvine, CA  
Date of Constuction 2008  
Real Estate And Accumulated Depreciation Units 132  
Initial Cost to Company, Land 10,752,145  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 34,628,115  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 58,454  
Gross Amount Carried at close of period 12/31/2010, Land 10,752,145  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 34,686,569  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 45,438,714  
Accumulated Depreciation (4,720,720)  
Investment in Real Estate Net 40,717,994  
Encumbrances 0  
Kenwood Mews [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Burbank, CA  
Date of Constuction 1991  
Real Estate And Accumulated Depreciation Units 141  
Initial Cost to Company, Land 14,100,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 24,662,883  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,114,407  
Gross Amount Carried at close of period 12/31/2010, Land 14,100,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 26,777,290  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 40,877,290  
Accumulated Depreciation (6,347,552)  
Investment in Real Estate Net 34,529,738  
Encumbrances 0  
Key Isle at Windermere [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Ocoee, FL  
Date of Constuction 2000  
Real Estate And Accumulated Depreciation Units 282  
Initial Cost to Company, Land 8,460,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 31,761,470  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,390,677  
Gross Amount Carried at close of period 12/31/2010, Land 8,460,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 33,152,147  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 41,612,147  
Accumulated Depreciation (9,266,266)  
Investment in Real Estate Net 32,345,881  
Encumbrances 0  
Key Isle at Windermere II [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Ocoee, FL  
Date of Constuction 2008  
Real Estate And Accumulated Depreciation Units 165  
Initial Cost to Company, Land 3,306,286  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 24,519,644  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 21,547  
Gross Amount Carried at close of period 12/31/2010, Land 3,306,286  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 24,541,191  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 27,847,477  
Accumulated Depreciation (2,938,408)  
Investment in Real Estate Net 24,909,069  
Encumbrances 0  
Kings Colony (FL) [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Miami, FL  
Date of Constuction 1986  
Real Estate And Accumulated Depreciation Units 480  
Initial Cost to Company, Land 19,200,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 48,379,586  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,018,997  
Gross Amount Carried at close of period 12/31/2010, Land 19,200,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 51,398,583  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 70,598,583  
Accumulated Depreciation (14,665,777)  
Investment in Real Estate Net 55,932,806  
Encumbrances 0  
La Mirage [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location San Diego, CA  
Date of Constuction 1988/1992  
Real Estate And Accumulated Depreciation Units 1,070  
Initial Cost to Company, Land 28,895,200  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 95,567,943  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 15,389,455  
Gross Amount Carried at close of period 12/31/2010, Land 28,895,200  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 110,957,398  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 139,852,598  
Accumulated Depreciation (56,328,723)  
Investment in Real Estate Net 83,523,875  
Encumbrances 0  
La Mirage IV [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location San Diego, CA  
Date of Constuction 2001  
Real Estate And Accumulated Depreciation Units 340  
Initial Cost to Company, Land 6,000,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 47,449,353  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,395,835  
Gross Amount Carried at close of period 12/31/2010, Land 6,000,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 50,845,188  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 56,845,188  
Accumulated Depreciation (18,165,863)  
Investment in Real Estate Net 38,679,325  
Encumbrances 0  
Laguna Clara [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Santa Clara, CA  
Date of Constuction 1972  
Real Estate And Accumulated Depreciation Units 264  
Initial Cost to Company, Land 13,642,420  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 29,707,475  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,710,137  
Gross Amount Carried at close of period 12/31/2010, Land 13,642,420  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 33,417,612  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 47,060,032  
Accumulated Depreciation (10,479,322)  
Investment in Real Estate Net 36,580,710  
Encumbrances 0  
Lake Buena Vista Combined [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Orlando, FL  
Date of Constuction 2000/2002  
Real Estate And Accumulated Depreciation Units 672  
Initial Cost to Company, Land 23,520,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 75,068,205  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,989,075  
Gross Amount Carried at close of period 12/31/2010, Land 23,520,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 79,057,280  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 102,577,280  
Accumulated Depreciation (20,170,142)  
Investment in Real Estate Net 82,407,138  
Encumbrances 0  
Landings at Pembroke Lakes [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Pembroke Pines, FL  
Date of Constuction 1989  
Real Estate And Accumulated Depreciation Units 358  
Initial Cost to Company, Land 17,900,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 24,460,989  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 4,965,432  
Gross Amount Carried at close of period 12/31/2010, Land 17,900,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 29,426,421  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 47,326,421  
Accumulated Depreciation (9,344,572)  
Investment in Real Estate Net 37,981,849  
Encumbrances 0  
Landings at Port Imperial [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location W. New York, NJ  
Date of Constuction 1999  
Real Estate And Accumulated Depreciation Units 276  
Initial Cost to Company, Land 27,246,045  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 37,741,049  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 6,836,741  
Gross Amount Carried at close of period 12/31/2010, Land 27,246,045  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 44,577,790  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 71,823,835  
Accumulated Depreciation (17,306,712)  
Investment in Real Estate Net 54,517,123  
Encumbrances 0  
La Salle [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Beaverton, OR (G)  
Date of Constuction 1998  
Real Estate And Accumulated Depreciation Units 554  
Initial Cost to Company, Land 7,202,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 35,877,612  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,810,808  
Gross Amount Carried at close of period 12/31/2010, Land 7,202,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 38,688,420  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 45,890,420  
Accumulated Depreciation (13,657,006)  
Investment in Real Estate Net 32,233,414  
Encumbrances 0  
Las Colinas at Black Canyon [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Phoenix, AZ  
Date of Constuction 2008  
Real Estate And Accumulated Depreciation Units 304  
Initial Cost to Company, Land 9,000,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 35,917,811  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 159,522  
Gross Amount Carried at close of period 12/31/2010, Land 9,000,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 36,077,333  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 45,077,333  
Accumulated Depreciation (6,297,814)  
Investment in Real Estate Net 38,779,519  
Encumbrances 0  
Legacy at Highlands Ranch [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Highlands Ranch, CO  
Date of Constuction 1999  
Real Estate And Accumulated Depreciation Units 422  
Initial Cost to Company, Land 6,330,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 37,557,013  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,769,576  
Gross Amount Carried at close of period 12/31/2010, Land 6,330,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 39,326,589  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 45,656,589  
Accumulated Depreciation (11,207,950)  
Investment in Real Estate Net 34,448,639  
Encumbrances 0  
Legacy Park Central [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Concord, CA  
Date of Constuction 2003  
Real Estate And Accumulated Depreciation Units 259  
Initial Cost to Company, Land 6,469,230  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 46,745,854  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 535,142  
Gross Amount Carried at close of period 12/31/2010, Land 6,469,230  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 47,280,996  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 53,750,226  
Accumulated Depreciation (12,393,957)  
Investment in Real Estate Net 41,356,269  
Encumbrances 0  
Lexington Farm [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Alpharetta, GA  
Date of Constuction 1995  
Real Estate And Accumulated Depreciation Units 352  
Initial Cost to Company, Land 3,521,900  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 22,888,305  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,627,912  
Gross Amount Carried at close of period 12/31/2010, Land 3,521,900  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 25,516,217  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 29,038,117  
Accumulated Depreciation (12,190,060)  
Investment in Real Estate Net 16,848,057  
Encumbrances 0  
Lexington Park [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Orlando, FL  
Date of Constuction 1988  
Real Estate And Accumulated Depreciation Units 252  
Initial Cost to Company, Land 2,016,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,346,726  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,656,043  
Gross Amount Carried at close of period 12/31/2010, Land 2,016,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 15,002,769  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 17,018,769  
Accumulated Depreciation (7,642,248)  
Investment in Real Estate Net 9,376,521  
Encumbrances 0  
Little Cottonwoods [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Tempe, AZ  
Date of Constuction 1984  
Real Estate And Accumulated Depreciation Units 379  
Initial Cost to Company, Land 3,050,133  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 26,991,689  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 4,911,946  
Gross Amount Carried at close of period 12/31/2010, Land 3,050,133  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 31,903,635  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 34,953,768  
Accumulated Depreciation (15,716,576)  
Investment in Real Estate Net 19,237,192  
Encumbrances 0  
Longacre House [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location New York, NY (G)  
Date of Constuction 2000  
Real Estate And Accumulated Depreciation Units 293  
Initial Cost to Company, Land 73,170,045  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 53,962,510  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 714,414  
Gross Amount Carried at close of period 12/31/2010, Land 73,170,045  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 54,676,924  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 127,846,969  
Accumulated Depreciation (9,897,055)  
Investment in Real Estate Net 117,949,914  
Encumbrances 0  
Longfellow Place [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Boston, MA (G)  
Date of Constuction 1975  
Real Estate And Accumulated Depreciation Units 710  
Initial Cost to Company, Land 53,164,160  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 185,281,065  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 57,736,158  
Gross Amount Carried at close of period 12/31/2010, Land 53,164,160  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 243,017,223  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 296,181,383  
Accumulated Depreciation (107,939,415)  
Investment in Real Estate Net 188,241,968  
Encumbrances 0  
Longwood [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Decatur, GA  
Date of Constuction 1992  
Real Estate And Accumulated Depreciation Units 268  
Initial Cost to Company, Land 1,454,048  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,087,393  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,068,198  
Gross Amount Carried at close of period 12/31/2010, Land 1,454,048  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 15,155,591  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 16,609,639  
Accumulated Depreciation (9,410,160)  
Investment in Real Estate Net 7,199,479  
Encumbrances 0  
Madison, The [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Alexandria, VA  
Date of Constuction (F)  
Real Estate And Accumulated Depreciation Units 0  
Initial Cost to Company, Land 18,471,288  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,904,782  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 0  
Gross Amount Carried at close of period 12/31/2010, Land 18,471,288  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 8,904,782  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 27,376,070  
Accumulated Depreciation 0  
Investment in Real Estate Net 27,376,070  
Encumbrances 0  
Mariners Wharf [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Orange Park, FL  
Date of Constuction 1989  
Real Estate And Accumulated Depreciation Units 272  
Initial Cost to Company, Land 1,861,200  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,744,951  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,434,409  
Gross Amount Carried at close of period 12/31/2010, Land 1,861,200  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 20,179,360  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 22,040,560  
Accumulated Depreciation (10,561,564)  
Investment in Real Estate Net 11,478,996  
Encumbrances 0  
Market Street Landing [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Seattle, WA  
Date of Constuction (F)  
Real Estate And Accumulated Depreciation Units 0  
Initial Cost to Company, Land 12,542,418  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,462,522  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 0  
Gross Amount Carried at close of period 12/31/2010, Land 12,542,418  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 3,462,522  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 16,004,940  
Accumulated Depreciation 0  
Investment in Real Estate Net 16,004,940  
Encumbrances 0  
Marquessa [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Corona Hills, CA  
Date of Constuction 1992  
Real Estate And Accumulated Depreciation Units 336  
Initial Cost to Company, Land 6,888,500  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 21,604,584  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,835,419  
Gross Amount Carried at close of period 12/31/2010, Land 6,888,500  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 24,440,003  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 31,328,503  
Accumulated Depreciation (12,707,309)  
Investment in Real Estate Net 18,621,194  
Encumbrances 0  
Martine, The [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Bellevue, WA  
Date of Constuction 1984  
Real Estate And Accumulated Depreciation Units 67  
Initial Cost to Company, Land 3,200,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,616,264  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,668,310  
Gross Amount Carried at close of period 12/31/2010, Land 3,200,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 12,284,574  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 15,484,574  
Accumulated Depreciation (2,717,288)  
Investment in Real Estate Net 12,767,286  
Encumbrances 0  
Midtown 24 [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Plantation, FL (G)  
Date of Constuction 2010  
Real Estate And Accumulated Depreciation Units 247  
Initial Cost to Company, Land 10,129,900  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 58,770,100  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 44,337  
Gross Amount Carried at close of period 12/31/2010, Land 10,129,900  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 58,814,437  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 68,944,337  
Accumulated Depreciation (2,063,247)  
Investment in Real Estate Net 66,881,090  
Encumbrances 0  
Millikan [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Irvine, CA  
Date of Constuction (F)  
Real Estate And Accumulated Depreciation Units 0  
Initial Cost to Company, Land 5,610,247  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 437,421  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 0  
Gross Amount Carried at close of period 12/31/2010, Land 5,610,247  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 437,421  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 6,047,668  
Accumulated Depreciation 0  
Investment in Real Estate Net 6,047,668  
Encumbrances 0  
Mill Pond [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Millersville, MD  
Date of Constuction 1984  
Real Estate And Accumulated Depreciation Units 240  
