REAL ESTATE AND ACCUMULATED DEPRECIATION (Detail) (USD $) In Thousands, unless otherwise specified						12 Months Ended																																																																	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2008	Dec. 31, 2011 Current Communities	Dec. 31, 2011 Current Communities Avalon Fremont	Dec. 31, 2011 Current Communities Avalon Dublin	Dec. 31, 2011 Current Communities Avalon Campbell	Dec. 31, 2011 Current Communities Avalon at Cedar Ridge	Dec. 31, 2011 Current Communities AVA Nob Hill	Dec. 31, 2011 Current Communities Eaves San Jose	Dec. 31, 2011 Current Communities Eaves San Rafael	Dec. 31, 2011 Current Communities Avalon Pleasanton	Dec. 31, 2011 Current Communities Avalon Newport	Dec. 31, 2011 Current Communities Avalon at Media Center	Dec. 31, 2011 Current Communities Avalon Mission Viejo	Dec. 31, 2011 Current Communities Eaves South Coast	Dec. 31, 2011 Current Communities Avalon at Mission Bay	Dec. 31, 2011 Current Communities Avalon at Mission Ridge	Dec. 31, 2011 Current Communities Avalon at Union Square	Dec. 31, 2011 Current Communities Avalon on the Alameda	Dec. 31, 2011 Current Communities Avalon Foster City	Dec. 31, 2011 Current Communities Avalon Rosewalk	Dec. 31, 2011 Current Communities Avalon Pacifica	Dec. 31, 2011 Current Communities Avalon Sunset Towers	Dec. 31, 2011 Current Communities Avalon Silicon Valley	Dec. 31, 2011 Current Communities Avalon Woodland Hills	Dec. 31, 2011 Current Communities Avalon Mountain View	Dec. 31, 2011 Current Communities Avalon Santa Margarita	Dec. 31, 2011 Current Communities Avalon at Diamond Heights	Dec. 31, 2011 Current Communities Waterford	Dec. 31, 2011 Current Communities Avalon Warm Springs	Dec. 31, 2011 Current Communities Avalon at Creekside	Dec. 31, 2011 Current Communities Avalon at Warner Center	Dec. 31, 2011 Current Communities Avalon at Pacific Bay	Dec. 31, 2011 Current Communities Avalon at Cortez Hill	Dec. 31, 2011 Current Communities Avalon at Cahill Park	Dec. 31, 2011 Current Communities Avalon Towers on the Peninsula	Dec. 31, 2011 Current Communities Avalon at Mission Bay North	Dec. 31, 2011 Current Communities Avalon Glendale	Dec. 31, 2011 Current Communities Avalon Burbank	Dec. 31, 2011 Current Communities Avalon Camarillo	Dec. 31, 2011 Current Communities Avalon Wilshire	Dec. 31, 2011 Current Communities Avalon at Dublin Station I	Dec. 31, 2011 Current Communities Avalon Encino	Dec. 31, 2011 Current Communities Avalon Warner Place	Dec. 31, 2011 Current Communities Eaves San Jose II	Dec. 31, 2011 Current Communities Avalon Fashion Valley	Dec. 31, 2011 Current Communities Avalon Anaheim Stadium	Dec. 31, 2011 Current Communities Avalon Union City	Dec. 31, 2011 Current Communities Avalon Irvine	Dec. 31, 2011 Current Communities Avalon Mission Bay North III	Dec. 31, 2011 Current Communities Avalon Walnut