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REAL ESTATE AND ACCUMULATED DEPRECIATION (Details)
ft² in Thousands, $ in Thousands
Dec. 31, 2019
USD ($)
home
ft²
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 83,329      
Initial Cost        
Land and improvements $ 4,534,157      
Building / Construction in Progress & Improvements 15,637,317      
Costs Subsequent to Acquisition / Construction 3,435,398      
Total Cost        
Land 4,534,157      
Building / Construction in Progress & Improvements 19,072,715      
Total 23,606,872 $ 22,342,576 $ 21,935,936 $ 20,776,626
Accumulated Depreciation 5,173,883 4,611,646 $ 4,218,379 $ 3,743,632
Total Cost, Net of Accumulated Depreciation 18,432,989 17,730,930    
Encumbrances $ 7,355,371      
Current Communities        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 76,697      
Initial Cost        
Land and improvements $ 4,167,483      
Building / Construction in Progress & Improvements 15,066,101      
Costs Subsequent to Acquisition / Construction 2,103,539      
Total Cost        
Land 4,167,483      
Building / Construction in Progress & Improvements 17,169,640      
Total 21,337,123      
Accumulated Depreciation 5,106,508      
Total Cost, Net of Accumulated Depreciation 16,230,615 16,073,001    
Encumbrances $ 955,371      
Current Communities | Avalon at Lexington [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 198      
Initial Cost        
Land and improvements $ 2,124      
Building / Construction in Progress & Improvements 12,567      
Costs Subsequent to Acquisition / Construction 11,632      
Total Cost        
Land 2,124      
Building / Construction in Progress & Improvements 24,199      
Total 26,323      
Accumulated Depreciation 15,944      
Total Cost, Net of Accumulated Depreciation 10,379 10,469    
Encumbrances $ 0      
Current Communities | Avalon Oaks [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 204      
Initial Cost        
Land and improvements $ 2,129      
Building / Construction in Progress & Improvements 17,567      
Costs Subsequent to Acquisition / Construction 6,576      
Total Cost        
Land 2,129      
Building / Construction in Progress & Improvements 24,143      
Total 26,272      
Accumulated Depreciation 15,767      
Total Cost, Net of Accumulated Depreciation 10,505 11,151    
Encumbrances $ 0      
Current Communities | Eaves Quincy [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 245      
Initial Cost        
Land and improvements $ 1,743      
Building / Construction in Progress & Improvements 14,662      
Costs Subsequent to Acquisition / Construction 11,286      
Total Cost        
Land 1,743      
Building / Construction in Progress & Improvements 25,948      
Total 27,691      
Accumulated Depreciation 16,378      
Total Cost, Net of Accumulated Depreciation 11,313 11,474    
Encumbrances $ 0      
Current Communities | Avalon Oaks West [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 120      
Initial Cost        
Land and improvements $ 3,318      
Building / Construction in Progress & Improvements 13,465      
Costs Subsequent to Acquisition / Construction 1,966      
Total Cost        
Land 3,318      
Building / Construction in Progress & Improvements 15,431      
Total 18,749      
Accumulated Depreciation 9,278      
Total Cost, Net of Accumulated Depreciation 9,471 9,801    
Encumbrances $ 0      
Current Communities | Avalon at the Pinehills [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 192      
Initial Cost        
Land and improvements $ 6,876      
Building / Construction in Progress & Improvements 30,401      
Costs Subsequent to Acquisition / Construction 2,943      
Total Cost        
Land 6,876      
Building / Construction in Progress & Improvements 33,344      
Total 40,220      
Accumulated Depreciation 13,652      
Total Cost, Net of Accumulated Depreciation 26,568 26,325    
Encumbrances $ 0      
Current Communities | Eaves Peabody [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 286      
Initial Cost        
Land and improvements $ 4,645      
Building / Construction in Progress & Improvements 18,919      
Costs Subsequent to Acquisition / Construction 14,827      
Total Cost        
Land 4,645      
Building / Construction in Progress & Improvements 33,746      
Total 38,391      
Accumulated Depreciation 15,913      
Total Cost, Net of Accumulated Depreciation 22,478 23,064    
Encumbrances $ 0      
Current Communities | Avalon at Bedford Center [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 139      
Initial Cost        
Land and improvements $ 4,258      
Building / Construction in Progress & Improvements 20,551      
Costs Subsequent to Acquisition / Construction 4,032      
Total Cost        
Land 4,258      
Building / Construction in Progress & Improvements 24,583      
Total 28,841      
Accumulated Depreciation 10,988      
Total Cost, Net of Accumulated Depreciation 17,853 17,709    
Encumbrances $ 0      
Current Communities | Avalon at Chestnut Hill [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 204      
Initial Cost        
Land and improvements $ 14,572      
Building / Construction in Progress & Improvements 45,911      
Costs Subsequent to Acquisition / Construction 12,315      
Total Cost        
Land 14,572      
Building / Construction in Progress & Improvements 58,226      
Total 72,798      
Accumulated Depreciation 24,277      
Total Cost, Net of Accumulated Depreciation 48,521 50,581    
Encumbrances $ 36,995      
Current Communities | Avalon at Lexington Hills [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 387      
Initial Cost        
Land and improvements $ 8,691      
Building / Construction in Progress & Improvements 79,121      
Costs Subsequent to Acquisition / Construction 13,819      
Total Cost        
Land 8,691      
Building / Construction in Progress & Improvements 92,940      
Total 101,631      
Accumulated Depreciation 36,077      
Total Cost, Net of Accumulated Depreciation 65,554 63,782    
Encumbrances $ 0      
Current Communities | Avalon Acton [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 380      
Initial Cost        
Land and improvements $ 13,124      
Building / Construction in Progress & Improvements 48,695      
Costs Subsequent to Acquisition / Construction 5,356      
Total Cost        
Land 13,124      
Building / Construction in Progress & Improvements 54,051      
Total 67,175      
Accumulated Depreciation 21,401      
Total Cost, Net of Accumulated Depreciation 45,774 46,845    
Encumbrances $ 45,000      
Current Communities | Avalon at the Hingham Shipyard [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 235      
Initial Cost        
Land and improvements $ 12,218      
Building / Construction in Progress & Improvements 41,656      
Costs Subsequent to Acquisition / Construction 8,646      
Total Cost        
Land 12,218      
Building / Construction in Progress & Improvements 50,302      
Total 62,520      
Accumulated Depreciation 17,936      
Total Cost, Net of Accumulated Depreciation 44,584 42,083    
Encumbrances $ 0      
Current Communities | Avalon Sharon [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 156      
Initial Cost        
Land and improvements $ 4,719      
Building / Construction in Progress & Improvements 25,478      
Costs Subsequent to Acquisition / Construction 5,255      
Total Cost        
Land 4,719      
Building / Construction in Progress & Improvements 30,733      
Total 35,452      
Accumulated Depreciation 11,302      
Total Cost, Net of Accumulated Depreciation 24,150 21,932    
Encumbrances $ 0      
Current Communities | Avalon Northborough [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 382      
Initial Cost        
Land and improvements $ 8,144      
Building / Construction in Progress & Improvements 52,184      
Costs Subsequent to Acquisition / Construction 3,450      
Total Cost        
Land 8,144      
Building / Construction in Progress & Improvements 55,634      
Total 63,778      
Accumulated Depreciation 19,146      
Total Cost, Net of Accumulated Depreciation 44,632 45,986    
Encumbrances $ 0      
Current Communities | Avalon Cohasset [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 220      
Initial Cost        
Land and improvements $ 8,802      
Building / Construction in Progress & Improvements 46,166      
Costs Subsequent to Acquisition / Construction 1,395      
Total Cost        
Land 8,802      
Building / Construction in Progress & Improvements 47,561      
Total 56,363      
Accumulated Depreciation 13,259      
Total Cost, Net of Accumulated Depreciation 43,104 44,013    
Encumbrances $ 0      
Current Communities | Avalon Exeter [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 187      
Initial Cost        
Land and improvements $ 0      
Building / Construction in Progress & Improvements 110,028      
Costs Subsequent to Acquisition / Construction 348      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 110,376      
Total 110,376      
Accumulated Depreciation 21,565      
Total Cost, Net of Accumulated Depreciation 88,811 109,017    
Encumbrances $ 0      
Current Communities | Avalon Natick [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 407      
Initial Cost        
Land and improvements $ 15,645      
Building / Construction in Progress & Improvements 64,845      
Costs Subsequent to Acquisition / Construction 421      
Total Cost        
Land 15,645      
Building / Construction in Progress & Improvements 65,266      
Total 80,911      
Accumulated Depreciation 15,156      
Total Cost, Net of Accumulated Depreciation 65,755 67,787    
Encumbrances $ 0      
Current Communities | Avalon at Assembly Row [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 195      
Initial Cost        
Land and improvements $ 8,599      
Building / Construction in Progress & Improvements 52,454      
Costs Subsequent to Acquisition / Construction 344      
Total Cost        
Land 8,599      
Building / Construction in Progress & Improvements 52,798      
Total 61,397      
Accumulated Depreciation 10,604      
Total Cost, Net of Accumulated Depreciation 50,793 52,511    
Encumbrances $ 0      
Current Communities | AVA Somerville [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 250      
Initial Cost        
Land and improvements $ 10,945      
Building / Construction in Progress & Improvements 56,460      
Costs Subsequent to Acquisition / Construction 304      
Total Cost        
Land 10,945      
Building / Construction in Progress & Improvements 56,764      
Total 67,709      
Accumulated Depreciation 10,359      
Total Cost, Net of Accumulated Depreciation 57,350 59,196    
Encumbrances $ 0      
Current Communities | AVA Back Bay [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 271      
Initial Cost        
Land and improvements $ 9,034      
Building / Construction in Progress & Improvements 36,540      
Costs Subsequent to Acquisition / Construction 50,996      
Total Cost        
Land 9,034      
Building / Construction in Progress & Improvements 87,536      
Total 96,570      
Accumulated Depreciation 39,957      
Total Cost, Net of Accumulated Depreciation 56,613 57,206    
Encumbrances $ 0      
Current Communities | Eaves Burlington [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 203      
Initial Cost        
Land and improvements $ 7,714      
Building / Construction in Progress & Improvements 32,499      
Costs Subsequent to Acquisition / Construction 7,093      
Total Cost        
Land 7,714      
Building / Construction in Progress & Improvements 39,592      
Total 47,306      
Accumulated Depreciation 9,666      
Total Cost, Net of Accumulated Depreciation 37,640 38,996    
Encumbrances $ 0      
Current Communities | AVA Theater District [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 398      
Initial Cost        
Land and improvements $ 17,072      
Building / Construction in Progress & Improvements 163,633      
Costs Subsequent to Acquisition / Construction 218      
Total Cost        
Land 17,072      
Building / Construction in Progress & Improvements 163,851      
Total 180,923      
Accumulated Depreciation 24,989      
Total Cost, Net of Accumulated Depreciation 155,934 161,632    
Encumbrances $ 0      
Current Communities | Avalon Burlington [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 312      
Initial Cost        
Land and improvements $ 15,600      
Building / Construction in Progress & Improvements 60,649      
Costs Subsequent to Acquisition / Construction 16,838      
Total Cost        
Land 15,600      
Building / Construction in Progress & Improvements 77,487      
Total 93,087      
Accumulated Depreciation 19,085      
Total Cost, Net of Accumulated Depreciation 74,002 76,790    
Encumbrances $ 0      
Current Communities | Avalon Marlborough [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 350      
Initial Cost        
Land and improvements $ 15,367      
Building / Construction in Progress & Improvements 60,397      
Costs Subsequent to Acquisition / Construction 439      
Total Cost        
Land 15,367      
Building / Construction in Progress & Improvements 60,836      
Total 76,203      
Accumulated Depreciation 9,783      
Total Cost, Net of Accumulated Depreciation 66,420 68,466    
Encumbrances $ 0      
Current Communities | Avalon Framingham [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 180      
Initial Cost        
Land and improvements $ 9,315      
Building / Construction in Progress & Improvements 34,631      
Costs Subsequent to Acquisition / Construction 12      
Total Cost        
Land 9,315      
Building / Construction in Progress & Improvements 34,643      
Total 43,958      
Accumulated Depreciation 5,257      
Total Cost, Net of Accumulated Depreciation 38,701 39,966    
Encumbrances $ 0      
Current Communities | Avalon Quincy [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 395      
Initial Cost        
Land and improvements $ 14,694      
Building / Construction in Progress & Improvements 79,093      
Costs Subsequent to Acquisition / Construction 14      
Total Cost        
Land 14,694      
Building / Construction in Progress & Improvements 79,107      
Total 93,801      
Accumulated Depreciation 8,878      
Total Cost, Net of Accumulated Depreciation 84,923 87,392    
Encumbrances $ 0      
Current Communities | Avalon Bear Hill [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 324      
Initial Cost        
Land and improvements $ 27,350      
Building / Construction in Progress & Improvements 94,168      
Costs Subsequent to Acquisition / Construction 29,301      
Total Cost        
Land 27,350      
Building / Construction in Progress & Improvements 123,469      
Total 150,819      
Accumulated Depreciation 32,978      
Total Cost, Net of Accumulated Depreciation 117,841 122,303    
Encumbrances $ 0      
Current Communities | Avalon at Center Place [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 225      
Initial Cost        
Land and improvements $ 0      
Building / Construction in Progress & Improvements 26,816      
Costs Subsequent to Acquisition / Construction 18,064      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 44,880      
Total 44,880      
Accumulated Depreciation 28,368      
Total Cost, Net of Accumulated Depreciation 16,512 16,139    
Encumbrances $ 0      
Current Communities | Eaves Stamford [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 238      
Initial Cost        
Land and improvements $ 5,956      
Building / Construction in Progress & Improvements 23,993      
Costs Subsequent to Acquisition / Construction 14,469      
Total Cost        
Land 5,956      
Building / Construction in Progress & Improvements 38,462      
Total 44,418      
Accumulated Depreciation 27,080      
Total Cost, Net of Accumulated Depreciation 17,338 18,056    
Encumbrances $ 0      
Current Communities | Avalon Wilton on River Rd [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 102      
Initial Cost        
Land and improvements $ 2,116      
Building / Construction in Progress & Improvements 14,664      
Costs Subsequent to Acquisition / Construction 7,233      
Total Cost        
Land 2,116      
Building / Construction in Progress & Improvements 21,897      
Total 24,013      
Accumulated Depreciation 13,820      
Total Cost, Net of Accumulated Depreciation 10,193 10,924    
Encumbrances $ 0      
Current Communities | Avalon Norwalk [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 311      
Initial Cost        
Land and improvements $ 11,320      
Building / Construction in Progress & Improvements 62,904      
Costs Subsequent to Acquisition / Construction 1,291      
Total Cost        
Land 11,320      
Building / Construction in Progress & Improvements 64,195      
Total 75,515      
Accumulated Depreciation 20,623      
Total Cost, Net of Accumulated Depreciation 54,892 56,950    
Encumbrances $ 0      
Current Communities | Avalon Wilton on Danbury Rd [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 100      
Initial Cost        
Land and improvements $ 6,604      
Building / Construction in Progress & Improvements 23,758      
Costs Subsequent to Acquisition / Construction 208      
Total Cost        
Land 6,604      
Building / Construction in Progress & Improvements 23,966      
Total 30,570      
Accumulated Depreciation 7,218      
Total Cost, Net of Accumulated Depreciation 23,352 24,125    
Encumbrances $ 0      
Current Communities | Avalon East Norwalk [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 240      
Initial Cost        
Land and improvements $ 10,395      
Building / Construction in Progress & Improvements 36,451      
Costs Subsequent to Acquisition / Construction 390      
Total Cost        
Land 10,395      
Building / Construction in Progress & Improvements 36,841      
Total 47,236      
Accumulated Depreciation 8,465      
Total Cost, Net of Accumulated Depreciation 38,771 40,048    
Encumbrances $ 0      
Current Communities | Avalon at Stratford [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 130      
Initial Cost        
Land and improvements $ 2,564      
Building / Construction in Progress & Improvements 27,232      
Costs Subsequent to Acquisition / Construction 262      
Total Cost        
Land 2,564      
Building / Construction in Progress & Improvements 27,494      
Total 30,058      
Accumulated Depreciation 5,281      
Total Cost, Net of Accumulated Depreciation 24,777 25,708    
Encumbrances $ 0      
Current Communities | Avalon Riverview [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 372      
Initial Cost        
Land and improvements $ 0      
Building / Construction in Progress & Improvements 94,061      
Costs Subsequent to Acquisition / Construction 11,395      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 105,456      
Total 105,456      
Accumulated Depreciation 62,534      
Total Cost, Net of Accumulated Depreciation 42,922 46,297    
Encumbrances $ 0      
Current Communities | Avalon Riverview North [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 602      
Initial Cost        
Land and improvements $ 0      
Building / Construction in Progress & Improvements 165,954      
Costs Subsequent to Acquisition / Construction 15,435      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 181,389      
Total 181,389      
Accumulated Depreciation 72,523      
Total Cost, Net of Accumulated Depreciation 108,866 114,953    
Encumbrances $ 0      
Current Communities | Avalon Fort Greene [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 631      
Initial Cost        
Land and improvements $ 83,038      
Building / Construction in Progress & Improvements 216,802      
Costs Subsequent to Acquisition / Construction 3,827      
Total Cost        
Land 83,038      
Building / Construction in Progress & Improvements 220,629      
Total 303,667      
Accumulated Depreciation 72,696      
Total Cost, Net of Accumulated Depreciation 230,971 237,426    
Encumbrances $ 0      
Current Communities | AVA DoBro [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 500      
Initial Cost        
Land and improvements $ 77,419      
Building / Construction in Progress & Improvements 207,082      
Costs Subsequent to Acquisition / Construction 50      