Initial Cost to Company, Land 2,880,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,468,014  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,869,551  
Gross Amount Carried at close of period 12/31/2010, Land 2,880,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 11,337,565  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 14,217,565  
Accumulated Depreciation (6,045,891)  
Investment in Real Estate Net 8,171,674  
Encumbrances 0  
Mission Bay [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Orlando, FL  
Date of Constuction 1991  
Real Estate And Accumulated Depreciation Units 304  
Initial Cost to Company, Land 2,432,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 21,623,560  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,927,456  
Gross Amount Carried at close of period 12/31/2010, Land 2,432,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 24,551,016  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 26,983,016  
Accumulated Depreciation (11,783,502)  
Investment in Real Estate Net 15,199,514  
Encumbrances 0  
Mission Bay Block 13 [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location San Francisco, CA  
Date of Constuction (F)  
Real Estate And Accumulated Depreciation Units 0  
Initial Cost to Company, Land 32,853,438  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 432,822  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 0  
Gross Amount Carried at close of period 12/31/2010, Land 32,853,438  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 432,822  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 33,286,260  
Accumulated Depreciation 0  
Investment in Real Estate Net 33,286,260  
Encumbrances 0  
Mission Verde, LLC [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location San Jose, CA  
Date of Constuction 1986  
Real Estate And Accumulated Depreciation Units 108  
Initial Cost to Company, Land 5,190,700  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,679,109  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,236,339  
Gross Amount Carried at close of period 12/31/2010, Land 5,190,700  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 12,915,448  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 18,106,148  
Accumulated Depreciation (6,373,021)  
Investment in Real Estate Net 11,733,127  
Encumbrances 0  
Moda [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Seattle, WA (G)  
Date of Constuction 2009  
Real Estate And Accumulated Depreciation Units 251  
Initial Cost to Company, Land 12,649,228  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 36,842,012  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 17,685  
Gross Amount Carried at close of period 12/31/2010, Land 12,649,228  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 36,859,697  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 49,508,925  
Accumulated Depreciation (2,499,093)  
Investment in Real Estate Net 47,009,832  
Encumbrances 0  
Morningside [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Scottsdale, AZ  
Date of Constuction 1989  
Real Estate And Accumulated Depreciation Units 160  
Initial Cost to Company, Land 670,470  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,607,976  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,783,573  
Gross Amount Carried at close of period 12/31/2010, Land 670,470  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 14,391,549  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 15,062,019  
Accumulated Depreciation (7,289,537)  
Investment in Real Estate Net 7,772,482  
Encumbrances 0  
Mosaic at Largo Station [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Hyattsville, MD  
Date of Constuction 2008  
Real Estate And Accumulated Depreciation Units 242  
Initial Cost to Company, Land 4,120,800  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 42,477,297  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 392,872  
Gross Amount Carried at close of period 12/31/2010, Land 4,120,800  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 42,870,169  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 46,990,969  
Accumulated Depreciation (6,066,463)  
Investment in Real Estate Net 40,924,506  
Encumbrances 0  
Mozaic at Union Station [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Los Angeles, CA  
Date of Constuction 2007  
Real Estate And Accumulated Depreciation Units 272  
Initial Cost to Company, Land 8,500,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 52,529,446  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 778,315  
Gross Amount Carried at close of period 12/31/2010, Land 8,500,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 53,307,761  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 61,807,761  
Accumulated Depreciation (11,231,137)  
Investment in Real Estate Net 50,576,624  
Encumbrances 0  
New River Cove [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Davie, FL  
Date of Constuction 1999  
Real Estate And Accumulated Depreciation Units 316  
Initial Cost to Company, Land 15,800,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 46,142,895  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,198,681  
Gross Amount Carried at close of period 12/31/2010, Land 15,800,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 47,341,576  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 63,141,576  
Accumulated Depreciation (12,706,013)  
Investment in Real Estate Net 50,435,563  
Encumbrances 0  
Northampton 1 [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Largo, MD  
Date of Constuction 1977  
Real Estate And Accumulated Depreciation Units 344  
Initial Cost to Company, Land 1,843,200  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,518,161  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 6,045,739  
Gross Amount Carried at close of period 12/31/2010, Land 1,843,200  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 23,563,900  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 25,407,100  
Accumulated Depreciation (15,171,944)  
Investment in Real Estate Net 10,235,156  
Encumbrances 0  
Northampton 2 [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Largo, MD  
Date of Constuction 1988  
Real Estate And Accumulated Depreciation Units 276  
Initial Cost to Company, Land 1,513,500  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 14,257,210  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,852,776  
Gross Amount Carried at close of period 12/31/2010, Land 1,513,500  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 18,109,986  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 19,623,486  
Accumulated Depreciation (11,333,760)  
Investment in Real Estate Net 8,289,726  
Encumbrances 0  
Northglen [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Valencia, CA  
Date of Constuction 1988  
Real Estate And Accumulated Depreciation Units 234  
Initial Cost to Company, Land 9,360,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 20,778,553  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,805,127  
Gross Amount Carried at close of period 12/31/2010, Land 9,360,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 22,583,680  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 31,943,680  
Accumulated Depreciation (9,104,971)  
Investment in Real Estate Net 22,838,709  
Encumbrances 0  
Northlake (MD) [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Germantown, MD  
Date of Constuction 1985  
Real Estate And Accumulated Depreciation Units 304  
Initial Cost to Company, Land 15,000,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 23,142,302  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 10,011,783  
Gross Amount Carried at close of period 12/31/2010, Land 15,000,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 33,154,085  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 48,154,085  
Accumulated Depreciation (11,726,038)  
Investment in Real Estate Net 36,428,047  
Encumbrances 0  
Northridge [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Pleasant Hill, CA  
Date of Constuction 1974  
Real Estate And Accumulated Depreciation Units 221  
Initial Cost to Company, Land 5,527,800  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 14,691,704  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 8,977,443  
Gross Amount Carried at close of period 12/31/2010, Land 5,527,800  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 23,669,147  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 29,196,947  
Accumulated Depreciation (11,011,193)  
Investment in Real Estate Net 18,185,754  
Encumbrances 0  
Oak Park North [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Agoura Hills, CA  
Date of Constuction 1990  
Real Estate And Accumulated Depreciation Units 220  
Initial Cost to Company, Land 1,706,900  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 15,362,666  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,387,039  
Gross Amount Carried at close of period 12/31/2010, Land 1,706,900  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 18,749,705  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 20,456,605  
Accumulated Depreciation (10,408,032)  
Investment in Real Estate Net 10,048,573  
Encumbrances 0  
Oak Park South [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Agoura Hills, CA  
Date of Constuction 1989  
Real Estate And Accumulated Depreciation Units 224  
Initial Cost to Company, Land 1,683,800  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 15,154,608  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,423,630  
Gross Amount Carried at close of period 12/31/2010, Land 1,683,800  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 18,578,238  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 20,262,038  
Accumulated Depreciation (10,392,724)  
Investment in Real Estate Net 9,869,314  
Encumbrances 0  
Oaks at Falls Church [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Falls Church, VA  
Date of Constuction 1966  
Real Estate And Accumulated Depreciation Units 176  
Initial Cost to Company, Land 20,240,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 20,152,616  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,597,985  
Gross Amount Carried at close of period 12/31/2010, Land 20,240,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 23,750,601  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 43,990,601  
Accumulated Depreciation (6,823,244)  
Investment in Real Estate Net 37,167,357  
Encumbrances 0  
Ocean Crest [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Solana Beach, CA  
Date of Constuction 1986  
Real Estate And Accumulated Depreciation Units 146  
Initial Cost to Company, Land 5,111,200  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,910,438  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,156,580  
Gross Amount Carried at close of period 12/31/2010, Land 5,111,200  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 14,067,018  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 19,178,218  
Accumulated Depreciation (7,079,314)  
Investment in Real Estate Net 12,098,904  
Encumbrances 0  
Ocean Walk [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Key West, FL  
Date of Constuction 1990  
Real Estate And Accumulated Depreciation Units 297  
Initial Cost to Company, Land 2,838,749  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 25,545,009  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,350,804  
Gross Amount Carried at close of period 12/31/2010, Land 2,838,749  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 28,895,813  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 31,734,562  
Accumulated Depreciation (14,702,707)  
Investment in Real Estate Net 17,031,855  
Encumbrances 0  
Orchard Ridge [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Lynnwood, WA  
Date of Constuction 1988  
Real Estate And Accumulated Depreciation Units 104  
Initial Cost to Company, Land 480,600  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,372,033  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,203,111  
Gross Amount Carried at close of period 12/31/2010, Land 480,600  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 5,575,144  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 6,055,744  
Accumulated Depreciation (3,511,076)  
Investment in Real Estate Net 2,544,668  
Encumbrances 0  
Paces Station [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Atlanta, GA  
Date of Constuction 1984-1989  
Real Estate And Accumulated Depreciation Units 610  
Initial Cost to Company, Land 4,801,500  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 32,548,053  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 8,467,289  
Gross Amount Carried at close of period 12/31/2010, Land 4,801,500  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 41,015,342  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 45,816,842  
Accumulated Depreciation (22,459,682)  
Investment in Real Estate Net 23,357,160  
Encumbrances 0  
Palm Trace Landings [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Davie, FL  
Date of Constuction 1995  
Real Estate And Accumulated Depreciation Units 768  
Initial Cost to Company, Land 38,400,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 105,693,432  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,265,111  
Gross Amount Carried at close of period 12/31/2010, Land 38,400,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 108,958,543  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 147,358,543  
Accumulated Depreciation (28,842,025)  
Investment in Real Estate Net 118,516,518  
Encumbrances 0  
Panther Ridge [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Federal Way, WA  
Date of Constuction 1980  
Real Estate And Accumulated Depreciation Units 260  
Initial Cost to Company, Land 1,055,800  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,506,117  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,957,972  
Gross Amount Carried at close of period 12/31/2010, Land 1,055,800  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 11,464,089  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 12,519,889  
Accumulated Depreciation (6,285,344)  
Investment in Real Estate Net 6,234,545  
Encumbrances 0  
Parc 77 [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location New York, NY (G)  
Date of Constuction 1903  
Real Estate And Accumulated Depreciation Units 137  
Initial Cost to Company, Land 40,504,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 18,025,679  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 4,278,417  
Gross Amount Carried at close of period 12/31/2010, Land 40,504,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 22,304,096  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 62,808,096  
Accumulated Depreciation (6,087,382)  
Investment in Real Estate Net 56,720,714  
Encumbrances 0  
Parc Cameron [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location New York, NY (G)  
Date of Constuction 1927  
Real Estate And Accumulated Depreciation Units 166  
Initial Cost to Company, Land 37,600,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,855,597  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 5,465,305  
Gross Amount Carried at close of period 12/31/2010, Land 37,600,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 15,320,902  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 52,920,902  
Accumulated Depreciation (5,085,919)  
Investment in Real Estate Net 47,834,983  
Encumbrances 0  
Parc Coliseum [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location New York, NY (G)  
Date of Constuction 1910  
Real Estate And Accumulated Depreciation Units 177  
Initial Cost to Company, Land 52,654,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 23,045,751  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 7,255,306  
Gross Amount Carried at close of period 12/31/2010, Land 52,654,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 30,301,057  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 82,955,057  
Accumulated Depreciation (8,238,480)  
Investment in Real Estate Net 74,716,577  
Encumbrances 0  
Park at Turtle Run The [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Coral Springs, FL  
Date of Constuction 2001  
Real Estate And Accumulated Depreciation Units 257  
Initial Cost to Company, Land 15,420,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 36,064,629  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,030,466  
Gross Amount Carried at close of period 12/31/2010, Land 15,420,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 37,095,095  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 52,515,095  
Accumulated Depreciation (10,820,264)  
Investment in Real Estate Net 41,694,831  
Encumbrances 0  
Park West C A [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Los Angeles, CA  
Date of Constuction 1987/1990  
Real Estate And Accumulated Depreciation Units 444  
Initial Cost to Company, Land 3,033,500  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 27,302,383  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 5,703,492  
Gross Amount Carried at close of period 12/31/2010, Land 3,033,500  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 33,005,875  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 36,039,375  
Accumulated Depreciation (19,273,051)  
Investment in Real Estate Net 16,766,324  
Encumbrances 0  
Parkside [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Union City, CA  
Date of Constuction 1979  
Real Estate And Accumulated Depreciation Units 208  
Initial Cost to Company, Land 6,246,700  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,827,453  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,558,423  