Creek	Dec. 31, 2011 Current Communities The Crest at Phillips Ranch	Dec. 31, 2011 Current Communities Villas at Bonita	Dec. 31, 2011 Current Communities Villas at San Dimas Canyon	Dec. 31, 2011 Current Communities Rancho Vallecitos	Dec. 31, 2011 Current Communities Milazzo	Dec. 31, 2011 Current Communities Arboretum at Lake Forest	Dec. 31, 2011 Current Communities The Springs		Dec. 31, 2011 Current Communities Avalon Gates	Dec. 31, 2011 Current Communities Avalon Glen	Dec. 31, 2011 Current Communities Avalon Springs	Dec. 31, 2011 Current Communities Avalon Valley	Dec. 31, 2011 Current Communities Avalon on Stamford Harbor	Dec. 31, 2011 Current Communities Avalon New Canaan	Dec. 31, 2011 Current Communities Avalon at Greyrock Place	Dec. 31, 2011 Current Communities Avalon Danbury	Dec. 31, 2011 Current Communities Avalon Darien	Dec. 31, 2011 Current Communities Avalon Milford I	Dec. 31, 2011 Current Communities Avalon Norwalk	Dec. 31, 2011 Current Communities Avalon Huntington	Dec. 31, 2011 Current Communities Avalon Wilton 2	Dec. 31, 2011 Current Communities Avalon at Foxhall	Dec. 31, 2011 Current Communities Avalon at Gallery Place I	Dec. 31, 2011 Current Communities Avalon Arlington Heights	Dec. 31, 2011 Current Communities Avalon at Lexington	Dec. 31, 2011 Current Communities Avalon Oaks	Dec. 31, 2011 Current Communities Avalon Summit	Dec. 31, 2011 Current Communities Avalon Essex	Dec. 31, 2011 Current Communities Avalon at Prudential Center	Dec. 31, 2011 Current Communities Avalon Oaks West	Dec. 31, 2011 Current Communities Avalon Orchards	Dec. 31, 2011 Current Communities Avalon at Newton Highlands	Dec. 31, 2011 Current Communities Avalon at The Pinehills I	Dec. 31, 2011 Current Communities Essex Place	Dec. 31, 2011 Current Communities Avalon at Bedford Center	Dec. 31, 2011 Current Communities Avalon Chestnut Hill	Dec. 31, 2011 Current Communities Avalon Shrewsbury	Dec. 31, 2011 Current Communities Avalon Danvers	Dec. 31, 2011 Current Communities Avalon at Lexington Hills	Dec. 31, 2011 Current Communities Avalon Acton	Dec. 31, 2011 Current Communities Avalon at Hingham Shipyard	Dec. 31, 2011 Current Communities Avalon Sharon	Dec. 31, 2011 Current Communities Avalon Northborough I	Dec. 31, 2011 Current Communities Avalon Blue Hills	Dec. 31, 2011 Current Communities Avalon Northborough II	Dec. 31, 2011 Current Communities Avalon at the Pinehills II	Dec. 31, 2011 Current Communities Avalon at Fairway Hills	Dec. 31, 2011 Current Communities Decoverly	Dec. 31, 2011 Current Communities Avalon Fields I	Dec. 31, 2011 Current Communities Avalon Fields II	Dec. 31, 2011 Current Communities Avalon Symphony Woods (SGlen)	Dec. 31, 2011 Current Communities Avalon at Grosvenor Station	Dec. 31, 2011 Current Communities Avalon at Traville	Dec. 31, 2011 Current Communities Avalon Symphony Woods (Sgate)	Dec. 31, 2011 