Total Cost        
Land 77,419      
Building / Construction in Progress & Improvements 207,132      
Total 284,551      
Accumulated Depreciation 25,458      
Total Cost, Net of Accumulated Depreciation 259,093 264,445    
Encumbrances $ 0      
Current Communities | Avalon Willoughby Square [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 326      
Initial Cost        
Land and improvements $ 50,477      
Building / Construction in Progress & Improvements 135,017      
Costs Subsequent to Acquisition / Construction 73      
Total Cost        
Land 50,477      
Building / Construction in Progress & Improvements 135,090      
Total 185,567      
Accumulated Depreciation 16,597      
Total Cost, Net of Accumulated Depreciation 168,970 172,415    
Encumbrances $ 0      
Current Communities | Avalon Clinton North [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 339      
Initial Cost        
Land and improvements $ 84,069      
Building / Construction in Progress & Improvements 105,821      
Costs Subsequent to Acquisition / Construction 12,364      
Total Cost        
Land 84,069      
Building / Construction in Progress & Improvements 118,185      
Total 202,254      
Accumulated Depreciation 31,394      
Total Cost, Net of Accumulated Depreciation 170,860 174,710    
Encumbrances $ 147,000      
Current Communities | Avalon Clinton South [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 288      
Initial Cost        
Land and improvements $ 71,421      
Building / Construction in Progress & Improvements 89,851      
Costs Subsequent to Acquisition / Construction 7,132      
Total Cost        
Land 71,421      
Building / Construction in Progress & Improvements 96,983      
Total 168,404      
Accumulated Depreciation 26,700      
Total Cost, Net of Accumulated Depreciation 141,704 144,705    
Encumbrances $ 121,500      
Current Communities | Avalon Commons [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 312      
Initial Cost        
Land and improvements $ 4,679      
Building / Construction in Progress & Improvements 28,286      
Costs Subsequent to Acquisition / Construction 7,147      
Total Cost        
Land 4,679      
Building / Construction in Progress & Improvements 35,433      
Total 40,112      
Accumulated Depreciation 25,091      
Total Cost, Net of Accumulated Depreciation 15,021 15,925    
Encumbrances $ 0      
Current Communities | Avalon Green I [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 105      
Initial Cost        
Land and improvements $ 1,820      
Building / Construction in Progress & Improvements 10,525      
Costs Subsequent to Acquisition / Construction 7,827      
Total Cost        
Land 1,820      
Building / Construction in Progress & Improvements 18,352      
Total 20,172      
Accumulated Depreciation 11,161      
Total Cost, Net of Accumulated Depreciation 9,011 9,509    
Encumbrances $ 0      
Current Communities | Avalon Towers [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 109      
Initial Cost        
Land and improvements $ 3,118      
Building / Construction in Progress & Improvements 11,973      
Costs Subsequent to Acquisition / Construction 26,594      
Total Cost        
Land 3,118      
Building / Construction in Progress & Improvements 38,567      
Total 41,685      
Accumulated Depreciation 19,327      
Total Cost, Net of Accumulated Depreciation 22,358 23,586    
Encumbrances $ 0      
Current Communities | Avalon Bronxville [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 110      
Initial Cost        
Land and improvements $ 2,889      
Building / Construction in Progress & Improvements 28,324      
Costs Subsequent to Acquisition / Construction 8,949      
Total Cost        
Land 2,889      
Building / Construction in Progress & Improvements 37,273      
Total 40,162      
Accumulated Depreciation 22,483      
Total Cost, Net of Accumulated Depreciation 17,679 18,870    
Encumbrances $ 0      
Current Communities | Avalon at Glen Cove [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 256      
Initial Cost        
Land and improvements $ 7,871      
Building / Construction in Progress & Improvements 59,969      
Costs Subsequent to Acquisition / Construction 5,265      
Total Cost        
Land 7,871      
Building / Construction in Progress & Improvements 65,234      
Total 73,105      
Accumulated Depreciation 34,102      
Total Cost, Net of Accumulated Depreciation 39,003 41,374    
Encumbrances $ 0      
Current Communities | Avalon Glen Cove North [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 111      
Initial Cost        
Land and improvements $ 2,577      
Building / Construction in Progress & Improvements 37,336      
Costs Subsequent to Acquisition / Construction 871      
Total Cost        
Land 2,577      
Building / Construction in Progress & Improvements 38,207      
Total 40,784      
Accumulated Depreciation 16,539      
Total Cost, Net of Accumulated Depreciation 24,245 25,465    
Encumbrances $ 0      
Current Communities | Avalon White Plains [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 407      
Initial Cost        
Land and improvements $ 15,391      
Building / Construction in Progress & Improvements 137,353      
Costs Subsequent to Acquisition / Construction 1,731      
Total Cost        
Land 15,391      
Building / Construction in Progress & Improvements 139,084      
Total 154,475      
Accumulated Depreciation 50,915      
Total Cost, Net of Accumulated Depreciation 103,560 107,895    
Encumbrances $ 0      
Current Communities | Avalon Rockville Centre I [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 349      
Initial Cost        
Land and improvements $ 32,212      
Building / Construction in Progress & Improvements 78,806      
Costs Subsequent to Acquisition / Construction 6,122      
Total Cost        
Land 32,212      
Building / Construction in Progress & Improvements 84,928      
Total 117,140      
Accumulated Depreciation 24,402      
Total Cost, Net of Accumulated Depreciation 92,738 92,598    
Encumbrances $ 0      
Current Communities | Avalon Green II [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 444      
Initial Cost        
Land and improvements $ 27,765      
Building / Construction in Progress & Improvements 77,560      
Costs Subsequent to Acquisition / Construction 2,297      
Total Cost        
Land 27,765      
Building / Construction in Progress & Improvements 79,857      
Total 107,622      
Accumulated Depreciation 21,415      
Total Cost, Net of Accumulated Depreciation 86,207 87,318    
Encumbrances $ 0      
Current Communities | Avalon Garden City [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 204      
Initial Cost        
Land and improvements $ 18,205      
Building / Construction in Progress & Improvements 49,326      
Costs Subsequent to Acquisition / Construction 796      
Total Cost        
Land 18,205      
Building / Construction in Progress & Improvements 50,122      
Total 68,327      
Accumulated Depreciation 13,155      
Total Cost, Net of Accumulated Depreciation 55,172 56,869    
Encumbrances $ 0      
Current Communities | Avalon Ossining [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 168      
Initial Cost        
Land and improvements $ 6,392      
Building / Construction in Progress & Improvements 30,313      
Costs Subsequent to Acquisition / Construction 57      
Total Cost        
Land 6,392      
Building / Construction in Progress & Improvements 30,370      
Total 36,762      
Accumulated Depreciation 6,297      
Total Cost, Net of Accumulated Depreciation 30,465 31,567    
Encumbrances $ 0      
Current Communities | Avalon Huntington Station [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 303      
Initial Cost        
Land and improvements $ 21,899      
Building / Construction in Progress & Improvements 58,437      
Costs Subsequent to Acquisition / Construction 233      
Total Cost        
Land 21,899      
Building / Construction in Progress & Improvements 58,670      
Total 80,569      
Accumulated Depreciation 11,333      
Total Cost, Net of Accumulated Depreciation 69,236 71,290    
Encumbrances $ 0      
Current Communities | Avalon Green III [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 68      
Initial Cost        
Land and improvements $ 4,985      
Building / Construction in Progress & Improvements 17,300      
Costs Subsequent to Acquisition / Construction 182      
Total Cost        
Land 4,985      
Building / Construction in Progress & Improvements 17,482      
Total 22,467      
Accumulated Depreciation 2,483      
Total Cost, Net of Accumulated Depreciation 19,984 20,432    
Encumbrances $ 0      
Current Communities | Avalon Great Neck [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 191      
Initial Cost        
Land and improvements $ 14,777      
Building / Construction in Progress & Improvements 65,642      
Costs Subsequent to Acquisition / Construction 16      
Total Cost        
Land 14,777      
Building / Construction in Progress & Improvements 65,658      
Total 80,435      
Accumulated Depreciation 6,433      
Total Cost, Net of Accumulated Depreciation 74,002 76,753    
Encumbrances $ 0      
Current Communities | Avalon Westbury [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 396      
Initial Cost        
Land and improvements $ 69,620      
Building / Construction in Progress & Improvements 43,781      
Costs Subsequent to Acquisition / Construction 12,722      
Total Cost        
Land 69,620      
Building / Construction in Progress & Improvements 56,503      
Total 126,123      
Accumulated Depreciation 20,491      
Total Cost, Net of Accumulated Depreciation 105,632 107,382    
Encumbrances $ 75,865      
Current Communities | Avalon Cove [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 504      
Initial Cost        
Land and improvements $ 8,760      
Building / Construction in Progress & Improvements 82,422      
Costs Subsequent to Acquisition / Construction 27,056      
Total Cost        
Land 8,760      
Building / Construction in Progress & Improvements 109,478      
Total 118,238      
Accumulated Depreciation 72,692      
Total Cost, Net of Accumulated Depreciation 45,546 47,406    
Encumbrances $ 0      
Current Communities | Eaves Lawrenceville [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 632      
Initial Cost        
Land and improvements $ 14,650      
Building / Construction in Progress & Improvements 60,486      
Costs Subsequent to Acquisition / Construction 13,106      
Total Cost        
Land 14,650      
Building / Construction in Progress & Improvements 73,592      
Total 88,242      
Accumulated Depreciation 37,957      
Total Cost, Net of Accumulated Depreciation 50,285 52,498    
Encumbrances $ 0      
Current Communities | Avalon Princeton Junction [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 512      
Initial Cost        
Land and improvements $ 5,585      
Building / Construction in Progress & Improvements 22,382      
Costs Subsequent to Acquisition / Construction 24,963      
Total Cost        
Land 5,585      
Building / Construction in Progress & Improvements 47,345      
Total 52,930      
Accumulated Depreciation 29,310      
Total Cost, Net of Accumulated Depreciation 23,620 22,750    
Encumbrances $ 0      
Current Communities | Avalon at Edgewater        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 168      
Initial Cost        
Land and improvements $ 5,982      
Building / Construction in Progress & Improvements 24,389      
Costs Subsequent to Acquisition / Construction 9,516      
Total Cost        
Land 5,982      
Building / Construction in Progress & Improvements 33,905      
Total 39,887      
Accumulated Depreciation 18,266      
Total Cost, Net of Accumulated Depreciation 21,621 23,050    
Encumbrances $ 0      
Current Communities | Avalon Tinton Falls [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 216      
Initial Cost        
Land and improvements $ 7,939      
Building / Construction in Progress & Improvements 33,170      
Costs Subsequent to Acquisition / Construction 746      
Total Cost        
Land 7,939      
Building / Construction in Progress & Improvements 33,916      
Total 41,855      
Accumulated Depreciation 13,570      
Total Cost, Net of Accumulated Depreciation 28,285 29,341    
Encumbrances $ 0      
Current Communities | Avalon West Long Branch [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 180      
Initial Cost        
Land and improvements $ 2,721      
Building / Construction in Progress & Improvements 22,925      
Costs Subsequent to Acquisition / Construction 406      
Total Cost        
Land 2,721      
Building / Construction in Progress & Improvements 23,331      
Total 26,052      
Accumulated Depreciation 7,625      
Total Cost, Net of Accumulated Depreciation 18,427 19,160    
Encumbrances $ 0      
Current Communities | Avalon North Bergen [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 164      
Initial Cost        
Land and improvements $ 8,984      
Building / Construction in Progress & Improvements 30,994      
Costs Subsequent to Acquisition / Construction 1,090      
Total Cost        
Land 8,984      
Building / Construction in Progress & Improvements 32,084      
Total 41,068      
Accumulated Depreciation 8,891      
Total Cost, Net of Accumulated Depreciation 32,177 33,278    
Encumbrances $ 0      
Current Communities | Avalon at Wesmont Station I [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 266      
Initial Cost        
Land and improvements $ 14,682      
Building / Construction in Progress & Improvements 41,635      
Costs Subsequent to Acquisition / Construction 1,923      
Total Cost        
Land 14,682      
Building / Construction in Progress & Improvements 43,558      
Total 58,240      
Accumulated Depreciation 11,642      
Total Cost, Net of Accumulated Depreciation 46,598 47,781    
Encumbrances $ 0      
Current Communities | Avalon Hackensack at Riverside [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 226      
Initial Cost        
Land and improvements $ 0      
Building / Construction in Progress & Improvements 44,619      
Costs Subsequent to Acquisition / Construction 719      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 45,338      
Total 45,338      
Accumulated Depreciation 10,452      
Total Cost, Net of Accumulated Depreciation 34,886 36,006    
Encumbrances $ 0      
Current Communities | Avalon Somerset [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 384      
Initial Cost        
Land and improvements $ 18,241      
Building / Construction in Progress & Improvements 58,338      
Costs Subsequent to Acquisition / Construction 553      
Total Cost        
Land 18,241      
Building / Construction in Progress & Improvements 58,891      
Total 77,132      
Accumulated Depreciation 14,191      
Total Cost, Net of Accumulated Depreciation 62,941 64,863    
Encumbrances $ 0      
Current Communities | Avalon Bloomfield Station        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 224      
Initial Cost        
Land and improvements $ 10,701      
Building / Construction in Progress & Improvements 36,513      
Costs Subsequent to Acquisition / Construction 46      
Total Cost        
Land 10,701      
Building / Construction in Progress & Improvements 36,559      
Total 47,260      
Accumulated Depreciation 5,973      
Total Cost, Net of Accumulated Depreciation 41,287 45,678    
Encumbrances $ 0      
Current Communities | Avalon at Wesmont Station II [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 140      
Initial Cost        
Land and improvements $ 6,502      
Building / Construction in Progress & Improvements 16,863      
Costs Subsequent to Acquisition / Construction 131      
Total Cost        
Land 6,502      
Building / Construction in Progress & Improvements 16,994      
Total 23,496      
Accumulated Depreciation 4,140      
Total Cost, Net of Accumulated Depreciation 19,356 19,879    
Encumbrances $ 0      
Current Communities | Avalon Bloomingdale [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 174      
Initial Cost        
Land and improvements $ 3,006      
Building / Construction in Progress & Improvements 27,801      
Costs Subsequent to Acquisition / Construction 138      
Total Cost        
Land 3,006      
Building / Construction in Progress & Improvements 27,939      
Total 30,945      
Accumulated Depreciation 6,168      
Total Cost, Net of Accumulated Depreciation 24,777 25,736    
Encumbrances $ 0      
Current Communities | Avalon Wharton [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 247      
Initial Cost        
Land and improvements $ 2,273      
Building / Construction in Progress & Improvements 48,609      
Costs Subsequent to Acquisition / Construction 171      
Total Cost        
Land 2,273      
Building / Construction in Progress & Improvements 48,780      
Total 51,053      
Accumulated Depreciation 8,673      
Total Cost, Net of Accumulated Depreciation 42,380 44,054    
Encumbrances $ 0      
Current Communities | Avalon Roseland [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 136      
Initial Cost        
Land and improvements $ 11,288      
Building / Construction in Progress & Improvements 34,868      
Costs Subsequent to Acquisition / Construction 49      
Total Cost        
Land 11,288      
Building / Construction in Progress & Improvements 34,917      
Total 46,205      
Accumulated Depreciation 5,766      
Total Cost, Net of Accumulated Depreciation 40,439 41,676    
Encumbrances $ 0      
Current Communities | Avalon Princeton [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 280      
Initial Cost        
Land and improvements $ 26,461      
Building / Construction in Progress & Improvements 67,989      
Costs Subsequent to Acquisition / Construction 635      
Total Cost        
Land 26,461      
Building / Construction in Progress & Improvements 68,624      
Total 95,085      
Accumulated Depreciation 7,667      
Total Cost, Net of Accumulated Depreciation 87,418 90,156    
Encumbrances $ 0      
Current Communities | Avalon Union [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 202      
Initial Cost        
Land and improvements $ 11,695      
Building / Construction in Progress & Improvements 36,315      
Costs Subsequent to Acquisition / Construction 53      
Total Cost        
Land 11,695      
Building / Construction in Progress & Improvements 36,368      
Total 48,063      
Accumulated Depreciation 5,061      
Total Cost, Net of Accumulated Depreciation 43,002 44,294    
Encumbrances $ 0      
Current Communities | Avalon Hoboken [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 217      
Initial Cost        
Land and improvements $ 37,237      
Building / Construction in Progress & Improvements 90,475      
Costs Subsequent to Acquisition / Construction 5,724      
Total Cost        
Land 37,237      
Building / Construction in Progress & Improvements 96,199      
Total 133,436      
Accumulated Depreciation 18,374      
Total Cost, Net of Accumulated Depreciation 115,062 118,205    
Encumbrances $ 67,904      
Current Communities | Avalon at Foxhall [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 308      
Initial Cost        
Land and improvements $ 6,848      
Building / Construction in Progress & Improvements 27,614      
Costs Subsequent to Acquisition / Construction 17,340      
Total Cost        
Land 6,848      
Building / Construction in Progress & Improvements 44,954      
Total 51,802      
Accumulated Depreciation 33,343      
Total Cost, Net of Accumulated Depreciation 18,459 19,141    
Encumbrances $ 0      
Current Communities | Avalon at Gallery Place [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 203      
Initial Cost        
Land and improvements $ 8,800      
Building / Construction in Progress & Improvements 39,658      
Costs Subsequent to Acquisition / Construction 3,026      
Total Cost        
Land 8,800      
Building / Construction in Progress & Improvements 42,684      
Total 51,484      
Accumulated Depreciation 24,196      
Total Cost, Net of Accumulated Depreciation 27,288 28,531    
Encumbrances $ 0      
Current Communities | AVA H Street [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 138      
