Real Estate and Accumulated Depreciation - (Details) (USD $)	12 Months Ended
	Dec. 31, 2014 Property		Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Real Estate and Accumulated Depreciation [Line Items]
Total	$ 8,144,958,000		$ 8,214,081,000	$ 8,333,419,000	$ 8,917,137,000
Accumulated Depreciation (AD)	(2,672,179,000)		(2,822,872,000)	(2,820,765,000)	(2,872,190,000)
Real Estate and Accumulated Depreciation (Textual) [Abstract]
Aggregate cost of land and depreciable property for federal income tax purposes	3,800,000,000
Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Number of apartment homes	51,136
Initial Cost, Land	1,975,467,000	[1]
Initial Cost, Buildings and Improvements	3,565,599,000	[1]
Costs Capitalized Subsequent to Consolidation	2,693,728,000	[2]
Land	1,885,640,000
Buildings and Improvements	6,259,318,000
Total	8,144,958,000	[3]
Accumulated Depreciation (AD)	(2,672,179,000)
Total Cost Net of Accumulated Depreciation	5,472,779,000
Encumbrances	4,022,809,000
Total Conventional Properties [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Number of apartment homes	43,004
Initial Cost, Land	1,860,444,000	[1]
Initial Cost, Buildings and Improvements	3,117,671,000	[1]
Costs Capitalized Subsequent to Consolidation	2,342,280,000	[2]
Land	1,770,609,000
Buildings and Improvements	5,459,950,000
Total	7,230,559,000	[3]
Accumulated Depreciation (AD)	(2,281,999,000)
Total Cost Net of Accumulated Depreciation	4,948,560,000
Encumbrances	3,640,020,000
100 Forest Place [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Dec-97	[4]
Property Location	Oak Park, IL
Year Built	Jan. 01, 1987
Number of apartment homes	234
Initial Cost, Land	2,664,000	[1]
Initial Cost, Buildings and Improvements	18,815,000	[1]
Costs Capitalized Subsequent to Consolidation	7,164,000	[2]
Land	2,664,000
Buildings and Improvements	25,979,000
Total	28,643,000	[3]
Accumulated Depreciation (AD)	(11,953,000)
Total Cost Net of Accumulated Depreciation	16,690,000
Encumbrances	25,434,000
118-122 West 23rd Street [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Jun-12	[4]
Property Location	New York, NY
Year Built	Jan. 01, 1987
Number of apartment homes	42
Initial Cost, Land	14,985,000	[1]
Initial Cost, Buildings and Improvements	23,459,000	[1]
Costs Capitalized Subsequent to Consolidation	5,568,000	[2]
Land	14,985,000
Buildings and Improvements	29,027,000
Total	44,012,000	[3]
Accumulated Depreciation (AD)	(2,728,000)
Total Cost Net of Accumulated Depreciation	41,284,000
Encumbrances	19,117,000
1582 First Avenue [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Mar-05	[4]
Property Location	New York, NY
Year Built	Jan. 01, 1900
Number of apartment homes	17
Initial Cost, Land	4,281,000	[1]
Initial Cost, Buildings and Improvements	752,000	[1]
Costs Capitalized Subsequent to Consolidation	259,000	[2]
Land	4,281,000
Buildings and Improvements	1,011,000
Total	5,292,000	[3]
Accumulated Depreciation (AD)	(408,000)
Total Cost Net of Accumulated Depreciation	4,884,000
Encumbrances	2,470,000
173 E. 90th Street [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	May-04	[4]
Property Location	New York, NY
Year Built	Jan. 01, 1910
Number of apartment homes	72
Initial Cost, Land	12,066,000	[1]
Initial Cost, Buildings and Improvements	4,535,000	[1]
Costs Capitalized Subsequent to Consolidation	2,422,000	[2]
Land	12,066,000
Buildings and Improvements	6,957,000
Total	19,023,000	[3]
Accumulated Depreciation (AD)	(2,507,000)
Total Cost Net of Accumulated Depreciation	16,516,000
Encumbrances	7,280,000
21 Fitzsimons [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid-Rise
Date Consolidated	Aug-14
Property Location	Aurora, CO
Year Built	Jan. 01, 2008
Number of apartment homes	600
Initial Cost, Land	12,864,000
Initial Cost, Buildings and Improvements	104,720,000
Costs Capitalized Subsequent to Consolidation	0
Land	12,864,000
Buildings and Improvements	104,720,000
Total	117,584,000
Accumulated Depreciation (AD)	1,296,000
Total Cost Net of Accumulated Depreciation	116,288,000
Encumbrances	49,842,000
234 East 88th Street [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid-Rise
Date Consolidated	Jan-14
Property Location	New York, NY
Year Built	Jan. 01, 1900
Number of apartment homes	20
Initial Cost, Land	2,448,000
Initial Cost, Buildings and Improvements	4,449,000
Costs Capitalized Subsequent to Consolidation	0
Land	2,448,000
Buildings and Improvements	4,449,000
Total	6,897,000
Accumulated Depreciation (AD)	158,000
Total Cost Net of Accumulated Depreciation	6,739,000
Encumbrances	3,498,000
182-188 Columbus Avenue [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid Rise
Date Consolidated	Feb-07	[4]
Property Location	New York, NY
Year Built	Jan. 01, 1910
Number of apartment homes	32
Initial Cost, Land	19,123,000	[1]
Initial Cost, Buildings and Improvements	3,300,000	[1]
Costs Capitalized Subsequent to Consolidation	2,623,000	[2]
Land	19,123,000
Buildings and Improvements	5,923,000
Total	25,046,000	[3]
Accumulated Depreciation (AD)	(2,336,000)
Total Cost Net of Accumulated Depreciation	22,710,000
Encumbrances	13,471,000
236-238 East 88th Street [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Jan-04	[4]
Property Location	New York, NY
Year Built	Jan. 01, 1900
Number of apartment homes	43
Initial Cost, Land	8,820,000	[1]
Initial Cost, Buildings and Improvements	2,914,000	[1]
Costs Capitalized Subsequent to Consolidation	1,937,000	[2]
Land	8,820,000
Buildings and Improvements	4,851,000
Total	13,671,000	[3]
Accumulated Depreciation (AD)	(1,640,000)
Total Cost Net of Accumulated Depreciation	12,031,000
Encumbrances	11,807,000
237-239 Ninth Avenue [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Mar-05	[4]
Property Location	New York, NY
Year Built	Jan. 01, 1900
Number of apartment homes	36
Initial Cost, Land	8,495,000	[1]
Initial Cost, Buildings and Improvements	1,866,000	[1]
Costs Capitalized Subsequent to Consolidation	2,409,000	[2]
Land	8,495,000
Buildings and Improvements	4,275,000
Total	12,770,000	[3]
Accumulated Depreciation (AD)	(1,202,000)
Total Cost Net of Accumulated Depreciation	11,568,000
Encumbrances	6,035,000
240 West 73rd Street, LLC [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Sep-04	[4]
Property Location	New York, NY
Year Built	Jan. 01, 1900
Number of apartment homes	200
Initial Cost, Land	68,109,000	[1]
Initial Cost, Buildings and Improvements	12,140,000	[1]
Costs Capitalized Subsequent to Consolidation	9,274,000	[2]
Land	68,109,000
Buildings and Improvements	21,414,000
Total	89,523,000	[3]
Accumulated Depreciation (AD)	(7,223,000)
Total Cost Net of Accumulated Depreciation	82,300,000
Encumbrances	26,986,000
2900 on First Apartments [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid Rise
Date Consolidated	Oct-08	[4]
Property Location	Seattle, WA
Year Built	Jan. 01, 1989
Number of apartment homes	135
Initial Cost, Land	19,070,000	[1]
Initial Cost, Buildings and Improvements	17,518,000	[1]
Costs Capitalized Subsequent to Consolidation	26,838,000	[2]
Land	19,070,000
Buildings and Improvements	44,356,000
Total	63,426,000	[3]
Accumulated Depreciation (AD)	(7,484,000)
Total Cost Net of Accumulated Depreciation	55,942,000
Encumbrances	0
306 East 89th Street [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Jul-04	[4]
Property Location	New York, NY
Year Built	Jan. 01, 1930
Number of apartment homes	20
Initial Cost, Land	2,680,000	[1]
Initial Cost, Buildings and Improvements	1,006,000	[1]
Costs Capitalized Subsequent to Consolidation	383,000	[2]
Land	2,680,000
Buildings and Improvements	1,389,000
Total	4,069,000	[3]
Accumulated Depreciation (AD)	(477,000)
Total Cost Net of Accumulated Depreciation	3,592,000
Encumbrances	2,015,000
311 & 313 East 73rd Street [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid Rise
Date Consolidated	Mar-03	[4]
Property Location	New York, NY
Year Built	Jan. 01, 1904
Number of apartment homes	34
Initial Cost, Land	5,678,000	[1]
Initial Cost, Buildings and Improvements	1,609,000	[1]
Costs Capitalized Subsequent to Consolidation	403,000	[2]
Land	5,678,000
Buildings and Improvements	2,012,000
Total	7,690,000	[3]
Accumulated Depreciation (AD)	(1,228,000)
Total Cost Net of Accumulated Depreciation	6,462,000
Encumbrances	4,237,000
322-324 East 61st Street [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Mar-05	[4]
Property Location	New York, NY
Year Built	Jan. 01, 1900
Number of apartment homes	40
Initial Cost, Land	6,372,000	[1]
Initial Cost, Buildings and Improvements	2,224,000	[1]
Costs Capitalized Subsequent to Consolidation	1,103,000	[2]
Land	6,372,000
Buildings and Improvements	3,327,000
Total	9,699,000	[3]
Accumulated Depreciation (AD)	(1,313,000)
Total Cost Net of Accumulated Depreciation	8,386,000
Encumbrances	3,706,000
3400 Avenue of the Arts [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid Rise
Date Consolidated	Mar-02	[4]
Property Location	Costa Mesa, CA
Year Built	Jan. 01, 1987
Number of apartment homes	770
Initial Cost, Land	57,241,000	[1]
Initial Cost, Buildings and Improvements	65,506,000	[1]
Costs Capitalized Subsequent to Consolidation	71,959,000	[2]
Land	57,241,000
Buildings and Improvements	137,465,000
Total	194,706,000	[3]
Accumulated Depreciation (AD)	(73,857,000)
Total Cost Net of Accumulated Depreciation	120,849,000
Encumbrances	111,060,000
452 East 78th Street [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Jan-04	[4]
Property Location	New York, NY
Year Built	Jan. 01, 1900
Number of apartment homes	12
Initial Cost, Land	1,982,000	[1]
Initial Cost, Buildings and Improvements	608,000	[1]
Costs Capitalized Subsequent to Consolidation	461,000	[2]
Land	1,982,000
Buildings and Improvements	1,069,000
Total	3,051,000	[3]
Accumulated Depreciation (AD)	(389,000)
Total Cost Net of Accumulated Depreciation	2,662,000
Encumbrances	2,759,000
464-466 Amsterdam & 200-210 W. 83rd Street [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid Rise
Date Consolidated	Feb-07	[4]
Property Location	New York, NY
Year Built	Jan. 01, 1910
Number of apartment homes	72
Initial Cost, Land	25,553,000	[1]
Initial Cost, Buildings and Improvements	7,101,000	[1]
Costs Capitalized Subsequent to Consolidation	4,896,000	[2]
Land	25,553,000
Buildings and Improvements	11,997,000
Total	37,550,000	[3]
Accumulated Depreciation (AD)	(4,277,000)
Total Cost Net of Accumulated Depreciation	33,273,000
Encumbrances	19,679,000
510 East 88th Street [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Jan-04	[4]
Property Location	New York, NY
Year Built	Jan. 01, 1900
Number of apartment homes	20
Initial Cost, Land	3,163,000	[1]
Initial Cost, Buildings and Improvements	1,002,000	[1]
Costs Capitalized Subsequent to Consolidation	402,000	[2]
Land	3,163,000
Buildings and Improvements	1,404,000
Total	4,567,000	[3]
Accumulated Depreciation (AD)	(487,000)
Total Cost Net of Accumulated Depreciation	4,080,000
Encumbrances	2,956,000
East Eighty Eighth Street Five One Eight [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid-Rise
Date Consolidated	Jan-14
Property Location	New York, NY
Year Built	Jan. 01, 1900
Number of apartment homes	20
Initial Cost, Land	2,233,000
Initial Cost, Buildings and Improvements	4,315,000
Costs Capitalized Subsequent to Consolidation	0
Land	2,233,000
Buildings and Improvements	4,315,000
Total	6,548,000
Accumulated Depreciation (AD)	149,000
Total Cost Net of Accumulated Depreciation	6,399,000
Encumbrances	3,030,000
707 Leahy [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Apr-07	[4]
Property Location	Redwood City, CA
Year Built	Jan. 01, 1973
Number of apartment homes	110
Initial Cost, Land	15,444,000	[1]
Initial Cost, Buildings and Improvements	7,909,000	[1]
Costs Capitalized Subsequent to Consolidation	5,255,000	[2]
Land	15,444,000
Buildings and Improvements	13,164,000
Total	28,608,000	[3]
Accumulated Depreciation (AD)	(5,400,000)
Total Cost Net of Accumulated Depreciation	23,208,000
Encumbrances	9,447,000
865 Bellevue [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jul-00	[4]
Property Location	Nashville, TN
Year Built	Jan. 01, 1972
Number of apartment homes	326
Initial Cost, Land	3,562,000	[1]
Initial Cost, Buildings and Improvements	12,037,000	[1]
Costs Capitalized Subsequent to Consolidation	28,330,000	[2]
Land	3,562,000
Buildings and Improvements	40,367,000
Total	43,929,000	[3]
Accumulated Depreciation (AD)	(24,676,000)
Total Cost Net of Accumulated Depreciation	19,253,000
Encumbrances	17,853,000
1045 on the Park Apartment Homes [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid Rise
