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REAL ESTATE AND ACCUMULATED DEPRECIATION (Details)
ft² in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2018
USD ($)
home
ft²
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 81,499      
Initial Cost        
Land and improvements $ 4,183,719      
Building / Construction in Progress & Improvements 14,536,395      
Costs Subsequent to Acquisition / Construction 3,622,462      
Total Cost        
Land 4,183,719      
Building / Construction in Progress & Improvements 18,158,857      
Total 22,342,576 $ 21,935,936 $ 20,776,626 $ 19,268,099
Accumulated Depreciation 4,611,646 4,218,379 $ 3,743,632 $ 3,325,790
Total Cost, Net of Accumulated Depreciation 17,730,930 17,717,557    
Encumbrances $ 7,102,355      
Current Communities        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 74,890      
Initial Cost        
Land and improvements $ 4,068,035      
Building / Construction in Progress & Improvements 14,395,399      
Costs Subsequent to Acquisition / Construction 1,889,559      
Total Cost        
Land 4,068,035      
Building / Construction in Progress & Improvements 16,284,958      
Total 20,352,993      
Accumulated Depreciation 4,556,052      
Total Cost, Net of Accumulated Depreciation 15,796,941 15,707,425    
Encumbrances $ 1,152,355      
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 10,758      
Total Cost        
Land 2,124      
Building / Construction in Progress & Improvements 23,325      
Total 25,449      
Accumulated Depreciation 14,980      
Total Cost, Net of Accumulated Depreciation 10,469 10,704    
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 6,197      
Total Cost        
Land 2,129      
Building / Construction in Progress & Improvements 23,764      
Total 25,893      
Accumulated Depreciation 14,742      
Total Cost, Net of Accumulated Depreciation 11,151 11,429    
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 10,450      
Total Cost        
Land 1,743      
Building / Construction in Progress & Improvements 25,112      
Total 26,855      
Accumulated Depreciation 15,381      
Total Cost, Net of Accumulated Depreciation 11,474 12,133    
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 1,652      
Total Cost        
Land 3,318      
Building / Construction in Progress & Improvements 15,117      
Total 18,435      
Accumulated Depreciation 8,634      
Total Cost, Net of Accumulated Depreciation 9,801 9,953    
Encumbrances $ 0      
Current Communities | Avalon Orchards [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 156      
Initial Cost        
Land and improvements $ 2,983      
Building / Construction in Progress & Improvements 17,970      
Costs Subsequent to Acquisition / Construction 2,855      
Total Cost        
Land 2,983      
Building / Construction in Progress & Improvements 20,825      
Total 23,808      
Accumulated Depreciation 12,331      
Total Cost, Net of Accumulated Depreciation 11,477 12,192    
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 1,375      
Total Cost        
Land 6,876      
Building / Construction in Progress & Improvements 31,776      
Total 38,652      
Accumulated Depreciation 12,327      
Total Cost, Net of Accumulated Depreciation 26,325 26,843    
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 14,022      
Total Cost        
Land 4,645      
Building / Construction in Progress & Improvements 32,941      
Total 37,586      
Accumulated Depreciation 14,522      
Total Cost, Net of Accumulated Depreciation 23,064 23,794    
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 2,681      
Total Cost        
Land 4,258      
Building / Construction in Progress & Improvements 23,232      
Total 27,490      
Accumulated Depreciation 9,781      
Total Cost, Net of Accumulated Depreciation 17,709 17,343    
Encumbrances $ 0      
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 7,759      
Total Cost        
Land 8,691      
Building / Construction in Progress & Improvements 86,880      
Total 95,571      
Accumulated Depreciation 31,789      
Total Cost, Net of Accumulated Depreciation 63,782 63,555    
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 4,416      
Total Cost        
Land 13,124      
Building / Construction in Progress & Improvements 53,111      
Total 66,235      
Accumulated Depreciation 19,390      
Total Cost, Net of Accumulated Depreciation 46,845 47,864    
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 3,887      
Total Cost        
Land 12,218      
Building / Construction in Progress & Improvements 45,543      
Total 57,761      
Accumulated Depreciation 15,678      
Total Cost, Net of Accumulated Depreciation 42,083 42,404    
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 1,432      
Total Cost        
Land 4,719      
Building / Construction in Progress & Improvements 26,910      
Total 31,629      
Accumulated Depreciation 9,697      
Total Cost, Net of Accumulated Depreciation 21,932 22,330    
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 2,590      
Total Cost        
Land 8,144      
Building / Construction in Progress & Improvements 54,774      
Total 62,918      
Accumulated Depreciation 16,932      
Total Cost, Net of Accumulated Depreciation 45,986 47,120    
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 621      
Total Cost        
Land 8,802      