Gross Amount Carried at close of period 12/31/2010, Land 6,246,700  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 15,385,876  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 21,632,576  
Accumulated Depreciation (8,388,169)  
Investment in Real Estate Net 13,244,407  
Encumbrances 0  
Pegasus [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Los Angeles, CA (G)  
Date of Constuction 1949/2003  
Real Estate And Accumulated Depreciation Units 322  
Initial Cost to Company, Land 18,094,052  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 81,905,948  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 346,824  
Gross Amount Carried at close of period 12/31/2010, Land 18,094,052  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 82,252,772  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 100,346,824  
Accumulated Depreciation (5,441,406)  
Investment in Real Estate Net 94,905,418  
Encumbrances 0  
Phillips Park [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Wellesley, MA  
Date of Constuction 1988  
Real Estate And Accumulated Depreciation Units 49  
Initial Cost to Company, Land 816,922  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,460,955  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 966,255  
Gross Amount Carried at close of period 12/31/2010, Land 816,922  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 6,427,210  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 7,244,132  
Accumulated Depreciation (2,756,961)  
Investment in Real Estate Net 4,487,171  
Encumbrances 0  
Playa Pacifica [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Hermosa Beach,CA  
Date of Constuction 1972  
Real Estate And Accumulated Depreciation Units 285  
Initial Cost to Company, Land 35,100,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 33,473,822  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 7,342,285  
Gross Amount Carried at close of period 12/31/2010, Land 35,100,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 40,816,107  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 75,916,107  
Accumulated Depreciation (12,772,538)  
Investment in Real Estate Net 63,143,569  
Encumbrances 0  
Polos East [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Orlando, FL  
Date of Constuction 1991  
Real Estate And Accumulated Depreciation Units 308  
Initial Cost to Company, Land 1,386,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 19,058,620  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,299,557  
Gross Amount Carried at close of period 12/31/2010, Land 1,386,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 21,358,177  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 22,744,177  
Accumulated Depreciation (10,353,927)  
Investment in Real Estate Net 12,390,250  
Encumbrances 0  
Port Royale [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Ft. Lauderdale, FL (G)  
Date of Constuction 1988  
Real Estate And Accumulated Depreciation Units 252  
Initial Cost to Company, Land 1,754,200  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 15,789,873  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 7,644,246  
Gross Amount Carried at close of period 12/31/2010, Land 1,754,200  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 23,434,119  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 25,188,319  
Accumulated Depreciation (18,059,650)  
Investment in Real Estate Net 7,128,669  
Encumbrances 0  
Port Royale I I [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Ft. Lauderdale, FL (G)  
Date of Constuction 1988  
Real Estate And Accumulated Depreciation Units 161  
Initial Cost to Company, Land 1,022,200  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,203,166  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 4,823,127  
Gross Amount Carried at close of period 12/31/2010, Land 1,022,200  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 14,026,293  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 15,048,493  
Accumulated Depreciation (7,879,025)  
Investment in Real Estate Net 7,169,468  
Encumbrances 0  
Port Royale I I I [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Ft. Lauderdale, FL (G)  
Date of Constuction 1988  
Real Estate And Accumulated Depreciation Units 324  
Initial Cost to Company, Land 7,454,900  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 14,725,802  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 9,178,900  
Gross Amount Carried at close of period 12/31/2010, Land 7,454,900  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 23,904,702  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 31,359,602  
Accumulated Depreciation (12,857,701)  
Investment in Real Estate Net 18,501,901  
Encumbrances 0  
Port Royale I V [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Ft. Lauderdale, FL  
Date of Constuction (F)  
Real Estate And Accumulated Depreciation Units 0  
Initial Cost to Company, Land 0  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,831,695  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 0  
Gross Amount Carried at close of period 12/31/2010, Land 0  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 1,831,695  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 1,831,695  
Accumulated Depreciation 0  
Investment in Real Estate Net 1,831,695  
Encumbrances 0  
Portofino [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Chino Hills, CA  
Date of Constuction 1989  
Real Estate And Accumulated Depreciation Units 176  
Initial Cost to Company, Land 3,572,400  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 14,660,994  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,679,877  
Gross Amount Carried at close of period 12/31/2010, Land 3,572,400  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 17,340,871  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 20,913,271  
Accumulated Depreciation (8,523,434)  
Investment in Real Estate Net 12,389,837  
Encumbrances 0  
Portofino Val [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Valencia, CA  
Date of Constuction 1989  
Real Estate And Accumulated Depreciation Units 216  
Initial Cost to Company, Land 8,640,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 21,487,126  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,363,242  
Gross Amount Carried at close of period 12/31/2010, Land 8,640,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 23,850,368  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 32,490,368  
Accumulated Depreciation (9,740,058)  
Investment in Real Estate Net 22,750,310  
Encumbrances 0  
Portside Towers [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Jersey City, NJ (G)  
Date of Constuction 1992-1997  
Real Estate And Accumulated Depreciation Units 527  
Initial Cost to Company, Land 22,487,006  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 96,842,913  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 15,960,366  
Gross Amount Carried at close of period 12/31/2010, Land 22,487,006  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 112,803,279  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 135,290,285  
Accumulated Depreciation (51,996,044)  
Investment in Real Estate Net 83,294,241  
Encumbrances 0  
Preserve at Deer Creek [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Deerfield Beach, FL  
Date of Constuction 1997  
Real Estate And Accumulated Depreciation Units 540  
Initial Cost to Company, Land 13,500,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 60,011,208  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 4,458,758  
Gross Amount Carried at close of period 12/31/2010, Land 13,500,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 64,469,966  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 77,969,966  
Accumulated Depreciation (19,150,628)  
Investment in Real Estate Net 58,819,338  
Encumbrances 0  
Prime, The [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Arlington, VA  
Date of Constuction 2002  
Real Estate And Accumulated Depreciation Units 256  
Initial Cost to Company, Land 32,000,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 64,436,539  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 684,785  
Gross Amount Carried at close of period 12/31/2010, Land 32,000,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 65,121,324  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 97,121,324  
Accumulated Depreciation (14,791,625)  
Investment in Real Estate Net 82,329,699  
Encumbrances 0  
Promenade at Aventura [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Aventura, FL  
Date of Constuction 1995  
Real Estate And Accumulated Depreciation Units 296  
Initial Cost to Company, Land 13,320,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 30,353,748  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 5,286,447  
Gross Amount Carried at close of period 12/31/2010, Land 13,320,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 35,640,195  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 48,960,195  
Accumulated Depreciation (13,866,100)  
Investment in Real Estate Net 35,094,095  
Encumbrances 0  
Promenade at Town Center I [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Valencia, CA  
Date of Constuction 2001  
Real Estate And Accumulated Depreciation Units 294  
Initial Cost to Company, Land 14,700,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 35,390,278  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,021,232  
Gross Amount Carried at close of period 12/31/2010, Land 14,700,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 38,411,510  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 53,111,510  
Accumulated Depreciation (11,845,700)  
Investment in Real Estate Net 41,265,810  
Encumbrances 0  
Promenade at Wyndham Lakes [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Coral Springs, FL  
Date of Constuction 1998  
Real Estate And Accumulated Depreciation Units 332  
Initial Cost to Company, Land 6,640,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 26,743,760  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 4,487,114  
Gross Amount Carried at close of period 12/31/2010, Land 6,640,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 31,230,874  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 37,870,874  
Accumulated Depreciation (12,267,084)  
Investment in Real Estate Net 25,603,790  
Encumbrances 0  
Promenade Terrace [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Corona, CA  
Date of Constuction 1990  
Real Estate And Accumulated Depreciation Units 330  
Initial Cost to Company, Land 2,272,800  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 20,546,289  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 4,889,001  
Gross Amount Carried at close of period 12/31/2010, Land 2,272,800  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 25,435,290  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 27,708,090  
Accumulated Depreciation (14,665,897)  
Investment in Real Estate Net 13,042,193  
Encumbrances 0  
Promontory Pointe I And I I [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Phoenix, AZ  
Date of Constuction 1984/1996  
Real Estate And Accumulated Depreciation Units 424  
Initial Cost to Company, Land 2,355,509  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 30,421,840  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,871,392  
Gross Amount Carried at close of period 12/31/2010, Land 2,355,509  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 34,293,232  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 36,648,741  
Accumulated Depreciation (17,574,045)  
Investment in Real Estate Net 19,074,696  
Encumbrances 0  
Prospect Towers [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Hackensack, NJ  
Date of Constuction 1995  
Real Estate And Accumulated Depreciation Units 157  
Initial Cost to Company, Land 3,926,600  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 31,679,339  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,891,995  
Gross Amount Carried at close of period 12/31/2010, Land 3,926,600  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 35,571,334  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 39,497,934  
Accumulated Depreciation (14,860,521)  
Investment in Real Estate Net 24,637,413  
Encumbrances 0  
Prospect Towers I I [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Hackensack, NJ  
Date of Constuction 2002  
Real Estate And Accumulated Depreciation Units 203  
Initial Cost to Company, Land 4,500,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 40,623,746  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,303,318  
Gross Amount Carried at close of period 12/31/2010, Land 4,500,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 43,927,064  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 48,427,064  
Accumulated Depreciation (12,304,870)  
Investment in Real Estate Net 36,122,194  
Encumbrances 0  
Ravens Crest [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Plainsboro, NJ  
Date of Constuction 1984  
Real Estate And Accumulated Depreciation Units 704  
Initial Cost to Company, Land 4,670,850  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 42,080,642  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 12,305,515  
Gross Amount Carried at close of period 12/31/2010, Land 4,670,850  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 54,386,157  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 59,057,007  
Accumulated Depreciation (33,866,628)  
Investment in Real Estate Net 25,190,379  
Encumbrances 0  
Redmond Ridge [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Redmond, WA  
Date of Constuction 2008  
Real Estate And Accumulated Depreciation Units 321  
Initial Cost to Company, Land 6,975,705  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 46,175,001  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 130,545  
Gross Amount Carried at close of period 12/31/2010, Land 6,975,705  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 46,305,546  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 53,281,251  
Accumulated Depreciation (6,420,578)  
Investment in Real Estate Net 46,860,673  
Encumbrances 0  
Red 160 [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Redmond , WA (G)  
Date of Constuction 2011  
Real Estate And Accumulated Depreciation Units 250  
Initial Cost to Company, Land 15,546,376  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 65,305,957  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 128,077  
Gross Amount Carried at close of period 12/31/2010, Land 15,546,376  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 65,434,034  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 80,980,410  
Accumulated Depreciation (1,764,057)  
Investment in Real Estate Net 79,216,353  
Encumbrances 0  
Red Road Commons [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Miami, FL (G)  
Date of Constuction 2009  
Real Estate And Accumulated Depreciation Units 404  
Initial Cost to Company, Land 27,383,547  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 99,656,440  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 88,542  
Gross Amount Carried at close of period 12/31/2010, Land 27,383,547  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 99,744,982  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 127,128,529  
Accumulated Depreciation (7,014,820)  
Investment in Real Estate Net 120,113,709  
Encumbrances 0  
Regency Palms [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Huntington Beach, CA  
Date of Constuction 1969  
Real Estate And Accumulated Depreciation Units 310  
Initial Cost to Company, Land 1,857,400  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,713,253  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 4,662,931  
Gross Amount Carried at close of period 12/31/2010, Land 1,857,400  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 21,376,184  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 23,233,584  
Accumulated Depreciation (12,370,296)  
Investment in Real Estate Net 10,863,288  
Encumbrances 0  
Registry [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Northglenn, CO  
Date of Constuction 1986  
Real Estate And Accumulated Depreciation Units 208  
Initial Cost to Company, Land 2,000,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,925,007  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 185,780  
Gross Amount Carried at close of period 12/31/2010, Land 2,000,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 11,110,787  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 13,110,787  
Accumulated Depreciation (1,911,145)  
Investment in Real Estate Net 11,199,642  
Encumbrances 0  
Renaissance Villas [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Berkeley, CA (G)  
Date of Constuction 1998  
Real Estate And Accumulated Depreciation Units 34  
Initial Cost to Company, Land 2,458,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,542,000  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 66,604  
Gross Amount Carried at close of period 12/31/2010, Land 2,458,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 4,608,604  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 7,066,604  
Accumulated Depreciation (795,642)  
Investment in Real Estate Net 6,270,962  
Encumbrances 0  
Reserve at Ashley Lake [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Boynton Beach, FL  
Date of Constuction 1990  
Real Estate And Accumulated Depreciation Units 440  
Initial Cost to Company, Land 3,520,400  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 23,332,494  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 5,597,846  
Gross Amount Carried at close of period 12/31/2010, Land 3,520,400  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 28,930,340  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 32,450,740  