Current Communities Avalon Cove	Dec. 31, 2011 Current Communities Avalon Run & Run East	Dec. 31, 2011 Current Communities Avalon Princeton Junction	Dec. 31, 2011 Current Communities Avalon at Edgewater	Dec. 31, 2011 Current Communities Avalon at Florham Park	Dec. 31, 2011 Current Communities Avalon at Freehold	Dec. 31, 2011 Current Communities Avalon Run East II	Dec. 31, 2011 Current Communities Avalon Lyndhurst	Dec. 31, 2011 Current Communities Avalon at Tinton Falls	Dec. 31, 2011 Current Communities Avalon West Long Branch, NJ	Dec. 31, 2011 Current Communities Avalon Commons	Dec. 31, 2011 Current Communities Avalon Gardens	Dec. 31, 2011 Current Communities Avalon Green	Dec. 31, 2011 Current Communities Avalon Towers	Dec. 31, 2011 Current Communities Avalon Willow	Dec. 31, 2011 Current Communities Avalon Court	Dec. 31, 2011 Current Communities The Avalon	Dec. 31, 2011 Current Communities Avalon Riverview I	Dec. 31, 2011 Current Communities Avalon at Glen Cove South	Dec. 31, 2011 Current Communities Avalon Pines I II	Dec. 31, 2011 Current Communities Avalon Bowery Place I	Dec. 31, 2011 Current Communities Avalon at Glen Cove North	Dec. 31, 2011 Current Communities Avalon Riverview North	Dec. 31, 2011 Current Communities Avalon on the Sound East	Dec. 31, 2011 Current Communities Avalon Bowery Place II	Dec. 31, 2011 Current Communities Avalon White Plains	Dec. 31, 2011 Current Communities Avalon Morningside Park	Dec. 31, 2011 Current Communities Avalon Charles Pond	Dec. 31, 2011 Current Communities Avalon Fort Greene	Dec. 31, 2011 Current Communities Avalon at Center Place	Dec. 31, 2011 Current Communities Avalon Fair Lakes	Dec. 31, 2011 Current Communities AVA Ballston	Dec. 31, 2011 Current Communities Avalon at Providence Park	Dec. 31, 2011 Current Communities Avalon Crescent	Dec. 31, 2011 Current Communities Arlington Square	Dec. 31, 2011 Current Communities Fairfax Towers	Dec. 31, 2011 Current Communities Avalon Redmond Place	Dec. 31, 2011 Current Communities Avalon at Bear Creek	Dec. 31, 2011 Current Communities Avalon Bellevue	Dec. 31, 2011 Current Communities Avalon RockMeadow	Dec. 31, 2011 Current Communities Avalon WildReed	Dec. 31, 2011 Current Communities Avalon HighGrove	Dec. 31, 2011 Current Communities Avalon ParcSquare	Dec. 31, 2011 Current Communities Avalon Brandemoor	Dec. 31, 2011 Current Communities AVA Belltown	Dec. 31, 2011 Current Communities Avalon Meydenbauer	Dec. 31, 2011 Current Communities Avalon Towers Bellevue	Dec. 31, 2011 Current Communities Avalon Brandemoor II	Dec. 31, 2011 Development Communities	Dec. 31, 2011 Development Communities Avalon Ocean Avenue	Dec. 31, 2011 Development Communities Avalon Shelton III	Dec. 31, 2011 Development Communities AVA H Street	Dec. 31, 2011 Development Communities Avalon Cohasset	Dec. 31, 2011 Development Communities Avalon Andover	Dec. 