Initial Cost        
Land and improvements $ 7,425      
Building / Construction in Progress & Improvements 25,282      
Costs Subsequent to Acquisition / Construction 193      
Total Cost        
Land 7,425      
Building / Construction in Progress & Improvements 25,475      
Total 32,900      
Accumulated Depreciation 6,724      
Total Cost, Net of Accumulated Depreciation 26,176 27,170    
Encumbrances $ 0      
Current Communities | Avalon The Albemarle [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 234      
Initial Cost        
Land and improvements $ 25,140      
Building / Construction in Progress & Improvements 52,459      
Costs Subsequent to Acquisition / Construction 8,649      
Total Cost        
Land 25,140      
Building / Construction in Progress & Improvements 61,108      
Total 86,248      
Accumulated Depreciation 17,555      
Total Cost, Net of Accumulated Depreciation 68,693 70,248    
Encumbrances $ 0      
Current Communities | Eaves Tunlaw Gardens [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 166      
Initial Cost        
Land and improvements $ 16,430      
Building / Construction in Progress & Improvements 22,902      
Costs Subsequent to Acquisition / Construction 2,501      
Total Cost        
Land 16,430      
Building / Construction in Progress & Improvements 25,403      
Total 41,833      
Accumulated Depreciation 7,523      
Total Cost, Net of Accumulated Depreciation 34,310 35,177    
Encumbrances $ 0      
Current Communities | The Statesman [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 281      
Initial Cost        
Land and improvements $ 38,140      
Building / Construction in Progress & Improvements 35,352      
Costs Subsequent to Acquisition / Construction 5,297      
Total Cost        
Land 38,140      
Building / Construction in Progress & Improvements 40,649      
Total 78,789      
Accumulated Depreciation 12,881      
Total Cost, Net of Accumulated Depreciation 65,908 66,726    
Encumbrances $ 0      
Current Communities | Eaves Glover Park [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 120      
Initial Cost        
Land and improvements $ 9,580      
Building / Construction in Progress & Improvements 26,532      
Costs Subsequent to Acquisition / Construction 2,580      
Total Cost        
Land 9,580      
Building / Construction in Progress & Improvements 29,112      
Total 38,692      
Accumulated Depreciation 8,801      
Total Cost, Net of Accumulated Depreciation 29,891 30,940    
Encumbrances $ 0      
Current Communities | Avalon First and M [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 469      
Initial Cost        
Land and improvements $ 43,700      
Building / Construction in Progress & Improvements 153,950      
Costs Subsequent to Acquisition / Construction 3,915      
Total Cost        
Land 43,700      
Building / Construction in Progress & Improvements 157,865      
Total 201,565      
Accumulated Depreciation 39,698      
Total Cost, Net of Accumulated Depreciation 161,867 167,252    
Encumbrances $ 0      
Current Communities | Eaves Washingtonian Center [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 288      
Initial Cost        
Land and improvements $ 4,047      
Building / Construction in Progress & Improvements 18,553      
Costs Subsequent to Acquisition / Construction 4,179      
Total Cost        
Land 4,047      
Building / Construction in Progress & Improvements 22,732      
Total 26,779      
Accumulated Depreciation 16,297      
Total Cost, Net of Accumulated Depreciation 10,482 10,528    
Encumbrances $ 0      
Current Communities | Eaves Columbia Town Center [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 392      
Initial Cost        
Land and improvements $ 8,802      
Building / Construction in Progress & Improvements 35,536      
Costs Subsequent to Acquisition / Construction 12,716      
Total Cost        
Land 8,802      
Building / Construction in Progress & Improvements 48,252      
Total 57,054      
Accumulated Depreciation 24,260      
Total Cost, Net of Accumulated Depreciation 32,794 34,223    
Encumbrances $ 0      
Current Communities | Avalon at Grosvenor Station [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 497      
Initial Cost        
Land and improvements $ 29,159      
Building / Construction in Progress & Improvements 52,993      
Costs Subsequent to Acquisition / Construction 3,879      
Total Cost        
Land 29,159      
Building / Construction in Progress & Improvements 56,872      
Total 86,031      
Accumulated Depreciation 31,238      
Total Cost, Net of Accumulated Depreciation 54,793 56,205    
Encumbrances $ 0      
Current Communities | Avalon at Traville [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 520      
Initial Cost        
Land and improvements $ 14,365      
Building / Construction in Progress & Improvements 55,398      
Costs Subsequent to Acquisition / Construction 5,509      
Total Cost        
Land 14,365      
Building / Construction in Progress & Improvements 60,907      
Total 75,272      
Accumulated Depreciation 32,731      
Total Cost, Net of Accumulated Depreciation 42,541 44,001    
Encumbrances $ 0      
Current Communities | Avalon Hunt Valley [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 332      
Initial Cost        
Land and improvements $ 10,872      
Building / Construction in Progress & Improvements 62,992      
Costs Subsequent to Acquisition / Construction 39      
Total Cost        
Land 10,872      
Building / Construction in Progress & Improvements 63,031      
Total 73,903      
Accumulated Depreciation 6,851      
Total Cost, Net of Accumulated Depreciation 67,052 69,292    
Encumbrances $ 0      
Current Communities | Avalon Laurel [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 344      
Initial Cost        
Land and improvements $ 10,130      
Building / Construction in Progress & Improvements 61,685      
Costs Subsequent to Acquisition / Construction 35      
Total Cost        
Land 10,130      
Building / Construction in Progress & Improvements 61,720      
Total 71,850      
Accumulated Depreciation 7,413      
Total Cost, Net of Accumulated Depreciation 64,437 66,632    
Encumbrances $ 0      
Current Communities | Avalon at Fairway Hills - Meadows [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 192      
Initial Cost        
Land and improvements $ 2,323      
Building / Construction in Progress & Improvements 9,297      
Costs Subsequent to Acquisition / Construction 4,980      
Total Cost        
Land 2,323      
Building / Construction in Progress & Improvements 14,277      
Total 16,600      
Accumulated Depreciation 10,035      
Total Cost, Net of Accumulated Depreciation 6,565 6,929    
Encumbrances $ 0      
Current Communities | Avalon at Fairway Hills - Woods [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 336      
Initial Cost        
Land and improvements $ 3,958      
Building / Construction in Progress & Improvements 15,839      
Costs Subsequent to Acquisition / Construction 8,746      
Total Cost        
Land 3,958      
Building / Construction in Progress & Improvements 24,585      
Total 28,543      
Accumulated Depreciation 16,827      
Total Cost, Net of Accumulated Depreciation 11,716 11,314    
Encumbrances $ 0      
Current Communities | Avalon Russett [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 238      
Initial Cost        
Land and improvements $ 10,200      
Building / Construction in Progress & Improvements 47,524      
Costs Subsequent to Acquisition / Construction 3,721      
Total Cost        
Land 10,200      
Building / Construction in Progress & Improvements 51,245      
Total 61,445      
Accumulated Depreciation 14,882      
Total Cost, Net of Accumulated Depreciation 46,563 48,232    
Encumbrances $ 32,200      
Current Communities | Eaves Fair Lakes [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 420      
Initial Cost        
Land and improvements $ 6,096      
Building / Construction in Progress & Improvements 24,400      
Costs Subsequent to Acquisition / Construction 10,922      
Total Cost        
Land 6,096      
Building / Construction in Progress & Improvements 35,322      
Total 41,418      
Accumulated Depreciation 23,894      
Total Cost, Net of Accumulated Depreciation 17,524 17,656    
Encumbrances $ 0      
Current Communities | AVA Ballston [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 344      
Initial Cost        
Land and improvements $ 7,291      
Building / Construction in Progress & Improvements 29,177      
Costs Subsequent to Acquisition / Construction 16,649      
Total Cost        
Land 7,291      
Building / Construction in Progress & Improvements 45,826      
Total 53,117      
Accumulated Depreciation 32,292      
Total Cost, Net of Accumulated Depreciation 20,825 22,152    
Encumbrances $ 0      
Current Communities | Avalon Tysons Corner [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 558      
Initial Cost        
Land and improvements $ 13,851      
Building / Construction in Progress & Improvements 43,397      
Costs Subsequent to Acquisition / Construction 13,665      
Total Cost        
Land 13,851      
Building / Construction in Progress & Improvements 57,062      
Total 70,913      
Accumulated Depreciation 36,896      
Total Cost, Net of Accumulated Depreciation 34,017 35,481    
Encumbrances $ 0      
Current Communities | Avalon at Arlington Square [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 842      
Initial Cost        
Land and improvements $ 22,041      
Building / Construction in Progress & Improvements 90,296      
Costs Subsequent to Acquisition / Construction 32,150      
Total Cost        
Land 22,041      
Building / Construction in Progress & Improvements 122,446      
Total 144,487      
Accumulated Depreciation 62,633      
Total Cost, Net of Accumulated Depreciation 81,854 85,846    
Encumbrances $ 0      
Current Communities | Avalon Park Crest [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 354      
Initial Cost        
Land and improvements $ 13,554      
Building / Construction in Progress & Improvements 63,526      
Costs Subsequent to Acquisition / Construction 671      
Total Cost        
Land 13,554      
Building / Construction in Progress & Improvements 64,197      
Total 77,751      
Accumulated Depreciation 16,698      
Total Cost, Net of Accumulated Depreciation 61,053 63,149    
Encumbrances $ 0      
Current Communities | Avalon Mosaic [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 531      
Initial Cost        
Land and improvements $ 33,490      
Building / Construction in Progress & Improvements 75,801      
Costs Subsequent to Acquisition / Construction 282      
Total Cost        
Land 33,490      
Building / Construction in Progress & Improvements 76,083      
Total 109,573      
Accumulated Depreciation 16,113      
Total Cost, Net of Accumulated Depreciation 93,460 96,179    
Encumbrances $ 0      
Current Communities | Avalon Potomac Yard [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 323      
Initial Cost        
Land and improvements $ 24,225      
Building / Construction in Progress & Improvements 81,982      
Costs Subsequent to Acquisition / Construction 2,896      
Total Cost        
Land 24,225      
Building / Construction in Progress & Improvements 84,878      
Total 109,103      
Accumulated Depreciation 15,277      
Total Cost, Net of Accumulated Depreciation 93,826 97,127    
Encumbrances $ 0      
Current Communities | Avalon Clarendon        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 300      
Initial Cost        
Land and improvements $ 22,573      
Building / Construction in Progress & Improvements 95,355      
Costs Subsequent to Acquisition / Construction 8,156      
Total Cost        
Land 22,573      
Building / Construction in Progress & Improvements 103,511      
Total 126,084      
Accumulated Depreciation 16,101      
Total Cost, Net of Accumulated Depreciation 109,983 111,129    
Encumbrances $ 0      
Current Communities | Avalon Columbia Pike [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 269      
Initial Cost        
Land and improvements $ 18,830      
Building / Construction in Progress & Improvements 82,427      
Costs Subsequent to Acquisition / Construction 3,233      
Total Cost        
Land 18,830      
Building / Construction in Progress & Improvements 85,660      
Total 104,490      
Accumulated Depreciation 12,622      
Total Cost, Net of Accumulated Depreciation 91,868 94,521    
Encumbrances $ 0      
Current Communities | Avalon Dunn Loring [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 440      
Initial Cost        
Land and improvements $ 29,377      
Building / Construction in Progress & Improvements 115,467      
Costs Subsequent to Acquisition / Construction 8,068      
Total Cost        
Land 29,377      
Building / Construction in Progress & Improvements 123,535      
Total 152,912      
Accumulated Depreciation 17,196      
Total Cost, Net of Accumulated Depreciation 135,716 141,118    
Encumbrances $ 0      
Current Communities | Eaves Tysons Corner [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 217      
Initial Cost        
Land and improvements $ 16,030      
Building / Construction in Progress & Improvements 45,420      
Costs Subsequent to Acquisition / Construction 3,107      
Total Cost        
Land 16,030      
Building / Construction in Progress & Improvements 48,527      
Total 64,557      
Accumulated Depreciation 15,022      
Total Cost, Net of Accumulated Depreciation 49,535 51,389    
Encumbrances $ 0      
Current Communities | Avalon Courthouse Place [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 564      
Initial Cost        
Land and improvements $ 56,550      
Building / Construction in Progress & Improvements 178,032      
Costs Subsequent to Acquisition / Construction 10,882      
Total Cost        
Land 56,550      
Building / Construction in Progress & Improvements 188,914      
Total 245,464      
Accumulated Depreciation 50,996      
Total Cost, Net of Accumulated Depreciation 194,468 200,562    
Encumbrances $ 0      
Current Communities | Avalon Arlington North [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 228      
Initial Cost        
Land and improvements $ 21,600      
Building / Construction in Progress & Improvements 59,076      
Costs Subsequent to Acquisition / Construction 225      
Total Cost        
Land 21,600      
Building / Construction in Progress & Improvements 59,301      
Total 80,901      
Accumulated Depreciation 12,063      
Total Cost, Net of Accumulated Depreciation 68,838 70,891    
Encumbrances $ 0      
Current Communities | Avalon Reston Landing [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 400      
Initial Cost        
Land and improvements $ 26,710      
Building / Construction in Progress & Improvements 83,084      
Costs Subsequent to Acquisition / Construction 7,901      
Total Cost        
Land 26,710      
Building / Construction in Progress & Improvements 90,985      
Total 117,695      
Accumulated Depreciation 27,520      
Total Cost, Net of Accumulated Depreciation 90,175 93,182    
Encumbrances $ 0      
Current Communities | Avalon Falls Church [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 384      
Initial Cost        
Land and improvements $ 39,544      
Building / Construction in Progress & Improvements 66,160      
Costs Subsequent to Acquisition / Construction 93      
Total Cost        
Land 39,544      
Building / Construction in Progress & Improvements 66,253      
Total 105,797      
Accumulated Depreciation 10,821      
Total Cost, Net of Accumulated Depreciation 94,976 97,374    
Encumbrances $ 0      
Current Communities | Avalon Redmond Place [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 222      
Initial Cost        
Land and improvements $ 4,558      
Building / Construction in Progress & Improvements 18,368      
Costs Subsequent to Acquisition / Construction 10,882      
Total Cost        
Land 4,558      
Building / Construction in Progress & Improvements 29,250      
Total 33,808      
Accumulated Depreciation 19,657      
Total Cost, Net of Accumulated Depreciation 14,151 14,904    
Encumbrances $ 0      
Current Communities | Avalon at Bear Creek [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 264      
Initial Cost        
Land and improvements $ 6,786      
Building / Construction in Progress & Improvements 27,641      
Costs Subsequent to Acquisition / Construction 5,367      
Total Cost        
Land 6,786      
Building / Construction in Progress & Improvements 33,008      
Total 39,794      
Accumulated Depreciation 23,740      
Total Cost, Net of Accumulated Depreciation 16,054 17,157    
Encumbrances $ 0      
Current Communities | Avalon Bellevue [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 201      
Initial Cost        
Land and improvements $ 6,664      
Building / Construction in Progress & Improvements 24,119      
Costs Subsequent to Acquisition / Construction 2,343      
Total Cost        
Land 6,664      
Building / Construction in Progress & Improvements 26,462      
Total 33,126      
Accumulated Depreciation 17,332      
Total Cost, Net of Accumulated Depreciation 15,794 16,711    
Encumbrances $ 0      
Current Communities | Avalon RockMeadow [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 206      
Initial Cost        
Land and improvements $ 4,777      
Building / Construction in Progress & Improvements 19,765      
Costs Subsequent to Acquisition / Construction 3,531      
Total Cost        
Land 4,777      
Building / Construction in Progress & Improvements 23,296      
Total 28,073      
Accumulated Depreciation 15,405      
Total Cost, Net of Accumulated Depreciation 12,668 13,342    
Encumbrances $ 0      
Current Communities | Avalon ParcSquare [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 124      
Initial Cost        
Land and improvements $ 3,789      
Building / Construction in Progress & Improvements 15,139      
Costs Subsequent to Acquisition / Construction 3,774      
Total Cost        
Land 3,789      
Building / Construction in Progress & Improvements 18,913      
Total 22,702      
Accumulated Depreciation 12,178      
Total Cost, Net of Accumulated Depreciation 10,524 10,966    
Encumbrances $ 0      
Current Communities | AVA Belltown [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 100      
Initial Cost        
Land and improvements $ 5,644      
Building / Construction in Progress & Improvements 12,733      
Costs Subsequent to Acquisition / Construction 1,295      
Total Cost        
Land 5,644      
Building / Construction in Progress & Improvements 14,028      
Total 19,672      
Accumulated Depreciation 8,985      
Total Cost, Net of Accumulated Depreciation 10,687 11,151    
Encumbrances $ 0      
Current Communities | Avalon Meydenbauer [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 368      
Initial Cost        
Land and improvements $ 12,697      
Building / Construction in Progress & Improvements 77,450      
Costs Subsequent to Acquisition / Construction 3,503      
Total Cost        
Land 12,697      
Building / Construction in Progress & Improvements 80,953      
Total 93,650      
Accumulated Depreciation 32,110      
Total Cost, Net of Accumulated Depreciation 61,540 62,634    
Encumbrances $ 0      
Current Communities | Avalon Towers Bellevue [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 397      
Initial Cost        
Land and improvements $ 0      
Building / Construction in Progress & Improvements 123,029      
Costs Subsequent to Acquisition / Construction 1,781      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 124,810      
Total 124,810      
Accumulated Depreciation 40,596      
Total Cost, Net of Accumulated Depreciation 84,214 88,063    
Encumbrances $ 0      
Current Communities | AVA Queen Anne [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 203      
Initial Cost        
Land and improvements $ 12,081      
Building / Construction in Progress & Improvements 41,618      
Costs Subsequent to Acquisition / Construction 752      
Total Cost        
Land 12,081      
Building / Construction in Progress & Improvements 42,370      
Total 54,451      
Accumulated Depreciation 12,078      