Accumulated Depreciation (14,691,506)  
Investment in Real Estate Net 17,759,234  
Encumbrances 0  
Reserve At Town Center I I W A Member
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Mill Creek, WA  
Date of Constuction 2009  
Real Estate And Accumulated Depreciation Units 100  
Initial Cost to Company, Land 4,310,417  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,165,442  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 24,078  
Gross Amount Carried at close of period 12/31/2010, Land 4,310,417  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 17,189,520  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 21,499,937  
Accumulated Depreciation (1,244,466)  
Investment in Real Estate Net 20,255,471  
Encumbrances 0  
Reserve at Town Center III [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Mill Creek, WA  
Date of Constuction (F)  
Real Estate And Accumulated Depreciation Units 0  
Initial Cost to Company, Land 2,089,388  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,111,424  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 0  
Gross Amount Carried at close of period 12/31/2010, Land 2,089,388  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 1,111,424  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 3,200,812  
Accumulated Depreciation 0  
Investment in Real Estate Net 3,200,812  
Encumbrances 0  
Residences at Bayview [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Pompano Beach, FL (G)  
Date of Constuction 2004  
Real Estate And Accumulated Depreciation Units 225  
Initial Cost to Company, Land 5,783,545  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 39,334,455  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 403,418  
Gross Amount Carried at close of period 12/31/2010, Land 5,783,545  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 39,737,873  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 45,521,418  
Accumulated Depreciation (3,437,193)  
Investment in Real Estate Net 42,084,225  
Encumbrances 0  
Retreat, The [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Phoenix, AZ  
Date of Constuction 1999  
Real Estate And Accumulated Depreciation Units 480  
Initial Cost to Company, Land 3,475,114  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 27,265,252  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,794,986  
Gross Amount Carried at close of period 12/31/2010, Land 3,475,114  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 30,060,238  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 33,535,352  
Accumulated Depreciation (13,502,357)  
Investment in Real Estate Net 20,032,995  
Encumbrances 0  
Rianna I [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Seattle, WA (G)  
Date of Constuction 2000  
Real Estate And Accumulated Depreciation Units 78  
Initial Cost to Company, Land 2,268,160  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 14,864,482  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 141,808  
Gross Amount Carried at close of period 12/31/2010, Land 2,268,160  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 15,006,290  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 17,274,450  
Accumulated Depreciation (1,860,348)  
Investment in Real Estate Net 15,414,102  
Encumbrances 0  
Ridgewood Village I And I I [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location San Diego, CA  
Date of Constuction 1997  
Real Estate And Accumulated Depreciation Units 408  
Initial Cost to Company, Land 11,809,500  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 34,004,048  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,924,110  
Gross Amount Carried at close of period 12/31/2010, Land 11,809,500  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 36,928,158  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 48,737,658  
Accumulated Depreciation (15,531,096)  
Investment in Real Estate Net 33,206,562  
Encumbrances 0  
River Tower [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location New York, NY (G)  
Date of Constuction 1982  
Real Estate And Accumulated Depreciation Units 323  
Initial Cost to Company, Land 118,669,441  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 98,880,559  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,505,315  
Gross Amount Carried at close of period 12/31/2010, Land 118,669,441  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 100,385,874  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 219,055,315  
Accumulated Depreciation (16,503,085)  
Investment in Real Estate Net 202,552,230  
Encumbrances 0  
Rivers Bend C T [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Windsor, CT  
Date of Constuction 1973  
Real Estate And Accumulated Depreciation Units 373  
Initial Cost to Company, Land 3,325,517  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 22,573,826  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,808,444  
Gross Amount Carried at close of period 12/31/2010, Land 3,325,517  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 25,382,270  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 28,707,787  
Accumulated Depreciation (10,675,715)  
Investment in Real Estate Net 18,032,072  
Encumbrances 0  
Riverview Condominiums [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Norwalk, CT  
Date of Constuction 1991  
Real Estate And Accumulated Depreciation Units 92  
Initial Cost to Company, Land 2,300,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,406,730  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,129,804  
Gross Amount Carried at close of period 12/31/2010, Land 2,300,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 9,536,534  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 11,836,534  
Accumulated Depreciation (4,459,420)  
Investment in Real Estate Net 7,377,114  
Encumbrances 0  
Rosecliff II [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Quincy, MA  
Date of Constuction 2005  
Real Estate And Accumulated Depreciation Units 130  
Initial Cost to Company, Land 4,922,840  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 30,202,160  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 7,250  
Gross Amount Carried at close of period 12/31/2010, Land 4,922,840  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 30,209,410  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 35,132,250  
Accumulated Depreciation (107,367)  
Investment in Real Estate Net 35,024,883  
Encumbrances 0  
Royal Oaks F L [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Jacksonville, FL  
Date of Constuction 1991  
Real Estate And Accumulated Depreciation Units 284  
Initial Cost to Company, Land 1,988,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,645,117  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 4,491,664  
Gross Amount Carried at close of period 12/31/2010, Land 1,988,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 18,136,781  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 20,124,781  
Accumulated Depreciation (8,638,178)  
Investment in Real Estate Net 11,486,603  
Encumbrances 0  
Sabal Palm at Lake Buena Vista [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Orlando, FL  
Date of Constuction 1988  
Real Estate And Accumulated Depreciation Units 400  
Initial Cost to Company, Land 2,800,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 23,687,893  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 5,622,700  
Gross Amount Carried at close of period 12/31/2010, Land 2,800,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 29,310,593  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 32,110,593  
Accumulated Depreciation (13,405,565)  
Investment in Real Estate Net 18,705,028  
Encumbrances 0  
Sabal Palm At Metrowest I I [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Orlando, FL  
Date of Constuction 1997  
Real Estate And Accumulated Depreciation Units 456  
Initial Cost to Company, Land 4,560,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 33,907,283  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,935,939  
Gross Amount Carried at close of period 12/31/2010, Land 4,560,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 36,843,222  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 41,403,222  
Accumulated Depreciation (17,227,183)  
Investment in Real Estate Net 24,176,039  
Encumbrances 0  
Sabal Pointe [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Coral Springs, FL  
Date of Constuction 1995  
Real Estate And Accumulated Depreciation Units 275  
Initial Cost to Company, Land 1,951,600  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,570,508  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 4,514,398  
Gross Amount Carried at close of period 12/31/2010, Land 1,951,600  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 22,084,906  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 24,036,506  
Accumulated Depreciation (12,666,537)  
Investment in Real Estate Net 11,369,969  
Encumbrances 0  
Sage Condominium Homes, LLC [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Everett, WA  
Date of Constuction 2002  
Real Estate And Accumulated Depreciation Units 123  
Initial Cost to Company, Land 2,500,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,021,256  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 453,063  
Gross Amount Carried at close of period 12/31/2010, Land 2,500,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 12,474,319  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 14,974,319  
Accumulated Depreciation (3,319,591)  
Investment in Real Estate Net 11,654,728  
Encumbrances 0  
Sakura Crossing [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Los Angeles, CA (G)  
Date of Constuction 2009  
Real Estate And Accumulated Depreciation Units 230  
Initial Cost to Company, Land 14,641,990  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 42,858,010  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 657  
Gross Amount Carried at close of period 12/31/2010, Land 14,641,990  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 42,858,667  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 57,500,657  
Accumulated Depreciation (321,156)  
Investment in Real Estate Net 57,179,501  
Encumbrances 0  
Savannah at Park Place [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Atlanta, GA  
Date of Constuction 2001  
Real Estate And Accumulated Depreciation Units 416  
Initial Cost to Company, Land 7,696,095  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 34,034,000  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,730,835  
Gross Amount Carried at close of period 12/31/2010, Land 7,696,095  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 36,764,835  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 44,460,930  
Accumulated Depreciation (11,527,618)  
Investment in Real Estate Net 32,933,312  
Encumbrances 0  
Savoy I I I [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Aurora, CO  
Date of Constuction (F)  
Real Estate And Accumulated Depreciation Units 0  
Initial Cost to Company, Land 659,165  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 15,126,173  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 0  
Gross Amount Carried at close of period 12/31/2010, Land 659,165  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 15,126,173  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 15,785,338  
Accumulated Depreciation 0  
Investment in Real Estate Net 15,785,338  
Encumbrances 0  
Scarborough Square [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Rockville, MD  
Date of Constuction 1967  
Real Estate And Accumulated Depreciation Units 121  
Initial Cost to Company, Land 1,815,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,608,126  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,525,055  
Gross Amount Carried at close of period 12/31/2010, Land 1,815,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 10,133,181  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 11,948,181  
Accumulated Depreciation (5,378,833)  
Investment in Real Estate Net 6,569,348  
Encumbrances 0  
Sedona Ridge [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Phoenix, AZ  
Date of Constuction 1989  
Real Estate And Accumulated Depreciation Units 250  
Initial Cost to Company, Land 3,750,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 14,750,000  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 474,406  
Gross Amount Carried at close of period 12/31/2010, Land 3,750,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 15,224,406  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 18,974,406  
Accumulated Depreciation (2,882,082)  
Investment in Real Estate Net 16,092,324  
Encumbrances 0  
Seeley Lake [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Lakewood, WA  
Date of Constuction 1990  
Real Estate And Accumulated Depreciation Units 522  
Initial Cost to Company, Land 2,760,400  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 24,845,286  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 4,653,709  
Gross Amount Carried at close of period 12/31/2010, Land 2,760,400  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 29,498,995  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 32,259,395  
Accumulated Depreciation (15,612,322)  
Investment in Real Estate Net 16,647,073  
Encumbrances 0  
Seventh And James [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Seattle, WA  
Date of Constuction 1992  
Real Estate And Accumulated Depreciation Units 96  
Initial Cost to Company, Land 663,800  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,974,803  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,128,846  
Gross Amount Carried at close of period 12/31/2010, Land 663,800  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 9,103,649  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 9,767,449  
Accumulated Depreciation (5,206,225)  
Investment in Real Estate Net 4,561,224  
Encumbrances 0  
Shadow Creek [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Winter Springs, FL  
Date of Constuction 2000  
Real Estate And Accumulated Depreciation Units 280  
Initial Cost to Company, Land 6,000,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 21,719,768  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,572,807  
Gross Amount Carried at close of period 12/31/2010, Land 6,000,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 23,292,575  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 29,292,575  
Accumulated Depreciation (7,236,138)  
Investment in Real Estate Net 22,056,437  
Encumbrances 0  
Sheridan Lake Club [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Dania Beach, FL  
Date of Constuction 2001  
Real Estate And Accumulated Depreciation Units 240  
Initial Cost to Company, Land 12,000,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 23,170,580  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,359,509  
Gross Amount Carried at close of period 12/31/2010, Land 12,000,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 24,530,089  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 36,530,089  
Accumulated Depreciation (6,610,875)  
Investment in Real Estate Net 29,919,214  
Encumbrances 0  
Sheridan Ocean Club Combined [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Dania Beach, FL  
Date of Constuction 1991  
Real Estate And Accumulated Depreciation Units 648  
Initial Cost to Company, Land 18,313,414  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 47,091,594  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 14,449,396  
Gross Amount Carried at close of period 12/31/2010, Land 18,313,414  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 61,540,990  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 79,854,404  
Accumulated Depreciation (24,316,848)  
Investment in Real Estate Net 55,537,556  
Encumbrances 0  
Siena Terrace [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Lake Forest, CA  
Date of Constuction 1988  
Real Estate And Accumulated Depreciation Units 356  
Initial Cost to Company, Land 8,900,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 24,083,024  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,009,699  
Gross Amount Carried at close of period 12/31/2010, Land 8,900,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 27,092,723  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 35,992,723  
Accumulated Depreciation (12,680,205)  
Investment in Real Estate Net 23,312,518  
Encumbrances 0  
Skycrest [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Valencia, CA  
Date of Constuction 1999  
Real Estate And Accumulated Depreciation Units 264  
Initial Cost to Company, Land 10,560,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 25,574,457  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,987,885  
Gross Amount Carried at close of period 12/31/2010, Land 10,560,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 27,562,342  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 38,122,342  
Accumulated Depreciation (11,026,671)  
Investment in Real Estate Net 27,095,671  
Encumbrances 0  
Skylark [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Union City, CA  
Date of Constuction 1986  
Real Estate And Accumulated Depreciation Units 174  
Initial Cost to Company, Land 1,781,600  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,731,916  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,737,878  
Gross Amount Carried at close of period 12/31/2010, Land 1,781,600  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 18,469,794  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 20,251,394  
Accumulated Depreciation (8,810,822)  
Investment in Real Estate Net 11,440,572  
Encumbrances 0  
Skyline Terrace [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Burlingame, CA  