Date Consolidated	Jul-13
Property Location	Atlanta, GA
Year Built	Jan. 01, 2012
Number of apartment homes	30
Initial Cost, Land	2,793,000
Initial Cost, Buildings and Improvements	6,662,000
Costs Capitalized Subsequent to Consolidation	68,000
Land	2,793,000
Buildings and Improvements	6,730,000
Total	9,523,000
Accumulated Depreciation (AD)	354,000
Total Cost Net of Accumulated Depreciation	9,169,000
Encumbrances	6,090,000
Bank Lofts [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Apr-01	[4]
Property Location	Denver, CO
Year Built	Jan. 01, 1920
Number of apartment homes	117
Initial Cost, Land	3,525,000	[1]
Initial Cost, Buildings and Improvements	9,045,000	[1]
Costs Capitalized Subsequent to Consolidation	2,740,000	[2]
Land	3,525,000
Buildings and Improvements	11,785,000
Total	15,310,000	[3]
Accumulated Depreciation (AD)	(5,706,000)
Total Cost Net of Accumulated Depreciation	9,604,000
Encumbrances	11,396,000
Bay Parc Plaza [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Sep-04	[4]
Property Location	Miami, FL
Year Built	Jan. 01, 2000
Number of apartment homes	471
Initial Cost, Land	22,680,000	[1]
Initial Cost, Buildings and Improvements	41,847,000	[1]
Costs Capitalized Subsequent to Consolidation	8,467,000	[2]
Land	22,680,000
Buildings and Improvements	50,314,000
Total	72,994,000	[3]
Accumulated Depreciation (AD)	(13,584,000)
Total Cost Net of Accumulated Depreciation	59,410,000
Encumbrances	44,734,000
Bay Ridge at Nashua [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jan-03	[4]
Property Location	Nashua, NH
Year Built	Jan. 01, 1984
Number of apartment homes	412
Initial Cost, Land	3,262,000	[1]
Initial Cost, Buildings and Improvements	40,713,000	[1]
Costs Capitalized Subsequent to Consolidation	4,472,000	[2]
Land	3,262,000
Buildings and Improvements	45,185,000
Total	48,447,000	[3]
Accumulated Depreciation (AD)	(16,462,000)
Total Cost Net of Accumulated Depreciation	31,985,000
Encumbrances	30,295,000
Bayberry Hill Estates [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Aug-02	[4]
Property Location	Framingham, MA
Year Built	Jan. 01, 1971
Number of apartment homes	424
Initial Cost, Land	19,944,000	[1]
Initial Cost, Buildings and Improvements	35,945,000	[1]
Costs Capitalized Subsequent to Consolidation	12,790,000	[2]
Land	19,944,000
Buildings and Improvements	48,735,000
Total	68,679,000	[3]
Accumulated Depreciation (AD)	(20,361,000)
Total Cost Net of Accumulated Depreciation	48,318,000
Encumbrances	32,668,000
Bluffs at Pacifica, The [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Oct-06	[4]
Property Location	Pacifica, CA
Year Built	Jan. 01, 1963
Number of apartment homes	64
Initial Cost, Land	8,108,000	[1]
Initial Cost, Buildings and Improvements	4,132,000	[1]
Costs Capitalized Subsequent to Consolidation	13,894,000	[2]
Land	8,108,000
Buildings and Improvements	18,026,000
Total	26,134,000	[3]
Accumulated Depreciation (AD)	(9,390,000)
Total Cost Net of Accumulated Depreciation	16,744,000
Encumbrances	5,832,000
Boston Lofts [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Apr-01	[4]
Property Location	Denver, CO
Year Built	Jan. 01, 1890
Number of apartment homes	158
Initial Cost, Land	3,446,000	[1]
Initial Cost, Buildings and Improvements	20,589,000	[1]
Costs Capitalized Subsequent to Consolidation	5,840,000	[2]
Land	3,446,000
Buildings and Improvements	26,429,000
Total	29,875,000	[3]
Accumulated Depreciation (AD)	(12,469,000)
Total Cost Net of Accumulated Depreciation	17,406,000
Encumbrances	16,647,000
Boulder Creek [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jul-94	[4]
Property Location	Boulder, CO
Year Built	Jan. 01, 1973
Number of apartment homes	221
Initial Cost, Land	754,000	[1]
Initial Cost, Buildings and Improvements	7,730,000	[1]
Costs Capitalized Subsequent to Consolidation	20,341,000	[2]
Land	754,000
Buildings and Improvements	28,071,000
Total	28,825,000	[3]
Accumulated Depreciation (AD)	(15,236,000)
Total Cost Net of Accumulated Depreciation	13,589,000
Encumbrances	7,780,000
Broadcast Center [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Mar-02	[4]
Property Location	Los Angeles, CA
Year Built	Jan. 01, 1990
Number of apartment homes	279
Initial Cost, Land	29,407,000	[1]
Initial Cost, Buildings and Improvements	41,244,000	[1]
Costs Capitalized Subsequent to Consolidation	26,975,000	[2]
Land	29,407,000
Buildings and Improvements	68,219,000
Total	97,626,000	[3]
Accumulated Depreciation (AD)	(33,086,000)
Total Cost Net of Accumulated Depreciation	64,540,000
Encumbrances	34,000,000
Broadway Lofts [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Sep-12	[4]
Property Location	San Diego, CA
Year Built	Jan. 01, 1909
Number of apartment homes	84
Initial Cost, Land	5,367,000	[1]
Initial Cost, Buildings and Improvements	14,442,000	[1]
Costs Capitalized Subsequent to Consolidation	1,056,000	[2]
Land	5,367,000
Buildings and Improvements	15,498,000
Total	20,865,000	[3]
Accumulated Depreciation (AD)	(1,266,000)
Total Cost Net of Accumulated Depreciation	19,599,000
Encumbrances	9,829,000
Buena Vista [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid Rise
Date Consolidated	Jan-06	[4]
Property Location	Pasadena, CA
Year Built	Jan. 01, 1973
Number of apartment homes	92
Initial Cost, Land	9,693,000	[1]
Initial Cost, Buildings and Improvements	6,818,000	[1]
Costs Capitalized Subsequent to Consolidation	1,811,000	[2]
Land	9,693,000
Buildings and Improvements	8,629,000
Total	18,322,000	[3]
Accumulated Depreciation (AD)	(2,956,000)
Total Cost Net of Accumulated Depreciation	15,366,000
Encumbrances	9,866,000
Burke Shire Commons [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Mar-01	[4]
Property Location	Burke, VA
Year Built	Jan. 01, 1986
Number of apartment homes	360
Initial Cost, Land	4,867,000	[1]
Initial Cost, Buildings and Improvements	23,617,000	[1]
Costs Capitalized Subsequent to Consolidation	11,152,000	[2]
Land	4,867,000
Buildings and Improvements	34,769,000
Total	39,636,000	[3]
Accumulated Depreciation (AD)	(15,281,000)
Total Cost Net of Accumulated Depreciation	24,355,000
Encumbrances	41,404,000
Calhoun Beach Club [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Dec-98	[4]
Property Location	Minneapolis, MN
Year Built	Jan. 01, 1928
Number of apartment homes	332
Initial Cost, Land	11,708,000	[1]
Initial Cost, Buildings and Improvements	73,334,000	[1]
Costs Capitalized Subsequent to Consolidation	54,745,000	[2]
Land	11,708,000
Buildings and Improvements	128,079,000
Total	139,787,000	[3]
Accumulated Depreciation (AD)	(62,885,000)
Total Cost Net of Accumulated Depreciation	76,902,000
Encumbrances	45,846,000
Canyon Terrace [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Mar-02	[4]
Property Location	Saugus, CA
Year Built	Jan. 01, 1984
Number of apartment homes	130
Initial Cost, Land	7,508,000	[1]
Initial Cost, Buildings and Improvements	6,601,000	[1]
Costs Capitalized Subsequent to Consolidation	5,943,000	[2]
Land	7,508,000
Buildings and Improvements	12,544,000
Total	20,052,000	[3]
Accumulated Depreciation (AD)	(6,618,000)
Total Cost Net of Accumulated Depreciation	13,434,000
Encumbrances	9,904,000
Cedar Rim [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Apr-00	[4]
Property Location	Newcastle, WA
Year Built	Jan. 01, 1980
Number of apartment homes	104
Initial Cost, Land	761,000	[1]
Initial Cost, Buildings and Improvements	5,218,000	[1]
Costs Capitalized Subsequent to Consolidation	16,933,000	[2]
Land	761,000
Buildings and Improvements	22,151,000
Total	22,912,000	[3]
Accumulated Depreciation (AD)	(18,062,000)
Total Cost Net of Accumulated Depreciation	4,850,000
Encumbrances	7,366,000
Charlesbank Apartment Homes [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid Rise
Date Consolidated	Sep-13
Property Location	Watertown, MA
Year Built	Jan. 01, 2012
Number of apartment homes	44
Initial Cost, Land	3,399,000
Initial Cost, Buildings and Improvements	11,726,000
Costs Capitalized Subsequent to Consolidation	182,000
Land	3,399,000
Buildings and Improvements	11,908,000
Total	15,307,000
Accumulated Depreciation (AD)	532,000
Total Cost Net of Accumulated Depreciation	14,775,000
Encumbrances	8,366,000
Chestnut Hall [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Oct-06	[4]
Property Location	Philadelphia, PA
Year Built	Jan. 01, 1923
Number of apartment homes	315
Initial Cost, Land	12,338,000	[1]
Initial Cost, Buildings and Improvements	14,299,000	[1]
Costs Capitalized Subsequent to Consolidation	7,996,000	[2]
Land	12,338,000
Buildings and Improvements	22,295,000
Total	34,633,000	[3]
Accumulated Depreciation (AD)	(11,254,000)
Total Cost Net of Accumulated Depreciation	23,379,000
Encumbrances	16,823,000
Chestnut Hill Village [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Apr-00	[4]
Property Location	Philadelphia, PA
Year Built	Jan. 01, 1963
Number of apartment homes	821
Initial Cost, Land	6,469,000	[1]
Initial Cost, Buildings and Improvements	49,316,000	[1]
Costs Capitalized Subsequent to Consolidation	46,477,000	[2]
Land	6,469,000
Buildings and Improvements	95,793,000
Total	102,262,000	[3]
Accumulated Depreciation (AD)	(57,987,000)
Total Cost Net of Accumulated Depreciation	44,275,000
Encumbrances	55,399,000
Chimneys of Cradle Rock [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jun-04	[4]
Property Location	Columbia, MD
Year Built	Jan. 01, 1979
Number of apartment homes	198
Initial Cost, Land	2,040,000	[1]
Initial Cost, Buildings and Improvements	8,108,000	[1]
Costs Capitalized Subsequent to Consolidation	42,000	[2]
Land	2,040,000
Buildings and Improvements	8,150,000
Total	10,190,000	[3]
Accumulated Depreciation (AD)	(2,405,000)
Total Cost Net of Accumulated Depreciation	7,785,000
Encumbrances	15,895,000
Colony at Kenilworth [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Oct-99	[4]
Property Location	Towson, MD
Year Built	Jan. 01, 1966
Number of apartment homes	383
Initial Cost, Land	2,403,000	[1]
Initial Cost, Buildings and Improvements	18,799,000	[1]
Costs Capitalized Subsequent to Consolidation	16,318,000	[2]
Land	2,403,000
Buildings and Improvements	35,117,000
Total	37,520,000	[3]
Accumulated Depreciation (AD)	(22,942,000)
Total Cost Net of Accumulated Depreciation	14,578,000
Encumbrances	22,638,000
Columbus Avenue [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid Rise
Date Consolidated	Sep-03	[4]
Property Location	New York, NY
Year Built	Jan. 01, 1880
Number of apartment homes	59
Initial Cost, Land	35,527,000	[1]
Initial Cost, Buildings and Improvements	9,450,000	[1]
Costs Capitalized Subsequent to Consolidation	4,759,000	[2]
Land	35,527,000
Buildings and Improvements	14,209,000
Total	49,736,000	[3]
Accumulated Depreciation (AD)	(7,764,000)
Total Cost Net of Accumulated Depreciation	41,972,000
Encumbrances	27,358,000
Creekside [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jan-00	[4]
Property Location	Denver, CO
Year Built	Jan. 01, 1974
Number of apartment homes	328
Initial Cost, Land	3,189,000	[1]
Initial Cost, Buildings and Improvements	12,698,000	[1]
Costs Capitalized Subsequent to Consolidation	5,828,000	[2]
Land	3,189,000
Buildings and Improvements	18,526,000
Total	21,715,000	[3]
Accumulated Depreciation (AD)	(11,067,000)
Total Cost Net of Accumulated Depreciation	10,648,000
Encumbrances	12,228,000
Crescent at West Hollywood, The [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid Rise
Date Consolidated	Mar-02	[4]
Property Location	West Hollywood, CA
Year Built	Jan. 01, 1985
Number of apartment homes	130
Initial Cost, Land	15,765,000	[1]
Initial Cost, Buildings and Improvements	10,215,000	[1]
Costs Capitalized Subsequent to Consolidation	14,161,000	[2]
Land	15,765,000
Buildings and Improvements	24,376,000
Total	40,141,000	[3]
Accumulated Depreciation (AD)	(17,243,000)
Total Cost Net of Accumulated Depreciation	22,898,000
Encumbrances	0
Eastpointe [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Dec-14
Property Location	Boulder, CO
Year Built	Jan. 01, 1970
Number of apartment homes	140
Initial Cost, Land	15,300,000
Initial Cost, Buildings and Improvements	2,705,000
Costs Capitalized Subsequent to Consolidation	0
Land	15,300,000
Buildings and Improvements	2,705,000
Total	18,005,000
Accumulated Depreciation (AD)	4,000
Total Cost Net of Accumulated Depreciation	18,001,000
Encumbrances	0
Elm Creek [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid Rise
Date Consolidated	Dec-97	[4]
Property Location	Elmhurst, IL
Year Built	Jan. 01, 1987
Number of apartment homes	400