Total Cost, Net of Accumulated Depreciation 42,373 43,525    
Encumbrances $ 0      
Current Communities | AVA Ballard [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 265      
Initial Cost        
Land and improvements $ 16,460      
Building / Construction in Progress & Improvements 46,926      
Costs Subsequent to Acquisition / Construction 1,133      
Total Cost        
Land 16,460      
Building / Construction in Progress & Improvements 48,059      
Total 64,519      
Accumulated Depreciation 12,070      
Total Cost, Net of Accumulated Depreciation 52,449 54,231    
Encumbrances $ 0      
Current Communities | Avalon Alderwood I [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 367      
Initial Cost        
Land and improvements $ 12,294      
Building / Construction in Progress & Improvements 55,627      
Costs Subsequent to Acquisition / Construction 13      
Total Cost        
Land 12,294      
Building / Construction in Progress & Improvements 55,640      
Total 67,934      
Accumulated Depreciation 10,637      
Total Cost, Net of Accumulated Depreciation 57,297 59,340    
Encumbrances $ 0      
Current Communities | AVA Capitol Hill [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 249      
Initial Cost        
Land and improvements $ 20,613      
Building / Construction in Progress & Improvements 59,986      
Costs Subsequent to Acquisition / Construction 710      
Total Cost        
Land 20,613      
Building / Construction in Progress & Improvements 60,696      
Total 81,309      
Accumulated Depreciation 8,814      
Total Cost, Net of Accumulated Depreciation 72,495 74,790    
Encumbrances $ 0      
Current Communities | Avalon Esterra Park [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 482      
Initial Cost        
Land and improvements $ 23,177      
Building / Construction in Progress & Improvements 112,926      
Costs Subsequent to Acquisition / Construction 1,134      
Total Cost        
Land 23,177      
Building / Construction in Progress & Improvements 114,060      
Total 137,237      
Accumulated Depreciation 13,426      
Total Cost, Net of Accumulated Depreciation 123,811 127,407    
Encumbrances $ 0      
Current Communities | Avalon Alderwood II [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 124      
Initial Cost        
Land and improvements $ 5,072      
Building / Construction in Progress & Improvements 21,418      
Costs Subsequent to Acquisition / Construction 14      
Total Cost        
Land 5,072      
Building / Construction in Progress & Improvements 21,432      
Total 26,504      
Accumulated Depreciation 2,618      
Total Cost, Net of Accumulated Depreciation 23,886 24,589    
Encumbrances $ 0      
Current Communities | Avalon Newcastle Commons I [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 378      
Initial Cost        
Land and improvements $ 9,623      
Building / Construction in Progress & Improvements 111,624      
Costs Subsequent to Acquisition / Construction 696      
Total Cost        
Land 9,623      
Building / Construction in Progress & Improvements 112,320      
Total 121,943      
Accumulated Depreciation 9,953      
Total Cost, Net of Accumulated Depreciation 111,990 114,975    
Encumbrances $ 0      
Current Communities | Archstone Redmond Lakeview [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 166      
Initial Cost        
Land and improvements $ 10,250      
Building / Construction in Progress & Improvements 26,842      
Costs Subsequent to Acquisition / Construction 3,939      
Total Cost        
Land 10,250      
Building / Construction in Progress & Improvements 30,781      
Total 41,031      
Accumulated Depreciation 9,762      
Total Cost, Net of Accumulated Depreciation 31,269 32,528    
Encumbrances $ 0      
Current Communities | Avalon Campbell [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 348      
Initial Cost        
Land and improvements $ 11,830      
Building / Construction in Progress & Improvements 47,828      
Costs Subsequent to Acquisition / Construction 14,424      
Total Cost        
Land 11,830      
Building / Construction in Progress & Improvements 62,252      
Total 74,082      
Accumulated Depreciation 39,755      
Total Cost, Net of Accumulated Depreciation 34,327 36,004    
Encumbrances $ 0      
Current Communities | Eaves San Jose [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 440      
Initial Cost        
Land and improvements $ 12,920      
Building / Construction in Progress & Improvements 53,047      
Costs Subsequent to Acquisition / Construction 19,360      
Total Cost        
Land 12,920      
Building / Construction in Progress & Improvements 72,407      
Total 85,327      
Accumulated Depreciation 41,026      
Total Cost, Net of Accumulated Depreciation 44,301 46,388    
Encumbrances $ 0      
Current Communities | Avalon Silicon Valley [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 710      
Initial Cost        
Land and improvements $ 20,713      
Building / Construction in Progress & Improvements 99,573      
Costs Subsequent to Acquisition / Construction 35,209      
Total Cost        
Land 20,713      
Building / Construction in Progress & Improvements 134,782      
Total 155,495      
Accumulated Depreciation 81,161      
Total Cost, Net of Accumulated Depreciation 74,334 78,904    
Encumbrances $ 0      
Current Communities | Avalon Mountain View [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 248      
Initial Cost        
Land and improvements $ 9,755      
Building / Construction in Progress & Improvements 39,393      
Costs Subsequent to Acquisition / Construction 11,078      
Total Cost        
Land 9,755      
Building / Construction in Progress & Improvements 50,471      
Total 60,226      
Accumulated Depreciation 33,848      
Total Cost, Net of Accumulated Depreciation 26,378 27,559    
Encumbrances $ 0      
Current Communities | Eaves Creekside [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 296      
Initial Cost        
Land and improvements $ 6,546      
Building / Construction in Progress & Improvements 26,263      
Costs Subsequent to Acquisition / Construction 21,499      
Total Cost        
Land 6,546      
Building / Construction in Progress & Improvements 47,762      
Total 54,308      
Accumulated Depreciation 29,105      
Total Cost, Net of Accumulated Depreciation 25,203 26,680    
Encumbrances $ 0      
Current Communities | Avalon at Cahill Park [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 218      
Initial Cost        
Land and improvements $ 4,765      
Building / Construction in Progress & Improvements 47,600      
Costs Subsequent to Acquisition / Construction 2,741      
Total Cost        
Land 4,765      
Building / Construction in Progress & Improvements 50,341      
Total 55,106      
Accumulated Depreciation 29,729      
Total Cost, Net of Accumulated Depreciation 25,377 26,811    
Encumbrances $ 0      
Current Communities | Avalon Towers on the Peninsula [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 211      
Initial Cost        
Land and improvements $ 9,560      
Building / Construction in Progress & Improvements 56,136      
Costs Subsequent to Acquisition / Construction 14,742      
Total Cost        
Land 9,560      
Building / Construction in Progress & Improvements 70,878      
Total 80,438      
Accumulated Depreciation 36,656      
Total Cost, Net of Accumulated Depreciation 43,782 46,114    
Encumbrances $ 0      
Current Communities | Avalon Morrison Park [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 250      
Initial Cost        
Land and improvements $ 13,837      
Building / Construction in Progress & Improvements 64,534      
Costs Subsequent to Acquisition / Construction 272      
Total Cost        
Land 13,837      
Building / Construction in Progress & Improvements 64,806      
Total 78,643      
Accumulated Depreciation 13,520      
Total Cost, Net of Accumulated Depreciation 65,123 67,380    
Encumbrances $ 0      
Current Communities | Avalon Willow Glen [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 412      
Initial Cost        
Land and improvements $ 46,060      
Building / Construction in Progress & Improvements 81,957      
Costs Subsequent to Acquisition / Construction 6,627      
Total Cost        
Land 46,060      
Building / Construction in Progress & Improvements 88,584      
Total 134,644      
Accumulated Depreciation 26,842      
Total Cost, Net of Accumulated Depreciation 107,802 109,662    
Encumbrances $ 0      
Current Communities | Eaves Mountain View at Middlefield [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 402      
Initial Cost        
Land and improvements $ 64,070      
Building / Construction in Progress & Improvements 69,018      
Costs Subsequent to Acquisition / Construction 11,550      
Total Cost        
Land 64,070      
Building / Construction in Progress & Improvements 80,568      
Total 144,638      
Accumulated Depreciation 24,005      
Total Cost, Net of Accumulated Depreciation 120,633 118,299    
Encumbrances $ 0      
Current Communities | Avalon Fremont [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 308      
Initial Cost        
Land and improvements $ 10,746      
Building / Construction in Progress & Improvements 43,399      
Costs Subsequent to Acquisition / Construction 7,916      
Total Cost        
Land 10,746      
Building / Construction in Progress & Improvements 51,315      
Total 62,061      
Accumulated Depreciation 37,294      
Total Cost, Net of Accumulated Depreciation 24,767 26,254    
Encumbrances $ 0      
Current Communities | Eaves Dublin [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 204      
Initial Cost        
Land and improvements $ 5,276      
Building / Construction in Progress & Improvements 19,642      
Costs Subsequent to Acquisition / Construction 12,391      
Total Cost        
Land 5,276      
Building / Construction in Progress & Improvements 32,033      
Total 37,309      
Accumulated Depreciation 20,064      
Total Cost, Net of Accumulated Depreciation 17,245 18,331    
Encumbrances $ 0      
Current Communities | Eaves Pleasanton [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 456      
Initial Cost        
Land and improvements $ 11,610      
Building / Construction in Progress & Improvements 46,552      
Costs Subsequent to Acquisition / Construction 22,663      
Total Cost        
Land 11,610      
Building / Construction in Progress & Improvements 69,215      
Total 80,825      
Accumulated Depreciation 44,516      
Total Cost, Net of Accumulated Depreciation 36,309 37,873    
Encumbrances $ 0      
Current Communities | Eaves Union City [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 208      
Initial Cost        
Land and improvements $ 4,249      
Building / Construction in Progress & Improvements 16,820      
Costs Subsequent to Acquisition / Construction 4,153      
Total Cost        
Land 4,249      
Building / Construction in Progress & Improvements 20,973      
Total 25,222      
Accumulated Depreciation 15,186      
Total Cost, Net of Accumulated Depreciation 10,036 10,239    
Encumbrances $ 0      
Current Communities | Avalon Union City [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 439      
Initial Cost        
Land and improvements $ 14,732      
Building / Construction in Progress & Improvements 104,024      
Costs Subsequent to Acquisition / Construction 1,629      
Total Cost        
Land 14,732      
Building / Construction in Progress & Improvements 105,653      
Total 120,385      
Accumulated Depreciation 37,923      
Total Cost, Net of Accumulated Depreciation 82,462 86,365    
Encumbrances $ 0      
Current Communities | Avalon Walnut Creek [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 422      
Initial Cost        
Land and improvements $ 0      
Building / Construction in Progress & Improvements 148,469      
Costs Subsequent to Acquisition / Construction 5,781      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 154,250      
Total 154,250      
Accumulated Depreciation 49,458      
Total Cost, Net of Accumulated Depreciation 104,792 108,425    
Encumbrances $ 3,847      
Current Communities | Avalon Dublin Station [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 253      
Initial Cost        
Land and improvements $ 7,772      
Building / Construction in Progress & Improvements 72,142      
Costs Subsequent to Acquisition / Construction 589      
Total Cost        
Land 7,772      
Building / Construction in Progress & Improvements 72,731      
Total 80,503      
Accumulated Depreciation 14,903      
Total Cost, Net of Accumulated Depreciation 65,600 68,111    
Encumbrances $ 0      
Current Communities | Avalon Dublin Station II [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 252      
Initial Cost        
Land and improvements $ 7,762      
Building / Construction in Progress & Improvements 76,587      
Costs Subsequent to Acquisition / Construction (95)      
Total Cost        
Land 7,762      
Building / Construction in Progress & Improvements 76,492      
Total 84,254      
Accumulated Depreciation 10,198      
Total Cost, Net of Accumulated Depreciation 74,056 76,646    
Encumbrances $ 0      
Current Communities | Eaves Walnut Creek [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 510      
Initial Cost        
Land and improvements $ 30,320      
Building / Construction in Progress & Improvements 82,375      
Costs Subsequent to Acquisition / Construction 17,257      
Total Cost        
Land 30,320      
Building / Construction in Progress & Improvements 99,632      
Total 129,952      
Accumulated Depreciation 26,842      
Total Cost, Net of Accumulated Depreciation 103,110 106,654    
Encumbrances $ 0      
Current Communities | Avalon Walnut Ridge I [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 106      
Initial Cost        
Land and improvements $ 9,860      
Building / Construction in Progress & Improvements 19,850      
Costs Subsequent to Acquisition / Construction 5,480      
Total Cost        
Land 9,860      
Building / Construction in Progress & Improvements 25,330      
Total 35,190      
Accumulated Depreciation 6,766      
Total Cost, Net of Accumulated Depreciation 28,424 29,236    
Encumbrances $ 0      
Current Communities | Avalon Berkeley [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 94      
Initial Cost        
Land and improvements $ 4,500      
Building / Construction in Progress & Improvements 28,615      
Costs Subsequent to Acquisition / Construction 60      
Total Cost        
Land 4,500      
Building / Construction in Progress & Improvements 28,675      
Total 33,175      
Accumulated Depreciation 5,571      
Total Cost, Net of Accumulated Depreciation 27,604 28,623    
Encumbrances $ 0      
Current Communities | Eaves Daly City [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 195      
Initial Cost        
Land and improvements $ 4,230      
Building / Construction in Progress & Improvements 9,659      
Costs Subsequent to Acquisition / Construction 20,711      
Total Cost        
Land 4,230      
Building / Construction in Progress & Improvements 30,370      
Total 34,600      
Accumulated Depreciation 19,937      
Total Cost, Net of Accumulated Depreciation 14,663 15,718    
Encumbrances $ 0      
Current Communities | AVA Nob Hill [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 185      
Initial Cost        
Land and improvements $ 5,403      
Building / Construction in Progress & Improvements 21,567      
Costs Subsequent to Acquisition / Construction 8,108      
Total Cost        
Land 5,403      
Building / Construction in Progress & Improvements 29,675      
Total 35,078      
Accumulated Depreciation 19,251      
Total Cost, Net of Accumulated Depreciation 15,827 16,694    
Encumbrances $ 0      
Current Communities | Eaves San Rafael [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 254      
Initial Cost        
Land and improvements $ 5,982      
Building / Construction in Progress & Improvements 16,885      
Costs Subsequent to Acquisition / Construction 25,658      
Total Cost        
Land 5,982      
Building / Construction in Progress & Improvements 42,543      
Total 48,525      
Accumulated Depreciation 25,121      
Total Cost, Net of Accumulated Depreciation 23,404 24,472    
Encumbrances $ 0      
Current Communities | Eaves Foster City [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 288      
Initial Cost        
Land and improvements $ 7,852      
Building / Construction in Progress & Improvements 31,445      
Costs Subsequent to Acquisition / Construction 12,858      
Total Cost        
Land 7,852      
Building / Construction in Progress & Improvements 44,303      
Total 52,155      
Accumulated Depreciation 28,780      
Total Cost, Net of Accumulated Depreciation 23,375 24,620    
Encumbrances $ 0      
Current Communities | Eaves Pacifica [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 220      
Initial Cost        
Land and improvements $ 6,125      
Building / Construction in Progress & Improvements 24,796      
Costs Subsequent to Acquisition / Construction 4,121      
Total Cost        
Land 6,125      
Building / Construction in Progress & Improvements 28,917      
Total 35,042      
Accumulated Depreciation 20,812      
Total Cost, Net of Accumulated Depreciation 14,230 14,945    
Encumbrances $ 0      
Current Communities | Avalon Sunset Towers [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 243      
Initial Cost        
Land and improvements $ 3,561      
Building / Construction in Progress & Improvements 21,321      
Costs Subsequent to Acquisition / Construction 16,447      
Total Cost        
Land 3,561      
Building / Construction in Progress & Improvements 37,768      
Total 41,329      
Accumulated Depreciation 22,520      
Total Cost, Net of Accumulated Depreciation 18,809 19,981    
Encumbrances $ 0      
Current Communities | Eaves Diamond Heights [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 154      
Initial Cost        
Land and improvements $ 4,726      
Building / Construction in Progress & Improvements 19,130      
Costs Subsequent to Acquisition / Construction 6,691      
Total Cost        
Land 4,726      
Building / Construction in Progress & Improvements 25,821      
Total 30,547      
Accumulated Depreciation 17,124      
Total Cost, Net of Accumulated Depreciation 13,423 14,057    
Encumbrances $ 0      
Current Communities | Avalon at Mission Bay I [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 250      
Initial Cost        
Land and improvements $ 14,029      
Building / Construction in Progress & Improvements 78,452      
Costs Subsequent to Acquisition / Construction 8,817      
Total Cost        
Land 14,029      
Building / Construction in Progress & Improvements 87,269      
Total 101,298      
Accumulated Depreciation 47,906      
Total Cost, Net of Accumulated Depreciation 53,392 54,203    
Encumbrances $ 0      
Current Communities | Avalon at Mission Bay III [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 260      
Initial Cost        
Land and improvements $ 28,687      
Building / Construction in Progress & Improvements 119,156      
Costs Subsequent to Acquisition / Construction 717      
Total Cost        
Land 28,687      
Building / Construction in Progress & Improvements 119,873      
Total 148,560      
Accumulated Depreciation 42,981      
Total Cost, Net of Accumulated Depreciation 105,579 109,469    
Encumbrances $ 0      
Current Communities | Avalon Ocean Avenue [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 173      
Initial Cost        
Land and improvements $ 5,544      
Building / Construction in Progress & Improvements 50,906      
Costs Subsequent to Acquisition / Construction 2,064      
Total Cost        
Land 5,544      
Building / Construction in Progress & Improvements 52,970      
Total 58,514      
Accumulated Depreciation 14,405      
Total Cost, Net of Accumulated Depreciation 44,109 45,895    
Encumbrances $ 0      
Current Communities | AVA 55 Ninth [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 273      
Initial Cost        
Land and improvements $ 20,267      
Building / Construction in Progress & Improvements 97,321      
Costs Subsequent to Acquisition / Construction 853      