Date of Constuction 1967 & 1987  
Real Estate And Accumulated Depreciation Units 138  
Initial Cost to Company, Land 16,836,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 35,414,000  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 574,744  
Gross Amount Carried at close of period 12/31/2010, Land 16,836,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 35,988,744  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 52,824,744  
Accumulated Depreciation (3,233,204)  
Investment in Real Estate Net 49,591,540  
Encumbrances 0  
Skyline Towers [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Falls Church, VA (G)  
Date of Constuction 1971  
Real Estate And Accumulated Depreciation Units 939  
Initial Cost to Company, Land 78,278,200  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 91,485,591  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 28,949,642  
Gross Amount Carried at close of period 12/31/2010, Land 78,278,200  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 120,435,233  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 198,713,433  
Accumulated Depreciation (37,194,628)  
Investment in Real Estate Net 161,518,805  
Encumbrances 0  
Skyview [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Rancho Santa Margarita, CA  
Date of Constuction 1999  
Real Estate And Accumulated Depreciation Units 260  
Initial Cost to Company, Land 3,380,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 21,952,863  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,827,160  
Gross Amount Carried at close of period 12/31/2010, Land 3,380,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 23,780,023  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 27,160,023  
Accumulated Depreciation (10,583,765)  
Investment in Real Estate Net 16,576,258  
Encumbrances 0  
Sonoran [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Phoenix, AZ  
Date of Constuction 1995  
Real Estate And Accumulated Depreciation Units 429  
Initial Cost to Company, Land 2,361,922  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 31,841,724  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,086,404  
Gross Amount Carried at close of period 12/31/2010, Land 2,361,922  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 34,928,128  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 37,290,050  
Accumulated Depreciation (17,405,642)  
Investment in Real Estate Net 19,884,408  
Encumbrances 0  
Southwood [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Palo Alto, CA  
Date of Constuction 1985  
Real Estate And Accumulated Depreciation Units 100  
Initial Cost to Company, Land 6,936,600  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 14,324,069  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,518,550  
Gross Amount Carried at close of period 12/31/2010, Land 6,936,600  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 16,842,619  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 23,779,219  
Accumulated Depreciation (8,121,990)  
Investment in Real Estate Net 15,657,229  
Encumbrances 0  
Springbrook Estates [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Riverside, CA  
Date of Constuction (F)  
Real Estate And Accumulated Depreciation Units 0  
Initial Cost to Company, Land 18,200,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 0  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 0  
Gross Amount Carried at close of period 12/31/2010, Land 18,200,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 0  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 18,200,000  
Accumulated Depreciation 0  
Investment in Real Estate Net 18,200,000  
Encumbrances 0  
Springs Colony [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Altamonte Springs, FL  
Date of Constuction 1986  
Real Estate And Accumulated Depreciation Units 188  
Initial Cost to Company, Land 630,411  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,852,157  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,472,624  
Gross Amount Carried at close of period 12/31/2010, Land 630,411  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 8,324,781  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 8,955,192  
Accumulated Depreciation (5,475,003)  
Investment in Real Estate Net 3,480,189  
Encumbrances 0  
St. Andrews at Winston Park [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Coconut Creek, FL  
Date of Constuction 1997  
Real Estate And Accumulated Depreciation Units 284  
Initial Cost to Company, Land 5,680,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 19,812,090  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,633,219  
Gross Amount Carried at close of period 12/31/2010, Land 5,680,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 22,445,309  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 28,125,309  
Accumulated Depreciation (8,422,121)  
Investment in Real Estate Net 19,703,188  
Encumbrances 0  
Stoneleigh at Deerfield [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Alpharetta, GA  
Date of Constuction 2003  
Real Estate And Accumulated Depreciation Units 370  
Initial Cost to Company, Land 4,810,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 29,999,596  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 940,991  
Gross Amount Carried at close of period 12/31/2010, Land 4,810,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 30,940,587  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 35,750,587  
Accumulated Depreciation (8,733,406)  
Investment in Real Estate Net 27,017,181  
Encumbrances 0  
Stoney Creek [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Lakewood, WA  
Date of Constuction 1990  
Real Estate And Accumulated Depreciation Units 231  
Initial Cost to Company, Land 1,215,200  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,938,134  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,431,476  
Gross Amount Carried at close of period 12/31/2010, Land 1,215,200  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 13,369,610  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 14,584,810  
Accumulated Depreciation (7,261,625)  
Investment in Real Estate Net 7,323,185  
Encumbrances 0  
Summerset Village [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Chatsworth, CA  
Date of Constuction (F)  
Real Estate And Accumulated Depreciation Units 0  
Initial Cost to Company, Land 260,646  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 0  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 0  
Gross Amount Carried at close of period 12/31/2010, Land 260,646  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 0  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 260,646  
Accumulated Depreciation 0  
Investment in Real Estate Net 260,646  
Encumbrances 0  
Summit And Birch Hill [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Farmington, CT  
Date of Constuction 1967  
Real Estate And Accumulated Depreciation Units 186  
Initial Cost to Company, Land 1,757,438  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,748,112  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,983,818  
Gross Amount Carried at close of period 12/31/2010, Land 1,757,438  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 14,731,930  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 16,489,368  
Accumulated Depreciation (6,433,027)  
Investment in Real Estate Net 10,056,341  
Encumbrances 0  
Surprise Lake Village
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Milton, WA  
Date of Constuction 1986  
Real Estate And Accumulated Depreciation Units 338  
Initial Cost to Company, Land 4,162,543  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 21,994,412  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 649,532  
Gross Amount Carried at close of period 12/31/2010, Land 4,162,543  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 22,643,944  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 26,806,487  
Accumulated Depreciation (3,664,956)  
Investment in Real Estate Net 23,141,531  
Encumbrances 0  
Sycamore Creek [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Scottsdale, AZ  
Date of Constuction 1984  
Real Estate And Accumulated Depreciation Units 350  
Initial Cost to Company, Land 3,152,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 19,083,727  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,176,046  
Gross Amount Carried at close of period 12/31/2010, Land 3,152,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 22,259,773  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 25,411,773  
Accumulated Depreciation (11,798,644)  
Investment in Real Estate Net 13,613,129  
Encumbrances 0  
Ten23 (fka 500 West 23rd Street) [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location New York, NY (G)  
Date of Constuction 2011  
Real Estate And Accumulated Depreciation Units 111  
Initial Cost to Company, Land 0  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 53,001,730  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 0  
Gross Amount Carried at close of period 12/31/2010, Land 0  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 53,001,730  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 53,001,730  
Accumulated Depreciation 0  
Investment in Real Estate Net 53,001,730  
Encumbrances 0  
Terraces, The [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location San Francisco, CA (G)  
Date of Constuction 1975  
Real Estate And Accumulated Depreciation Units 117  
Initial Cost to Company, Land 14,087,610  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,337,390  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,176  
Gross Amount Carried at close of period 12/31/2010, Land 14,087,610  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 16,339,566  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 30,427,176  
Accumulated Depreciation (66,507)  
Investment in Real Estate Net 30,360,669  
Encumbrances 0  
3rd Square-285 3rd Street [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Cambridge, MA (G)  
Date of Constuction 2008/2009  
Real Estate And Accumulated Depreciation Units 471  
Initial Cost to Company, Land 26,767,171  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 218,232,419  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 993,046  
Gross Amount Carried at close of period 12/31/2010, Land 26,767,171  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 219,225,465  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 245,992,636  
Accumulated Depreciation (23,830,415)  
Investment in Real Estate Net 222,162,221  
Encumbrances 0  
Tortuga Bay [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Orlando, FL  
Date of Constuction 2004  
Real Estate And Accumulated Depreciation Units 314  
Initial Cost to Company, Land 6,280,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 32,121,779  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,101,933  
Gross Amount Carried at close of period 12/31/2010, Land 6,280,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 33,223,712  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 39,503,712  
Accumulated Depreciation (9,084,110)  
Investment in Real Estate Net 30,419,602  
Encumbrances 0  
Toscana [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Irvine, CA  
Date of Constuction 1991/1993  
Real Estate And Accumulated Depreciation Units 563  
Initial Cost to Company, Land 39,410,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 50,806,072  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 6,734,465  
Gross Amount Carried at close of period 12/31/2010, Land 39,410,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 57,540,537  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 96,950,537  
Accumulated Depreciation (23,926,306)  
Investment in Real Estate Net 73,024,231  
Encumbrances 0  
Townes at Herndon [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Herndon, VA  
Date of Constuction 2002  
Real Estate And Accumulated Depreciation Units 218  
Initial Cost to Company, Land 10,900,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 49,216,125  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 687,699  
Gross Amount Carried at close of period 12/31/2010, Land 10,900,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 49,903,824  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 60,803,824  
Accumulated Depreciation (12,452,191)  
Investment in Real Estate Net 48,351,633  
Encumbrances 0  
Trump Place 140 Riverside [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location New York, NY (G)  
Date of Constuction 2003  
Real Estate And Accumulated Depreciation Units 354  
Initial Cost to Company, Land 103,539,100  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 94,082,725  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,776,392  
Gross Amount Carried at close of period 12/31/2010, Land 103,539,100  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 95,859,117  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 199,398,217  
Accumulated Depreciation (23,301,809)  
Investment in Real Estate Net 176,096,408  
Encumbrances 0  
Trump Place 160 Riverside [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location New York, NY (G)  
Date of Constuction 2001  
Real Estate And Accumulated Depreciation Units 455  
Initial Cost to Company, Land 139,933,500  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 190,964,745  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 6,185,491  
Gross Amount Carried at close of period 12/31/2010, Land 139,933,500  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 197,150,236  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 337,083,736  
Accumulated Depreciation (45,819,143)  
Investment in Real Estate Net 291,264,593  
Encumbrances 0  
Trump place 180 Riverside [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location New York, NY (G)  
Date of Constuction 1998  
Real Estate And Accumulated Depreciation Units 516  
Initial Cost to Company, Land 144,968,250  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 138,346,681  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 6,290,045  
Gross Amount Carried at close of period 12/31/2010, Land 144,968,250  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 144,636,726  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 289,604,976  
Accumulated Depreciation (35,545,460)  
Investment in Real Estate Net 254,059,516  
Encumbrances 0  
Uwajimaya Village [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Seattle, WA  
Date of Constuction 2002  
Real Estate And Accumulated Depreciation Units 176  
Initial Cost to Company, Land 8,800,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 22,188,288  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 271,647  
Gross Amount Carried at close of period 12/31/2010, Land 8,800,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 22,459,935  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 31,259,935  
Accumulated Depreciation (6,624,216)  
Investment in Real Estate Net 24,635,719  
Encumbrances 0  
Valencia Plantation [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Orlando, FL  
Date of Constuction 1990  
Real Estate And Accumulated Depreciation Units 194  
Initial Cost to Company, Land 873,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,819,377  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,196,462  
Gross Amount Carried at close of period 12/31/2010, Land 873,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 15,015,839  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 15,888,839  
Accumulated Depreciation (7,071,212)  
Investment in Real Estate Net 8,817,627  
Encumbrances 0  
Vantage Pointe [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location San Diego, CA (G)  
Date of Constuction 2009  
Real Estate And Accumulated Depreciation Units 679  
Initial Cost to Company, Land 9,403,960  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 190,596,040  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,992,384  
Gross Amount Carried at close of period 12/31/2010, Land 9,403,960  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 193,588,424  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 202,992,384  
Accumulated Depreciation (11,668,707)  
Investment in Real Estate Net 191,323,677  
Encumbrances 0  
Veridian [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Silver Spring, MD (G)  
Date of Constuction 2009  
Real Estate And Accumulated Depreciation Units 457  
Initial Cost to Company, Land 18,539,817  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 130,407,365  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 200,587  
Gross Amount Carried at close of period 12/31/2010, Land 18,539,817  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 130,607,952  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 149,147,769  
Accumulated Depreciation (11,516,355)  
Investment in Real Estate Net 137,631,414  
Encumbrances 0  
Versailles (K-Town) [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Los Angeles, CA  
Date of Constuction 2008  
Real Estate And Accumulated Depreciation Units 225  
Initial Cost to Company, Land 10,590,975  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 44,409,025  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 119,893  
Gross Amount Carried at close of period 12/31/2010, Land 10,590,975  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 44,528,918  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 55,119,893  
Accumulated Depreciation (4,998,525)  
Investment in Real Estate Net 50,121,368  
Encumbrances 0  
Victor on Venice [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Los Angeles, CA (G)  
Date of Constuction 2006  