Initial Cost, Land	5,910,000	[1]
Initial Cost, Buildings and Improvements	30,830,000	[1]
Costs Capitalized Subsequent to Consolidation	29,444,000	[2]
Land	5,910,000
Buildings and Improvements	60,274,000
Total	66,184,000	[3]
Accumulated Depreciation (AD)	(25,360,000)
Total Cost Net of Accumulated Depreciation	40,824,000
Encumbrances	40,729,000
Evanston Place [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Dec-97	[4]
Property Location	Evanston, IL
Year Built	Jan. 01, 1990
Number of apartment homes	189
Initial Cost, Land	3,232,000	[1]
Initial Cost, Buildings and Improvements	25,546,000	[1]
Costs Capitalized Subsequent to Consolidation	7,350,000	[2]
Land	3,232,000
Buildings and Improvements	32,896,000
Total	36,128,000	[3]
Accumulated Depreciation (AD)	(15,087,000)
Total Cost Net of Accumulated Depreciation	21,041,000
Encumbrances	20,327,000
Farmingdale [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid Rise
Date Consolidated	Oct-00	[4]
Property Location	Darien, IL
Year Built	Jan. 01, 1975
Number of apartment homes	240
Initial Cost, Land	11,763,000	[1]
Initial Cost, Buildings and Improvements	15,174,000	[1]
Costs Capitalized Subsequent to Consolidation	10,968,000	[2]
Land	11,763,000
Buildings and Improvements	26,142,000
Total	37,905,000	[3]
Accumulated Depreciation (AD)	(14,074,000)
Total Cost Net of Accumulated Depreciation	23,831,000
Encumbrances	15,521,000
Flamingo Towers [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Sep-97	[4]
Property Location	Miami Beach, FL
Year Built	Jan. 01, 1960
Number of apartment homes	1,186
Initial Cost, Land	32,430,000	[1]
Initial Cost, Buildings and Improvements	48,808,000	[1]
Costs Capitalized Subsequent to Consolidation	243,485,000	[2]
Land	32,430,000
Buildings and Improvements	292,293,000
Total	324,723,000	[3]
Accumulated Depreciation (AD)	(126,044,000)
Total Cost Net of Accumulated Depreciation	198,679,000
Encumbrances	111,240,000
Four Quarters Habitat [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jan-06	[4]
Property Location	Miami, FL
Year Built	Jan. 01, 1976
Number of apartment homes	336
Initial Cost, Land	2,379,000	[1]
Initial Cost, Buildings and Improvements	17,199,000	[1]
Costs Capitalized Subsequent to Consolidation	19,979,000	[2]
Land	2,379,000
Buildings and Improvements	37,178,000
Total	39,557,000	[3]
Accumulated Depreciation (AD)	(21,325,000)
Total Cost Net of Accumulated Depreciation	18,232,000
Encumbrances	7,747,000
Foxchase [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Dec-97	[4]
Property Location	Alexandria, VA
Year Built	Jan. 01, 1940
Number of apartment homes	2,113
Initial Cost, Land	15,496,000	[1]
Initial Cost, Buildings and Improvements	96,062,000	[1]
Costs Capitalized Subsequent to Consolidation	35,313,000	[2]
Land	15,496,000
Buildings and Improvements	131,375,000
Total	146,871,000	[3]
Accumulated Depreciation (AD)	(69,046,000)
Total Cost Net of Accumulated Depreciation	77,825,000
Encumbrances	242,143,000
Georgetown [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Aug-02	[4]
Property Location	Framingham, MA
Year Built	Jan. 01, 1964
Number of apartment homes	207
Initial Cost, Land	12,351,000	[1]
Initial Cost, Buildings and Improvements	13,168,000	[1]
Costs Capitalized Subsequent to Consolidation	2,420,000	[2]
Land	12,351,000
Buildings and Improvements	15,588,000
Total	27,939,000	[3]
Accumulated Depreciation (AD)	(6,238,000)
Total Cost Net of Accumulated Depreciation	21,701,000
Encumbrances	8,804,000
Granada [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid Rise
Date Consolidated	Aug-02	[4]
Property Location	Framingham, MA
Year Built	Jan. 01, 1958
Number of apartment homes	72
Initial Cost, Land	4,577,000	[1]
Initial Cost, Buildings and Improvements	4,057,000	[1]
Costs Capitalized Subsequent to Consolidation	841,000	[2]
Land	4,577,000
Buildings and Improvements	4,898,000
Total	9,475,000	[3]
Accumulated Depreciation (AD)	(2,593,000)
Total Cost Net of Accumulated Depreciation	6,882,000
Encumbrances	2,949,000
Grand Pointe [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Dec-99	[4]
Property Location	Columbia, MD
Year Built	Jan. 01, 1972
Number of apartment homes	325
Initial Cost, Land	2,714,000	[1]
Initial Cost, Buildings and Improvements	16,771,000	[1]
Costs Capitalized Subsequent to Consolidation	6,058,000	[2]
Land	2,714,000
Buildings and Improvements	22,829,000
Total	25,543,000	[3]
Accumulated Depreciation (AD)	(11,683,000)
Total Cost Net of Accumulated Depreciation	13,860,000
Encumbrances	15,325,000
Greens [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jul-94	[4]
Property Location	Chandler, AZ
Year Built	Jan. 01, 2000
Number of apartment homes	324
Initial Cost, Land	2,303,000	[1]
Initial Cost, Buildings and Improvements	713,000	[1]
Costs Capitalized Subsequent to Consolidation	25,600,000	[2]
Land	2,303,000
Buildings and Improvements	26,313,000
Total	28,616,000	[3]
Accumulated Depreciation (AD)	(14,939,000)
Total Cost Net of Accumulated Depreciation	13,677,000
Encumbrances	8,320,000
Heritage Park Escondido [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Oct-00	[4]
Property Location	Escondido, CA
Year Built	Jan. 01, 1986
Number of apartment homes	196
Initial Cost, Land	1,055,000	[1]
Initial Cost, Buildings and Improvements	7,565,000	[1]
Costs Capitalized Subsequent to Consolidation	1,515,000	[2]
Land	1,055,000
Buildings and Improvements	9,080,000
Total	10,135,000	[3]
Accumulated Depreciation (AD)	(5,726,000)
Total Cost Net of Accumulated Depreciation	4,409,000
Encumbrances	7,039,000
Heritage Park Livermore [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Oct-00	[4]
Property Location	Livermore, CA
Year Built	Jan. 01, 1988
Number of apartment homes	167
Initial Cost, Land	0	[1]
Initial Cost, Buildings and Improvements	10,209,000	[1]
Costs Capitalized Subsequent to Consolidation	1,433,000	[2]
Land	0
Buildings and Improvements	11,642,000
Total	11,642,000	[3]
Accumulated Depreciation (AD)	(6,627,000)
Total Cost Net of Accumulated Depreciation	5,015,000
Encumbrances	7,270,000
Heritage Village Anaheim [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Oct-00	[4]
Property Location	Anaheim, CA
Year Built	Jan. 01, 1986
Number of apartment homes	196
Initial Cost, Land	1,832,000	[1]
Initial Cost, Buildings and Improvements	8,541,000	[1]
Costs Capitalized Subsequent to Consolidation	1,451,000	[2]
Land	1,832,000
Buildings and Improvements	9,992,000
Total	11,824,000	[3]
Accumulated Depreciation (AD)	(6,063,000)
Total Cost Net of Accumulated Depreciation	5,761,000
Encumbrances	8,543,000
Hidden Cove [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jul-98	[4]
Property Location	Escondido, CA
Year Built	Jan. 01, 1983
Number of apartment homes	334
Initial Cost, Land	3,043,000	[1]
Initial Cost, Buildings and Improvements	17,616,000	[1]
Costs Capitalized Subsequent to Consolidation	8,790,000	[2]
Land	3,043,000
Buildings and Improvements	26,406,000
Total	29,449,000	[3]
Accumulated Depreciation (AD)	(13,804,000)
Total Cost Net of Accumulated Depreciation	15,645,000
Encumbrances	36,041,000
Hidden Cove II [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jul-07	[4]
Property Location	Escondido, CA
Year Built	Jan. 01, 1986
Number of apartment homes	118
Initial Cost, Land	12,849,000	[1]
Initial Cost, Buildings and Improvements	6,530,000	[1]
Costs Capitalized Subsequent to Consolidation	6,864,000	[2]
Land	12,849,000
Buildings and Improvements	13,394,000
Total	26,243,000	[3]
Accumulated Depreciation (AD)	(6,697,000)
Total Cost Net of Accumulated Depreciation	19,546,000
Encumbrances	14,599,000
Hillcreste [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Mar-02	[4]
Property Location	Century City, CA
Year Built	Jan. 01, 1989
Number of apartment homes	315
Initial Cost, Land	35,862,000	[1]
Initial Cost, Buildings and Improvements	47,216,000	[1]
Costs Capitalized Subsequent to Consolidation	21,660,000	[2]
Land	35,862,000
Buildings and Improvements	68,876,000
Total	104,738,000	[3]
Accumulated Depreciation (AD)	(33,133,000)
Total Cost Net of Accumulated Depreciation	71,605,000
Encumbrances	69,016,000
Hillmeade [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Nov-94	[4]
Property Location	Nashville, TN
Year Built	Jan. 01, 1986
Number of apartment homes	288
Initial Cost, Land	2,872,000	[1]
Initial Cost, Buildings and Improvements	16,070,000	[1]
Costs Capitalized Subsequent to Consolidation	11,697,000	[2]
Land	2,872,000
Buildings and Improvements	27,767,000
Total	30,639,000	[3]
Accumulated Depreciation (AD)	(15,686,000)
Total Cost Net of Accumulated Depreciation	14,953,000
Encumbrances	16,700,000
Horizons West Apartments [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid Rise
Date Consolidated	Dec-06	[4]
Property Location	Pacifica, CA
Year Built	Jan. 01, 1970
Number of apartment homes	78
Initial Cost, Land	8,887,000	[1]
Initial Cost, Buildings and Improvements	6,377,000	[1]
Costs Capitalized Subsequent to Consolidation	2,184,000	[2]
Land	8,887,000
Buildings and Improvements	8,561,000
Total	17,448,000	[3]
Accumulated Depreciation (AD)	(3,390,000)
Total Cost Net of Accumulated Depreciation	14,058,000
Encumbrances	0
Hunt Club [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Sep-00	[4]
Property Location	Gaithersburg, MD
Year Built	Jan. 01, 1986
Number of apartment homes	336
Initial Cost, Land	17,859,000	[1]
Initial Cost, Buildings and Improvements	13,149,000	[1]
Costs Capitalized Subsequent to Consolidation	8,977,000	[2]
Land	17,859,000
Buildings and Improvements	22,126,000
Total	39,985,000	[3]
Accumulated Depreciation (AD)	(10,862,000)
Total Cost Net of Accumulated Depreciation	29,123,000
Encumbrances	0
Hunters Chase [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jan-01	[4]
Property Location	Midlothian, VA
Year Built	Jan. 01, 1985
Number of apartment homes	320
Initial Cost, Land	7,935,000	[1]
Initial Cost, Buildings and Improvements	7,915,000	[1]
Costs Capitalized Subsequent to Consolidation	3,063,000	[2]
Land	7,935,000
Buildings and Improvements	10,978,000
Total	18,913,000	[3]
Accumulated Depreciation (AD)	(4,838,000)
Total Cost Net of Accumulated Depreciation	14,075,000
Encumbrances	15,038,000
Hunters Glen [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Oct-99	[4]
Property Location	Plainsboro, NJ
Year Built	Jan. 01, 1976
Number of apartment homes	896
Initial Cost, Land	8,778,000	[1]
Initial Cost, Buildings and Improvements	47,259,000	[1]
Costs Capitalized Subsequent to Consolidation	41,137,000	[2]
Land	8,778,000
Buildings and Improvements	88,396,000
Total	97,174,000	[3]
Accumulated Depreciation (AD)	(63,347,000)
Total Cost Net of Accumulated Depreciation	33,827,000
Encumbrances	63,322,000
Hyde Park Tower [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Oct-04	[4]
Property Location	Chicago, IL
Year Built	Jan. 01, 1990
Number of apartment homes	155
Initial Cost, Land	4,731,000	[1]
Initial Cost, Buildings and Improvements	14,927,000	[1]
Costs Capitalized Subsequent to Consolidation	3,938,000	[2]
Land	4,731,000
Buildings and Improvements	18,865,000
Total	23,596,000	[3]
Accumulated Depreciation (AD)	(5,050,000)
Total Cost Net of Accumulated Depreciation	18,546,000
Encumbrances	13,769,000
Indian Oaks [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Mar-02	[4]
Property Location	Simi Valley, CA
Year Built	Jan. 01, 1986
Number of apartment homes	254
Initial Cost, Land	24,523,000	[1]
Initial Cost, Buildings and Improvements	15,801,000	[1]
Costs Capitalized Subsequent to Consolidation	5,093,000	[2]
Land	24,523,000
Buildings and Improvements	20,894,000
Total	45,417,000	[3]
Accumulated Depreciation (AD)	(9,523,000)
Total Cost Net of Accumulated Depreciation	35,894,000
Encumbrances	30,611,000
Island Club [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Oct-00	[4]
Property Location	Oceanside, CA
Year Built	Jan. 01, 1986
Number of apartment homes	592
Initial Cost, Land	18,027,000	[1]
Initial Cost, Buildings and Improvements	28,654,000	[1]
Costs Capitalized Subsequent to Consolidation	14,736,000	[2]
Land	18,027,000
Buildings and Improvements	43,390,000
Total	61,417,000	[3]
Accumulated Depreciation (AD)	(25,222,000)
Total Cost Net of Accumulated Depreciation	36,195,000
Encumbrances	60,075,000
Key Towers [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Apr-01	[4]
Property Location	Alexandria, VA
Year Built	Jan. 01, 1964
Number of apartment homes	140
Initial Cost, Land	1,526,000	[1]
Initial Cost, Buildings and Improvements	7,050,000	[1]
Costs Capitalized Subsequent to Consolidation	6,445,000	[2]