31, 2011 Development Communities Avalon Exeter	Dec. 31, 2011 Development Communities Avalon Natick	Dec. 31, 2011 Development Communities Avalon North Bergen	Dec. 31, 2011 Development Communities Avalon at Wesmont Station I	Dec. 31, 2011 Development Communities Avalon Hackensack	Dec. 31, 2011 Development Communities Avalon Somerset	Dec. 31, 2011 Development Communities Avalon West Chelsea / AVA High Line	Dec. 31, 2011 Development Communities Avalon Rockville Centre	Dec. 31, 2011 Development Communities Avalon Green II	Dec. 31, 2011 Development Communities Avalon Garden City	Dec. 31, 2011 Development Communities Avalon Park Crest	Dec. 31, 2011 Development Communities AVA Queen Anne	Dec. 31, 2011 Development Communities AVA Ballard	Dec. 31, 2011 Land held for development	Dec. 31, 2011 Corporate Overhead
Real Estate and Accumulated Depreciation [Line Items]
City and state						Fremont, CA	Dublin, CA	Campbell, CA	Daly City, CA	San Francisco, CA	San Jose, CA	San Rafael, CA	Pleasanton, CA	Costa Mesa, CA	Burbank, CA	Mission Viejo, CA	Costa Mesa, CA	San Diego, CA	San Diego, CA	Union City, CA	San Jose, CA	Foster City, CA	San Jose, CA	Pacifica, CA	San Francisco, CA	Sunnyvale, CA	Woodland Hills, CA	Mountain View, CA	Rancho Santa Margarita, CA	San Francisco, CA	Hayward, CA	Fremont, CA	Mountain View, CA	Woodland Hills, CA	Huntington Beach, CA	San Diego, CA	San Jose, CA	Mountain View, CA	San Francisco, CA	Burbank, CA	Burbank, CA	Camarillo, CA	Los Angeles, CA	Dublin, CA	Los Angeles, CA	Canoga Park, CA	San Jose, CA	San Diego, CA	Anaheim, CA	Union City, CA	Irvine, CA	San Francisco, CA	Walnut Creek, CA	Pomona, CA	San Dimas, CA	San Dimas, CA	San Marcos, CA	San Diego, CA	Lake Forest, CA	Corona, CA	[1]	Trumbull, CT	Stamford, CT	Wilton, CT	Danbury, CT	Stamford, CT	New Canaan, CT	Stamford, CT	Danbury, CT	Darien, CT	Milford, CT	Norwalk, CT	Shelton, CT	Wilton, CT	Washington, DC	Washington, DC	Arlington Heights, IL	Lexington, MA	Wilmington, MA	Quincy, MA	Peabody, MA	Boston, MA	Wilmington, MA	Marlborough, MA	Newton, MA	Plymouth, MA	Peabody, MA	Bedford, MA	Chestnut Hill, MA	Shrewsbury, MA	Danvers, MA	Lexington, MA	Acton, MA	Hingham, MA	Sharon, MA	Northborough, MA	Randolph, MA	Northborough, MA	Plymouth, MA	Columbia, MD	Rockville, MD	Gaithersburg, MD	Gaithersburg, MD	Columbia, MD	North Bethesda, MD	North Potomac, MD	Columbia, MD	Jersey City, NJ	Lawrenceville, NJ	West Windsor, NJ	Edgewater, NJ	Florham Park, NJ	Freehold, NJ	Lawrenceville, NJ	Lyndhurst, NJ	Tinton Falls, NJ	West Long Branch, NJ	Smithtown, NY	Nanuet, NY	Elmsford, NY	Long Beach, NY	Mamaroneck, NY	Melville, NY	Bronxville, NY	Long Island City, NY	Glen Cove, NY	Coram, NY	New York, NY	Glen Cove, NY	Long Island City, NY	New Rochelle, NY	New York, NY	White Plains, NY	New York, NY	Coram, NY	Brooklyn, NY	Providence, RI	Fairfax, VA	Arlington, VA	Fairfax, VA	McLean, VA	Arlington, VA	Falls Church, VA	Redmond, WA	Redmond, WA	Bellevue, WA	Bothell, WA	Everett, WA	Everett, WA	Redmond, WA	Lynwood, WA	Seattle, WA	Bellevue, WA	Bellevue, WA	Lynwood, WA		San Francisco, CA	Shelton, CT	Washington, DC	Cohasset, MA	Andover, MA	Boston, MA	Natick, MA	North Bergen, NJ	Wood-Ridge, NJ	Hackensack, NJ	Somerset, NJ	New York, NY	Rockville Centre, NY	Greenburgh, NY	Garden City, NY	Tysons Corner, VA	Seattle, WA	Seattle, WA