Real Estate And Accumulated Depreciation Units 115  
Initial Cost to Company, Land 10,350,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 35,433,437  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 211,045  
Gross Amount Carried at close of period 12/31/2010, Land 10,350,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 35,644,482  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 45,994,482  
Accumulated Depreciation (7,709,609)  
Investment in Real Estate Net 38,284,873  
Encumbrances 0  
Villa Solana [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Laguna Hills, CA  
Date of Constuction 1984  
Real Estate And Accumulated Depreciation Units 272  
Initial Cost to Company, Land 1,665,100  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 14,985,677  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 6,763,757  
Gross Amount Carried at close of period 12/31/2010, Land 1,665,100  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 21,749,434  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 23,414,534  
Accumulated Depreciation (13,252,476)  
Investment in Real Estate Net 10,162,058  
Encumbrances 0  
Village at Bear Creek [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Lakewood, CO  
Date of Constuction 1987  
Real Estate And Accumulated Depreciation Units 472  
Initial Cost to Company, Land 4,519,700  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 40,676,390  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 4,709,335  
Gross Amount Carried at close of period 12/31/2010, Land 4,519,700  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 45,385,725  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 49,905,425  
Accumulated Depreciation (23,047,453)  
Investment in Real Estate Net 26,857,972  
Encumbrances 0  
Vista Del Lago [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Mission Viejo, CA  
Date of Constuction 1986-1988  
Real Estate And Accumulated Depreciation Units 608  
Initial Cost to Company, Land 4,525,800  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 40,736,293  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 12,750,488  
Gross Amount Carried at close of period 12/31/2010, Land 4,525,800  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 53,486,781  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 58,012,581  
Accumulated Depreciation (32,354,232)  
Investment in Real Estate Net 25,658,349  
Encumbrances 0  
Vista Grove [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Mesa, AZ  
Date of Constuction 1997/1998  
Real Estate And Accumulated Depreciation Units 224  
Initial Cost to Company, Land 1,341,796  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,157,045  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,350,805  
Gross Amount Carried at close of period 12/31/2010, Land 1,341,796  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 13,507,850  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 14,849,646  
Accumulated Depreciation (6,719,180)  
Investment in Real Estate Net 8,130,466  
Encumbrances 0  
Vista Montana - Residential and Townhomes [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location San Jose, CA  
Date of Constuction (F)  
Real Estate And Accumulated Depreciation Units 0  
Initial Cost to Company, Land 27,000,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 402,025  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 0  
Gross Amount Carried at close of period 12/31/2010, Land 27,000,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 402,025  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 27,402,025  
Accumulated Depreciation 0  
Investment in Real Estate Net 27,402,025  
Encumbrances 0  
Vista on Courthouse [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Arlington, VA  
Date of Constuction 2008  
Real Estate And Accumulated Depreciation Units 220  
Initial Cost to Company, Land 15,550,260  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 69,449,740  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 321,207  
Gross Amount Carried at close of period 12/31/2010, Land 15,550,260  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 69,770,947  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 85,321,207  
Accumulated Depreciation (7,990,132)  
Investment in Real Estate Net 77,331,075  
Encumbrances 0  
Walden Park [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Cambridge, MA  
Date of Constuction 1966  
Real Estate And Accumulated Depreciation Units 232  
Initial Cost to Company, Land 12,448,888  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 52,451,112  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 5,623  
Gross Amount Carried at close of period 12/31/2010, Land 12,448,888  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 52,456,735  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 64,905,623  
Accumulated Depreciation (375,173)  
Investment in Real Estate Net 64,530,450  
Encumbrances 0  
Waterford at Deerwood [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Jacksonville, FL  
Date of Constuction 1985  
Real Estate And Accumulated Depreciation Units 248  
Initial Cost to Company, Land 1,496,913  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,659,702  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,971,640  
Gross Amount Carried at close of period 12/31/2010, Land 1,496,913  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 14,631,342  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 16,128,255  
Accumulated Depreciation (7,399,404)  
Investment in Real Estate Net 8,728,851  
Encumbrances 0  
Waterford at Orange Park [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Orange Park, FL  
Date of Constuction 1986  
Real Estate And Accumulated Depreciation Units 280  
Initial Cost to Company, Land 1,960,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,098,784  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,088,273  
Gross Amount Carried at close of period 12/31/2010, Land 1,960,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 15,187,057  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 17,147,057  
Accumulated Depreciation (8,006,263)  
Investment in Real Estate Net 9,140,794  
Encumbrances 0  
Waterford Place C O [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Thornton, CO  
Date of Constuction 1998  
Real Estate And Accumulated Depreciation Units 336  
Initial Cost to Company, Land 5,040,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 29,946,419  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,514,787  
Gross Amount Carried at close of period 12/31/2010, Land 5,040,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 31,461,206  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 36,501,206  
Accumulated Depreciation (10,889,463)  
Investment in Real Estate Net 25,611,743  
Encumbrances 0  
Waterside [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Reston, VA  
Date of Constuction 1984  
Real Estate And Accumulated Depreciation Units 276  
Initial Cost to Company, Land 20,700,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 27,474,388  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 7,861,949  
Gross Amount Carried at close of period 12/31/2010, Land 20,700,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 35,336,337  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 56,036,337  
Accumulated Depreciation (10,816,319)  
Investment in Real Estate Net 45,220,018  
Encumbrances 0  
Webster Green [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Needham, MA  
Date of Constuction 1985  
Real Estate And Accumulated Depreciation Units 77  
Initial Cost to Company, Land 1,418,893  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,485,006  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,040,968  
Gross Amount Carried at close of period 12/31/2010, Land 1,418,893  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 10,525,974  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 11,944,867  
Accumulated Depreciation (4,303,747)  
Investment in Real Estate Net 7,641,120  
Encumbrances 0  
Welleby Lake Club [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Sunrise, FL  
Date of Constuction 1991  
Real Estate And Accumulated Depreciation Units 304  
Initial Cost to Company, Land 3,648,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,620,879  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 4,590,765  
Gross Amount Carried at close of period 12/31/2010, Land 3,648,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 22,211,644  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 25,859,644  
Accumulated Depreciation (10,471,643)  
Investment in Real Estate Net 15,388,001  
Encumbrances 0  
West End Apartments [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Boston, MA (G)  
Date of Constuction 2008  
Real Estate And Accumulated Depreciation Units 310  
Initial Cost to Company, Land 469,546  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 163,123,022  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 371,431  
Gross Amount Carried at close of period 12/31/2010, Land 469,546  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 163,494,453  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 163,963,999  
Accumulated Depreciation (21,595,586)  
Investment in Real Estate Net 142,368,413  
Encumbrances 0  
West Seattle [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Seattle, WA  
Date of Constuction (F)  
Real Estate And Accumulated Depreciation Units 0  
Initial Cost to Company, Land 11,726,305  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 134,366  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 0  
Gross Amount Carried at close of period 12/31/2010, Land 11,726,305  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 134,366  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 11,860,671  
Accumulated Depreciation 0  
Investment in Real Estate Net 11,860,671  
Encumbrances 0  
Westerly at Worldgate [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Herndon, VA  
Date of Constuction 1995  
Real Estate And Accumulated Depreciation Units 320  
Initial Cost to Company, Land 14,568,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 43,620,057  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,266,145  
Gross Amount Carried at close of period 12/31/2010, Land 14,568,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 44,886,202  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 59,454,202  
Accumulated Depreciation (8,061,110)  
Investment in Real Estate Net 51,393,092  
Encumbrances 0  
Westgate Block 2 [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Pasadena, CA  
Date of Constuction (F)  
Real Estate And Accumulated Depreciation Units 0  
Initial Cost to Company, Land 17,859,785  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,226,268  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 0  
Gross Amount Carried at close of period 12/31/2010, Land 17,859,785  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 17,226,268  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 35,086,053  
Accumulated Depreciation 0  
Investment in Real Estate Net 35,086,053  
Encumbrances 0  
Westgate Block 1 [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Pasadena, CA  
Date of Constuction (F)  
Real Estate And Accumulated Depreciation Units 0  
Initial Cost to Company, Land 12,118,061  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,402,664  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 0  
Gross Amount Carried at close of period 12/31/2010, Land 12,118,061  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 4,402,664  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 16,520,725  
Accumulated Depreciation 0  
Investment in Real Estate Net 16,520,725  
Encumbrances 0  
Westridge [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Tacoma, WA  
Date of Constuction 1987 -1991  
Real Estate And Accumulated Depreciation Units 714  
Initial Cost to Company, Land 3,501,900  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 31,506,082  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 7,003,576  
Gross Amount Carried at close of period 12/31/2010, Land 3,501,900  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 38,509,658  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 42,011,558  
Accumulated Depreciation (20,787,738)  
Investment in Real Estate Net 21,223,820  
Encumbrances 0  
Westside Villas I [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Los Angeles, CA  
Date of Constuction 1999  
Real Estate And Accumulated Depreciation Units 21  
Initial Cost to Company, Land 1,785,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,233,254  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 274,539  
Gross Amount Carried at close of period 12/31/2010, Land 1,785,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 3,507,793  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 5,292,793  
Accumulated Depreciation (1,444,813)  
Investment in Real Estate Net 3,847,980  
Encumbrances 0  
Westside Villas II [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Los Angeles, CA  
Date of Constuction 1999  
Real Estate And Accumulated Depreciation Units 23  
Initial Cost to Company, Land 1,955,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,541,435  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 159,881  
Gross Amount Carried at close of period 12/31/2010, Land 1,955,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 3,701,316  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 5,656,316  
Accumulated Depreciation (1,444,271)  
Investment in Real Estate Net 4,212,045  
Encumbrances 0  
Westside Villas III [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Los Angeles, CA  
Date of Constuction 1999  
Real Estate And Accumulated Depreciation Units 36  
Initial Cost to Company, Land 3,060,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,538,871  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 235,019  
Gross Amount Carried at close of period 12/31/2010, Land 3,060,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 5,773,890  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 8,833,890  
Accumulated Depreciation (2,252,284)  
Investment in Real Estate Net 6,581,606  
Encumbrances 0  
Westside Villas IV [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Los Angeles, CA  
Date of Constuction 1999  
Real Estate And Accumulated Depreciation Units 36  
Initial Cost to Company, Land 3,060,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,539,390  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 243,466  
Gross Amount Carried at close of period 12/31/2010, Land 3,060,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 5,782,856  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 8,842,856  
Accumulated Depreciation (2,251,558)  
Investment in Real Estate Net 6,591,298  
Encumbrances 0  
Westside Villas V [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Los Angeles, CA  
Date of Constuction 1999  
Real Estate And Accumulated Depreciation Units 60  
Initial Cost to Company, Land 5,100,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,224,485  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 420,696  
Gross Amount Carried at close of period 12/31/2010, Land 5,100,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 9,645,181  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 14,745,181  
Accumulated Depreciation (3,769,440)  
Investment in Real Estate Net 10,975,741  
Encumbrances 0  
Westside Villas VI [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Los Angeles, CA  
Date of Constuction 1989  
Real Estate And Accumulated Depreciation Units 18  
Initial Cost to Company, Land 1,530,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,023,523  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 247,685  
Gross Amount Carried at close of period 12/31/2010, Land 1,530,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 3,271,208  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 4,801,208  
Accumulated Depreciation (1,306,921)  
Investment in Real Estate Net 3,494,287  
Encumbrances 0  
Westside Villas VII [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Los Angeles, CA  
Date of Constuction 2001  
Real Estate And Accumulated Depreciation Units 53  
Initial Cost to Company, Land 4,505,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,758,900  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 407,425  
Gross Amount Carried at close of period 12/31/2010, Land 4,505,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 11,166,325  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 15,671,325  
Accumulated Depreciation (3,777,977)  
Investment in Real Estate Net 11,893,348  
Encumbrances 0  
Wimberly at Deerwood [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Jacksonville, FL  
Date of Constuction 2000  
Real Estate And Accumulated Depreciation Units 322  
Initial Cost to Company, Land 8,000,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 30,057,214  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,642,086  
Gross Amount Carried at close of period 12/31/2010, Land 8,000,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 31,699,300  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 39,699,300  
Accumulated Depreciation (8,241,714)  
Investment in Real Estate Net 31,457,586  
Encumbrances 0  
Winchester Park [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Riverside, RI  
Date of Constuction 1972  
Real Estate And Accumulated Depreciation Units 416  
Initial Cost to Company, Land 2,822,618  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 18,868,626  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 6,898,312  