Total Cost        
Land 20,267      
Building / Construction in Progress & Improvements 98,174      
Total 118,441      
Accumulated Depreciation 20,090      
Total Cost, Net of Accumulated Depreciation 98,351 102,006    
Encumbrances $ 0      
Current Communities | Avalon Hayes Valley [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 182      
Initial Cost        
Land and improvements $ 12,595      
Building / Construction in Progress & Improvements 81,228      
Costs Subsequent to Acquisition / Construction 13      
Total Cost        
Land 12,595      
Building / Construction in Progress & Improvements 81,241      
Total 93,836      
Accumulated Depreciation 13,731      
Total Cost, Net of Accumulated Depreciation 80,105 83,030    
Encumbrances $ 0      
Current Communities | Avalon San Bruno I [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 300      
Initial Cost        
Land and improvements $ 40,780      
Building / Construction in Progress & Improvements 68,684      
Costs Subsequent to Acquisition / Construction 6,629      
Total Cost        
Land 40,780      
Building / Construction in Progress & Improvements 75,313      
Total 116,093      
Accumulated Depreciation 21,467      
Total Cost, Net of Accumulated Depreciation 94,626 97,372    
Encumbrances $ 64,450      
Current Communities | Avalon San Bruno II [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 185      
Initial Cost        
Land and improvements $ 23,787      
Building / Construction in Progress & Improvements 44,934      
Costs Subsequent to Acquisition / Construction 2,366      
Total Cost        
Land 23,787      
Building / Construction in Progress & Improvements 47,300      
Total 71,087      
Accumulated Depreciation 12,404      
Total Cost, Net of Accumulated Depreciation 58,683 59,911    
Encumbrances $ 28,435      
Current Communities | Avalon San Bruno III [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 187      
Initial Cost        
Land and improvements $ 33,303      
Building / Construction in Progress & Improvements 62,910      
Costs Subsequent to Acquisition / Construction 3,140      
Total Cost        
Land 33,303      
Building / Construction in Progress & Improvements 66,050      
Total 99,353      
Accumulated Depreciation 17,538      
Total Cost, Net of Accumulated Depreciation 81,815 84,113    
Encumbrances $ 50,825      
Current Communities | AVA Burbank [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 748      
Initial Cost        
Land and improvements $ 22,483      
Building / Construction in Progress & Improvements 28,104      
Costs Subsequent to Acquisition / Construction 50,163      
Total Cost        
Land 22,483      
Building / Construction in Progress & Improvements 78,267      
Total 100,750      
Accumulated Depreciation 46,263      
Total Cost, Net of Accumulated Depreciation 54,487 56,386    
Encumbrances $ 0      
Current Communities | Avalon Woodland Hills [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 663      
Initial Cost        
Land and improvements $ 23,828      
Building / Construction in Progress & Improvements 40,372      
Costs Subsequent to Acquisition / Construction 51,342      
Total Cost        
Land 23,828      
Building / Construction in Progress & Improvements 91,714      
Total 115,542      
Accumulated Depreciation 51,853      
Total Cost, Net of Accumulated Depreciation 63,689 65,519    
Encumbrances $ 0      
Current Communities | Eaves Warner Center [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 227      
Initial Cost        
Land and improvements $ 7,045      
Building / Construction in Progress & Improvements 12,986      
Costs Subsequent to Acquisition / Construction 11,761      
Total Cost        
Land 7,045      
Building / Construction in Progress & Improvements 24,747      
Total 31,792      
Accumulated Depreciation 17,535      
Total Cost, Net of Accumulated Depreciation 14,257 13,639    
Encumbrances $ 0      
Current Communities | Avalon Glendale [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 223      
Initial Cost        
Land and improvements $ 0      
Building / Construction in Progress & Improvements 42,564      
Costs Subsequent to Acquisition / Construction 2,668      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 45,232      
Total 45,232      
Accumulated Depreciation 25,118      
Total Cost, Net of Accumulated Depreciation 20,114 21,413    
Encumbrances $ 0      
Current Communities | Avalon Burbank [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 400      
Initial Cost        
Land and improvements $ 14,053      
Building / Construction in Progress & Improvements 56,827      
Costs Subsequent to Acquisition / Construction 25,544      
Total Cost        
Land 14,053      
Building / Construction in Progress & Improvements 82,371      
Total 96,424      
Accumulated Depreciation 43,153      
Total Cost, Net of Accumulated Depreciation 53,271 55,649    
Encumbrances $ 0      
Current Communities | Avalon Camarillo [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 249      
Initial Cost        
Land and improvements $ 8,446      
Building / Construction in Progress & Improvements 40,290      
Costs Subsequent to Acquisition / Construction 2,483      
Total Cost        
Land 8,446      
Building / Construction in Progress & Improvements 42,773      
Total 51,219      
Accumulated Depreciation 19,392      
Total Cost, Net of Accumulated Depreciation 31,827 32,091    
Encumbrances $ 0      
Current Communities | Avalon Wilshire [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 123      
Initial Cost        
Land and improvements $ 5,459      
Building / Construction in Progress & Improvements 41,182      
Costs Subsequent to Acquisition / Construction 4,407      
Total Cost        
Land 5,459      
Building / Construction in Progress & Improvements 45,589      
Total 51,048      
Accumulated Depreciation 18,785      
Total Cost, Net of Accumulated Depreciation 32,263 30,889    
Encumbrances $ 0      
Current Communities | Avalon Encino [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 131      
Initial Cost        
Land and improvements $ 12,789      
Building / Construction in Progress & Improvements 49,073      
Costs Subsequent to Acquisition / Construction 1,261      
Total Cost        
Land 12,789      
Building / Construction in Progress & Improvements 50,334      
Total 63,123      
Accumulated Depreciation 19,404      
Total Cost, Net of Accumulated Depreciation 43,719 45,443    
Encumbrances $ 0      
Current Communities | Avalon Warner Place [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 210      
Initial Cost        
Land and improvements $ 7,920      
Building / Construction in Progress & Improvements 44,845      
Costs Subsequent to Acquisition / Construction 1,085      
Total Cost        
Land 7,920      
Building / Construction in Progress & Improvements 45,930      
Total 53,850      
Accumulated Depreciation 18,264      
Total Cost, Net of Accumulated Depreciation 35,586 36,990    
Encumbrances $ 0      
Current Communities | AVA Little Tokyo [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 280      
Initial Cost        
Land and improvements $ 14,734      
Building / Construction in Progress & Improvements 94,001      
Costs Subsequent to Acquisition / Construction 1,627      
Total Cost        
Land 14,734      
Building / Construction in Progress & Improvements 95,628      
Total 110,362      
Accumulated Depreciation 17,701      
Total Cost, Net of Accumulated Depreciation 92,661 96,240    
Encumbrances $ 0      
Current Communities | Eaves Phillips Ranch [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 501      
Initial Cost        
Land and improvements $ 9,796      
Building / Construction in Progress & Improvements 41,740      
Costs Subsequent to Acquisition / Construction 4,049      
Total Cost        
Land 9,796      
Building / Construction in Progress & Improvements 45,789      
Total 55,585      
Accumulated Depreciation 13,963      
Total Cost, Net of Accumulated Depreciation 41,622 42,409    
Encumbrances $ 0      
Current Communities | Eaves San Dimas [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 102      
Initial Cost        
Land and improvements $ 1,916      
Building / Construction in Progress & Improvements 7,819      
Costs Subsequent to Acquisition / Construction 1,621      
Total Cost        
Land 1,916      
Building / Construction in Progress & Improvements 9,440      
Total 11,356      
Accumulated Depreciation 3,054      
Total Cost, Net of Accumulated Depreciation 8,302 8,572    
Encumbrances $ 0      
Current Communities | Eaves San Dimas Canyon [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 156      
Initial Cost        
Land and improvements $ 2,953      
Building / Construction in Progress & Improvements 12,428      
Costs Subsequent to Acquisition / Construction 1,068      
Total Cost        
Land 2,953      
Building / Construction in Progress & Improvements 13,496      
Total 16,449      
Accumulated Depreciation 4,236      
Total Cost, Net of Accumulated Depreciation 12,213 12,510    
Encumbrances $ 0      
Current Communities | AVA Pasadena [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 84      
Initial Cost        
Land and improvements $ 8,400      
Building / Construction in Progress & Improvements 11,547      
Costs Subsequent to Acquisition / Construction 5,664      
Total Cost        
Land 8,400      
Building / Construction in Progress & Improvements 17,211      
Total 25,611      
Accumulated Depreciation 4,475      
Total Cost, Net of Accumulated Depreciation 21,136 21,650    
Encumbrances $ 0      
Current Communities | Eaves Cerritos [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 151      
Initial Cost        
Land and improvements $ 8,305      
Building / Construction in Progress & Improvements 21,195      
Costs Subsequent to Acquisition / Construction 1,687      
Total Cost        
Land 8,305      
Building / Construction in Progress & Improvements 22,882      
Total 31,187      
Accumulated Depreciation 6,011      
Total Cost, Net of Accumulated Depreciation 25,176 25,823    
Encumbrances $ 0      
Current Communities | Avalon Playa Vista [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 309      
Initial Cost        
Land and improvements $ 30,900      
Building / Construction in Progress & Improvements 72,008      
Costs Subsequent to Acquisition / Construction 6,497      
Total Cost        
Land 30,900      
Building / Construction in Progress & Improvements 78,505      
Total 109,405      
Accumulated Depreciation 20,207      
Total Cost, Net of Accumulated Depreciation 89,198 88,951    
Encumbrances $ 0      
Current Communities | Avalon San Dimas [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 156      
Initial Cost        
Land and improvements $ 9,141      
Building / Construction in Progress & Improvements 30,726      
Costs Subsequent to Acquisition / Construction 92      
Total Cost        
Land 9,141      
Building / Construction in Progress & Improvements 30,818      
Total 39,959      
Accumulated Depreciation 6,044      
Total Cost, Net of Accumulated Depreciation 33,915 34,974    
Encumbrances $ 0      
Current Communities | Avalon Glendora [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 280      
Initial Cost        
Land and improvements $ 18,311      
Building / Construction in Progress & Improvements 64,303      
Costs Subsequent to Acquisition / Construction 468      
Total Cost        
Land 18,311      
Building / Construction in Progress & Improvements 64,771      
Total 83,082      
Accumulated Depreciation 9,735      
Total Cost, Net of Accumulated Depreciation 73,347 75,932    
Encumbrances $ 0      
Current Communities | Avalon West Hollywood [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 294      
Initial Cost        
Land and improvements $ 35,214      
Building / Construction in Progress & Improvements 118,341      
Costs Subsequent to Acquisition / Construction 1,258      
Total Cost        
Land 35,214      
Building / Construction in Progress & Improvements 119,599      
Total 154,813      
Accumulated Depreciation 11,290      
Total Cost, Net of Accumulated Depreciation 143,523 146,362    
Encumbrances $ 0      
Current Communities | Avalon Mission Oaks [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 160      
Initial Cost        
Land and improvements $ 9,600      
Building / Construction in Progress & Improvements 37,602      
Costs Subsequent to Acquisition / Construction 1,560      
Total Cost        
Land 9,600      
Building / Construction in Progress & Improvements 39,162      
Total 48,762      
Accumulated Depreciation 8,623      
Total Cost, Net of Accumulated Depreciation 40,139 41,401    
Encumbrances $ 0      
Current Communities | Avalon Chino Hills [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 331      
Initial Cost        
Land and improvements $ 16,617      
Building / Construction in Progress & Improvements 80,869      
Costs Subsequent to Acquisition / Construction 31      
Total Cost        
Land 16,617      
Building / Construction in Progress & Improvements 80,900      
Total 97,517      
Accumulated Depreciation 7,948      
Total Cost, Net of Accumulated Depreciation 89,569 93,911    
Encumbrances $ 0      
Current Communities | AVA North Hollywood [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 156      
Initial Cost        
Land and improvements $ 18,408      
Building / Construction in Progress & Improvements 52,280      
Costs Subsequent to Acquisition / Construction 1,982      
Total Cost        
Land 18,408      
Building / Construction in Progress & Improvements 54,262      
Total 72,670      
Accumulated Depreciation 7,968      
Total Cost, Net of Accumulated Depreciation 64,702 66,616    
Encumbrances $ 0      
Current Communities | Avalon Simi Valley [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 500      
Initial Cost        
Land and improvements $ 42,020      
Building / Construction in Progress & Improvements 73,361      
Costs Subsequent to Acquisition / Construction 5,546      
Total Cost        
Land 42,020      
Building / Construction in Progress & Improvements 78,907      
Total 120,927      
Accumulated Depreciation 23,115      
Total Cost, Net of Accumulated Depreciation 97,812 100,379    
Encumbrances $ 0      
Current Communities | AVA Studio City II [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 101      
Initial Cost        
Land and improvements $ 4,626      
Building / Construction in Progress & Improvements 22,954      
Costs Subsequent to Acquisition / Construction 7,473      
Total Cost        
Land 4,626      
Building / Construction in Progress & Improvements 30,427      
Total 35,053      
Accumulated Depreciation 7,512      
Total Cost, Net of Accumulated Depreciation 27,541 28,500    
Encumbrances $ 0      
Current Communities | Avalon Calabasas [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 600      
Initial Cost        
Land and improvements $ 42,720      
Building / Construction in Progress & Improvements 107,642      
Costs Subsequent to Acquisition / Construction 19,098      
Total Cost        
Land 42,720      
Building / Construction in Progress & Improvements 126,740      
Total 169,460      
Accumulated Depreciation 38,863      
Total Cost, Net of Accumulated Depreciation 130,597 128,594    
Encumbrances $ 0      
Current Communities | Avalon Oak Creek [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 336      
Initial Cost        
Land and improvements $ 43,540      
Building / Construction in Progress & Improvements 79,974      
Costs Subsequent to Acquisition / Construction 6,724      
Total Cost        
Land 43,540      
Building / Construction in Progress & Improvements 86,698      
Total 130,238      
Accumulated Depreciation 28,991      
Total Cost, Net of Accumulated Depreciation 101,247 104,704    
Encumbrances $ 0      
Current Communities | Avalon Santa Monica on Main [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 133      
Initial Cost        
Land and improvements $ 32,000      
Building / Construction in Progress & Improvements 60,770      
Costs Subsequent to Acquisition / Construction 13,583      
Total Cost        
Land 32,000      
Building / Construction in Progress & Improvements 74,353      
Total 106,353      
Accumulated Depreciation 19,080      
Total Cost, Net of Accumulated Depreciation 87,273 89,640    
Encumbrances $ 0      
Current Communities | Avalon Del Mar Station [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 347      
Initial Cost        
Land and improvements $ 20,560      
Building / Construction in Progress & Improvements 106,556      
Costs Subsequent to Acquisition / Construction 4,234      
Total Cost        
Land 20,560      
Building / Construction in Progress & Improvements 110,790      
Total 131,350      
Accumulated Depreciation 28,307      
Total Cost, Net of Accumulated Depreciation 103,043 106,735    
Encumbrances $ 0      
Current Communities | Eaves Old Town Pasadena [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 96      
Initial Cost        
Land and improvements $ 9,110      
Building / Construction in Progress & Improvements 15,371      
Costs Subsequent to Acquisition / Construction 7,146      
Total Cost        
Land 9,110      
Building / Construction in Progress & Improvements 22,517      
Total 31,627      
Accumulated Depreciation 5,897      
Total Cost, Net of Accumulated Depreciation 25,730 26,562    
Encumbrances $ 0      
Current Communities | Eaves Thousand Oaks [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 154      
Initial Cost        
Land and improvements $ 13,950      
Building / Construction in Progress & Improvements 20,211      
Costs Subsequent to Acquisition / Construction 5,131      
Total Cost        
Land 13,950      
Building / Construction in Progress & Improvements 25,342      
Total 39,292      
Accumulated Depreciation 8,508      
Total Cost, Net of Accumulated Depreciation 30,784 29,739    
Encumbrances $ 0      
Current Communities | Eaves Woodland Hills [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 883      
Initial Cost        
Land and improvements $ 68,940      
Building / Construction in Progress & Improvements 90,549      
Costs Subsequent to Acquisition / Construction 12,931      
Total Cost        
Land 68,940      
Building / Construction in Progress & Improvements 103,480      
Total 172,420      
Accumulated Depreciation 34,313      
Total Cost, Net of Accumulated Depreciation 138,107 141,534    
Encumbrances $ 111,500      
Current Communities | Avalon Thousand Oaks Plaza [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 148      
Initial Cost        
Land and improvements $ 12,810      
Building / Construction in Progress & Improvements 22,581      
Costs Subsequent to Acquisition / Construction 2,609      
Total Cost        
Land 12,810      
Building / Construction in Progress & Improvements 25,190      
Total 38,000      
Accumulated Depreciation 8,251      
Total Cost, Net of Accumulated Depreciation 29,749 30,731    
Encumbrances $ 0      
Current Communities | Avalon Pasadena [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 120      
Initial Cost        
Land and improvements $ 10,240      
Building / Construction in Progress & Improvements 31,558      
Costs Subsequent to Acquisition / Construction 6,792      
Total Cost        
Land 10,240      
Building / Construction in Progress & Improvements 38,350      
Total 48,590      
Accumulated Depreciation 10,028      
Total Cost, Net of Accumulated Depreciation 38,562 39,850    
Encumbrances $ 0      
Current Communities | AVA Studio City I [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 450      
Initial Cost        
Land and improvements $ 17,658      
Building / Construction in Progress & Improvements 90,715      
Costs Subsequent to Acquisition / Construction 35,175      
Total Cost        
Land 17,658      
Building / Construction in Progress & Improvements 125,890      
Total 143,548      
Accumulated Depreciation 29,941      
Total Cost, Net of Accumulated Depreciation 113,607 116,925    
Encumbrances $ 0      
Current Communities | AVA Newport [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 145      