Land	1,526,000
Buildings and Improvements	13,495,000
Total	15,021,000	[3]
Accumulated Depreciation (AD)	(9,042,000)
Total Cost Net of Accumulated Depreciation	5,979,000
Encumbrances	10,118,000
Lakeside [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Oct-99	[4]
Property Location	Lisle, IL
Year Built	Jan. 01, 1972
Number of apartment homes	568
Initial Cost, Land	5,840,000	[1]
Initial Cost, Buildings and Improvements	27,937,000	[1]
Costs Capitalized Subsequent to Consolidation	32,254,000	[2]
Land	5,840,000
Buildings and Improvements	60,191,000
Total	66,031,000	[3]
Accumulated Depreciation (AD)	(38,982,000)
Total Cost Net of Accumulated Depreciation	27,049,000
Encumbrances	27,336,000
Lakeside at Vinings Mountain [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jan-00	[4]
Property Location	Atlanta, GA
Year Built	Jan. 01, 1983
Number of apartment homes	220
Initial Cost, Land	2,111,000	[1]
Initial Cost, Buildings and Improvements	11,862,000	[1]
Costs Capitalized Subsequent to Consolidation	15,661,000	[2]
Land	2,111,000
Buildings and Improvements	27,523,000
Total	29,634,000	[3]
Accumulated Depreciation (AD)	(19,180,000)
Total Cost Net of Accumulated Depreciation	10,454,000
Encumbrances	14,228,000
Latrobe [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Jan-03	[4]
Property Location	Washington, DC
Year Built	Jan. 01, 1980
Number of apartment homes	175
Initial Cost, Land	3,459,000	[1]
Initial Cost, Buildings and Improvements	9,103,000	[1]
Costs Capitalized Subsequent to Consolidation	16,492,000	[2]
Land	3,459,000
Buildings and Improvements	25,595,000
Total	29,054,000	[3]
Accumulated Depreciation (AD)	(17,701,000)
Total Cost Net of Accumulated Depreciation	11,353,000
Encumbrances	28,969,000
Lincoln Place Garden (5) [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden	[5]
Date Consolidated	Oct-04	[4],[5]
Property Location	Venice, CA	[5]
Year Built	Jan. 01, 1951	[5]
Number of apartment homes	767	[5]
Initial Cost, Land	128,332,000	[1],[5]
Initial Cost, Buildings and Improvements	10,439,000	[1],[5]
Costs Capitalized Subsequent to Consolidation	330,252,000	[2],[5]
Land	44,197,000	[5]
Buildings and Improvements	340,691,000	[5]
Total	384,888,000	[3],[5]
Accumulated Depreciation (AD)	(15,023,000)	[5]
Total Cost Net of Accumulated Depreciation	369,865,000	[5]
Encumbrances	175,864,000	[5]
Lodge at Chattahoochee, The [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Oct-99	[4]
Property Location	Sandy Springs, GA
Year Built	Jan. 01, 1970
Number of apartment homes	312
Initial Cost, Land	2,335,000	[1]
Initial Cost, Buildings and Improvements	16,370,000	[1]
Costs Capitalized Subsequent to Consolidation	24,029,000	[2]
Land	2,335,000
Buildings and Improvements	40,399,000
Total	42,734,000	[3]
Accumulated Depreciation (AD)	(26,625,000)
Total Cost Net of Accumulated Depreciation	16,109,000
Encumbrances	20,875,000
Malibu Canyon [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Mar-02	[4]
Property Location	Calabasas, CA
Year Built	Jan. 01, 1986
Number of apartment homes	698
Initial Cost, Land	69,834,000	[1]
Initial Cost, Buildings and Improvements	53,438,000	[1]
Costs Capitalized Subsequent to Consolidation	21,341,000	[2]
Land	69,834,000
Buildings and Improvements	74,779,000
Total	144,613,000	[3]
Accumulated Depreciation (AD)	(33,699,000)
Total Cost Net of Accumulated Depreciation	110,914,000
Encumbrances	113,768,000
Maple Bay [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Dec-99	[4]
Property Location	Virginia Beach, VA
Year Built	Jan. 01, 1971
Number of apartment homes	414
Initial Cost, Land	2,597,000	[1]
Initial Cost, Buildings and Improvements	16,141,000	[1]
Costs Capitalized Subsequent to Consolidation	28,046,000	[2]
Land	2,597,000
Buildings and Improvements	44,187,000
Total	46,784,000	[3]
Accumulated Depreciation (AD)	(29,527,000)
Total Cost Net of Accumulated Depreciation	17,257,000
Encumbrances	30,458,000
Mariners Cove [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Mar-02	[4]
Property Location	San Diego, CA
Year Built	Jan. 01, 1984
Number of apartment homes	500
Initial Cost, Land	0	[1]
Initial Cost, Buildings and Improvements	66,861,000	[1]
Costs Capitalized Subsequent to Consolidation	7,775,000	[2]
Land	0
Buildings and Improvements	74,636,000
Total	74,636,000	[3]
Accumulated Depreciation (AD)	(29,968,000)
Total Cost Net of Accumulated Depreciation	44,668,000
Encumbrances	783,000
Meadow Creek [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jul-94	[4]
Property Location	Boulder, CO
Year Built	Jan. 01, 1968
Number of apartment homes	332
Initial Cost, Land	1,435,000	[1]
Initial Cost, Buildings and Improvements	24,533,000	[1]
Costs Capitalized Subsequent to Consolidation	5,627,000	[2]
Land	1,435,000
Buildings and Improvements	30,160,000
Total	31,595,000	[3]
Accumulated Depreciation (AD)	(15,806,000)
Total Cost Net of Accumulated Depreciation	15,789,000
Encumbrances	0
Merrill House [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Jan-00	[4]
Property Location	Falls Church, VA
Year Built	Jan. 01, 1964
Number of apartment homes	159
Initial Cost, Land	1,836,000	[1]
Initial Cost, Buildings and Improvements	10,831,000	[1]
Costs Capitalized Subsequent to Consolidation	7,028,000	[2]
Land	1,836,000
Buildings and Improvements	17,859,000
Total	19,695,000	[3]
Accumulated Depreciation (AD)	(8,589,000)
Total Cost Net of Accumulated Depreciation	11,106,000
Encumbrances	18,221,000
Monterey Grove [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jun-08	[4]
Property Location	San Jose, CA
Year Built	Jan. 01, 1999
Number of apartment homes	224
Initial Cost, Land	34,325,000	[1]
Initial Cost, Buildings and Improvements	21,939,000	[1]
Costs Capitalized Subsequent to Consolidation	3,820,000	[2]
Land	34,325,000
Buildings and Improvements	25,759,000
Total	60,084,000	[3]
Accumulated Depreciation (AD)	(8,081,000)
Total Cost Net of Accumulated Depreciation	52,003,000
Encumbrances	0
Ocean House on Prospect [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid Rise
Date Consolidated	Apr-13	[4]
Property Location	La Jolla, CA
Year Built	Jan. 01, 1970
Number of apartment homes	60
Initial Cost, Land	12,528,000	[1]
Initial Cost, Buildings and Improvements	18,805,000	[1]
Costs Capitalized Subsequent to Consolidation	2,407,000	[2]
Land	12,528,000
Buildings and Improvements	21,212,000
Total	33,740,000	[3]
Accumulated Depreciation (AD)	(1,012,000)
Total Cost Net of Accumulated Depreciation	32,728,000
Encumbrances	14,331,000
Pacific Bay Vistas (5) [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden	[5]
Date Consolidated	Mar-01	[4],[5]
Property Location	San Bruno, CA	[5]
Year Built	Jan. 01, 1987	[5]
Number of apartment homes	308	[5]
Initial Cost, Land	28,694,000	[1],[5]
Initial Cost, Buildings and Improvements	62,460,000	[1],[5]
Costs Capitalized Subsequent to Consolidation	36,795,000	[2],[5]
Land	22,994,000	[5]
Buildings and Improvements	99,254,000	[5]
Total	122,248,000	[3],[5]
Accumulated Depreciation (AD)	(7,984,000)	[5]
Total Cost Net of Accumulated Depreciation	114,264,000	[5]
Encumbrances	71,133,000	[5]
Pacifica Park [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jul-06	[4]
Property Location	Pacifica, CA
Year Built	Jan. 01, 1977
Number of apartment homes	104
Initial Cost, Land	12,970,000	[1]
Initial Cost, Buildings and Improvements	6,579,000	[1]
Costs Capitalized Subsequent to Consolidation	3,680,000	[2]
Land	12,970,000
Buildings and Improvements	10,259,000
Total	23,229,000	[3]
Accumulated Depreciation (AD)	(4,720,000)
Total Cost Net of Accumulated Depreciation	18,509,000
Encumbrances	11,916,000
Palazzo at Park La Brea, The [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid Rise
Date Consolidated	Feb-04	[4]
Property Location	Los Angeles, CA
Year Built	Jan. 01, 2002
Number of apartment homes	521
Initial Cost, Land	48,362,000	[1]
Initial Cost, Buildings and Improvements	125,464,000	[1]
Costs Capitalized Subsequent to Consolidation	29,124,000	[2]
Land	48,362,000
Buildings and Improvements	154,588,000
Total	202,950,000	[3]
Accumulated Depreciation (AD)	(58,682,000)
Total Cost Net of Accumulated Depreciation	144,268,000
Encumbrances	115,755,000
Palazzo East at Park La Brea, The [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid Rise
Date Consolidated	Mar-05	[4]
Property Location	Los Angeles, CA
Year Built	Jan. 01, 2005
Number of apartment homes	611
Initial Cost, Land	72,578,000	[1]
Initial Cost, Buildings and Improvements	136,503,000	[1]
Costs Capitalized Subsequent to Consolidation	16,218,000	[2]
Land	72,578,000
Buildings and Improvements	152,721,000
Total	225,299,000	[3]
Accumulated Depreciation (AD)	(55,801,000)
Total Cost Net of Accumulated Depreciation	169,498,000
Encumbrances	120,269,000
Park Towne Place [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Apr-00	[4]
Property Location	Philadelphia, PA
Year Built	Jan. 01, 1959
Number of apartment homes	959
Initial Cost, Land	10,472,000	[1]
Initial Cost, Buildings and Improvements	47,301,000	[1]
Costs Capitalized Subsequent to Consolidation	145,860,000	[2]
Land	10,472,000
Buildings and Improvements	193,161,000
Total	203,633,000	[3]
Accumulated Depreciation (AD)	(51,541,000)
Total Cost Net of Accumulated Depreciation	152,092,000
Encumbrances	0
Parkway [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Mar-00	[4]
Property Location	Willamsburg, VA
Year Built	Jan. 01, 1971
Number of apartment homes	148
Initial Cost, Land	386,000	[1]
Initial Cost, Buildings and Improvements	2,834,000	[1]
Costs Capitalized Subsequent to Consolidation	2,898,000	[2]
Land	386,000
Buildings and Improvements	5,732,000
Total	6,118,000	[3]
Accumulated Depreciation (AD)	(3,463,000)
Total Cost Net of Accumulated Depreciation	2,655,000
Encumbrances	8,460,000
Pathfinder Village [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jan-06	[4]
Property Location	Fremont, CA
Year Built	Jan. 01, 1973
Number of apartment homes	246
Initial Cost, Land	19,595,000	[1]
Initial Cost, Buildings and Improvements	14,838,000	[1]
Costs Capitalized Subsequent to Consolidation	9,928,000	[2]
Land	19,595,000
Buildings and Improvements	24,766,000
Total	44,361,000	[3]
Accumulated Depreciation (AD)	(9,992,000)
Total Cost Net of Accumulated Depreciation	34,369,000
Encumbrances	40,251,000
Peachtree Park [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jan-96	[4]
Property Location	Atlanta, GA
Year Built	Jan. 01, 1969
Number of apartment homes	303
Initial Cost, Land	4,684,000	[1]
Initial Cost, Buildings and Improvements	11,713,000	[1]
Costs Capitalized Subsequent to Consolidation	12,952,000	[2]
Land	4,684,000
Buildings and Improvements	24,665,000
Total	29,349,000	[3]
Accumulated Depreciation (AD)	(13,146,000)
Total Cost Net of Accumulated Depreciation	16,203,000
Encumbrances	7,743,000
Peak At Vinings Mountain, The [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jan-00	[4]
Property Location	Atlanta, GA
Year Built	Jan. 01, 1980
Number of apartment homes	280
Initial Cost, Land	2,651,000	[1]
Initial Cost, Buildings and Improvements	13,660,000	[1]
Costs Capitalized Subsequent to Consolidation	18,350,000	[2]
Land	2,651,000
Buildings and Improvements	32,010,000
Total	34,661,000	[3]
Accumulated Depreciation (AD)	(22,611,000)
Total Cost Net of Accumulated Depreciation	12,050,000
Encumbrances	15,033,000
Peakview Place [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jan-00	[4]
Property Location	Englewood, CO
Year Built	Jan. 01, 1975
Number of apartment homes	296
Initial Cost, Land	3,442,000	[1]
Initial Cost, Buildings and Improvements	18,248,000	[1]
Costs Capitalized Subsequent to Consolidation	0	[2]
Land	3,442,000
Buildings and Improvements	18,248,000
Total	21,690,000	[3]
Accumulated Depreciation (AD)	(11,836,000)
Total Cost Net of Accumulated Depreciation	9,854,000
Encumbrances	11,874,000
Plantation Gardens [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Oct-99	[4]
Property Location	Plantation ,FL
Year Built	Jan. 01, 1971
Number of apartment homes	372
Initial Cost, Land	3,773,000	[1]
Initial Cost, Buildings and Improvements	19,443,000	[1]
Costs Capitalized Subsequent to Consolidation	19,004,000	[2]
Land	3,773,000
Buildings and Improvements	38,447,000
Total	42,220,000	[3]
Accumulated Depreciation (AD)	(18,971,000)
Total Cost Net of Accumulated Depreciation	23,249,000
Encumbrances	22,201,000
Post Ridge [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jul-00	[4]
Property Location	Nashville, TN
Year Built	Jan. 01, 1972
Number of apartment homes	150
Initial Cost, Land	1,883,000	[1]