Gross Amount Carried at close of period 12/31/2010, Land 2,822,618  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 25,766,938  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 28,589,556  
Accumulated Depreciation (11,731,473)  
Investment in Real Estate Net 16,858,083  
Encumbrances 0  
Winchester Wood [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Riverside, RI  
Date of Constuction 1989  
Real Estate And Accumulated Depreciation Units 62  
Initial Cost to Company, Land 683,215  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,567,154  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 842,944  
Gross Amount Carried at close of period 12/31/2010, Land 683,215  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 5,410,098  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 6,093,313  
Accumulated Depreciation (2,252,943)  
Investment in Real Estate Net 3,840,370  
Encumbrances 0  
Windsor at Fair Lakes [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Fairfax, VA  
Date of Constuction 1988  
Real Estate And Accumulated Depreciation Units 250  
Initial Cost to Company, Land 10,000,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 28,587,109  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 6,385,915  
Gross Amount Carried at close of period 12/31/2010, Land 10,000,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 34,973,024  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 44,973,024  
Accumulated Depreciation (11,053,951)  
Investment in Real Estate Net 33,919,073  
Encumbrances 0  
Winston F L [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Pembroke Pines, FL  
Date of Constuction 2001/2003  
Real Estate And Accumulated Depreciation Units 464  
Initial Cost to Company, Land 18,561,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 49,527,569  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,066,953  
Gross Amount Carried at close of period 12/31/2010, Land 18,561,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 51,594,522  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 70,155,522  
Accumulated Depreciation (11,364,025)  
Investment in Real Estate Net 58,791,497  
Encumbrances 0  
Wood Creek C A [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Pleasant Hill, CA  
Date of Constuction 1987  
Real Estate And Accumulated Depreciation Units 256  
Initial Cost to Company, Land 9,729,900  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 23,009,768  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 5,486,055  
Gross Amount Carried at close of period 12/31/2010, Land 9,729,900  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 28,495,823  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 38,225,723  
Accumulated Depreciation (13,857,483)  
Investment in Real Estate Net 24,368,240  
Encumbrances 0  
Woodbridge C T [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Chicago, IL  
Date of Constuction (F)  
Real Estate And Accumulated Depreciation Units 0  
Initial Cost to Company, Land 0  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,950,020  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 0  
Gross Amount Carried at close of period 12/31/2010, Land 0  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 1,950,020  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 1,950,020  
Accumulated Depreciation 0  
Investment in Real Estate Net 1,950,020  
Encumbrances 0  
Wholly Owned Unencumbered [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Units 75,704  
Initial Cost to Company, Land 3,271,110,872  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,313,640,030  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 919,933,512  
Gross Amount Carried at close of period 12/31/2010, Land 3,271,110,872  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 10,233,573,542  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 13,504,684,414  
Accumulated Depreciation (2,901,009,678)  
Investment in Real Estate Net 10,603,674,736  
Encumbrances 0  
House 929 [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Cambridge, MA (G)  
Date of Constuction 1975  
Real Estate And Accumulated Depreciation Units 127  
Initial Cost to Company, Land 3,252,993  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 21,745,595  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 4,619,180  
Gross Amount Carried at close of period 12/31/2010, Land 3,252,993  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 26,364,775  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 29,617,768  
Accumulated Depreciation (10,267,914)  
Investment in Real Estate Net 19,349,854  
Encumbrances 2,771,507  
Gaia Building [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Berkeley, CA (G)  
Date of Constuction 2000  
Real Estate And Accumulated Depreciation Units 91  
Initial Cost to Company, Land 7,113,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 25,623,826  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 162,348  
Gross Amount Carried at close of period 12/31/2010, Land 7,113,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 25,786,174  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 32,899,174  
Accumulated Depreciation (5,408,769)  
Investment in Real Estate Net 27,490,405  
Encumbrances 14,630,000  
Reserve at Clarendon Centre, The [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Arlington, VA (G)  
Date of Constuction 2003  
Real Estate And Accumulated Depreciation Units 252  
Initial Cost to Company, Land 10,500,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 52,812,935  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,624,457  
Gross Amount Carried at close of period 12/31/2010, Land 10,500,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 55,437,392  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 65,937,392  
Accumulated Depreciation (16,220,530)  
Investment in Real Estate Net 49,716,862  
Fine Arts Building [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Berkeley, CA (G)  
Date of Constuction 2004  
Real Estate And Accumulated Depreciation Units 100  
Initial Cost to Company, Land 7,817,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 26,462,772  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 79,744  
Gross Amount Carried at close of period 12/31/2010, Land 7,817,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 26,542,516  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 34,359,516  
Accumulated Depreciation (5,605,770)  
Investment in Real Estate Net 28,753,746  
Encumbrances 16,215,000  
Fairfield [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Stamford, CT (G)  
Date of Constuction 1996  
Real Estate And Accumulated Depreciation Units 263  
Initial Cost to Company, Land 6,510,200  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 39,690,120  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 5,451,905  
Gross Amount Carried at close of period 12/31/2010, Land 6,510,200  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 45,142,025  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 51,652,225  
Accumulated Depreciation (21,756,531)  
Investment in Real Estate Net 29,895,694  
Encumbrances 34,595,000  
Estates at Tanglewood [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Westminster, CO  
Date of Constuction 2003  
Real Estate And Accumulated Depreciation Units 504  
Initial Cost to Company, Land 7,560,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 51,256,538  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,139,241  
Gross Amount Carried at close of period 12/31/2010, Land 7,560,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 53,395,779  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 60,955,779  
Accumulated Depreciation (14,217,883)  
Investment in Real Estate Net 46,737,896  
Estates at Maitland Summit [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Orlando, FL  
Date of Constuction 1998  
Real Estate And Accumulated Depreciation Units 272  
Initial Cost to Company, Land 9,520,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 28,352,160  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 790,374  
Gross Amount Carried at close of period 12/31/2010, Land 9,520,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 29,142,534  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 38,662,534  
Accumulated Depreciation (8,841,396)  
Investment in Real Estate Net 29,821,138  
Deerwood (SD) [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location San Diego, CA  
Date of Constuction 1990  
Real Estate And Accumulated Depreciation Units 316  
Initial Cost to Company, Land 2,082,095  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 18,739,815  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 13,192,417  
Gross Amount Carried at close of period 12/31/2010, Land 2,082,095  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 31,932,232  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 34,014,327  
Accumulated Depreciation (19,263,646)  
Investment in Real Estate Net 14,750,681  
Crescent at Cherry Creek [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Denver, CO  
Date of Constuction 1994  
Real Estate And Accumulated Depreciation Units 216  
Initial Cost to Company, Land 2,594,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 15,149,470  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,226,064  
Gross Amount Carried at close of period 12/31/2010, Land 2,594,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 18,375,534  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 20,969,534  
Accumulated Depreciation (8,864,759)  
Investment in Real Estate Net 12,104,775  
Creekside (San Mateo) [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location San Mateo, CA  
Date of Constuction 1985  
Real Estate And Accumulated Depreciation Units 192  
Initial Cost to Company, Land 9,606,600  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 21,193,232  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,748,866  
Gross Amount Carried at close of period 12/31/2010, Land 9,606,600  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 23,942,098  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 33,548,698  
Accumulated Depreciation (10,867,143)  
Investment in Real Estate Net 22,681,555  
Country Club Lakes [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Jacksonville, FL  
Date of Constuction 1997  
Real Estate And Accumulated Depreciation Units 555  
Initial Cost to Company, Land 15,000,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 41,055,786  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 4,992,551  
Gross Amount Carried at close of period 12/31/2010, Land 15,000,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 46,048,337  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 61,048,337  
Accumulated Depreciation (13,233,047)  
Investment in Real Estate Net 47,815,290  
Encumbrances 31,516,374  
Country Brook [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Chandler, AZ  
Date of Constuction 1986-1996  
Real Estate And Accumulated Depreciation Units 396  
Initial Cost to Company, Land 1,505,219  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 29,542,535  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 5,114,344  
Gross Amount Carried at close of period 12/31/2010, Land 1,505,219  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 34,656,879  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 36,162,098  
Accumulated Depreciation (16,823,253)  
Investment in Real Estate Net 19,338,845  
Copper Canyon [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Highlands Ranch, CO  
Date of Constuction 1999  
Real Estate And Accumulated Depreciation Units 222  
Initial Cost to Company, Land 1,442,212  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,251,114  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,380,659  
Gross Amount Carried at close of period 12/31/2010, Land 1,442,212  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 17,631,773  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 19,073,985  
Accumulated Depreciation (7,981,910)  
Investment in Real Estate Net 11,092,075  
Conway Court [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Roslindale, MA  
Date of Constuction 1920  
Real Estate And Accumulated Depreciation Units 28  
Initial Cost to Company, Land 101,451  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 710,524  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 241,538  
Gross Amount Carried at close of period 12/31/2010, Land 101,451  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 952,062  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 1,053,513  
Accumulated Depreciation (443,463)  
Investment in Real Estate Net 610,050  
Encumbrances 226,295  
Colorado Pointe [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Denver, CO  
Date of Constuction 2006  
Real Estate And Accumulated Depreciation Units 193  
Initial Cost to Company, Land 5,790,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 28,815,766  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 492,849  
Gross Amount Carried at close of period 12/31/2010, Land 5,790,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 29,308,615  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 35,098,615  
Accumulated Depreciation (7,693,474)  
Investment in Real Estate Net 27,405,141  
Clarendon, The [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Arlington, VA (G)  
Date of Constuction 2005  
Real Estate And Accumulated Depreciation Units 292  
Initial Cost to Company, Land 30,400,340  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 103,824,660  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 338,226  
Gross Amount Carried at close of period 12/31/2010, Land 30,400,340  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 104,162,886  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 134,563,226  
Accumulated Depreciation (6,178,258)  
Investment in Real Estate Net 128,384,968  
Encumbrances 48,066,590  
city pointe [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Fullerton, CA (G)  
Date of Constuction 2004  
Real Estate And Accumulated Depreciation Units 183  
Initial Cost to Company, Land 6,863,792  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 36,476,208  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 184,403  
Gross Amount Carried at close of period 12/31/2010, Land 6,863,792  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 36,660,611  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 43,524,403  
Accumulated Depreciation (4,282,292)  
Investment in Real Estate Net 39,242,111  
Encumbrances 23,024,033  
CityView at Longwood [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Boston, MA (G)  
Date of Constuction 1970  
Real Estate And Accumulated Depreciation Units 295  
Initial Cost to Company, Land 14,704,898  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 79,195,102  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,419,758  
Gross Amount Carried at close of period 12/31/2010, Land 14,704,898  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 81,614,860  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 96,319,758  
Accumulated Depreciation (6,371,361)  
Investment in Real Estate Net 89,948,397  
Encumbrances 26,461,565  
Cierra Crest [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Denver, CO  
Date of Constuction 1996  
Real Estate And Accumulated Depreciation Units 480  
Initial Cost to Company, Land 4,803,100  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 34,894,898  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 4,644,644  
Gross Amount Carried at close of period 12/31/2010, Land 4,803,100  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 39,539,542  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 44,342,642  
Accumulated Depreciation (19,806,595)  
Investment in Real Estate Net 24,536,047  
Church Corner [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Cambridge, MA (G)  
Date of Constuction 1987  
Real Estate And Accumulated Depreciation Units 85  
Initial Cost to Company, Land 5,220,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,744,643  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,297,417  
Gross Amount Carried at close of period 12/31/2010, Land 5,220,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 18,042,060  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 23,262,060  
Accumulated Depreciation (4,951,855)  
Investment in Real Estate Net 18,310,205  
Encumbrances 12,000,000  
Chelsea Square [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Redmond, WA  
Date of Constuction 1991  
Real Estate And Accumulated Depreciation Units 113  
Initial Cost to Company, Land 3,397,100  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,289,074  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,574,184  
Gross Amount Carried at close of period 12/31/2010, Land 3,397,100  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 10,863,258  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 14,260,358  
Accumulated Depreciation (5,005,927)  
Investment in Real Estate Net 9,254,431  
Centennial Tower [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Seattle, WA (G)  
Date of Constuction 1991  
Real Estate And Accumulated Depreciation Units 221  
Initial Cost to Company, Land 5,900,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 48,800,339  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,277,474  
Gross Amount Carried at close of period 12/31/2010, Land 5,900,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 52,077,813  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 57,977,813  
Accumulated Depreciation (13,349,202)  
Investment in Real Estate Net 44,628,611  
Encumbrances 24,577,505  
Cascade at Landmark [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Alexandria, VA  