Initial Cost        
Land and improvements $ 1,975      
Building / Construction in Progress & Improvements 3,814      
Costs Subsequent to Acquisition / Construction 9,973      
Total Cost        
Land 1,975      
Building / Construction in Progress & Improvements 13,787      
Total 15,762      
Accumulated Depreciation 7,965      
Total Cost, Net of Accumulated Depreciation 7,797 8,194    
Encumbrances $ 0      
Current Communities | Eaves Mission Viejo [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 166      
Initial Cost        
Land and improvements $ 2,517      
Building / Construction in Progress & Improvements 9,257      
Costs Subsequent to Acquisition / Construction 4,012      
Total Cost        
Land 2,517      
Building / Construction in Progress & Improvements 13,269      
Total 15,786      
Accumulated Depreciation 9,720      
Total Cost, Net of Accumulated Depreciation 6,066 6,250    
Encumbrances $ 0      
Current Communities | Eaves South Coast [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 258      
Initial Cost        
Land and improvements $ 4,709      
Building / Construction in Progress & Improvements 16,063      
Costs Subsequent to Acquisition / Construction 13,810      
Total Cost        
Land 4,709      
Building / Construction in Progress & Improvements 29,873      
Total 34,582      
Accumulated Depreciation 18,909      
Total Cost, Net of Accumulated Depreciation 15,673 16,526    
Encumbrances $ 0      
Current Communities | Eaves Santa Margarita [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 301      
Initial Cost        
Land and improvements $ 4,607      
Building / Construction in Progress & Improvements 16,911      
Costs Subsequent to Acquisition / Construction 11,609      
Total Cost        
Land 4,607      
Building / Construction in Progress & Improvements 28,520      
Total 33,127      
Accumulated Depreciation 17,920      
Total Cost, Net of Accumulated Depreciation 15,207 15,855    
Encumbrances $ 0      
Current Communities | Eaves Huntington Beach [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 304      
Initial Cost        
Land and improvements $ 4,871      
Building / Construction in Progress & Improvements 19,745      
Costs Subsequent to Acquisition / Construction 11,310      
Total Cost        
Land 4,871      
Building / Construction in Progress & Improvements 31,055      
Total 35,926      
Accumulated Depreciation 22,269      
Total Cost, Net of Accumulated Depreciation 13,657 14,626    
Encumbrances $ 0      
Current Communities | Avalon Irvine I [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 279      
Initial Cost        
Land and improvements $ 9,911      
Building / Construction in Progress & Improvements 67,520      
Costs Subsequent to Acquisition / Construction 1,882      
Total Cost        
Land 9,911      
Building / Construction in Progress & Improvements 69,402      
Total 79,313      
Accumulated Depreciation 24,446      
Total Cost, Net of Accumulated Depreciation 54,867 56,970    
Encumbrances $ 0      
Current Communities | Avalon Irvine II [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 179      
Initial Cost        
Land and improvements $ 4,358      
Building / Construction in Progress & Improvements 40,905      
Costs Subsequent to Acquisition / Construction 360      
Total Cost        
Land 4,358      
Building / Construction in Progress & Improvements 41,265      
Total 45,623      
Accumulated Depreciation 10,227      
Total Cost, Net of Accumulated Depreciation 35,396 36,611    
Encumbrances $ 0      
Current Communities | Eaves Lake Forest [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 225      
Initial Cost        
Land and improvements $ 5,199      
Building / Construction in Progress & Improvements 21,134      
Costs Subsequent to Acquisition / Construction 4,127      
Total Cost        
Land 5,199      
Building / Construction in Progress & Improvements 25,261      
Total 30,460      
Accumulated Depreciation 7,416      
Total Cost, Net of Accumulated Depreciation 23,044 23,402    
Encumbrances $ 0      
Current Communities | Avalon Baker Ranch [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 430      
Initial Cost        
Land and improvements $ 31,689      
Building / Construction in Progress & Improvements 98,004      
Costs Subsequent to Acquisition / Construction 57      
Total Cost        
Land 31,689      
Building / Construction in Progress & Improvements 98,061      
Total 129,750      
Accumulated Depreciation 16,581      
Total Cost, Net of Accumulated Depreciation 113,169 117,107    
Encumbrances $ 0      
Current Communities | Avalon Irvine III [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 156      
Initial Cost        
Land and improvements $ 11,607      
Building / Construction in Progress & Improvements 43,973      
Costs Subsequent to Acquisition / Construction 52      
Total Cost        
Land 11,607      
Building / Construction in Progress & Improvements 44,025      
Total 55,632      
Accumulated Depreciation 6,051      
Total Cost, Net of Accumulated Depreciation 49,581 51,155    
Encumbrances $ 0      
Current Communities | Avalon Huntington Beach [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 378      
Initial Cost        
Land and improvements $ 13,055      
Building / Construction in Progress & Improvements 105,981      
Costs Subsequent to Acquisition / Construction 447      
Total Cost        
Land 13,055      
Building / Construction in Progress & Improvements 106,428      
Total 119,483      
Accumulated Depreciation 12,707      
Total Cost, Net of Accumulated Depreciation 106,776 110,582    
Encumbrances $ 0      
Current Communities | AVA Pacific Beach [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 564      
Initial Cost        
Land and improvements $ 9,922      
Building / Construction in Progress & Improvements 40,580      
Costs Subsequent to Acquisition / Construction 41,759      
Total Cost        
Land 9,922      
Building / Construction in Progress & Improvements 82,339      
Total 92,261      
Accumulated Depreciation 46,921      
Total Cost, Net of Accumulated Depreciation 45,340 47,454    
Encumbrances $ 0      
Current Communities | Eaves Mission Ridge [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 200      
Initial Cost        
Land and improvements $ 2,710      
Building / Construction in Progress & Improvements 10,924      
Costs Subsequent to Acquisition / Construction 13,343      
Total Cost        
Land 2,710      
Building / Construction in Progress & Improvements 24,267      
Total 26,977      
Accumulated Depreciation 16,506      
Total Cost, Net of Accumulated Depreciation 10,471 10,565    
Encumbrances $ 0      
Current Communities | AVA Cortez Hill [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 299      
Initial Cost        
Land and improvements $ 2,768      
Building / Construction in Progress & Improvements 20,134      
Costs Subsequent to Acquisition / Construction 24,690      
Total Cost        
Land 2,768      
Building / Construction in Progress & Improvements 44,824      
Total 47,592      
Accumulated Depreciation 26,580      
Total Cost, Net of Accumulated Depreciation 21,012 21,874    
Encumbrances $ 0      
Current Communities | Eaves San Marcos [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 184      
Initial Cost        
Land and improvements $ 3,277      
Building / Construction in Progress & Improvements 13,385      
Costs Subsequent to Acquisition / Construction 5,089      
Total Cost        
Land 3,277      
Building / Construction in Progress & Improvements 18,474      
Total 21,751      
Accumulated Depreciation 4,951      
Total Cost, Net of Accumulated Depreciation 16,800 16,912    
Encumbrances $ 0      
Current Communities | Eaves Rancho Penasquitos [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 250      
Initial Cost        
Land and improvements $ 6,692      
Building / Construction in Progress & Improvements 27,143      
Costs Subsequent to Acquisition / Construction 4,887      
Total Cost        
Land 6,692      
Building / Construction in Progress & Improvements 32,030      
Total 38,722      
Accumulated Depreciation 9,637      
Total Cost, Net of Accumulated Depreciation 29,085 30,025    
Encumbrances $ 0      
Current Communities | Avalon Vista [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 221      
Initial Cost        
Land and improvements $ 12,689      
Building / Construction in Progress & Improvements 43,328      
Costs Subsequent to Acquisition / Construction 260      
Total Cost        
Land 12,689      
Building / Construction in Progress & Improvements 43,588      
Total 56,277      
Accumulated Depreciation 7,415      
Total Cost, Net of Accumulated Depreciation 48,862 50,349    
Encumbrances $ 0      
Current Communities | Eaves La Mesa [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 168      
Initial Cost        
Land and improvements $ 9,490      
Building / Construction in Progress & Improvements 28,482      
Costs Subsequent to Acquisition / Construction 3,057      
Total Cost        
Land 9,490      
Building / Construction in Progress & Improvements 31,539      
Total 41,029      
Accumulated Depreciation 10,149      
Total Cost, Net of Accumulated Depreciation 30,880 32,148    
Encumbrances $ 0      
Current Communities | Avalon La Jolla Colony [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 180      
Initial Cost        
Land and improvements $ 16,760      
Building / Construction in Progress & Improvements 27,694      
Costs Subsequent to Acquisition / Construction 12,492      
Total Cost        
Land 16,760      
Building / Construction in Progress & Improvements 40,186      
Total 56,946      
Accumulated Depreciation 11,322      
Total Cost, Net of Accumulated Depreciation 45,624 46,859    
Encumbrances $ 0      
Current Communities | Avalon on the Alameda [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 305      
Initial Cost        
Land and improvements $ 6,119      
Building / Construction in Progress & Improvements 50,225      
Costs Subsequent to Acquisition / Construction 12,959      
Total Cost        
Land 6,119      
Building / Construction in Progress & Improvements 63,184      
Total 69,303      
Accumulated Depreciation 38,457      
Total Cost, Net of Accumulated Depreciation 30,846 32,629    
Encumbrances $ 0      
Current Communities | Eaves Fremont [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 235      
Initial Cost        
Land and improvements $ 6,581      
Building / Construction in Progress & Improvements 26,583      
Costs Subsequent to Acquisition / Construction 10,626      
Total Cost        
Land 6,581      
Building / Construction in Progress & Improvements 37,209      
Total 43,790      
Accumulated Depreciation 25,065      
Total Cost, Net of Accumulated Depreciation 18,725 19,632    
Encumbrances $ 0      
Current Communities | Avalon Dogpatch [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 326      
Initial Cost        
Land and improvements $ 23,523      
Building / Construction in Progress & Improvements 179,915      
Costs Subsequent to Acquisition / Construction 172      
Total Cost        
Land 23,523      
Building / Construction in Progress & Improvements 180,087      
Total 203,610      
Accumulated Depreciation 13,403      
Total Cost, Net of Accumulated Depreciation 190,207 196,411    
Encumbrances $ 0      
Current Communities | Avalon Cerritos [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 132      
Initial Cost        
Land and improvements $ 8,869      
Building / Construction in Progress & Improvements 51,257      
Costs Subsequent to Acquisition / Construction 646      
Total Cost        
Land 8,869      
Building / Construction in Progress & Improvements 51,903      
Total 60,772      
Accumulated Depreciation 1,993      
Total Cost, Net of Accumulated Depreciation 58,779      
Encumbrances $ 30,250      
Current Communities | Avalon Studio City [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 276      
Initial Cost        
Land and improvements $ 15,756      
Building / Construction in Progress & Improvements 78,178      
Costs Subsequent to Acquisition / Construction 16,766      
Total Cost        
Land 15,756      
Building / Construction in Progress & Improvements 94,944      
Total 110,700      
Accumulated Depreciation 23,815      
Total Cost, Net of Accumulated Depreciation 86,885 85,686    
Encumbrances $ 0      
Current Communities | Eaves Los Feliz [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 263      
Initial Cost        
Land and improvements $ 18,940      
Building / Construction in Progress & Improvements 43,661      
Costs Subsequent to Acquisition / Construction 11,952      
Total Cost        
Land 18,940      
Building / Construction in Progress & Improvements 55,613      
Total 74,553      
Accumulated Depreciation 14,427      
Total Cost, Net of Accumulated Depreciation 60,126 59,572    
Encumbrances $ 41,400      
Current Communities | Eaves West Valley [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 873      
Initial Cost        
Land and improvements $ 90,890      
Building / Construction in Progress & Improvements 132,040      
Costs Subsequent to Acquisition / Construction 11,081      
Total Cost        
Land 90,890      
Building / Construction in Progress & Improvements 143,121      
Total 234,011      
Accumulated Depreciation 42,572      
Total Cost, Net of Accumulated Depreciation 191,439 197,477    
Encumbrances $ 0      
Current Communities | Eaves Seal Beach [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 549      
Initial Cost        
Land and improvements $ 46,790      
Building / Construction in Progress & Improvements 99,999      
Costs Subsequent to Acquisition / Construction 36,411      
Total Cost        
Land 46,790      
Building / Construction in Progress & Improvements 136,410      
Total 183,200      
Accumulated Depreciation 31,336      
Total Cost, Net of Accumulated Depreciation 151,864 140,068    
Encumbrances $ 0      
Current Communities | AVA Toluca Hills [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 1,151      
Initial Cost        
Land and improvements $ 86,450      
Building / Construction in Progress & Improvements 161,256      
Costs Subsequent to Acquisition / Construction 88,985      
Total Cost        
Land 86,450      
Building / Construction in Progress & Improvements 250,241      
Total 336,691      
Accumulated Depreciation 57,214      
Total Cost, Net of Accumulated Depreciation 279,477 281,860    
Encumbrances $ 0      
Current Communities | Avalon Walnut Ridge II [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 360      
Initial Cost        
Land and improvements $ 27,190      
Building / Construction in Progress & Improvements 57,041      
Costs Subsequent to Acquisition / Construction 13,722      
Total Cost        
Land 27,190      
Building / Construction in Progress & Improvements 70,763      
Total 97,953      
Accumulated Depreciation 19,089      
Total Cost, Net of Accumulated Depreciation 78,864 80,666    
Encumbrances $ 0      
Current Communities | Avalon Denver West [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 252      
Initial Cost        
Land and improvements $ 8,047      
Building / Construction in Progress & Improvements 67,394      
Costs Subsequent to Acquisition / Construction 2,072      
Total Cost        
Land 8,047      
Building / Construction in Progress & Improvements 69,466      
Total 77,513      
Accumulated Depreciation 8,240      
Total Cost, Net of Accumulated Depreciation 69,273 71,812    
Encumbrances $ 0      
Current Communities | Avalon Meadows at Castle Rock        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 240      
Initial Cost        
Land and improvements $ 8,527      
Building / Construction in Progress & Improvements 64,054      
Costs Subsequent to Acquisition / Construction 854      
Total Cost        
Land 8,527      
Building / Construction in Progress & Improvements 64,908      
Total 73,435      
Accumulated Depreciation 4,169      
Total Cost, Net of Accumulated Depreciation 69,266 72,672    
Encumbrances $ 0      
Current Communities | Avalon Red Rocks        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 256      
Initial Cost        
Land and improvements $ 4,461      
Building / Construction in Progress & Improvements 69,717      
Costs Subsequent to Acquisition / Construction 1,515      
Total Cost        
Land 4,461      
Building / Construction in Progress & Improvements 71,232      
Total 75,693      
Accumulated Depreciation 5,089      
Total Cost, Net of Accumulated Depreciation 70,604 74,563    
Encumbrances $ 0      
Current Communities | Avalon Southlands [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 338      
Initial Cost        
Land and improvements $ 5,101      
Building / Construction in Progress & Improvements 84,970      
Costs Subsequent to Acquisition / Construction 1,521      
Total Cost        
Land 5,101      
Building / Construction in Progress & Improvements 86,491      
Total 91,592      
Accumulated Depreciation 4,777      
Total Cost, Net of Accumulated Depreciation 86,815      
Encumbrances $ 0      
Current Communities | Avalon New Canaan [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 104      
Initial Cost        
Land and improvements $ 4,834      
Building / Construction in Progress & Improvements 22,990      
Costs Subsequent to Acquisition / Construction 6,368      
Total Cost        
Land 4,834      
Building / Construction in Progress & Improvements 29,358      
Total 34,192      
Accumulated Depreciation 15,412      
Total Cost, Net of Accumulated Depreciation 18,780 15,876    
Encumbrances $ 0      
Current Communities | Avalon Darien [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 189      
Initial Cost        
Land and improvements $ 6,926      
Building / Construction in Progress & Improvements 34,558      
Costs Subsequent to Acquisition / Construction 8,968      
Total Cost        
Land 6,926      
Building / Construction in Progress & Improvements 43,526      
Total 50,452      
Accumulated Depreciation 21,189      
Total Cost, Net of Accumulated Depreciation 29,263 25,087    
Encumbrances $ 0      
Current Communities | Avalon Shelton [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 250      
Initial Cost        
Land and improvements $ 7,749      
Building / Construction in Progress & Improvements 40,366      
Costs Subsequent to Acquisition / Construction 297      
Total Cost        
Land 7,749      
Building / Construction in Progress & Improvements 40,663      
Total 48,412      
Accumulated Depreciation 9,485      
Total Cost, Net of Accumulated Depreciation 38,927 40,174    
Encumbrances $ 0      
Current Communities | AVA Van Ness [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 269      
Initial Cost        
Land and improvements $ 22,890      
Building / Construction in Progress & Improvements 58,691      
Costs Subsequent to Acquisition / Construction 20,196      
Total Cost        
Land 22,890      
Building / Construction in Progress & Improvements 78,887      
Total 101,777      
Accumulated Depreciation 19,107      
Total Cost, Net of Accumulated Depreciation 82,670 83,096    
Encumbrances $ 0      
Current Communities | AVA NoMa [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 438      
Initial Cost        
Land and improvements $ 25,246      
Building / Construction in Progress & Improvements 114,932      
Costs Subsequent to Acquisition / Construction 816      
Total Cost        
Land 25,246      
Building / Construction in Progress & Improvements 115,748      
Total 140,994      
Accumulated Depreciation 12,357      
Total Cost, Net of Accumulated Depreciation 128,637 133,028    
Encumbrances $ 0      
Current Communities | 850 Boca [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 370      
Initial Cost        
Land and improvements $ 21,430      
Building / Construction in Progress & Improvements 114,085      
Costs Subsequent to Acquisition / Construction 3,830      
Total Cost        
Land 21,430      
Building / Construction in Progress & Improvements 117,915      
Total 139,345      
Accumulated Depreciation 12,836      
Total Cost, Net of Accumulated Depreciation 126,509 130,932    