Initial cost, Land	$ 1,683,218				$ 1,256,310	$ 10,746	$ 5,276	$ 11,830	$ 4,230	$ 5,403	$ 9,384	$ 5,982	$ 11,610	$ 1,975	$ 22,483	$ 2,517	$ 4,709	$ 9,922	$ 2,710	$ 4,249	$ 6,119	$ 7,852	$ 15,814	$ 6,125	$ 3,561	$ 20,713	$ 23,828	$ 9,755	$ 4,607	$ 4,726	$ 11,324	$ 6,581	$ 6,546	$ 7,045	$ 4,871	$ 2,768	$ 4,765	$ 9,560	$ 14,029		$ 14,053	$ 8,446	$ 5,459	$ 10,058	$ 12,789	$ 7,920	$ 3,536	$ 19,627	$ 27,874	$ 14,732	$ 9,911	$ 28,687		$ 9,796	$ 1,916	$ 2,953	$ 3,277	$ 6,692	$ 5,199	$ 5,724	[1]	$ 4,414	$ 5,956	$ 2,116	$ 2,277	$ 10,836	$ 4,834	$ 13,819	$ 4,933	$ 6,926	$ 8,746	$ 11,281	$ 5,277	$ 6,557	$ 6,848	$ 8,800	$ 9,750	$ 2,124	$ 2,129	$ 1,743	$ 5,184	$ 25,811	$ 3,318	$ 2,983	$ 11,039	$ 3,623	$ 4,645	$ 4,258	$ 14,572	$ 5,152	$ 7,010	$ 8,691	$ 13,124	$ 12,218	$ 4,719	$ 3,362	$ 11,074	$ 4,782	$ 3,253	$ 8,603	$ 11,865	$ 2,608	$ 1,439	$ 1,594	$ 29,159	$ 14,365	$ 7,207	$ 8,760	$ 14,650	$ 5,585	$ 14,528	$ 6,647	$ 4,119	$ 6,766	$ 18,620	$ 7,939	$ 2,717	$ 4,679	$ 8,428	$ 1,820	$ 3,118	$ 6,207	$ 9,228	$ 2,889		$ 7,871	$ 8,700	$ 18,575	$ 2,577		$ 5,735	$ 9,106	$ 15,391		$ 14,715	$ 82,375		$ 6,096	$ 7,291	$ 2,152	$ 13,851	$ 22,041	$ 17,889	$ 4,558	$ 6,786	$ 6,664	$ 4,777	$ 4,253	$ 7,569	$ 3,789	$ 8,608	$ 5,644	$ 12,654		$ 2,655	$ 27,864				$ 3,415									$ 17,985	$ 4,979			$ 1,485		$ 325,918	$ 73,126
Initial Cost, Building / Construction in Progress & Improvements	6,403,131				6,299,960	43,399	19,642	47,828	9,659	21,567	38,791	16,885	46,552	3,814	28,104	9,257	16,063	40,580	10,924	16,820	50,225	31,445	62,007	24,796	21,321	99,573	40,372	39,393	16,911	19,130	45,717	26,583	26,263	12,986	19,745	20,134	47,600	56,136	78,452	41,434	56,827	40,291	41,182	74,297	49,073	44,855	14,256	44,981	69,222	104,019	67,527	119,216	145,919	39,934	7,819	12,049	13,385	27,143	21,135	23,433	[1]	31,268	23,993	14,664	23,561	51,989	19,485	56,499	30,638	34,658	22,699	71,348	20,029	23,474	27,614	39,731	39,651	12,599	18,676	14,662	16,320	104,399	13,467	18,037	45,527	16,292	19,007	20,569	45,911	30,608	76,904	79,156	49,908	41,597	25,522	22,322	34,736	29,960	14,078	34,432	49,686	11,707	6,846	6,384	53,001	55,398	29,151	82,574	60,486	22,394	60,240	34,906	30,514	45,361	59,879	33,166	22,911	28,286	45,660	10,525	12,709	40,791	50,098	28,324	94,166	59,969	62,931	74,351	37,336	167,325	180,911	47,478	137,367	114,372	33,640	215,783	26,816	24,400	29,177	8,907	43,397	90,296	72,159	18,368	27,641	24,119	19,765	18,676	32,041	15,139	36,679	12,733	76,190	122,953	11,217	84,317	279	78		17,637	81			72	346	28	348		43,888	14,873	361	54	6,272			18,854