Initial Cost, Buildings and Improvements	6,712,000	[1]
Costs Capitalized Subsequent to Consolidation	4,478,000	[2]
Land	1,883,000
Buildings and Improvements	11,190,000
Total	13,073,000	[3]
Accumulated Depreciation (AD)	(6,861,000)
Total Cost Net of Accumulated Depreciation	6,212,000
Encumbrances	5,577,000
Preserve at Marin [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid Rise
Date Consolidated	Aug-11	[4]
Property Location	Corte Madera, CA
Year Built	Jan. 01, 1964
Number of apartment homes	126
Initial Cost, Land	18,179,000	[1]
Initial Cost, Buildings and Improvements	30,132,000	[1]
Costs Capitalized Subsequent to Consolidation	75,232,000	[2]
Land	18,179,000
Buildings and Improvements	105,364,000
Total	123,543,000	[3]
Accumulated Depreciation (AD)	(2,034,000)
Total Cost Net of Accumulated Depreciation	121,509,000
Encumbrances	39,152,000
Ramblewood [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Dec-99	[4]
Property Location	Wyoming, MI
Year Built	Jan. 01, 1973
Number of apartment homes	1,707
Initial Cost, Land	8,661,000	[1]
Initial Cost, Buildings and Improvements	61,082,000	[1]
Costs Capitalized Subsequent to Consolidation	10,783,000	[2]
Land	8,661,000
Buildings and Improvements	71,865,000
Total	80,526,000	[3]
Accumulated Depreciation (AD)	(28,954,000)
Total Cost Net of Accumulated Depreciation	51,572,000
Encumbrances	32,808,000
Ravensworth Towers [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Jun-04	[4]
Property Location	Annandale, VA
Year Built	Jan. 01, 1974
Number of apartment homes	219
Initial Cost, Land	3,455,000	[1]
Initial Cost, Buildings and Improvements	17,157,000	[1]
Costs Capitalized Subsequent to Consolidation	2,669,000	[2]
Land	3,455,000
Buildings and Improvements	19,826,000
Total	23,281,000	[3]
Accumulated Depreciation (AD)	(11,461,000)
Total Cost Net of Accumulated Depreciation	11,820,000
Encumbrances	21,992,000
Reflections [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Sep-00	[4]
Property Location	Virginia Beach, VA
Year Built	Jan. 01, 1987
Number of apartment homes	480
Initial Cost, Land	15,988,000	[1]
Initial Cost, Buildings and Improvements	13,684,000	[1]
Costs Capitalized Subsequent to Consolidation	4,985,000	[2]
Land	15,988,000
Buildings and Improvements	18,669,000
Total	34,657,000	[3]
Accumulated Depreciation (AD)	(9,505,000)
Total Cost Net of Accumulated Depreciation	25,152,000
Encumbrances	29,877,000
River Club, The [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Apr-05	[4]
Property Location	Edgewater, NJ
Year Built	Jan. 01, 1998
Number of apartment homes	266
Initial Cost, Land	30,579,000	[1]
Initial Cost, Buildings and Improvements	30,638,000	[1]
Costs Capitalized Subsequent to Consolidation	2,843,000	[2]
Land	30,579,000
Buildings and Improvements	33,481,000
Total	64,060,000	[3]
Accumulated Depreciation (AD)	(11,545,000)
Total Cost Net of Accumulated Depreciation	52,515,000
Encumbrances	0
Riverloft [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Oct-99	[4]
Property Location	Philadelphia, PA
Year Built	Jan. 01, 1910
Number of apartment homes	184
Initial Cost, Land	2,120,000	[1]
Initial Cost, Buildings and Improvements	11,286,000	[1]
Costs Capitalized Subsequent to Consolidation	29,065,000	[2]
Land	2,120,000
Buildings and Improvements	40,351,000
Total	42,471,000	[3]
Accumulated Depreciation (AD)	(16,777,000)
Total Cost Net of Accumulated Depreciation	25,694,000
Encumbrances	13,923,000
Riverside [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Apr-00	[4]
Property Location	Alexandria ,VA
Year Built	Jan. 01, 1973
Number of apartment homes	1,222
Initial Cost, Land	10,493,000	[1]
Initial Cost, Buildings and Improvements	65,473,000	[1]
Costs Capitalized Subsequent to Consolidation	88,226,000	[2]
Land	10,493,000
Buildings and Improvements	153,699,000
Total	164,192,000	[3]
Accumulated Depreciation (AD)	(106,201,000)
Total Cost Net of Accumulated Depreciation	57,991,000
Encumbrances	116,213,000
Rosewood [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Mar-02	[4]
Property Location	Camarillo, CA
Year Built	Jan. 01, 1976
Number of apartment homes	152
Initial Cost, Land	12,430,000	[1]
Initial Cost, Buildings and Improvements	8,060,000	[1]
Costs Capitalized Subsequent to Consolidation	3,540,000	[2]
Land	12,430,000
Buildings and Improvements	11,600,000
Total	24,030,000	[3]
Accumulated Depreciation (AD)	(4,927,000)
Total Cost Net of Accumulated Depreciation	19,103,000
Encumbrances	16,971,000
Royal Crest Estates [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Aug-02	[4]
Property Location	Warwick, RI
Year Built	Jan. 01, 1972
Number of apartment homes	492
Initial Cost, Land	22,433,000	[1]
Initial Cost, Buildings and Improvements	24,095,000	[1]
Costs Capitalized Subsequent to Consolidation	5,218,000	[2]
Land	22,433,000
Buildings and Improvements	29,313,000
Total	51,746,000	[3]
Accumulated Depreciation (AD)	(16,627,000)
Total Cost Net of Accumulated Depreciation	35,119,000
Encumbrances	35,293,000
Royal Crest Estates [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Aug-02	[4]
Property Location	Nashua, NH
Year Built	Jan. 01, 1970
Number of apartment homes	902
Initial Cost, Land	68,230,000	[1]
Initial Cost, Buildings and Improvements	45,562,000	[1]
Costs Capitalized Subsequent to Consolidation	9,142,000	[2]
Land	68,230,000
Buildings and Improvements	54,704,000
Total	122,934,000	[3]
Accumulated Depreciation (AD)	(34,008,000)
Total Cost Net of Accumulated Depreciation	88,926,000
Encumbrances	36,210,000
Royal Crest Estates [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Aug-02	[4]
Property Location	Marlborough, MA
Year Built	Jan. 01, 1970
Number of apartment homes	473
Initial Cost, Land	25,178,000	[1]
Initial Cost, Buildings and Improvements	28,786,000	[1]
Costs Capitalized Subsequent to Consolidation	8,965,000	[2]
Land	25,178,000
Buildings and Improvements	37,751,000
Total	62,929,000	[3]
Accumulated Depreciation (AD)	(19,208,000)
Total Cost Net of Accumulated Depreciation	43,721,000
Encumbrances	32,807,000
Royal Crest Estates [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Aug-02	[4]
Property Location	North Andover, MA
Year Built	Jan. 01, 1970
Number of apartment homes	588
Initial Cost, Land	51,292,000	[1]
Initial Cost, Buildings and Improvements	36,808,000	[1]
Costs Capitalized Subsequent to Consolidation	20,516,000	[2]
Land	51,292,000
Buildings and Improvements	57,324,000
Total	108,616,000	[3]
Accumulated Depreciation (AD)	(25,770,000)
Total Cost Net of Accumulated Depreciation	82,846,000
Encumbrances	0
San Melia [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Mar-12	[4]
Property Location	Phoenix, AZ
Year Built	Jan. 01, 1998
Number of apartment homes	488
Initial Cost, Land	16,631,000	[1]
Initial Cost, Buildings and Improvements	55,679,000	[1]
Costs Capitalized Subsequent to Consolidation	5,724,000	[2]
Land	16,631,000
Buildings and Improvements	61,403,000
Total	78,034,000	[3]
Accumulated Depreciation (AD)	(6,750,000)
Total Cost Net of Accumulated Depreciation	71,284,000
Encumbrances	30,592,000
Savannah Trace [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Mar-01	[4]
Property Location	Shaumburg, IL
Year Built	Jan. 01, 1986
Number of apartment homes	368
Initial Cost, Land	13,960,000	[1]
Initial Cost, Buildings and Improvements	20,731,000	[1]
Costs Capitalized Subsequent to Consolidation	4,604,000	[2]
Land	13,960,000
Buildings and Improvements	25,335,000
Total	39,295,000	[3]
Accumulated Depreciation (AD)	(12,512,000)
Total Cost Net of Accumulated Depreciation	26,783,000
Encumbrances	24,575,000
Saybrook Point [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Dec-14
Property Location	San Jose, CA
Year Built	Jan. 01, 1995
Number of apartment homes	324
Initial Cost, Land	32,842,000
Initial Cost, Buildings and Improvements	84,457,000
Costs Capitalized Subsequent to Consolidation	0
Land	32,842,000
Buildings and Improvements	84,457,000
Total	117,299,000
Accumulated Depreciation (AD)	117,000
Total Cost Net of Accumulated Depreciation	117,182,000
Encumbrances	64,817,000
Scotchollow [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jan-06	[4]
Property Location	San Mateo, CA
Year Built	Jan. 01, 1971
Number of apartment homes	418
Initial Cost, Land	49,475,000	[1]
Initial Cost, Buildings and Improvements	17,756,000	[1]
Costs Capitalized Subsequent to Consolidation	12,034,000	[2]
Land	49,475,000
Buildings and Improvements	29,790,000
Total	79,265,000	[3]
Accumulated Depreciation (AD)	(12,686,000)
Total Cost Net of Accumulated Depreciation	66,579,000
Encumbrances	77,071,000
Shenandoah Crossing [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Sep-00	[4]
Property Location	Fairfax, VA
Year Built	Jan. 01, 1984
Number of apartment homes	640
Initial Cost, Land	18,200,000	[1]
Initial Cost, Buildings and Improvements	57,198,000	[1]
Costs Capitalized Subsequent to Consolidation	17,777,000	[2]
Land	18,200,000
Buildings and Improvements	74,975,000
Total	93,175,000	[3]
Accumulated Depreciation (AD)	(39,868,000)
Total Cost Net of Accumulated Depreciation	53,307,000
Encumbrances	63,444,000
Springwoods at Lake Ridge [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jul-02	[4]
Property Location	Woodbridge, VA
Year Built	Jan. 01, 1984
Number of apartment homes	180
Initial Cost, Land	5,587,000	[1]
Initial Cost, Buildings and Improvements	7,284,000	[1]
Costs Capitalized Subsequent to Consolidation	2,643,000	[2]
Land	5,587,000
Buildings and Improvements	9,927,000
Total	15,514,000	[3]
Accumulated Depreciation (AD)	(2,632,000)
Total Cost Net of Accumulated Depreciation	12,882,000
Encumbrances	13,092,000
Spyglass at Cedar Cove [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Sep-00	[4]
Property Location	Lexington Park, MD
Year Built	Jan. 01, 1985
Number of apartment homes	152
Initial Cost, Land	3,241,000	[1]
Initial Cost, Buildings and Improvements	5,094,000	[1]
Costs Capitalized Subsequent to Consolidation	3,165,000	[2]
Land	3,241,000
Buildings and Improvements	8,259,000
Total	11,500,000	[3]
Accumulated Depreciation (AD)	(4,893,000)
Total Cost Net of Accumulated Depreciation	6,607,000
Encumbrances	9,755,000
Stafford [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Oct-02	[4]
Property Location	Baltimore, MD
Year Built	Jan. 01, 1889
Number of apartment homes	96
Initial Cost, Land	562,000	[1]
Initial Cost, Buildings and Improvements	4,033,000	[1]
Costs Capitalized Subsequent to Consolidation	4,176,000	[2]
Land	562,000
Buildings and Improvements	8,209,000
Total	8,771,000	[3]
Accumulated Depreciation (AD)	(5,529,000)
Total Cost Net of Accumulated Depreciation	3,242,000
Encumbrances	3,977,000
Steeplechase [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Sep-00	[4]
Property Location	Largo, MD
Year Built	Jan. 01, 1986
Number of apartment homes	240
Initial Cost, Land	3,675,000	[1]
Initial Cost, Buildings and Improvements	16,111,000	[1]
Costs Capitalized Subsequent to Consolidation	4,808,000	[2]
Land	3,675,000
Buildings and Improvements	20,919,000
Total	24,594,000	[3]
Accumulated Depreciation (AD)	(10,725,000)
Total Cost Net of Accumulated Depreciation	13,869,000
Encumbrances	0
Sterling Apartment Homes, The [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Oct-99	[4]
Property Location	Philadelphia, PA
Year Built	Jan. 01, 1961
Number of apartment homes	536
Initial Cost, Land	8,871,000	[1]
Initial Cost, Buildings and Improvements	55,365,000	[1]
Costs Capitalized Subsequent to Consolidation	48,901,000	[2]
Land	8,871,000
Buildings and Improvements	104,266,000
Total	113,137,000	[3]
Accumulated Depreciation (AD)	(46,219,000)
Total Cost Net of Accumulated Depreciation	66,918,000
Encumbrances	71,505,000
Stone Creek Club [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Sep-00	[4]
Property Location	Germantown, MD
Year Built	Jan. 01, 1984
Number of apartment homes	240
Initial Cost, Land	13,593,000	[1]
Initial Cost, Buildings and Improvements	9,347,000	[1]
Costs Capitalized Subsequent to Consolidation	6,640,000	[2]
Land	13,593,000
Buildings and Improvements	15,987,000
Total	29,580,000	[3]
Accumulated Depreciation (AD)	(9,423,000)
Total Cost Net of Accumulated Depreciation	20,157,000
Encumbrances	0
Timbers at Long Reach Apartment Homes [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Apr-05
Property Location	Columbia, MD
Year Built	Jan. 01, 1979
Number of apartment homes	178
Initial Cost, Land	2,430,000
Initial Cost, Buildings and Improvements	12,181,000
Costs Capitalized Subsequent to Consolidation	613,000
Land	2,430,000
Buildings and Improvements	12,794,000