Encumbrances $ 0      
Current Communities | The Alexander & Alexander Lofts        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 290      
Initial Cost        
Land and improvements $ 9,597      
Building / Construction in Progress & Improvements 90,950      
Costs Subsequent to Acquisition / Construction 2,951      
Total Cost        
Land 9,597      
Building / Construction in Progress & Improvements 93,901      
Total 103,498      
Accumulated Depreciation 7,192      
Total Cost, Net of Accumulated Depreciation 96,306 101,387    
Encumbrances $ 0      
Current Communities | Avalon Bonterra [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 314      
Initial Cost        
Land and improvements $ 16,655      
Building / Construction in Progress & Improvements 70,814      
Costs Subsequent to Acquisition / Construction 2,860      
Total Cost        
Land 16,655      
Building / Construction in Progress & Improvements 73,674      
Total 90,329      
Accumulated Depreciation 3,395      
Total Cost, Net of Accumulated Depreciation 86,934      
Encumbrances $ 0      
Current Communities | Avalon Toscana [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 240      
Initial Cost        
Land and improvements $ 9,213      
Building / Construction in Progress & Improvements 49,688      
Costs Subsequent to Acquisition / Construction 1,544      
Total Cost        
Land 9,213      
Building / Construction in Progress & Improvements 51,232      
Total 60,445      
Accumulated Depreciation 228      
Total Cost, Net of Accumulated Depreciation 60,217      
Encumbrances $ 0      
Current Communities | Avalon at Newton Highlands [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 294      
Initial Cost        
Land and improvements $ 11,039      
Building / Construction in Progress & Improvements 45,547      
Costs Subsequent to Acquisition / Construction 17,047      
Total Cost        
Land 11,039      
Building / Construction in Progress & Improvements 62,594      
Total 73,633      
Accumulated Depreciation 30,717      
Total Cost, Net of Accumulated Depreciation 42,916 45,028    
Encumbrances $ 0      
Current Communities | Avalon at Prudential Center II [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 266      
Initial Cost        
Land and improvements $ 8,776      
Building / Construction in Progress & Improvements 35,496      
Costs Subsequent to Acquisition / Construction 61,204      
Total Cost        
Land 8,776      
Building / Construction in Progress & Improvements 96,700      
Total 105,476      
Accumulated Depreciation 39,217      
Total Cost, Net of Accumulated Depreciation 66,259 67,595    
Encumbrances $ 0      
Current Communities | Avalon North Station [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 503      
Initial Cost        
Land and improvements $ 22,796      
Building / Construction in Progress & Improvements 247,118      
Costs Subsequent to Acquisition / Construction 778      
Total Cost        
Land 22,796      
Building / Construction in Progress & Improvements 247,896      
Total 270,692      
Accumulated Depreciation 23,496      
Total Cost, Net of Accumulated Depreciation 247,196 255,638    
Encumbrances $ 0      
Current Communities | Avalon Easton [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 290      
Initial Cost        
Land and improvements $ 3,170      
Building / Construction in Progress & Improvements 60,838      
Costs Subsequent to Acquisition / Construction 0      
Total Cost        
Land 3,170      
Building / Construction in Progress & Improvements 60,838      
Total 64,008      
Accumulated Depreciation 5,348      
Total Cost, Net of Accumulated Depreciation 58,660 60,485    
Encumbrances $ 0      
Current Communities | AVA Wheaton [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 319      
Initial Cost        
Land and improvements $ 6,494      
Building / Construction in Progress & Improvements 69,025      
Costs Subsequent to Acquisition / Construction 0      
Total Cost        
Land 6,494      
Building / Construction in Progress & Improvements 69,025      
Total 75,519      
Accumulated Depreciation 6,011      
Total Cost, Net of Accumulated Depreciation 69,508 72,130    
Encumbrances $ 0      
Current Communities | AVA North Point        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 265      
Initial Cost        
Land and improvements $ 31,263      
Building / Construction in Progress & Improvements 81,597      
Costs Subsequent to Acquisition / Construction 2,655      
Total Cost        
Land 31,263      
Building / Construction in Progress & Improvements 84,252      
Total 115,515      
Accumulated Depreciation 506      
Total Cost, Net of Accumulated Depreciation 115,009      
Encumbrances      
Current Communities | Avalon Arundel Crossing        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 310      
Initial Cost        
Land and improvements $ 12,208      
Building / Construction in Progress & Improvements 69,386      
Costs Subsequent to Acquisition / Construction 3,043      
Total Cost        
Land 12,208      
Building / Construction in Progress & Improvements 72,429      
Total 84,637      
Accumulated Depreciation 6,384      
Total Cost, Net of Accumulated Depreciation 78,253 82,036    
Encumbrances $ 0      
Current Communities | Portico at Silver Spring Metro [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 151      
Initial Cost        
Land and improvements $ 3,471      
Building / Construction in Progress & Improvements 40,079      
Costs Subsequent to Acquisition / Construction 805      
Total Cost        
Land 3,471      
Building / Construction in Progress & Improvements 40,884      
Total 44,355      
Accumulated Depreciation 1,277      
Total Cost, Net of Accumulated Depreciation 43,078      
Encumbrances $ 0      
Current Communities | Avalon at Florham Park [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 270      
Initial Cost        
Land and improvements $ 6,647      
Building / Construction in Progress & Improvements 34,906      
Costs Subsequent to Acquisition / Construction 16,287      
Total Cost        
Land 6,647      
Building / Construction in Progress & Improvements 51,193      
Total 57,840      
Accumulated Depreciation 27,009      
Total Cost, Net of Accumulated Depreciation 30,831 32,680    
Encumbrances $ 0      
Current Communities | Avalon Maplewood        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 235      
Initial Cost        
Land and improvements $ 15,179      
Building / Construction in Progress & Improvements 49,558      
Costs Subsequent to Acquisition / Construction 0      
Total Cost        
Land 15,179      
Building / Construction in Progress & Improvements 49,558      
Total 64,737      
Accumulated Depreciation 4,093      
Total Cost, Net of Accumulated Depreciation 60,644 62,608    
Encumbrances $ 0      
Current Communities | Avalon at Edgewater II [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 240      
Initial Cost        
Land and improvements $ 8,605      
Building / Construction in Progress & Improvements 60,251      
Costs Subsequent to Acquisition / Construction 0      
Total Cost        
Land 8,605      
Building / Construction in Progress & Improvements 60,251      
Total 68,856      
Accumulated Depreciation 3,609      
Total Cost, Net of Accumulated Depreciation 65,247 66,093    
Encumbrances $ 0      
Current Communities | Avalon Willow [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 229      
Initial Cost        
Land and improvements $ 6,207      
Building / Construction in Progress & Improvements 40,791      
Costs Subsequent to Acquisition / Construction 15,652      
Total Cost        
Land 6,207      
Building / Construction in Progress & Improvements 56,443      
Total 62,650      
Accumulated Depreciation 30,770      
Total Cost, Net of Accumulated Depreciation 31,880 33,232    
Encumbrances $ 0      
Current Communities | Avalon Melville [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 494      
Initial Cost        
Land and improvements $ 9,228      
Building / Construction in Progress & Improvements 50,063      
Costs Subsequent to Acquisition / Construction 22,445      
Total Cost        
Land 9,228      
Building / Construction in Progress & Improvements 72,508      
Total 81,736      
Accumulated Depreciation 40,857      
Total Cost, Net of Accumulated Depreciation 40,879 36,100    
Encumbrances $ 0      
Current Communities | Avalon Brooklyn Bay        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 180      
Initial Cost        
Land and improvements $ 18,280      
Building / Construction in Progress & Improvements 74,562      
Costs Subsequent to Acquisition / Construction 262      
Total Cost        
Land 18,280      
Building / Construction in Progress & Improvements 74,824      
Total 93,104      
Accumulated Depreciation 7,573      
Total Cost, Net of Accumulated Depreciation 85,531 88,907    
Encumbrances $ 0      
Current Communities | Avalon Rockville Centre II [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 165      
Initial Cost        
Land and improvements $ 7,534      
Building / Construction in Progress & Improvements 50,984      
Costs Subsequent to Acquisition / Construction 0      
Total Cost        
Land 7,534      
Building / Construction in Progress & Improvements 50,984      
Total 58,518      
Accumulated Depreciation 4,510      
Total Cost, Net of Accumulated Depreciation 54,008 56,114    
Encumbrances $ 0      
Current Communities | Avalon Somers [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 152      
Initial Cost        
Land and improvements $ 5,608      
Building / Construction in Progress & Improvements 40,453      
Costs Subsequent to Acquisition / Construction 25      
Total Cost        
Land 5,608      
Building / Construction in Progress & Improvements 40,478      
Total 46,086      
Accumulated Depreciation 3,548      
Total Cost, Net of Accumulated Depreciation 42,538 43,958    
Encumbrances $ 0      
Current Communities | Avalon Midtown West [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 550      
Initial Cost        
Land and improvements $ 154,730      
Building / Construction in Progress & Improvements 180,253      
Costs Subsequent to Acquisition / Construction 42,710      
Total Cost        
Land 154,730      
Building / Construction in Progress & Improvements 222,963      
Total 377,693      
Accumulated Depreciation 55,973      
Total Cost, Net of Accumulated Depreciation 321,720 325,479    
Encumbrances $ 98,200      
Current Communities | Eaves Fairfax City [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 141      
Initial Cost        
Land and improvements $ 2,152      
Building / Construction in Progress & Improvements 8,907      
Costs Subsequent to Acquisition / Construction 5,636      
Total Cost        
Land 2,152      
Building / Construction in Progress & Improvements 14,543      
Total 16,695      
Accumulated Depreciation 9,152      
Total Cost, Net of Accumulated Depreciation 7,543 7,985    
Encumbrances $ 0      
Current Communities | Eaves Fairfax Towers [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 415      
Initial Cost        
Land and improvements $ 17,889      
Building / Construction in Progress & Improvements 74,727      
Costs Subsequent to Acquisition / Construction 15,066      
Total Cost        
Land 17,889      
Building / Construction in Progress & Improvements 89,793      
Total 107,682      
Accumulated Depreciation 24,579      
Total Cost, Net of Accumulated Depreciation 83,103 79,721    
Encumbrances $ 0      
Current Communities | AVA Ballston Square [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 714      
Initial Cost        
Land and improvements $ 71,640      
Building / Construction in Progress & Improvements 215,937      
Costs Subsequent to Acquisition / Construction 37,794      
Total Cost        
Land 71,640      
Building / Construction in Progress & Improvements 253,731      
Total 325,371      
Accumulated Depreciation 64,753      
Total Cost, Net of Accumulated Depreciation 260,618 258,067    
Encumbrances $ 0      
Current Communities | Avalon at Prudential Center I [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 243      
Initial Cost        
Land and improvements $ 8,002      
Building / Construction in Progress & Improvements 32,370      
Costs Subsequent to Acquisition / Construction 52,538      
Total Cost        
Land 8,002      
Building / Construction in Progress & Improvements 84,908      
Total 92,910      
Accumulated Depreciation 34,165      
Total Cost, Net of Accumulated Depreciation 58,745 56,662    
Encumbrances $ 0      
Current Communities | Eaves Redmond Campus [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 422      
Initial Cost        
Land and improvements $ 22,580      
Building / Construction in Progress & Improvements 88,001      
Costs Subsequent to Acquisition / Construction 31,023      
Total Cost        
Land 22,580      
Building / Construction in Progress & Improvements 119,024      
Total 141,604      
Accumulated Depreciation 29,462      
Total Cost, Net of Accumulated Depreciation 112,142 107,142    
Encumbrances $ 0      
Boston, MA        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 7,045      
Initial Cost        
Land and improvements $ 246,698      
Building / Construction in Progress & Improvements 1,339,556      
Costs Subsequent to Acquisition / Construction 227,890      
Total Cost        
Land 246,698      
Building / Construction in Progress & Improvements 1,567,446      
Total 1,814,144      
Accumulated Depreciation 477,963      
Total Cost, Net of Accumulated Depreciation 1,336,181 1,382,616    
Encumbrances $ 81,995      
Fairfield, CT        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 1,121      
Initial Cost        
Land and improvements $ 38,955      
Building / Construction in Progress & Improvements 189,002      
Costs Subsequent to Acquisition / Construction 23,853      
Total Cost        
Land 38,955      
Building / Construction in Progress & Improvements 212,855      
Total 251,810      
Accumulated Depreciation 82,487      
Total Cost, Net of Accumulated Depreciation 169,323 175,811    
Encumbrances $ 0      
New England        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 8,166      
Initial Cost        
Land and improvements $ 285,653      
Building / Construction in Progress & Improvements 1,528,558      
Costs Subsequent to Acquisition / Construction 251,743      
Total Cost        
Land 285,653      
Building / Construction in Progress & Improvements 1,780,301      
Total 2,065,954      
Accumulated Depreciation 560,450      
Total Cost, Net of Accumulated Depreciation 1,505,504 1,558,427    
Encumbrances $ 81,995      
New York City, NY        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 3,058      
Initial Cost        
Land and improvements $ 366,424      
Building / Construction in Progress & Improvements 1,014,588      
Costs Subsequent to Acquisition / Construction 50,276      
Total Cost        
Land 366,424      
Building / Construction in Progress & Improvements 1,064,864      
Total 1,431,288      
Accumulated Depreciation 307,902      
Total Cost, Net of Accumulated Depreciation 1,123,386 1,154,951    
Encumbrances $ 268,500      
New York - Suburban        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 3,533      
Initial Cost        
Land and improvements $ 234,200      
Building / Construction in Progress & Improvements 734,931      
Costs Subsequent to Acquisition / Construction 80,809      
Total Cost        
Land 234,200      
Building / Construction in Progress & Improvements 815,740      
Total 1,049,940      
Accumulated Depreciation 285,627      
Total Cost, Net of Accumulated Depreciation 764,313 786,833    
Encumbrances $ 75,865      
New Jersey        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 4,872      
Initial Cost        
Land and improvements $ 196,707      
Building / Construction in Progress & Improvements 780,793      
Costs Subsequent to Acquisition / Construction 87,025      
Total Cost        
Land 196,707      
Building / Construction in Progress & Improvements 867,818      
Total 1,064,525      
Accumulated Depreciation 286,418      
Total Cost, Net of Accumulated Depreciation 778,107 805,811    
Encumbrances $ 67,904      
Metro NY/NJ        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 11,463      
Initial Cost        
Land and improvements $ 797,331      
Building / Construction in Progress & Improvements 2,530,312      
Costs Subsequent to Acquisition / Construction 218,110      
Total Cost        
Land 797,331      
Building / Construction in Progress & Improvements 2,748,422      
Total 3,545,753      
Accumulated Depreciation 879,947      
Total Cost, Net of Accumulated Depreciation 2,665,806 2,747,595    
Encumbrances $ 412,269      
Mid-Atlantic        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 11,232      
Initial Cost        
Land and improvements $ 601,681      
Building / Construction in Progress & Improvements 1,877,166      
Costs Subsequent to Acquisition / Construction 206,205      
Total Cost        
Land 601,681      
Building / Construction in Progress & Improvements 2,083,371      
Total 2,685,052      
Accumulated Depreciation 677,399      
Total Cost, Net of Accumulated Depreciation 2,007,653 2,070,297    
Encumbrances $ 32,200      
Pacific Northwest        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 4,116      
Initial Cost        
Land and improvements $ 154,485      
Building / Construction in Progress & Improvements 795,211      
Costs Subsequent to Acquisition / Construction 40,867      
Total Cost        
Land 154,485      
Building / Construction in Progress & Improvements 836,078      
Total 990,563      
Accumulated Depreciation 249,361      
Total Cost, Net of Accumulated Depreciation 741,202 766,313    
Encumbrances $ 0      
San Jose, CA        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 3,535      
Initial Cost        
Land and improvements $ 200,056      
Building / Construction in Progress & Improvements 585,349      
Costs Subsequent to Acquisition / Construction 137,502      
Total Cost        
Land 200,056      
Building / Construction in Progress & Improvements 722,851      
Total 922,907      
Accumulated Depreciation 355,647      
Total Cost, Net of Accumulated Depreciation 567,260 583,801    
Encumbrances $ 0      
Oakland - East Bay, CA        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 3,252      
Initial Cost        
Land and improvements $ 106,827      
Building / Construction in Progress & Improvements 658,475      
Costs Subsequent to Acquisition / Construction 77,824      
Total Cost        
Land 106,827      
Building / Construction in Progress & Improvements 736,299      
Total 843,126      
Accumulated Depreciation 268,721      
Total Cost, Net of Accumulated Depreciation 574,405 596,757    
Encumbrances $ 3,847      
San Francisco, CA        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 3,349      
Initial Cost        
Land and improvements $ 216,871      
Building / Construction in Progress & Improvements 748,394      
Costs Subsequent to Acquisition / Construction 119,193      
Total Cost        
Land 216,871      
Building / Construction in Progress & Improvements 867,587      
Total 1,084,458      
Accumulated Depreciation 344,067      
Total Cost, Net of Accumulated Depreciation 740,391 766,486    
Encumbrances $ 143,710      
Northern California        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 10,136      
Initial Cost        
Land and improvements $ 523,754      
Building / Construction in Progress & Improvements 1,992,218      
Costs Subsequent to Acquisition / Construction 334,519      
Total Cost        
Land 523,754      
Building / Construction in Progress & Improvements 2,326,737      
Total 2,850,491      
Accumulated Depreciation 968,435      
Total Cost, Net of Accumulated Depreciation 1,882,056 1,947,044    
Encumbrances $ 147,557      
Los Angeles, CA        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 9,802      
Initial Cost        
Land and improvements $ 604,492      
Building / Construction in Progress & Improvements 1,723,344      
Costs Subsequent to Acquisition / Construction 304,760      