Costs Subsequent to Acquisition / Construction	1,202,147				596,202	4,287	4,285	1,583	18,629	6,765	4,867	22,168	21,176	4,749	28,810	2,428	12,698	17,563	9,107	2,569	1,426	5,928	2,935	1,862	12,103	4,285	46,458	9,803	4,386	5,754	6,931	9,886	10,997	8,622	8,808	12,662	489	776	1,865	280	23,711	17	389	76	343	94	237		505				269							798	[1]	2,416	3,051	595	664	391	253	718	306	188	150	24	74		11,189	549	8,138	2,547	927	9,112	1,200	52,175	481	894	1,390	98	11,411	68	254	91	138		40							10,480	8,892	447	91	5,886	743	453	5,493	17,681	2,045	20,483	2,073	1,032	337	507	154			5,627	2,268	1,699	5,947	864	2,315	573	1,624	435	81	2,648	58	287	480	312		161			4,634	7,530	5,055	1,243	1,110	2,109		9,418	2,982	913	1,134	260	526	672	1,546	808	75	100		543,933	42,730	11,015	10,014	25,816	18,939	27,918	17,492	27,586	38,690	7,189	20,523	52,507	37,084	61,533	29,203	44,741	43,974	26,979		62,012
Total Cost, Land	1,683,218				1,256,310	10,746	5,276	11,830	4,230	5,403	9,384	5,982	11,610	1,975	22,483	2,517	4,709	9,922	2,710	4,249	6,119	7,852	15,814	6,125	3,561	20,713	23,828	9,755	4,607	4,726	11,324	6,581	6,546	7,045	4,871	2,768	4,765	9,560	14,029		14,053	8,446	5,459	10,058	12,789	7,920	3,536	19,627	27,874	14,732	9,911	28,687		9,796	1,916	2,953	3,277	6,692	5,199	5,724	[1]	4,414	5,956	2,116	2,277	10,836	4,834	13,819	4,933	6,926	8,746	11,281	5,277	6,557	6,848	8,800	9,750	2,124	2,129	1,743	5,184	25,811	3,318	2,983	11,039	3,623	4,645	4,258	14,572	5,152	7,010	8,691	13,124	12,218	4,719	3,362	11,074	4,782	3,253	8,603	11,865	2,608	1,439	1,594	29,159	14,365	7,207	8,760	14,650	5,585	14,528	6,647	4,119	6,766	18,620	7,939	2,717	4,679	8,428	1,820	3,118	6,207	9,228	2,889		7,871	8,700	18,575	2,577		5,735	9,106	15,391		14,715	82,375		6,096	7,291	2,152	13,851	22,041	17,889	4,558	6,786	6,664	4,777	4,253	7,569	3,789	8,608	5,644	12,654		2,655	27,864				3,415									17,985	4,979			1,485		325,918	73,126
Total Cost, Building / Construction in Progress & Improvements	7,605,278				6,896,162	47,686	23,927	49,411	28,288	28,332	43,658	39,053	67,728	8,563	56,914	11,685	28,761	58,143	20,031	19,389	51,651	37,373	64,942	26,658	33,424	103,858	86,830	49,196	21,297	24,884	52,648	36,469	37,260	21,608	28,553	32,796	48,089	56,912	80,317	41,714	80,538	40,308	41,571	74,373	49,416	44,949	14,493	44,981	69,727	104,019	67,527	119,216	146,188	39,934	7,819	12,049	13,385	27,143	21,135	24,231	[1]	33,684	27,044	15,259	24,225	52,380	19,738	57,217	30,944	34,846	22,849	71,372	20,103	23,474	38,803	40,280	47,789	15,146	19,603	23,774	17,520	156,574	13,948	18,931	46,917	16,390	30,418	20,637	46,165	30,699	77,042	79,156	49,948	41,597	25,522	22,322	34,736	29,960	14,078	44,912	58,578	12,154	6,937	12,270	53,744	55,851	34,644	100,255	62,531	42,877	62,313	35,938	30,851	45,868	60,033	33,166	22,911	33,913	47,928	12,224	18,656	41,655	52,413	28,897	95,790	60,404	63,012	76,999	37,394	167,612	181,391	47,790	137,367	114,533	33,640	215,783	31,450	31,930	34,232	10,150	44,507	92,405	72,159	27,786	30,623	25,032	20,899	18,936	32,567	15,811	38,225	13,541	76,265	123,053	11,217	628,250	43,009	11,093	10,014	43,453	19,020	27,918	17,492	27,658	39,036	7,217	20,871	52,507	80,972	76,406	29,564	44,795	50,246	26,979		80,866