Total	15,224,000
Accumulated Depreciation (AD)	6,444,000
Total Cost Net of Accumulated Depreciation	8,780,000
Encumbrances	13,121,000
Towers Of Westchester Park, The [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Jan-06	[4]
Property Location	College Park, MD
Year Built	Jan. 01, 1972
Number of apartment homes	303
Initial Cost, Land	15,198,000	[1]
Initial Cost, Buildings and Improvements	22,029,000	[1]
Costs Capitalized Subsequent to Consolidation	10,963,000	[2]
Land	15,198,000
Buildings and Improvements	32,992,000
Total	48,190,000	[3]
Accumulated Depreciation (AD)	(11,766,000)
Total Cost Net of Accumulated Depreciation	36,424,000
Encumbrances	25,467,000
Township At Highlands [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Town Home
Date Consolidated	Nov-96	[4]
Property Location	Centennial, CO
Year Built	Jan. 01, 1985
Number of apartment homes	161
Initial Cost, Land	1,536,000	[1]
Initial Cost, Buildings and Improvements	9,773,000	[1]
Costs Capitalized Subsequent to Consolidation	6,435,000	[2]
Land	1,536,000
Buildings and Improvements	16,208,000
Total	17,744,000	[3]
Accumulated Depreciation (AD)	(9,477,000)
Total Cost Net of Accumulated Depreciation	8,267,000
Encumbrances	15,100,000
Tremont [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid Rise
Date Consolidated	Dec-14
Property Location	Atlanta, GA
Year Built	Jan. 01, 2009
Number of apartment homes	78
Initial Cost, Land	5,155,000
Initial Cost, Buildings and Improvements	18,130,000
Costs Capitalized Subsequent to Consolidation	0
Land	5,155,000
Buildings and Improvements	18,130,000
Total	23,285,000
Accumulated Depreciation (AD)	25,000
Total Cost Net of Accumulated Depreciation	23,260,000
Encumbrances	0
Twin Lake Towers [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Oct-99	[4]
Property Location	Westmont, IL
Year Built	Jan. 01, 1969
Number of apartment homes	399
Initial Cost, Land	3,268,000	[1]
Initial Cost, Buildings and Improvements	18,763,000	[1]
Costs Capitalized Subsequent to Consolidation	38,885,000	[2]
Land	3,268,000
Buildings and Improvements	57,648,000
Total	60,916,000	[3]
Accumulated Depreciation (AD)	(40,980,000)
Total Cost Net of Accumulated Depreciation	19,936,000
Encumbrances	31,691,000
Vantage Pointe [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid Rise
Date Consolidated	Aug-02	[4]
Property Location	Swampscott, MA
Year Built	Jan. 01, 1987
Number of apartment homes	96
Initial Cost, Land	4,748,000	[1]
Initial Cost, Buildings and Improvements	10,089,000	[1]
Costs Capitalized Subsequent to Consolidation	1,188,000	[2]
Land	4,748,000
Buildings and Improvements	11,277,000
Total	16,025,000	[3]
Accumulated Depreciation (AD)	(3,953,000)
Total Cost Net of Accumulated Depreciation	12,072,000
Encumbrances	5,100,000
Views at Vinings Mountain, The [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jan-06	[4]
Property Location	Atlanta, GA
Year Built	Jan. 01, 1983
Number of apartment homes	180
Initial Cost, Land	610,000	[1]
Initial Cost, Buildings and Improvements	5,026,000	[1]
Costs Capitalized Subsequent to Consolidation	12,004,000	[2]
Land	610,000
Buildings and Improvements	17,030,000
Total	17,640,000	[3]
Accumulated Depreciation (AD)	(14,963,000)
Total Cost Net of Accumulated Depreciation	2,677,000
Encumbrances	0
Villa Del Sol [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Mar-02	[4]
Property Location	Norwalk, CA
Year Built	Jan. 01, 1972
Number of apartment homes	120
Initial Cost, Land	7,476,000	[1]
Initial Cost, Buildings and Improvements	4,861,000	[1]
Costs Capitalized Subsequent to Consolidation	2,339,000	[2]
Land	7,476,000
Buildings and Improvements	7,200,000
Total	14,676,000	[3]
Accumulated Depreciation (AD)	(3,881,000)
Total Cost Net of Accumulated Depreciation	10,795,000
Encumbrances	11,432,000
Village of Pennbrook [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Oct-98	[4]
Property Location	Levittown, PA
Year Built	Jan. 01, 1969
Number of apartment homes	722
Initial Cost, Land	10,240,000	[1]
Initial Cost, Buildings and Improvements	38,222,000	[1]
Costs Capitalized Subsequent to Consolidation	13,110,000	[2]
Land	10,240,000
Buildings and Improvements	51,332,000
Total	61,572,000	[3]
Accumulated Depreciation (AD)	(30,337,000)
Total Cost Net of Accumulated Depreciation	31,235,000
Encumbrances	44,883,000
Villas at Park La Brea, The [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Mar-02	[4]
Property Location	Los Angeles, CA
Year Built	Jan. 01, 2002
Number of apartment homes	250
Initial Cost, Land	8,630,000	[1]
Initial Cost, Buildings and Improvements	48,871,000	[1]
Costs Capitalized Subsequent to Consolidation	6,086,000	[2]
Land	8,630,000
Buildings and Improvements	54,957,000
Total	63,587,000	[3]
Accumulated Depreciation (AD)	(23,191,000)
Total Cost Net of Accumulated Depreciation	40,396,000
Encumbrances	21,428,000
Waterford Village [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Aug-02	[4]
Property Location	Bridgewater, MA
Year Built	Jan. 01, 1971
Number of apartment homes	588
Initial Cost, Land	29,110,000	[1]
Initial Cost, Buildings and Improvements	28,101,000	[1]
Costs Capitalized Subsequent to Consolidation	3,143,000	[2]
Land	29,110,000
Buildings and Improvements	31,244,000
Total	60,354,000	[3]
Accumulated Depreciation (AD)	(21,275,000)
Total Cost Net of Accumulated Depreciation	39,079,000
Encumbrances	38,014,000
Waterways Village [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jun-97	[4]
Property Location	Aventura, FL
Year Built	Jan. 01, 1994
Number of apartment homes	180
Initial Cost, Land	4,504,000	[1]
Initial Cost, Buildings and Improvements	11,064,000	[1]
Costs Capitalized Subsequent to Consolidation	5,701,000	[2]
Land	4,504,000
Buildings and Improvements	16,765,000
Total	21,269,000	[3]
Accumulated Depreciation (AD)	(8,367,000)
Total Cost Net of Accumulated Depreciation	12,902,000
Encumbrances	0
Waverly Apartments [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Aug-08	[4]
Property Location	Brighton, MA
Year Built	Jan. 01, 1970
Number of apartment homes	103
Initial Cost, Land	7,920,000	[1]
Initial Cost, Buildings and Improvements	11,347,000	[1]
Costs Capitalized Subsequent to Consolidation	2,040,000	[2]
Land	7,920,000
Buildings and Improvements	13,387,000
Total	21,307,000	[3]
Accumulated Depreciation (AD)	(3,822,000)
Total Cost Net of Accumulated Depreciation	17,485,000
Encumbrances	12,459,000
Wexford Village [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Aug-02	[4]
Property Location	Worcester, MA
Year Built	Jan. 01, 1974
Number of apartment homes	264
Initial Cost, Land	6,349,000	[1]
Initial Cost, Buildings and Improvements	17,939,000	[1]
Costs Capitalized Subsequent to Consolidation	1,700,000	[2]
Land	6,349,000
Buildings and Improvements	19,639,000
Total	25,988,000	[3]
Accumulated Depreciation (AD)	(9,869,000)
Total Cost Net of Accumulated Depreciation	16,119,000
Encumbrances	10,188,000
Willow Bend [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	May-98	[4]
Property Location	Rolling Meadows, IL
Year Built	Jan. 01, 1969
Number of apartment homes	328
Initial Cost, Land	2,717,000	[1]
Initial Cost, Buildings and Improvements	15,437,000	[1]
Costs Capitalized Subsequent to Consolidation	26,480,000	[2]
Land	2,717,000
Buildings and Improvements	41,917,000
Total	44,634,000	[3]
Accumulated Depreciation (AD)	(28,596,000)
Total Cost Net of Accumulated Depreciation	16,038,000
Encumbrances	18,386,000
Windrift [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Mar-01	[4]
Property Location	Oceanside, CA
Year Built	Jan. 01, 1987
Number of apartment homes	404
Initial Cost, Land	24,960,000	[1]
Initial Cost, Buildings and Improvements	17,590,000	[1]
Costs Capitalized Subsequent to Consolidation	20,375,000	[2]
Land	24,960,000
Buildings and Improvements	37,965,000
Total	62,925,000	[3]
Accumulated Depreciation (AD)	(25,980,000)
Total Cost Net of Accumulated Depreciation	36,945,000
Encumbrances	41,863,000
Windsor Park [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Mar-01	[4]
Property Location	Woodbridge, VA
Year Built	Jan. 01, 1987
Number of apartment homes	220
Initial Cost, Land	4,279,000	[1]
Initial Cost, Buildings and Improvements	15,970,000	[1]
Costs Capitalized Subsequent to Consolidation	5,327,000	[2]
Land	4,279,000
Buildings and Improvements	21,297,000
Total	25,576,000	[3]
Accumulated Depreciation (AD)	(9,834,000)
Total Cost Net of Accumulated Depreciation	15,742,000
Encumbrances	18,294,000
Woods of williamsburg [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jan-06	[4]
Property Location	Williamsburg, VA
Year Built	Jan. 01, 1976
Number of apartment homes	125
Initial Cost, Land	798,000	[1]
Initial Cost, Buildings and Improvements	3,657,000	[1]
Costs Capitalized Subsequent to Consolidation	1,192,000	[2]
Land	798,000
Buildings and Improvements	4,849,000
Total	5,647,000	[3]
Accumulated Depreciation (AD)	(3,872,000)
Total Cost Net of Accumulated Depreciation	1,775,000
Encumbrances	0
Yacht Club at Brickell [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Dec-03	[4]
Property Location	Miami, FL
Year Built	Jan. 01, 1998
Number of apartment homes	357
Initial Cost, Land	31,362,000	[1]
Initial Cost, Buildings and Improvements	32,214,000	[1]
Costs Capitalized Subsequent to Consolidation	9,431,000	[2]
Land	31,362,000
Buildings and Improvements	41,645,000
Total	73,007,000	[3]
Accumulated Depreciation (AD)	(12,334,000)
Total Cost Net of Accumulated Depreciation	60,673,000
Encumbrances	48,229,000
Yorktown Apartments [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Dec-99	[4]
Property Location	Lombard, IL
Year Built	Jan. 01, 1971
Number of apartment homes	364
Initial Cost, Land	3,055,000	[1]
Initial Cost, Buildings and Improvements	18,162,000	[1]
Costs Capitalized Subsequent to Consolidation	33,672,000	[2]
Land	3,055,000
Buildings and Improvements	51,834,000
Total	54,889,000	[3]
Accumulated Depreciation (AD)	(22,109,000)
Total Cost Net of Accumulated Depreciation	32,780,000
Encumbrances	30,937,000
Total Affordable Properties [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Number of apartment homes	8,132
Initial Cost, Land	41,251,000	[1]
Initial Cost, Buildings and Improvements	376,861,000	[1]
Costs Capitalized Subsequent to Consolidation	351,448,000	[2]
Land	41,251,000
Buildings and Improvements	728,309,000
Total	769,560,000	[3]
Accumulated Depreciation (AD)	(390,180,000)
Total Cost Net of Accumulated Depreciation	379,380,000
Encumbrances	355,814,000
All Hallows [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jan-06	[4]
Property Location	San Francisco, CA
Year Built	Jan. 01, 1976
Number of apartment homes	157
Initial Cost, Land	1,338,000	[1]
Initial Cost, Buildings and Improvements	29,770,000	[1]
Costs Capitalized Subsequent to Consolidation	20,911,000	[2]
Land	1,338,000
Buildings and Improvements	50,681,000
Total	52,019,000	[3]
Accumulated Depreciation (AD)	(27,472,000)
Total Cost Net of Accumulated Depreciation	24,547,000
Encumbrances	22,885,000
Arvada House [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Nov-04	[4]
Property Location	Arvada, CO
Year Built	Jan. 01, 1977
Number of apartment homes	88
Initial Cost, Land	405,000	[1]
Initial Cost, Buildings and Improvements	3,314,000	[1]
Costs Capitalized Subsequent to Consolidation	2,364,000	[2]
Land	405,000
Buildings and Improvements	5,678,000
Total	6,083,000	[3]
Accumulated Depreciation (AD)	(2,447,000)
Total Cost Net of Accumulated Depreciation	3,636,000
Encumbrances	3,956,000
Bayview [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jun-05	[4]
Property Location	San Francisco, CA
Year Built	Jan. 01, 1976
Number of apartment homes	146
Initial Cost, Land	582,000	[1]
Initial Cost, Buildings and Improvements	15,265,000	[1]
Costs Capitalized Subsequent to Consolidation	17,710,000	[2]
Land	582,000
Buildings and Improvements	32,975,000
Total	33,557,000	[3]
Accumulated Depreciation (AD)	(19,668,000)
Total Cost Net of Accumulated Depreciation	13,889,000
Encumbrances	11,704,000
Beacon Hill [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Mar-02	[4]
Property Location	Hillsdale, MI
Year Built	Jan. 01, 1980
Number of apartment homes	198
Initial Cost, Land	1,094,000	[1]
Initial Cost, Buildings and Improvements	7,044,000	[1]
Costs Capitalized Subsequent to Consolidation	6,290,000	[2]
Land	1,094,000
Buildings and Improvements	13,334,000
Total	14,428,000	[3]
Accumulated Depreciation (AD)	(5,920,000)
Total Cost Net of Accumulated Depreciation	8,508,000
Encumbrances	6,889,000
Biltmore Towers [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Mar-02	[4]