Building / Construction in Progress & Improvements 46,787      
Total 55,589      
Accumulated Depreciation 11,576      
Total Cost, Net of Accumulated Depreciation 44,013 45,337    
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 $ 16,313      
Building / Construction in Progress & Improvements 110,028      
Costs Subsequent to Acquisition / Construction 291      
Total Cost        
Land 16,313      
Building / Construction in Progress & Improvements 110,319      
Total 126,632      
Accumulated Depreciation 17,615      
Total Cost, Net of Accumulated Depreciation 109,017 112,883    
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 75      
Total Cost        
Land 15,645      
Building / Construction in Progress & Improvements 64,920      
Total 80,565      
Accumulated Depreciation 12,778      
Total Cost, Net of Accumulated Depreciation 67,787 70,094    
Encumbrances $ 47,637      
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 143      
Total Cost        
Land 8,599      
Building / Construction in Progress & Improvements 52,597      
Total 61,196      
Accumulated Depreciation 8,685      
Total Cost, Net of Accumulated Depreciation 52,511 54,339    
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 71      
Total Cost        
Land 10,945      
Building / Construction in Progress & Improvements 56,531      
Total 67,476      
Accumulated Depreciation 8,280      
Total Cost, Net of Accumulated Depreciation 59,196 61,219    
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 6,879      
Total Cost        
Land 7,714      
Building / Construction in Progress & Improvements 39,378      
Total 47,092      
Accumulated Depreciation 8,096      
Total Cost, Net of Accumulated Depreciation 38,996 40,187    
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 131      
Total Cost        
Land 17,072      
Building / Construction in Progress & Improvements 163,764      
Total 180,836      
Accumulated Depreciation 19,204      
Total Cost, Net of Accumulated Depreciation 161,632 167,191    
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 16,664      
Total Cost        
Land 15,600      
Building / Construction in Progress & Improvements 77,313      
Total 92,913      
Accumulated Depreciation 16,123      
Total Cost, Net of Accumulated Depreciation 76,790 79,079    
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 276      
Total Cost        
Land 15,367      
Building / Construction in Progress & Improvements 60,673      
Total 76,040      
Accumulated Depreciation 7,574      
Total Cost, Net of Accumulated Depreciation 68,466 70,372    
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 13      
Total Cost        
Land 9,315      
Building / Construction in Progress & Improvements 34,644      
Total 43,959      
Accumulated Depreciation 3,993      
Total Cost, Net of Accumulated Depreciation 39,966 41,216    
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 29,108      
Total Cost        
Land 27,350      
Building / Construction in Progress & Improvements 123,276      
Total 150,626      
Accumulated Depreciation 28,323      
Total Cost, Net of Accumulated Depreciation 122,303 126,559    
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 15,562      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 42,378      
Total 42,378      
Accumulated Depreciation 26,239      
Total Cost, Net of Accumulated Depreciation 16,139 15,745    
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 13,773      
Total Cost        
Land 5,956      
Building / Construction in Progress & Improvements 37,766      
Total 43,722      
Accumulated Depreciation 25,666      
Total Cost, Net of Accumulated Depreciation 18,056 18,851    
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 7,093      
Total Cost        
Land 2,116      
Building / Construction in Progress & Improvements 21,757      
Total 23,873      
Accumulated Depreciation 12,949      
Total Cost, Net of Accumulated Depreciation 10,924 11,125    
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 2,279      
Total Cost        
Land 4,834      
Building / Construction in Progress & Improvements 25,269      
Total 30,103      
Accumulated Depreciation 14,227      
Total Cost, Net of Accumulated Depreciation 15,876 16,795    
Encumbrances $ 0      
Current Communities | AVA Stamford [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 306      
Initial Cost        
Land and improvements $ 13,819      
Building / Construction in Progress & Improvements 56,499      
Costs Subsequent to Acquisition / Construction 6,492      
Total Cost        
Land 13,819      
Building / Construction in Progress & Improvements 62,991      
Total 76,810      
Accumulated Depreciation 35,439      
Total Cost, Net of Accumulated Depreciation 41,371 43,505    
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 3,219      
Total Cost        
Land 6,926      
Building / Construction in Progress & Improvements 37,777      
Total 44,703      
Accumulated Depreciation 19,616      
Total Cost, Net of Accumulated Depreciation 25,087 26,129    
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 1,123      
Total Cost        
Land 11,320      
Building / Construction in Progress & Improvements 64,027      
Total 75,347      
Accumulated Depreciation 18,397      
Total Cost, Net of Accumulated Depreciation 56,950 58,924    
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 178      