Total Cost        
Land 604,492      
Building / Construction in Progress & Improvements 2,028,104      
Total 2,632,596      
Accumulated Depreciation 623,828      
Total Cost, Net of Accumulated Depreciation 2,008,768 2,057,263    
Encumbrances $ 111,500      
Orange County, CA        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 2,821      
Initial Cost        
Land and improvements $ 94,498      
Building / Construction in Progress & Improvements 443,307      
Costs Subsequent to Acquisition / Construction 57,639      
Total Cost        
Land 94,498      
Building / Construction in Progress & Improvements 500,946      
Total 595,444      
Accumulated Depreciation 154,211      
Total Cost, Net of Accumulated Depreciation 441,233 457,278    
Encumbrances $ 0      
San Diego, CA        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 2,066      
Initial Cost        
Land and improvements $ 64,308      
Building / Construction in Progress & Improvements 211,670      
Costs Subsequent to Acquisition / Construction 105,577      
Total Cost        
Land 64,308      
Building / Construction in Progress & Improvements 317,247      
Total 381,555      
Accumulated Depreciation 133,481      
Total Cost, Net of Accumulated Depreciation 248,074 256,186    
Encumbrances $ 0      
Southern California        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 14,689      
Initial Cost        
Land and improvements $ 763,298      
Building / Construction in Progress & Improvements 2,378,321      
Costs Subsequent to Acquisition / Construction 467,976      
Total Cost        
Land 763,298      
Building / Construction in Progress & Improvements 2,846,297      
Total 3,609,595      
Accumulated Depreciation 911,520      
Total Cost, Net of Accumulated Depreciation 2,698,075 2,770,727    
Encumbrances $ 111,500      
Established Communities        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 59,802      
Initial Cost        
Land and improvements $ 3,126,202      
Building / Construction in Progress & Improvements 11,101,786      
Costs Subsequent to Acquisition / Construction 1,519,420      
Total Cost        
Land 3,126,202      
Building / Construction in Progress & Improvements 12,621,206      
Total 15,747,408      
Accumulated Depreciation 4,247,112      
Total Cost, Net of Accumulated Depreciation 11,500,296 11,860,403    
Encumbrances $ 785,521      
Lease-Up Communities        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 2,027      
Initial Cost        
Land and improvements $ 105,999      
Building / Construction in Progress & Improvements 550,102      
Costs Subsequent to Acquisition / Construction 2,037      
Total Cost        
Land 105,999      
Building / Construction in Progress & Improvements 552,139      
Total 658,138      
Accumulated Depreciation 15,540      
Total Cost, Net of Accumulated Depreciation 642,598 532,310    
Encumbrances $ 0      
Lease-Up Communities | Avalon at the Hingham Shipyard II [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 190      
Initial Cost        
Land and improvements $ 8,998      
Building / Construction in Progress & Improvements 54,782      
Costs Subsequent to Acquisition / Construction 0      
Total Cost        
Land 8,998      
Building / Construction in Progress & Improvements 54,782      
Total 63,780      
Accumulated Depreciation 2,445      
Total Cost, Net of Accumulated Depreciation 61,335 59,144    
Encumbrances $ 0      
Lease-Up Communities | Avalon Sudbury [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 250      
Initial Cost        
Land and improvements $ 20,240      
Building / Construction in Progress & Improvements 66,478      
Costs Subsequent to Acquisition / Construction 34      
Total Cost        
Land 20,240      
Building / Construction in Progress & Improvements 66,512      
Total 86,752      
Accumulated Depreciation 3,215      
Total Cost, Net of Accumulated Depreciation 83,537 78,642    
Encumbrances $ 0      
Lease-Up Communities | Avalon Saugus [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 280      
Initial Cost        
Land and improvements $ 17,799      
Building / Construction in Progress & Improvements 70,634      
Costs Subsequent to Acquisition / Construction 832      
Total Cost        
Land 17,799      
Building / Construction in Progress & Improvements 71,466      
Total 89,265      
Accumulated Depreciation 1,310      
Total Cost, Net of Accumulated Depreciation 87,955 52,689    
Encumbrances $ 0      
Lease-Up Communities | Avalon Boonton [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 350      
Initial Cost        
Land and improvements $ 3,592      
Building / Construction in Progress & Improvements 87,821      
Costs Subsequent to Acquisition / Construction 0      
Total Cost        
Land 3,592      
Building / Construction in Progress & Improvements 87,821      
Total 91,413      
Accumulated Depreciation 1,672      
Total Cost, Net of Accumulated Depreciation 89,741 72,902    
Encumbrances $ 0      
Lease-Up Communities | Avalon Piscataway [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 360      
Initial Cost        
Land and improvements $ 14,329      
Building / Construction in Progress & Improvements 75,499      
Costs Subsequent to Acquisition / Construction 0      
Total Cost        
Land 14,329      
Building / Construction in Progress & Improvements 75,499      
Total 89,828      
Accumulated Depreciation 2,985      
Total Cost, Net of Accumulated Depreciation 86,843 75,748    
Encumbrances $ 0      
Lease-Up Communities | Avalon Belltown Towers [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 274      
Initial Cost        
Land and improvements $ 24,636      
Building / Construction in Progress & Improvements 120,392      
Costs Subsequent to Acquisition / Construction 1,171      
Total Cost        
Land 24,636      
Building / Construction in Progress & Improvements 121,563      
Total 146,199      
Accumulated Depreciation 1,871      
Total Cost, Net of Accumulated Depreciation 144,328 117,433    
Encumbrances $ 0      
Lease-Up Communities | AVA Esterra Park [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 323      
Initial Cost        
Land and improvements $ 16,405      
Building / Construction in Progress & Improvements 74,496      
Costs Subsequent to Acquisition / Construction 0      
Total Cost        
Land 16,405      
Building / Construction in Progress & Improvements 74,496      
Total 90,901      
Accumulated Depreciation 2,042      
Total Cost, Net of Accumulated Depreciation 88,859 75,752    
Encumbrances $ 0      
Redevelopment Communities        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 665      
Initial Cost        
Land and improvements $ 30,582      
Building / Construction in Progress & Improvements 120,371      
Costs Subsequent to Acquisition / Construction 83,561      
Total Cost        
Land 30,582      
Building / Construction in Progress & Improvements 203,932      
Total 234,514      
Accumulated Depreciation 63,627      
Total Cost, Net of Accumulated Depreciation 170,887 163,804    
Encumbrances $ 0      
Other Stabilized Communities        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 14,203      
Initial Cost        
Land and improvements $ 904,700      
Building / Construction in Progress & Improvements 3,293,842      
Costs Subsequent to Acquisition / Construction 498,521      
Total Cost        
Land 904,700      
Building / Construction in Progress & Improvements 3,792,363      
Total 4,697,063      
Accumulated Depreciation 780,229      
Total Cost, Net of Accumulated Depreciation 3,916,834 3,516,484    
Encumbrances $ 169,850      
Development Communities        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 6,632      
Initial Cost        
Land and improvements $ 131,618      
Building / Construction in Progress & Improvements 329,239      
Costs Subsequent to Acquisition / Construction 1,242,416      
Total Cost        
Land 131,618      
Building / Construction in Progress & Improvements 1,571,655      
Total 1,703,273      
Accumulated Depreciation 3,823      
Total Cost, Net of Accumulated Depreciation 1,699,450 858,072    
Encumbrances $ 0      
Development Communities | Avalon Public Market [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 289      
Initial Cost        
Land and improvements $ 12,747      
Building / Construction in Progress & Improvements 58,425      
Costs Subsequent to Acquisition / Construction 82,246      
Total Cost        
Land 12,747      
Building / Construction in Progress & Improvements 140,671      
Total 153,418      
Accumulated Depreciation 497      
Total Cost, Net of Accumulated Depreciation 152,921 114,134    
Encumbrances $ 0      
Development Communities | AVA Hollywood [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 695      
Initial Cost        
Land and improvements $ 13,146      
Building / Construction in Progress & Improvements 39,914      
Costs Subsequent to Acquisition / Construction 272,691      
Total Cost        
Land 13,146      
Building / Construction in Progress & Improvements 312,605      
Total 325,751      
Accumulated Depreciation 175      
Total Cost, Net of Accumulated Depreciation 325,576 221,455    
Encumbrances $ 0      
Development Communities | Avalon Walnut Creek II [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 200      
Initial Cost        
Land and improvements $ 0      
Building / Construction in Progress & Improvements 995      
Costs Subsequent to Acquisition / Construction 85,983      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 86,978      
Total 86,978      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 86,978 32,256    
Encumbrances $ 0      
Development Communities | Avalon Brea Place [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 653      
Initial Cost        
Land and improvements $ 0      
Building / Construction in Progress & Improvements 181      
Costs Subsequent to Acquisition / Construction 111,844      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 112,025      
Total 112,025      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 112,025      
Encumbrances $ 0      
Development Communities | Avalon Monrovia [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 154      
Initial Cost        
Land and improvements $ 0      
Building / Construction in Progress & Improvements 2      
Costs Subsequent to Acquisition / Construction 15,828      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 15,830      
Total 15,830      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 15,830      
Encumbrances $ 0      
Development Communities | AVA RiNo [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 246      
Initial Cost        
Land and improvements $ 0      
Building / Construction in Progress & Improvements 14      
Costs Subsequent to Acquisition / Construction 18,212      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 18,226      
Total 18,226      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 18,226      
Encumbrances $ 0      
Development Communities | Avalon Doral [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 350      
Initial Cost        
Land and improvements $ 0      
Building / Construction in Progress & Improvements 491      
Costs Subsequent to Acquisition / Construction 82,316      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 82,807      
Total 82,807      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 82,807 35,154    
Encumbrances $ 0      
Development Communities | Avalon Acton II [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 86      
Initial Cost        
Land and improvements $ 0      
Building / Construction in Progress & Improvements 1      
Costs Subsequent to Acquisition / Construction 4,473      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 4,474      
Total 4,474      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 4,474      
Encumbrances $ 0      
Development Communities | Avalon Norwood [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 198      
Initial Cost        
Land and improvements $ 3,581      
Building / Construction in Progress & Improvements 21,013      
Costs Subsequent to Acquisition / Construction 33,323      
Total Cost        
Land 3,581      
Building / Construction in Progress & Improvements 54,336      
Total 57,917      
Accumulated Depreciation 327      
Total Cost, Net of Accumulated Depreciation 57,590 21,582    
Encumbrances $ 0      
Development Communities | Avalon Marlborough II [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 123      
Initial Cost        
Land and improvements $ 0      
Building / Construction in Progress & Improvements 0      
Costs Subsequent to Acquisition / Construction 15,293      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 15,293      
Total 15,293      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 15,293      
Encumbrances $ 0      
Development Communities | Avalon Woburn [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 350      
Initial Cost        
Land and improvements $ 0      
Building / Construction in Progress & Improvements 0      
Costs Subsequent to Acquisition / Construction 29,689      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 29,689      
Total 29,689      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 29,689      
Encumbrances $ 0      
Development Communities | Twinbrook Station [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 238      
Initial Cost        
Land and improvements $ 0      
Building / Construction in Progress & Improvements 13      
Costs Subsequent to Acquisition / Construction 30,775      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 30,788      
Total 30,788      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 30,788 15,844    
Encumbrances $ 0      
Development Communities | Avalon Towson [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 371      
Initial Cost        
Land and improvements $ 0      
Building / Construction in Progress & Improvements 768      
Costs Subsequent to Acquisition / Construction 85,641      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 86,409      
Total 86,409      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 86,409 42,686    
Encumbrances $ 0      
Development Communities | Avalon East Harbor [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 400      
Initial Cost        
Land and improvements $ 0      
Building / Construction in Progress & Improvements 242      
Costs Subsequent to Acquisition / Construction 86,125      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 86,367      
Total 86,367      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 86,367 28,101    
Encumbrances $ 0      
Development Communities | Avalon Foundry Row [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 437      
Initial Cost        
Land and improvements $ 0      
Building / Construction in Progress & Improvements 1      
Costs Subsequent to Acquisition / Construction 21,479      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 21,480      
Total 21,480      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 21,480      
Encumbrances $ 0      
Development Communities | Avalon Teaneck [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 248      
Initial Cost        
Land and improvements $ 8,273      
Building / Construction in Progress & Improvements 40,614      
Costs Subsequent to Acquisition / Construction 21,969      
Total Cost        
Land 8,273      
Building / Construction in Progress & Improvements 62,583      
Total 70,856      
Accumulated Depreciation 523      
Total Cost, Net of Accumulated Depreciation 70,333 43,508    
Encumbrances $ 0      
Development Communities | Avalon Old Bridge [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 252      
Initial Cost        
Land and improvements $ 0      
Building / Construction in Progress & Improvements 219      
Costs Subsequent to Acquisition / Construction 35,244      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 35,463      
Total 35,463      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 35,463 11,573    
Encumbrances $ 0      
Development Communities | Avalon Yonkers [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 590      
Initial Cost        
Land and improvements $ 6,042      
Building / Construction in Progress & Improvements 36,155      
Costs Subsequent to Acquisition / Construction 123,867      
Total Cost        
Land 6,042      
Building / Construction in Progress & Improvements 160,022      
Total 166,064      
Accumulated Depreciation 315      
Total Cost, Net of Accumulated Depreciation 165,749 89,206    
Encumbrances $ 0      
Development Communities | Avalon Harrison [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 143      
Initial Cost        
Land and improvements $ 0      
Building / Construction in Progress & Improvements 0      
Costs Subsequent to Acquisition / Construction 26,158      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 26,158      
Total 26,158      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 26,158 5,504    
Encumbrances $ 0      
Development Communities | Avalon Newcastle Commons II [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 293      
Initial Cost        
Land and improvements $ 0      
Building / Construction in Progress & Improvements 444      
Costs Subsequent to Acquisition / Construction 43,522      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 43,966      
Total 43,966      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 43,966 22,384    
Encumbrances $ 0      
Development Communities | Avalon North Creek [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 316      
Initial Cost        
Land and improvements $ 10,436      
Building / Construction in Progress & Improvements 54,536      
Costs Subsequent to Acquisition / Construction 15,738      
Total Cost        
Land 10,436      
Building / Construction in Progress & Improvements 70,274      
Total 80,710      
Accumulated Depreciation 869      
Total Cost, Net of Accumulated Depreciation 79,841 38,058    
Encumbrances 0      
Development Communities | The Park Loggia [Member]        
Initial Cost        
Land and improvements 77,393      
Building / Construction in Progress & Improvements 75,211      
Costs Subsequent to Acquisition / Construction 0      
Total Cost        
Land 77,393      
Building / Construction in Progress & Improvements 75,211      
Total 152,604      
Accumulated Depreciation 1,117      
Total Cost, Net of Accumulated Depreciation 151,487 136,627    
Encumbrances $ 0      
Number of residential units in development | home 172      
Retail square feet development | ft² 67      
Land Held for Development        
Initial Cost        
Land and improvements $ 0      
Building / Construction in Progress & Improvements 0      
Costs Subsequent to Acquisition / Construction 0      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 0      
Total 0      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 0 84,712    
Encumbrances 0      
Corporate overhead        
Initial Cost        
Land and improvements 7,810      
Building / Construction in Progress & Improvements 11,414      
Costs Subsequent to Acquisition / Construction 89,443      
Total Cost        
Land 7,810      
Building / Construction in Progress & Improvements 100,857      
Total 108,667      
Accumulated Depreciation 63,552      
Total Cost, Net of Accumulated Depreciation 45,115 49,015    
Encumbrances 6,400,000      
For-Sale Condominium Inventory        
Initial Cost        
Land and improvements 227,246      
Building / Construction in Progress & Improvements 230,563      
Costs Subsequent to Acquisition / Construction 0      
Total Cost        
Land 227,246      
Building / Construction in Progress & Improvements 230,563      
Total 457,809      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 457,809 409,880    
Encumbrances 0      
2019 Disposals        
Total Cost        
Total Cost, Net of Accumulated Depreciation   $ 256,250    
Unsecured notes        
Total Cost        
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net 41,352      
Secured notes        
Total Cost        
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net $ 17,729