Property Location	Dayton, OH
Year Built	Jan. 01, 1980
Number of apartment homes	230
Initial Cost, Land	1,814,000	[1]
Initial Cost, Buildings and Improvements	6,411,000	[1]
Costs Capitalized Subsequent to Consolidation	12,963,000	[2]
Land	1,814,000
Buildings and Improvements	19,374,000
Total	21,188,000	[3]
Accumulated Depreciation (AD)	(11,870,000)
Total Cost Net of Accumulated Depreciation	9,318,000
Encumbrances	10,331,000
Butternut Creek [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid Rise
Date Consolidated	Jan-06	[4]
Property Location	Charlotte, MI
Year Built	Jan. 01, 1980
Number of apartment homes	100
Initial Cost, Land	505,000	[1]
Initial Cost, Buildings and Improvements	3,617,000	[1]
Costs Capitalized Subsequent to Consolidation	3,902,000	[2]
Land	505,000
Buildings and Improvements	7,519,000
Total	8,024,000	[3]
Accumulated Depreciation (AD)	(5,575,000)
Total Cost Net of Accumulated Depreciation	2,449,000
Encumbrances	4,049,000
Carriage House [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid Rise
Date Consolidated	Dec-06	[4]
Property Location	Petersburg, VA
Year Built	Jan. 01, 1885
Number of apartment homes	118
Initial Cost, Land	716,000	[1]
Initial Cost, Buildings and Improvements	2,886,000	[1]
Costs Capitalized Subsequent to Consolidation	3,990,000	[2]
Land	716,000
Buildings and Improvements	6,876,000
Total	7,592,000	[3]
Accumulated Depreciation (AD)	(3,608,000)
Total Cost Net of Accumulated Depreciation	3,984,000
Encumbrances	1,863,000
City Line [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Mar-02	[4]
Property Location	Newport News, VA
Year Built	Jan. 01, 1976
Number of apartment homes	200
Initial Cost, Land	500,000	[1]
Initial Cost, Buildings and Improvements	2,014,000	[1]
Costs Capitalized Subsequent to Consolidation	7,386,000	[2]
Land	500,000
Buildings and Improvements	9,400,000
Total	9,900,000	[3]
Accumulated Depreciation (AD)	(4,855,000)
Total Cost Net of Accumulated Depreciation	5,045,000
Encumbrances	4,428,000
Copperwood I Apartments [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Apr-06	[4]
Property Location	The Woodlands, TX
Year Built	Jan. 01, 1980
Number of apartment homes	150
Initial Cost, Land	383,000	[1]
Initial Cost, Buildings and Improvements	8,373,000	[1]
Costs Capitalized Subsequent to Consolidation	5,507,000	[2]
Land	383,000
Buildings and Improvements	13,880,000
Total	14,263,000	[3]
Accumulated Depreciation (AD)	(12,086,000)
Total Cost Net of Accumulated Depreciation	2,177,000
Encumbrances	5,242,000
Copperwood II Apartments [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Oct-05	[4]
Property Location	The Woodlands, TX
Year Built	Jan. 01, 1981
Number of apartment homes	150
Initial Cost, Land	459,000	[1]
Initial Cost, Buildings and Improvements	5,553,000	[1]
Costs Capitalized Subsequent to Consolidation	3,563,000	[2]
Land	459,000
Buildings and Improvements	9,116,000
Total	9,575,000	[3]
Accumulated Depreciation (AD)	(5,543,000)
Total Cost Net of Accumulated Depreciation	4,032,000
Encumbrances	5,408,000
Country Club Heights [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Mar-04	[4]
Property Location	Quincy, IL
Year Built	Jan. 01, 1976
Number of apartment homes	200
Initial Cost, Land	676,000	[1]
Initial Cost, Buildings and Improvements	5,715,000	[1]
Costs Capitalized Subsequent to Consolidation	5,104,000	[2]
Land	676,000
Buildings and Improvements	10,819,000
Total	11,495,000	[3]
Accumulated Depreciation (AD)	(5,691,000)
Total Cost Net of Accumulated Depreciation	5,804,000
Encumbrances	5,748,000
Crevenna Oaks [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Town Home
Date Consolidated	Jan-06	[4]
Property Location	Burke, VA
Year Built	Jan. 01, 1979
Number of apartment homes	50
Initial Cost, Land	0	[1]
Initial Cost, Buildings and Improvements	5,203,000	[1]
Costs Capitalized Subsequent to Consolidation	417,000	[2]
Land	0
Buildings and Improvements	5,620,000
Total	5,620,000	[3]
Accumulated Depreciation (AD)	(2,940,000)
Total Cost Net of Accumulated Depreciation	2,680,000
Encumbrances	2,653,000
Fountain Place [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid Rise
Date Consolidated	Jan-06	[4]
Property Location	Connersville, IN
Year Built	Jan. 01, 1980
Number of apartment homes	102
Initial Cost, Land	378,000	[1]
Initial Cost, Buildings and Improvements	2,091,000	[1]
Costs Capitalized Subsequent to Consolidation	3,104,000	[2]
Land	378,000
Buildings and Improvements	5,195,000
Total	5,573,000	[3]
Accumulated Depreciation (AD)	(1,730,000)
Total Cost Net of Accumulated Depreciation	3,843,000
Encumbrances	964,000
Hopkins Village [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid Rise
Date Consolidated	Sep-03	[4]
Property Location	Baltimore, MD
Year Built	Jan. 01, 1979
Number of apartment homes	165
Initial Cost, Land	549,000	[1]
Initial Cost, Buildings and Improvements	5,973,000	[1]
Costs Capitalized Subsequent to Consolidation	3,692,000	[2]
Land	549,000
Buildings and Improvements	9,665,000
Total	10,214,000	[3]
Accumulated Depreciation (AD)	(3,924,000)
Total Cost Net of Accumulated Depreciation	6,290,000
Encumbrances	9,100,000
Ingram Square [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jan-06	[4]
Property Location	San Antonio, TX
Year Built	Jan. 01, 1980
Number of apartment homes	120
Initial Cost, Land	800,000	[1]
Initial Cost, Buildings and Improvements	3,136,000	[1]
Costs Capitalized Subsequent to Consolidation	5,866,000	[2]
Land	800,000
Buildings and Improvements	9,002,000
Total	9,802,000	[3]
Accumulated Depreciation (AD)	(5,112,000)
Total Cost Net of Accumulated Depreciation	4,690,000
Encumbrances	3,376,000
Kirkwood House [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Sep-04	[4]
Property Location	Baltimore, MD
Year Built	Jan. 01, 1979
Number of apartment homes	261
Initial Cost, Land	1,337,000	[1]
Initial Cost, Buildings and Improvements	9,358,000	[1]
Costs Capitalized Subsequent to Consolidation	8,817,000	[2]
Land	1,337,000
Buildings and Improvements	18,175,000
Total	19,512,000	[3]
Accumulated Depreciation (AD)	(7,641,000)
Total Cost Net of Accumulated Depreciation	11,871,000
Encumbrances	16,000,000
La Salle [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Oct-00	[4]
Property Location	San Francisco, CA
Year Built	Jan. 01, 1976
Number of apartment homes	145
Initial Cost, Land	1,866,000	[1]
Initial Cost, Buildings and Improvements	19,567,000	[1]
Costs Capitalized Subsequent to Consolidation	17,829,000	[2]
Land	1,866,000
Buildings and Improvements	37,396,000
Total	39,262,000	[3]
Accumulated Depreciation (AD)	(24,179,000)
Total Cost Net of Accumulated Depreciation	15,083,000
Encumbrances	17,882,000
La Vista [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jan-06	[4]
Property Location	Concord, CA
Year Built	Jan. 01, 1981
Number of apartment homes	75
Initial Cost, Land	581,000	[1]
Initial Cost, Buildings and Improvements	4,449,000	[1]
Costs Capitalized Subsequent to Consolidation	4,420,000	[2]
Land	581,000
Buildings and Improvements	8,869,000
Total	9,450,000	[3]
Accumulated Depreciation (AD)	(3,290,000)
Total Cost Net of Accumulated Depreciation	6,160,000
Encumbrances	5,055,000
Loring Towers [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Oct-02	[4]
Property Location	Minneapolis, MN
Year Built	Jan. 01, 1975
Number of apartment homes	230
Initial Cost, Land	886,000	[1]
Initial Cost, Buildings and Improvements	7,445,000	[1]
Costs Capitalized Subsequent to Consolidation	8,061,000	[2]
Land	886,000
Buildings and Improvements	15,506,000
Total	16,392,000	[3]
Accumulated Depreciation (AD)	(6,923,000)
Total Cost Net of Accumulated Depreciation	9,469,000
Encumbrances	9,739,000
Loring Towers Apartments [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Sep-03	[4]
Property Location	Salem, MA
Year Built	Jan. 01, 1973
Number of apartment homes	250
Initial Cost, Land	187,000	[1]
Initial Cost, Buildings and Improvements	14,050,000	[1]
Costs Capitalized Subsequent to Consolidation	7,717,000	[2]
Land	187,000
Buildings and Improvements	21,767,000
Total	21,954,000	[3]
Accumulated Depreciation (AD)	(8,976,000)
Total Cost Net of Accumulated Depreciation	12,978,000
Encumbrances	10,519,000
New Baltimore [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid Rise
Date Consolidated	Mar-02	[4]
Property Location	New Baltimore, MI
Year Built	Jan. 01, 1980
Number of apartment homes	101
Initial Cost, Land	896,000	[1]
Initial Cost, Buildings and Improvements	2,360,000	[1]
Costs Capitalized Subsequent to Consolidation	5,270,000	[2]
Land	896,000
Buildings and Improvements	7,630,000
Total	8,526,000	[3]
Accumulated Depreciation (AD)	(3,773,000)
Total Cost Net of Accumulated Depreciation	4,753,000
Encumbrances	2,026,000
Northpoint [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jan-00	[4]
Property Location	Chicago, IL
Year Built	Jan. 01, 1921
Number of apartment homes	304
Initial Cost, Land	2,510,000	[1]
Initial Cost, Buildings and Improvements	14,334,000	[1]
Costs Capitalized Subsequent to Consolidation	15,382,000	[2]
Land	2,510,000
Buildings and Improvements	29,716,000
Total	32,226,000	[3]
Accumulated Depreciation (AD)	(20,880,000)
Total Cost Net of Accumulated Depreciation	11,346,000
Encumbrances	17,767,000
Panorama Park [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Mar-02	[4]
Property Location	Bakersfield, CA
Year Built	Jan. 01, 1982
Number of apartment homes	66
Initial Cost, Land	521,000	[1]
Initial Cost, Buildings and Improvements	5,520,000	[1]
Costs Capitalized Subsequent to Consolidation	1,165,000	[2]
Land	521,000
Buildings and Improvements	6,685,000
Total	7,206,000	[3]
Accumulated Depreciation (AD)	(3,194,000)
Total Cost Net of Accumulated Depreciation	4,012,000
Encumbrances	1,896,000
Parc Chateau I [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jan-06	[4]
Property Location	Lithonia, GA
Year Built	Jan. 01, 1973
Number of apartment homes	86
Initial Cost, Land	592,000	[1]
Initial Cost, Buildings and Improvements	1,435,000	[1]
Costs Capitalized Subsequent to Consolidation	0	[2]
Land	592,000
Buildings and Improvements	1,435,000
Total	2,027,000	[3]
Accumulated Depreciation (AD)	(1,383,000)
Total Cost Net of Accumulated Depreciation	644,000
Encumbrances	0
Parc Chateau II [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jan-06	[4]
Property Location	Lithonia, GA
Year Built	Jan. 01, 1974
Number of apartment homes	88
Initial Cost, Land	596,000	[1]
Initial Cost, Buildings and Improvements	2,965,000	[1]
Costs Capitalized Subsequent to Consolidation	28,000	[2]
Land	596,000
Buildings and Improvements	2,993,000
Total	3,589,000	[3]
Accumulated Depreciation (AD)	(2,356,000)
Total Cost Net of Accumulated Depreciation	1,233,000
Encumbrances	0
Park Place [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid Rise
Date Consolidated	Jun-05	[4]
Property Location	St Louis, MO
Year Built	Jan. 01, 1977
Number of apartment homes	242
Initial Cost, Land	705,000	[1]
Initial Cost, Buildings and Improvements	6,327,000	[1]
Costs Capitalized Subsequent to Consolidation	8,176,000	[2]
Land	705,000
Buildings and Improvements	14,503,000
Total	15,208,000	[3]
Accumulated Depreciation (AD)	(10,318,000)
Total Cost Net of Accumulated Depreciation	4,890,000
Encumbrances	8,729,000
Parkways, The [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Jun-04	[4]
Property Location	Chicago, IL
Year Built	Jan. 01, 1925
Number of apartment homes	446
Initial Cost, Land	3,426,000	[1]
Initial Cost, Buildings and Improvements	23,257,000	[1]
Costs Capitalized Subsequent to Consolidation	20,546,000	[2]
Land	3,426,000
Buildings and Improvements	43,803,000
Total	47,229,000	[3]
Accumulated Depreciation (AD)	(23,575,000)
Total Cost Net of Accumulated Depreciation	23,654,000
Encumbrances	17,901,000
Pavilion [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Mar-04	[4]
Property Location	Philadelphia, PA
Year Built	Jan. 01, 1976
Number of apartment homes	296
Initial Cost, Land	0	[1]
Initial Cost, Buildings and Improvements	15,415,000	[1]
Costs Capitalized Subsequent to Consolidation	2,064,000	[2]
Land	0
Buildings and Improvements	17,479,000
Total	17,479,000	[3]
Accumulated Depreciation (AD)	(8,270,000)
Total Cost Net of Accumulated Depreciation	9,209,000
Encumbrances	7,040,000
Pleasant Hills [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Apr-05	[4]
Property Location	Austin, TX
Year Built	Jan. 01, 1982
Number of apartment homes	100
Initial Cost, Land	1,229,000	[1]
Initial Cost, Buildings and Improvements	2,631,000	[1]