Total Cost        
Land 6,604      
Building / Construction in Progress & Improvements 23,936      
Total 30,540      
Accumulated Depreciation 6,415      
Total Cost, Net of Accumulated Depreciation 24,125 24,939    
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 269      
Total Cost        
Land 7,749      
Building / Construction in Progress & Improvements 40,635      
Total 48,384      
Accumulated Depreciation 8,210      
Total Cost, Net of Accumulated Depreciation 40,174 41,404    
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 269      
Total Cost        
Land 10,395      
Building / Construction in Progress & Improvements 36,720      
Total 47,115      
Accumulated Depreciation 7,067      
Total Cost, Net of Accumulated Depreciation 40,048 41,089    
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 181      
Total Cost        
Land 2,564      
Building / Construction in Progress & Improvements 27,413      
Total 29,977      
Accumulated Depreciation 4,269      
Total Cost, Net of Accumulated Depreciation 25,708 26,480    
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 10,407      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 104,468      
Total 104,468      
Accumulated Depreciation 58,171      
Total Cost, Net of Accumulated Depreciation 46,297 51,418    
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 15,108      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 181,062      
Total 181,062      
Accumulated Depreciation 66,109      
Total Cost, Net of Accumulated Depreciation 114,953 120,377    
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 2,953      
Total Cost        
Land 83,038      
Building / Construction in Progress & Improvements 219,755      
Total 302,793      
Accumulated Depreciation 65,367      
Total Cost, Net of Accumulated Depreciation 237,426 243,951    
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 205,104      
Costs Subsequent to Acquisition / Construction 41      
Total Cost        
Land 77,419      
Building / Construction in Progress & Improvements 205,145      
Total 282,564      
Accumulated Depreciation 18,119      
Total Cost, Net of Accumulated Depreciation 264,445 270,657    
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 12,182      
Total Cost        
Land 84,069      
Building / Construction in Progress & Improvements 118,003      
Total 202,072      
Accumulated Depreciation 27,362      
Total Cost, Net of Accumulated Depreciation 174,710 178,007    
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 6,802      
Total Cost        
Land 71,421      
Building / Construction in Progress & Improvements 96,653      
Total 168,074      
Accumulated Depreciation 23,369      
Total Cost, Net of Accumulated Depreciation 144,705 147,364    
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 6,790      
Total Cost        
Land 4,679      
Building / Construction in Progress & Improvements 35,076      
Total 39,755      
Accumulated Depreciation 23,830      
Total Cost, Net of Accumulated Depreciation 15,925 16,719    
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 7,669      
Total Cost        
Land 1,820      
Building / Construction in Progress & Improvements 18,194      
Total 20,014      
Accumulated Depreciation 10,505      
Total Cost, Net of Accumulated Depreciation 9,509 9,997    
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 8,778      
Total Cost        
Land 2,889      
Building / Construction in Progress & Improvements 37,102      
Total 39,991      
Accumulated Depreciation 21,121      
Total Cost, Net of Accumulated Depreciation 18,870 20,102    
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 4,941      
Total Cost        
Land 7,871      
Building / Construction in Progress & Improvements 64,910      
Total 72,781      
Accumulated Depreciation 31,407      
Total Cost, Net of Accumulated Depreciation 41,374 43,275    
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 747      
Total Cost        
Land 2,577      
Building / Construction in Progress & Improvements 38,083      
Total 40,660      
Accumulated Depreciation 15,195      
Total Cost, Net of Accumulated Depreciation 25,465 26,569    
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 1,328      
Total Cost        
Land 15,391      
Building / Construction in Progress & Improvements 138,681      
Total 154,072      
Accumulated Depreciation 46,177      
Total Cost, Net of Accumulated Depreciation 107,895 112,241    
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 2,804      
Total Cost        
Land 32,212      
Building / Construction in Progress & Improvements 81,610      
Total 113,822      
Accumulated Depreciation 21,224      
Total Cost, Net of Accumulated Depreciation 92,598 94,747    
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 544      
Total Cost        
Land 27,765      
Building / Construction in Progress & Improvements 78,104      
Total 105,869      
Accumulated Depreciation 18,551      
Total Cost, Net of Accumulated Depreciation 87,318 89,834    
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 640      
Total Cost        
Land 18,205      
Building / Construction in Progress & Improvements 49,966      
Total 68,171      
Accumulated Depreciation 11,302      
Total Cost, Net of Accumulated Depreciation 56,869 58,511    