Date of Constuction 1990  
Real Estate And Accumulated Depreciation Units 277  
Initial Cost to Company, Land 3,603,400  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 19,657,554  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 7,662,660  
Gross Amount Carried at close of period 12/31/2010, Land 3,603,400  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 27,320,214  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 30,923,614  
Accumulated Depreciation (14,152,859)  
Investment in Real Estate Net 16,770,755  
Encumbrances 31,921,089  
Carmel Terrace [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location San Diego, CA  
Date of Constuction 1988-1989  
Real Estate And Accumulated Depreciation Units 384  
Initial Cost to Company, Land 2,288,300  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 20,596,281  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 10,072,544  
Gross Amount Carried at close of period 12/31/2010, Land 2,288,300  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 30,668,825  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 32,957,125  
Accumulated Depreciation (18,109,198)  
Investment in Real Estate Net 14,847,927  
Cape House Two [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Jacksonville, FL  
Date of Constuction 1998  
Real Estate And Accumulated Depreciation Units 240  
Initial Cost to Company, Land 4,800,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 22,229,836  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,779,613  
Gross Amount Carried at close of period 12/31/2010, Land 4,800,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 24,009,449  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 28,809,449  
Accumulated Depreciation (6,237,002)  
Investment in Real Estate Net 22,572,447  
Encumbrances 13,010,713  
Cape House One [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Jacksonville, FL  
Date of Constuction 1998  
Real Estate And Accumulated Depreciation Units 240  
Initial Cost to Company, Land 4,800,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 22,484,239  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 577,378  
Gross Amount Carried at close of period 12/31/2010, Land 4,800,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 23,061,617  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 27,861,617  
Accumulated Depreciation (5,851,708)  
Investment in Real Estate Net 22,009,909  
Encumbrances 13,542,878  
Canterbury [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Germantown, MD (I)  
Date of Constuction 1986  
Real Estate And Accumulated Depreciation Units 544  
Initial Cost to Company, Land 2,781,300  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 32,942,531  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 14,356,360  
Gross Amount Carried at close of period 12/31/2010, Land 2,781,300  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 47,298,891  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 50,080,191  
Accumulated Depreciation (27,043,148)  
Investment in Real Estate Net 23,037,043  
Encumbrances 31,680,000  
Brookside (CO) [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Boulder, CO  
Date of Constuction 1993  
Real Estate And Accumulated Depreciation Units 144  
Initial Cost to Company, Land 3,600,400  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,211,159  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,108,971  
Gross Amount Carried at close of period 12/31/2010, Land 3,600,400  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 12,320,130  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 15,920,530  
Accumulated Depreciation (5,588,246)  
Investment in Real Estate Net 10,332,284  
Briarwood C [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Sunnyvale, CA (I)  
Date of Constuction 1985  
Real Estate And Accumulated Depreciation Units 192  
Initial Cost to Company, Land 9,991,500  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 22,247,278  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,543,294  
Gross Amount Carried at close of period 12/31/2010, Land 9,991,500  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 23,790,572  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 33,782,072  
Accumulated Depreciation (11,128,707)  
Investment in Real Estate Net 22,653,365  
Encumbrances 12,800,000  
Berkeleyan [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Berkeley, CA (G)  
Date of Constuction 1998  
Real Estate And Accumulated Depreciation Units 56  
Initial Cost to Company, Land 4,377,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,022,110  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 289,057  
Gross Amount Carried at close of period 12/31/2010, Land 4,377,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 16,311,167  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 20,688,167  
Accumulated Depreciation (3,419,440)  
Investment in Real Estate Net 17,268,727  
Encumbrances 8,290,000  
Bellagio Apartment Homes [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Scottsdale, AZ  
Date of Constuction 1995  
Real Estate And Accumulated Depreciation Units 202  
Initial Cost to Company, Land 2,626,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,025,041  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,134,830  
Gross Amount Carried at close of period 12/31/2010, Land 2,626,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 17,159,871  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 19,785,871  
Accumulated Depreciation (5,165,966)  
Investment in Real Estate Net 14,619,905  
Bella Vista Apartments at Boca Del Mar [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Boca Raton, FL  
Date of Constuction 1985  
Real Estate And Accumulated Depreciation Units 392  
Initial Cost to Company, Land 11,760,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 20,190,252  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 13,600,755  
Gross Amount Carried at close of period 12/31/2010, Land 11,760,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 33,791,007  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 45,551,007  
Accumulated Depreciation (15,322,700)  
Investment in Real Estate Net 30,228,307  
Encumbrances 26,134,010  
Bachenheimer Building [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Berkeley, CA (G)  
Date of Constuction 2004  
Real Estate And Accumulated Depreciation Units 44  
Initial Cost to Company, Land 3,439,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,866,379  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 48,863  
Gross Amount Carried at close of period 12/31/2010, Land 3,439,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 13,915,242  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 17,354,242  
Accumulated Depreciation (2,844,495)  
Investment in Real Estate Net 14,509,747  
Encumbrances 8,585,000  
Avanti [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Anaheim, CA  
Date of Constuction 1987  
Real Estate And Accumulated Depreciation Units 162  
Initial Cost to Company, Land 12,960,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 18,497,683  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,066,332  
Gross Amount Carried at close of period 12/31/2010, Land 12,960,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 19,564,015  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 32,524,015  
Accumulated Depreciation (5,101,737)  
Investment in Real Estate Net 27,422,278  
Encumbrances 19,850,000  
Artisan Square [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Northridge, CA  
Date of Constuction 2002  
Real Estate And Accumulated Depreciation Units 140  
Initial Cost to Company, Land 7,000,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 20,537,359  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 745,265  
Gross Amount Carried at close of period 12/31/2010, Land 7,000,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 21,282,624  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 28,282,624  
Accumulated Depreciation (6,983,871)  
Investment in Real Estate Net 21,298,753  
Encumbrances 22,779,715  
Artech Building [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Berkeley, CA (G)  
Date of Constuction 2002  
Real Estate And Accumulated Depreciation Units 21  
Initial Cost to Company, Land 1,642,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,152,518  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 92,358  
Gross Amount Carried at close of period 12/31/2010, Land 1,642,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 9,244,876  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 10,886,876  
Accumulated Depreciation (1,795,520)  
Investment in Real Estate Net 9,091,356  
Encumbrances 3,200,000  
Arboretum (MA) [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Canton, MA  
Date of Constuction 1989  
Real Estate And Accumulated Depreciation Units 156  
Initial Cost to Company, Land 4,683,531  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,992,751  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,954,762  
Gross Amount Carried at close of period 12/31/2010, Land 4,683,531  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 12,947,513  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 17,631,044  
Accumulated Depreciation (6,525,737)  
Investment in Real Estate Net 11,105,307  
Arbor Terrace [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Sunnyvale, CA  
Date of Constuction 1979  
Real Estate And Accumulated Depreciation Units 175  
Initial Cost to Company, Land 9,057,300  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 18,483,642  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,318,138  
Gross Amount Carried at close of period 12/31/2010, Land 9,057,300  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 20,801,780  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 29,859,080  
Accumulated Depreciation (9,986,511)  
Investment in Real Estate Net 19,872,569  
Alexander on Ponce [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Atlanta, GA  
Date of Constuction 2003  
Real Estate And Accumulated Depreciation Units 330  
Initial Cost to Company, Land 9,900,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 35,819,022  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,574,440  
Gross Amount Carried at close of period 12/31/2010, Land 9,900,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 37,393,462  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 47,293,462  
Accumulated Depreciation (9,591,619)  
Investment in Real Estate Net 37,701,843  
Encumbrances 28,880,000  
Alborada [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Fremont, CA  
Date of Constuction 1999  
Real Estate And Accumulated Depreciation Units 442  
Initial Cost to Company, Land 24,310,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 59,214,129  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 2,426,046  
Gross Amount Carried at close of period 12/31/2010, Land 24,310,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 61,640,175  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 85,950,175  
Accumulated Depreciation (25,283,895)  
Investment in Real Estate Net 60,666,280  
Acton Courtyard [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Berkeley, CA (G)  
Date of Constuction 2003  
Real Estate And Accumulated Depreciation Units 71  
Initial Cost to Company, Land 5,550,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 15,785,509  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 92,850  
Gross Amount Carried at close of period 12/31/2010, Land 5,550,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 15,878,359  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 21,428,359  
Accumulated Depreciation (3,488,928)  
Investment in Real Estate Net 17,939,431  
Encumbrances 9,920,000  
Acappella [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Pasadena, CA  
Date of Constuction 2002  
Real Estate And Accumulated Depreciation Units 143  
Initial Cost to Company, Land 5,839,548  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 29,360,452  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 199,588  
Gross Amount Carried at close of period 12/31/2010, Land 5,839,548  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 29,560,040  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 35,399,588  
Accumulated Depreciation (2,536,777)  
Investment in Real Estate Net 32,862,811  
Encumbrances 20,644,023  
Academy Village [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location North Hollywood, CA  
Date of Constuction 1989  
Real Estate And Accumulated Depreciation Units 248  
Initial Cost to Company, Land 25,000,000  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 23,593,194  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 5,811,441  
Gross Amount Carried at close of period 12/31/2010, Land 25,000,000  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 29,404,635  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 54,404,635  
Accumulated Depreciation (10,089,093)  
Investment in Real Estate Net 44,315,542  
Encumbrances 20,000,000  
Elliott 2300 [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Seattle, WA  
Date of Constuction 1992  
Real Estate And Accumulated Depreciation Units 92  
Initial Cost to Company, Land 796,800  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,173,725  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 6,037,779  
Gross Amount Carried at close of period 12/31/2010, Land 796,800  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 13,211,504  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 14,008,304  
Accumulated Depreciation (8,320,446)  
Investment in Real Estate Net 5,687,858  
Encumbrances 0  
Woodbridge C T [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Newington, CT  
Date of Constuction 1968  
Real Estate And Accumulated Depreciation Units 73  
Initial Cost to Company, Land 498,377  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,331,548  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 934,712  
Gross Amount Carried at close of period 12/31/2010, Land 498,377  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 4,266,260  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 4,764,637  
Accumulated Depreciation (1,835,396)  
Investment in Real Estate Net 2,929,241  
Encumbrances 0  
Hammocks Place [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Description Of Location Miami, FL  
Date of Constuction 1986  
Real Estate And Accumulated Depreciation Units 296  
Initial Cost to Company, Land 319,180  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,513,467  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 3,756,576  
Gross Amount Carried at close of period 12/31/2010, Land 319,180  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 16,270,043  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 16,589,223  
Accumulated Depreciation (10,420,561)  
Investment in Real Estate Net 6,168,662  
Encumbrances 0  
Partially Owned Encumbered [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Units 1,999  
Initial Cost to Company, Land 46,352,324  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 206,316,253  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 30,457,562  
Gross Amount Carried at close of period 12/31/2010, Land 46,352,324  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 236,773,815  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 283,126,139  
Accumulated Depreciation (82,562,799)  
Investment in Real Estate Net 200,563,340  
Encumbrances 233,755,656  
Portfolio Entity Encumbrances [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Units 0  
Accumulated Depreciation 0  
Encumbrances 1,329,833,000  
Total Consolidated Investment in Real Estate [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Real Estate And Accumulated Depreciation Units 117,073  
Initial Cost to Company, Land 4,742,556,710  
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 14,306,448,590  
Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Building And Fixtures 1,358,940,646  
Gross Amount Carried at close of period 12/31/2010, Land 4,742,556,710  
Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements And Furnitures And Fixtures 15,665,389,236  
Real Estate And Accumulated Depreciation Carrying Amount Of Land And Buildings And Improvements And Furnitures And Fixtures 20,407,945,946  
Accumulated Depreciation (4,539,582,870)  
Investment in Real Estate Net 15,868,363,076  
Encumbrances 4,111,486,936  
Depreciable Property [Member]
   
Real Estate and Accumulated Depreciation [Line Items]    
Fixtures and Equipment, Gross $ 1,292,125,000  
Renovations and Improvements Minimum [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Property, Plant and Equipment, Estimated Useful Lives 5  
Renovations and Improvements Maximum [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Property, Plant and Equipment, Estimated Useful Lives 15  
Replacements Minimum [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Property, Plant and Equipment, Estimated Useful Lives 5  
Replacements Maximum [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Property, Plant and Equipment, Estimated Useful Lives 10  
Management Business Renovations and Improvements Minimum [Member] [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Property, Plant and Equipment, Estimated Useful Lives 3  
Management Business Renovations and Improvements Maximum [Member] [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Property, Plant and Equipment, Estimated Useful Lives 7  
Building [Member]
   
Real Estates And Accumulated Depreciation Abstract    
Property, Plant and Equipment, Estimated Useful Lives 30