Costs Capitalized Subsequent to Consolidation	3,770,000	[2]
Land	1,229,000
Buildings and Improvements	6,401,000
Total	7,630,000	[3]
Accumulated Depreciation (AD)	(3,498,000)
Total Cost Net of Accumulated Depreciation	4,132,000
Encumbrances	3,001,000
Plummer Village [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid Rise
Date Consolidated	Mar-02	[4]
Property Location	North Hills, CA
Year Built	Jan. 01, 1983
Number of apartment homes	75
Initial Cost, Land	666,000	[1]
Initial Cost, Buildings and Improvements	2,647,000	[1]
Costs Capitalized Subsequent to Consolidation	1,738,000	[2]
Land	666,000
Buildings and Improvements	4,385,000
Total	5,051,000	[3]
Accumulated Depreciation (AD)	(2,900,000)
Total Cost Net of Accumulated Depreciation	2,151,000
Encumbrances	2,386,000
Riverwoods [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Jan-06	[4]
Property Location	Kankakee, IL
Year Built	Jan. 01, 1983
Number of apartment homes	125
Initial Cost, Land	598,000	[1]
Initial Cost, Buildings and Improvements	4,931,000	[1]
Costs Capitalized Subsequent to Consolidation	3,611,000	[2]
Land	598,000
Buildings and Improvements	8,542,000
Total	9,140,000	[3]
Accumulated Depreciation (AD)	(3,247,000)
Total Cost Net of Accumulated Depreciation	5,893,000
Encumbrances	3,530,000
Round Barn Manor [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Mar-02	[4]
Property Location	Champaign, IL
Year Built	Jan. 01, 1979
Number of apartment homes	156
Initial Cost, Land	810,000	[1]
Initial Cost, Buildings and Improvements	5,134,000	[1]
Costs Capitalized Subsequent to Consolidation	6,003,000	[2]
Land	810,000
Buildings and Improvements	11,137,000
Total	11,947,000	[3]
Accumulated Depreciation (AD)	(3,498,000)
Total Cost Net of Accumulated Depreciation	8,449,000
Encumbrances	4,408,000
San Jose Apartments [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Sep-05	[4]
Property Location	San Antonio, TX
Year Built	Jan. 01, 1970
Number of apartment homes	220
Initial Cost, Land	234,000	[1]
Initial Cost, Buildings and Improvements	5,770,000	[1]
Costs Capitalized Subsequent to Consolidation	12,132,000	[2]
Land	234,000
Buildings and Improvements	17,902,000
Total	18,136,000	[3]
Accumulated Depreciation (AD)	(8,890,000)
Total Cost Net of Accumulated Depreciation	9,246,000
Encumbrances	4,451,000
San Juan Del Centro [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid Rise
Date Consolidated	Sep-05	[4]
Property Location	Boulder, CO
Year Built	Jan. 01, 1971
Number of apartment homes	150
Initial Cost, Land	439,000	[1]
Initial Cost, Buildings and Improvements	7,110,000	[1]
Costs Capitalized Subsequent to Consolidation	12,989,000	[2]
Land	439,000
Buildings and Improvements	20,099,000
Total	20,538,000	[3]
Accumulated Depreciation (AD)	(9,758,000)
Total Cost Net of Accumulated Depreciation	10,780,000
Encumbrances	11,856,000
Shoreview [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Oct-99	[4]
Property Location	San Francisco, CA
Year Built	Jan. 01, 1976
Number of apartment homes	156
Initial Cost, Land	1,476,000	[1]
Initial Cost, Buildings and Improvements	19,071,000	[1]
Costs Capitalized Subsequent to Consolidation	19,533,000	[2]
Land	1,476,000
Buildings and Improvements	38,604,000
Total	40,080,000	[3]
Accumulated Depreciation (AD)	(25,531,000)
Total Cost Net of Accumulated Depreciation	14,549,000
Encumbrances	19,190,000
South Bay Villa [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Mar-02	[4]
Property Location	Los Angeles, CA
Year Built	Jan. 01, 1981
Number of apartment homes	80
Initial Cost, Land	1,352,000	[1]
Initial Cost, Buildings and Improvements	2,770,000	[1]
Costs Capitalized Subsequent to Consolidation	3,937,000	[2]
Land	1,352,000
Buildings and Improvements	6,707,000
Total	8,059,000	[3]
Accumulated Depreciation (AD)	(5,608,000)
Total Cost Net of Accumulated Depreciation	2,451,000
Encumbrances	2,811,000
Stonegate Apts [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid Rise
Date Consolidated	Jul-09	[4]
Property Location	Indianapolis, IN
Year Built	Jan. 01, 1920
Number of apartment homes	52
Initial Cost, Land	122,000	[1]
Initial Cost, Buildings and Improvements	1,920,000	[1]
Costs Capitalized Subsequent to Consolidation	747,000	[2]
Land	122,000
Buildings and Improvements	2,667,000
Total	2,789,000	[3]
Accumulated Depreciation (AD)	(1,434,000)
Total Cost Net of Accumulated Depreciation	1,355,000
Encumbrances	1,825,000
Summit Oaks [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Town Home
Date Consolidated	Jan-06	[4]
Property Location	Burke, VA
Year Built	Jan. 01, 1980
Number of apartment homes	50
Initial Cost, Land	0	[1]
Initial Cost, Buildings and Improvements	5,311,000	[1]
Costs Capitalized Subsequent to Consolidation	421,000	[2]
Land	0
Buildings and Improvements	5,732,000
Total	5,732,000	[3]
Accumulated Depreciation (AD)	(2,836,000)
Total Cost Net of Accumulated Depreciation	2,896,000
Encumbrances	2,642,000
Tamarac Pines Apartments I [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Nov-04	[4]
Property Location	Woodlands, TX
Year Built	Jan. 01, 1980
Number of apartment homes	144
Initial Cost, Land	363,000	[1]
Initial Cost, Buildings and Improvements	2,775,000	[1]
Costs Capitalized Subsequent to Consolidation	3,958,000	[2]
Land	363,000
Buildings and Improvements	6,733,000
Total	7,096,000	[3]
Accumulated Depreciation (AD)	(3,725,000)
Total Cost Net of Accumulated Depreciation	3,371,000
Encumbrances	3,788,000
Tamarac Pines Apartments II [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Nov-04	[4]
Property Location	Woodlands, TX
Year Built	Jan. 01, 1980
Number of apartment homes	156
Initial Cost, Land	266,000	[1]
Initial Cost, Buildings and Improvements	3,195,000	[1]
Costs Capitalized Subsequent to Consolidation	3,953,000	[2]
Land	266,000
Buildings and Improvements	7,148,000
Total	7,414,000	[3]
Accumulated Depreciation (AD)	(3,528,000)
Total Cost Net of Accumulated Depreciation	3,886,000
Encumbrances	4,103,000
Terry Manor [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid Rise
Date Consolidated	Oct-05	[4]
Property Location	Los Angeles, CA
Year Built	Jan. 01, 1977
Number of apartment homes	170
Initial Cost, Land	1,997,000	[1]
Initial Cost, Buildings and Improvements	5,848,000	[1]
Costs Capitalized Subsequent to Consolidation	6,804,000	[2]
Land	1,997,000
Buildings and Improvements	12,652,000
Total	14,649,000	[3]
Accumulated Depreciation (AD)	(9,542,000)
Total Cost Net of Accumulated Depreciation	5,107,000
Encumbrances	6,389,000
Tompkins Terrace [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Oct-02	[4]
Property Location	Beacon, NY
Year Built	Jan. 01, 1974
Number of apartment homes	193
Initial Cost, Land	872,000	[1]
Initial Cost, Buildings and Improvements	6,827,000	[1]
Costs Capitalized Subsequent to Consolidation	14,073,000	[2]
Land	872,000
Buildings and Improvements	20,900,000
Total	21,772,000	[3]
Accumulated Depreciation (AD)	(9,065,000)
Total Cost Net of Accumulated Depreciation	12,707,000
Encumbrances	6,748,000
University Square [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Mar-05	[4]
Property Location	Philadelphia, PA
Year Built	Jan. 01, 1978
Number of apartment homes	442
Initial Cost, Land	702,000	[1]
Initial Cost, Buildings and Improvements	12,201,000	[1]
Costs Capitalized Subsequent to Consolidation	9,670,000	[2]
Land	702,000
Buildings and Improvements	21,871,000
Total	22,573,000	[3]
Accumulated Depreciation (AD)	(8,764,000)
Total Cost Net of Accumulated Depreciation	13,809,000
Encumbrances	17,161,000
Van Nuys Apartments [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Mar-02	[4]
Property Location	Los Angeles, CA
Year Built	Jan. 01, 1981
Number of apartment homes	299
Initial Cost, Land	3,576,000	[1]
Initial Cost, Buildings and Improvements	21,226,000	[1]
Costs Capitalized Subsequent to Consolidation	23,339,000	[2]
Land	3,576,000
Buildings and Improvements	44,565,000
Total	48,141,000	[3]
Accumulated Depreciation (AD)	(16,511,000)
Total Cost Net of Accumulated Depreciation	31,630,000
Encumbrances	24,440,000
Wah Luck House [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Jan-06	[4]
Property Location	Washington, DC
Year Built	Jan. 01, 1982
Number of apartment homes	153
Initial Cost, Land	0	[1]
Initial Cost, Buildings and Improvements	7,772,000	[1]
Costs Capitalized Subsequent to Consolidation	637,000	[2]
Land	0
Buildings and Improvements	8,409,000
Total	8,409,000	[3]
Accumulated Depreciation (AD)	(2,700,000)
Total Cost Net of Accumulated Depreciation	5,709,000
Encumbrances	6,159,000
Walnut Hills [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Jan-06	[4]
Property Location	Cincinnati, OH
Year Built	Jan. 01, 1983
Number of apartment homes	198
Initial Cost, Land	826,000	[1]
Initial Cost, Buildings and Improvements	5,608,000	[1]
Costs Capitalized Subsequent to Consolidation	5,565,000	[2]
Land	826,000
Buildings and Improvements	11,173,000
Total	11,999,000	[3]
Accumulated Depreciation (AD)	(5,039,000)
Total Cost Net of Accumulated Depreciation	6,960,000
Encumbrances	5,386,000
Washington Square West [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Mid Rise
Date Consolidated	Sep-04	[4]
Property Location	Philadelphia, PA
Year Built	Jan. 01, 1982
Number of apartment homes	132
Initial Cost, Land	582,000	[1]
Initial Cost, Buildings and Improvements	11,169,000	[1]
Costs Capitalized Subsequent to Consolidation	4,827,000	[2]
Land	582,000
Buildings and Improvements	15,996,000
Total	16,578,000	[3]
Accumulated Depreciation (AD)	(10,610,000)
Total Cost Net of Accumulated Depreciation	5,968,000
Encumbrances	3,554,000
Whitefield Place [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Apr-05	[4]
Property Location	San Antonio, TX
Year Built	Jan. 01, 1980
Number of apartment homes	80
Initial Cost, Land	219,000	[1]
Initial Cost, Buildings and Improvements	3,151,000	[1]
Costs Capitalized Subsequent to Consolidation	2,143,000	[2]
Land	219,000
Buildings and Improvements	5,294,000
Total	5,513,000	[3]
Accumulated Depreciation (AD)	(2,744,000)
Total Cost Net of Accumulated Depreciation	2,769,000
Encumbrances	2,072,000
Winter Gardens [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	High Rise
Date Consolidated	Mar-04	[4]
Property Location	St Louis, MO
Year Built	Jan. 01, 1920
Number of apartment homes	112
Initial Cost, Land	300,000	[1]
Initial Cost, Buildings and Improvements	3,072,000	[1]
Costs Capitalized Subsequent to Consolidation	4,659,000	[2]
Land	300,000
Buildings and Improvements	7,731,000
Total	8,031,000	[3]
Accumulated Depreciation (AD)	(2,352,000)
Total Cost Net of Accumulated Depreciation	5,679,000
Encumbrances	3,429,000
Woodland Hills [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Property Type	Garden
Date Consolidated	Oct-05	[4]
Property Location	Jackson, MI
Year Built	Jan. 01, 1980
Number of apartment homes	125
Initial Cost, Land	320,000	[1]
Initial Cost, Buildings and Improvements	3,875,000	[1]
Costs Capitalized Subsequent to Consolidation	4,695,000	[2]
Land	320,000
Buildings and Improvements	8,570,000
Total	8,890,000	[3]
Accumulated Depreciation (AD)	(5,201,000)
Total Cost Net of Accumulated Depreciation	3,689,000
Encumbrances	3,335,000
Other [Member] | Continuing Operations [Member]
Real Estate and Accumulated Depreciation [Line Items]
Number of apartment homes	0	[6]
Initial Cost, Land	73,772,000	[1],[6]
Initial Cost, Buildings and Improvements	71,067,000	[1],[6]
Costs Capitalized Subsequent to Consolidation	0	[2],[6]
Land	73,780,000	[6]
Buildings and Improvements	71,059,000	[6]
Total	144,839,000	[3],[6]
Accumulated Depreciation (AD)	0	[6]
Total Cost Net of Accumulated Depreciation	144,839,000	[6]
Encumbrances	$ 26,975,000	[6]

[1] For 2008 and prior periods, costs to acquire the noncontrolling interest’s share of our consolidated real estate partnerships were capitalized as part of the initial cost.

[2] Costs capitalized subsequent to consolidation includes costs capitalized since acquisition or first consolidation of the partnership/apartment community.

[3] The aggregate cost of land and depreciable property for Federal income tax purposes was approximately $3.8 billion at December 31, 2014.

[4] Date we acquired the apartment community or first consolidated the partnership which owns the apartment community.

[5] The current carrying value of the apartment community reflects an impairment loss recognized during the current period or prior periods.

[6] Other includes land parcels, commercial properties and other related costs. We exclude such properties from our residential apartment home counts