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 47      
Total Cost        
Land 6,392      
Building / Construction in Progress & Improvements 30,360      
Total 36,752      
Accumulated Depreciation 5,185      
Total Cost, Net of Accumulated Depreciation 31,567 32,627    
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 58,440      
Costs Subsequent to Acquisition / Construction 163      
Total Cost        
Land 21,899      
Building / Construction in Progress & Improvements 58,603      
Total 80,502      
Accumulated Depreciation 9,212      
Total Cost, Net of Accumulated Depreciation 71,290 73,131    
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 7      
Total Cost        
Land 4,985      
Building / Construction in Progress & Improvements 17,307      
Total 22,292      
Accumulated Depreciation 1,860      
Total Cost, Net of Accumulated Depreciation 20,432 21,037    
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 11,794      
Total Cost        
Land 69,620      
Building / Construction in Progress & Improvements 55,575      
Total 125,195      
Accumulated Depreciation 17,813      
Total Cost, Net of Accumulated Depreciation 107,382 109,056    
Encumbrances $ 77,295      
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 24,942      
Total Cost        
Land 8,760      
Building / Construction in Progress & Improvements 107,364      
Total 116,124      
Accumulated Depreciation 68,718      
Total Cost, Net of Accumulated Depreciation 47,406 49,264    
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 12,367      
Total Cost        
Land 14,650      
Building / Construction in Progress & Improvements 72,853      
Total 87,503      
Accumulated Depreciation 35,005      
Total Cost, Net of Accumulated Depreciation 52,498 54,936    
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 22,325      
Total Cost        
Land 5,585      
Building / Construction in Progress & Improvements 44,707      
Total 50,292      
Accumulated Depreciation 27,542      
Total Cost, Net of Accumulated Depreciation 22,750 23,632    
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 621      
Total Cost        
Land 7,939      
Building / Construction in Progress & Improvements 33,791      
Total 41,730      
Accumulated Depreciation 12,389      
Total Cost, Net of Accumulated Depreciation 29,341 30,404    
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 346      
Total Cost        
Land 2,721      
Building / Construction in Progress & Improvements 23,271      
Total 25,992      
Accumulated Depreciation 6,832      
Total Cost, Net of Accumulated Depreciation 19,160 19,728    
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 1,021      
Total Cost        
Land 8,984      
Building / Construction in Progress & Improvements 32,015      
Total 40,999      
Accumulated Depreciation 7,721      
Total Cost, Net of Accumulated Depreciation 33,278 34,432    
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 1,474      
Total Cost        
Land 14,682      
Building / Construction in Progress & Improvements 43,109      
Total 57,791      
Accumulated Depreciation 10,010      
Total Cost, Net of Accumulated Depreciation 47,781 49,053    
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 168      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 44,787      
Total 44,787      
Accumulated Depreciation 8,781      
Total Cost, Net of Accumulated Depreciation 36,006 37,607    
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 282      
Total Cost        
Land 18,241      
Building / Construction in Progress & Improvements 58,620      
Total 76,861      
Accumulated Depreciation 11,998      
Total Cost, Net of Accumulated Depreciation 64,863 66,988    
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 39,936      
Costs Subsequent to Acquisition / Construction 10      
Total Cost        
Land 10,701      
Building / Construction in Progress & Improvements 39,946      
Total 50,647      
Accumulated Depreciation 4,969      
Total Cost, Net of Accumulated Depreciation 45,678 47,034    
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 13      
Total Cost        
Land 6,502      
Building / Construction in Progress & Improvements 16,876      
Total 23,378      
Accumulated Depreciation 3,499      
Total Cost, Net of Accumulated Depreciation 19,879 20,502    
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 72      
Total Cost        
Land 3,006      
Building / Construction in Progress & Improvements 27,873      
Total 30,879      
Accumulated Depreciation 5,143      
Total Cost, Net of Accumulated Depreciation 25,736 26,759    
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 92      
Total Cost        
Land 2,273      
Building / Construction in Progress & Improvements 48,701      
Total 50,974      
Accumulated Depreciation 6,920      
Total Cost, Net of Accumulated Depreciation 44,054 45,813    
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 27      
Total Cost        
Land 11,288      
Building / Construction in Progress & Improvements 34,895      
Total 46,183      
Accumulated Depreciation 4,507      
Total Cost, Net of Accumulated Depreciation 41,676 42,956    
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 36,317      
Costs Subsequent to Acquisition / Construction 0      
Total Cost        
Land 11,695      
Building / Construction in Progress & Improvements 36,317      