Total	9,288,496				8,152,472	58,432	29,203	61,241	32,518	33,735	53,042	45,035	79,338	10,538	79,397	14,202	33,470	68,065	22,741	23,638	57,770	45,225	80,756	32,783	36,985	124,571	110,658	58,951	25,904	29,610	63,972	43,050	43,806	28,653	33,424	35,564	52,854	66,472	94,346	41,714	94,591	48,754	47,030	84,431	62,205	52,869	18,029	64,608	97,601	118,751	77,438	147,903	146,188	49,730	9,735	15,002	16,662	33,835	26,334	29,955	[1]	38,098	33,000	17,375	26,502	63,216	24,572	71,036	35,877	41,772	31,595	82,653	25,380	30,031	45,651	49,080	57,539	17,270	21,732	25,517	22,704	182,385	17,266	21,914	57,956	20,013	35,063	24,895	60,737	35,851	84,052	87,847	63,072	53,815	30,241	25,684	45,810	34,742	17,331	53,515	70,443	14,762	8,376	13,864	82,903	70,216	41,851	109,015	77,181	48,462	76,841	42,585	34,970	52,634	78,653	41,105	25,628	38,592	56,356	14,044	21,774	47,862	61,641	31,786	95,790	68,275	71,712	95,574	39,971	167,612	187,126	56,896	152,758	114,533	48,355	298,158	31,450	38,026	41,523	12,302	58,358	114,446	90,048	32,344	37,409	31,696	25,676	23,189	40,136	19,600	46,833	19,185	88,919	123,053	13,872	656,114	43,009	11,093	10,014	46,868	19,020	27,918	17,492	27,658	39,036	7,217	20,871	52,507	98,957	81,385	29,564	44,795	51,731	26,979	325,918	153,992
Accumulated Depreciation	1,863,466	1,705,567	1,526,604	1,352,744	1,828,396	22,600	11,291	22,701	11,669	10,991	19,386	14,033	26,055	4,072	24,989	5,934	10,823	25,932	9,785	9,164	22,440	16,818	29,606	12,708	12,635	48,254	27,292	20,748	9,766	10,485	25,619	15,405	16,828	10,572	13,280	14,600	15,835	19,167	24,585	12,189	20,760	8,087	6,713	10,027	5,486	5,660	2,274	5,011	6,816	8,725	5,281	10,016	6,687	1,044	205	316	352	699	548	1,236	[1]	16,974	16,503	7,738	10,562	17,405	6,613	18,670	7,072	9,955	6,098	4,174	2,215	440	20,869	12,421	17,466	8,935	8,714	9,207	7,103	57,761	4,851	6,530	13,825	4,346	6,450	4,469	8,529	5,732	11,560	10,925	6,654	4,538	3,213	1,946	3,081	1,552	289	23,474	20,001	6,598	3,264	5,742	15,410	15,768	5,656	43,355	16,860	16,816	21,837	13,988	10,835	11,582	10,356	4,141	921	14,720	22,941	6,936	9,509	17,466	22,928	12,325	31,352	15,781	14,463	13,924	6,085	24,595	26,555	6,748	12,911	12,387	3,178	12,123	15,524	14,341	19,459	5,126	22,082	33,159	1,785	11,552	13,695	9,432	8,203	7,548	12,523	6,394	13,952	4,795	9,750	5,764	196	715				148									460	91			16			34,355
Total Cost, Net of Accumulated Depreciation	7,425,030				6,324,076	35,832	17,912	38,540	20,849	22,744	33,656	31,002	53,283	6,466	54,408	8,268	22,647	42,133	12,956	14,474	35,330	28,407	51,150	20,075	24,350	76,317	83,366	38,203	16,138	19,125	38,353	27,645	26,978	18,081	20,144	20,964	37,019	47,305	69,761	29,525	73,831	40,667	40,317	74,404	56,719	47,209	15,755	59,597	90,785	110,026	72,157	137,887	139,501	48,686	9,530	14,686	16,310	33,136	25,786	28,719	[1]	21,124	16,497	9,637	15,940	45,811	17,959	52,366	28,805	31,817	25,497	78,479	23,165	29,591	24,782	36,659	40,073	8,335	13,018	16,310	15,601	124,624	12,415	15,384	44,131	15,667	28,613	20,426	52,208	30,119	72,492	76,922	56,418	49,277	27,028	23,738	42,729	33,190	17,042	30,041	50,442	8,164	5,112	8,122	67,493	54,448	36,195	65,660	60,321	31,646	55,004	28,597	24,135	41,052	68,297	36,964	24,707	23,872	33,415	7,108	12,265	30,396	38,713	19,461	64,438	52,494	57,249	81,650	33,886	143,017	160,571	50,148	139,847	102,146	45,177	286,035	15,926	23,685	22,064	7,176	36,276	81,287	88,263	20,792	23,714	22,264	17,473	15,641	27,613	13,206	32,881	14,390	79,169	117,289	13,676	655,399	43,009	11,093	10,014	46,720	19,020	27,918	17,492	27,658	39,036	7,217	20,871	52,507	98,497	81,294	29,564	44,795	51,715	26,979	325,918	119,637
Encumbrances	$ 3,633,125				$ 1,996,456			$ 38,800		$ 20,800						$ 7,635					$ 53,624			$ 17,600		$ 150,000		$ 18,300			$ 33,100								$ 72,785														$ 137,500	$ 54,574								$ 41,048				$ 65,261		$ 60,133		$ 49,907					$ 58,620	$ 45,547			$ 16,468				$ 16,367	$ 18,321				$ 14,806	$ 40,781	$ 20,991			$ 45,000									$ 9,103				$ 77,187					$ 78,046		$ 36,388	$ 38,991					$ 65,800									$ 93,800				$ 48,500		$ 100,000							$ 110,600	$ 170,125	$ 43,426			$ 26,522																													$ 5,668	$ 1,631,001
Year of Completion/ Acquisition						1994	1989/1997	1995	1972/1997	1990/1995	1985/1996	1973/1996	1988/1994	1956/1996	1961/1997	1984/1996	1973/1996	1969/1997	1960/1997	1973/1996	1999	1973/1994	1997/1999	1971/1995	1961/1996	1997	1989/1997	1986	1990/1997	1972/1994	1985/1986	1985/1994	1962/1997	1979/1998	1971/1997	1973/1998	2002	2002	2003	2003	1988/2002	2006	2007	2006	2008	2007	2007	2008	2009	2009	2010	2009	2010	1989/2011	1978/2011	1981/2011	1988/2011	1986/2011	1975/2011	2006	[1]	1997	1991	1996	1999	2003	2002	2002	2005	2004	2004	2011	2008	2011	1982	2003	1987/2000	1994	1999	1986/1996	2000	1968/1998	2002	2002	2003	2004	2004	2005	2007	2007	2006	2007	2007	2009	2007	2009	2009	2010	2011	1987/1996	1991/1995	1996	1998	1986	2004	2004	1986/2006	1997	1996	1988	2002	2001	2002	2003	2006	2007	2011	1997	1998	1995	1990/1995	2000	1997/2000	1999	2002	2004	2005	2006	2007	2007	2007	2007	2009	2009	2009	2010	1991/1997	1989/1996	1990	1988/1997	1996	2001	1978/2012	1991/1997	1998	2001	2000	2000	2000	2000	2001	2001	2008	2011	2011		N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A

[1] This community is a Fund I asset which the Company consolidated beginning in 2010 as discussed elsewhere in this form 10-K.