Total 48,012      
Accumulated Depreciation 3,718      
Total Cost, Net of Accumulated Depreciation 44,294 45,458    
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 5,360      
Total Cost        
Land 37,237      
Building / Construction in Progress & Improvements 95,835      
Total 133,072      
Accumulated Depreciation 14,867      
Total Cost, Net of Accumulated Depreciation 118,205 121,394    
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 16,044      
Total Cost        
Land 6,848      
Building / Construction in Progress & Improvements 43,658      
Total 50,506      
Accumulated Depreciation 31,365      
Total Cost, Net of Accumulated Depreciation 19,141 20,479    
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 2,630      
Total Cost        
Land 8,800      
Building / Construction in Progress & Improvements 42,288      
Total 51,088      
Accumulated Depreciation 22,557      
Total Cost, Net of Accumulated Depreciation 28,531 29,620    
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 178      
Total Cost        
Land 7,425      
Building / Construction in Progress & Improvements 25,460      
Total 32,885      
Accumulated Depreciation 5,715      
Total Cost, Net of Accumulated Depreciation 27,170 28,034    
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 7,747      
Total Cost        
Land 25,140      
Building / Construction in Progress & Improvements 60,206      
Total 85,346      
Accumulated Depreciation 15,098      
Total Cost, Net of Accumulated Depreciation 70,248 71,417    
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 2,462      
Total Cost        
Land 16,430      
Building / Construction in Progress & Improvements 25,364      
Total 41,794      
Accumulated Depreciation 6,617      
Total Cost, Net of Accumulated Depreciation 35,177 35,949    
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 4,592      
Total Cost        
Land 38,140      
Building / Construction in Progress & Improvements 39,944      
Total 78,084      
Accumulated Depreciation 11,358      
Total Cost, Net of Accumulated Depreciation 66,726 67,687    
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 2,507      
Total Cost        
Land 9,580      
Building / Construction in Progress & Improvements 29,039      
Total 38,619      
Accumulated Depreciation 7,679      
Total Cost, Net of Accumulated Depreciation 30,940 31,945    
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 3,697      
Total Cost        
Land 43,700      
Building / Construction in Progress & Improvements 157,647      
Total 201,347      
Accumulated Depreciation 34,095      
Total Cost, Net of Accumulated Depreciation 167,252 172,291    
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 3,188      
Total Cost        
Land 4,047      
Building / Construction in Progress & Improvements 21,741      
Total 25,788      
Accumulated Depreciation 15,260      
Total Cost, Net of Accumulated Depreciation 10,528 11,116    
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 12,476      
Total Cost        
Land 8,802      
Building / Construction in Progress & Improvements 48,012      
Total 56,814      
Accumulated Depreciation 22,591      
Total Cost, Net of Accumulated Depreciation 34,223 35,522    
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 3,160      
Total Cost        
Land 29,159      
Building / Construction in Progress & Improvements 56,153      
Total 85,312      
Accumulated Depreciation 29,107      
Total Cost, Net of Accumulated Depreciation 56,205 57,751    
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 4,520      
Total Cost        
Land 14,365      
Building / Construction in Progress & Improvements 59,918      
Total 74,283      
Accumulated Depreciation 30,282      
Total Cost, Net of Accumulated Depreciation 44,001 46,001    
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 4,857      
Total Cost        
Land 2,323      
Building / Construction in Progress & Improvements 14,154      
Total 16,477      
Accumulated Depreciation 9,548      
Total Cost, Net of Accumulated Depreciation 6,929 7,005    
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 7,562      
Total Cost        
Land 3,958      
Building / Construction in Progress & Improvements 23,401      
Total 27,359      
Accumulated Depreciation 16,045      
Total Cost, Net of Accumulated Depreciation 11,314 11,934    
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 3,447      
Total Cost        
Land 10,200      
Building / Construction in Progress & Improvements 50,971      
Total 61,171      
Accumulated Depreciation 12,939      
Total Cost, Net of Accumulated Depreciation 48,232 49,907    
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 9,700      
Total Cost        
Land 6,096      
Building / Construction in Progress & Improvements 34,100      
Total 40,196      
Accumulated Depreciation 22,540      
Total Cost, Net of Accumulated Depreciation 17,656 18,135    
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 16,442      
Total Cost        
Land 7,291      
Building / Construction in Progress & Improvements 45,619      
Total 52,910      
Accumulated Depreciation 30,758      
Total Cost, Net of Accumulated Depreciation 22,152 23,626    
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 13,076      
Total Cost        
Land 13,851      
Building / Construction in Progress & Improvements 56,473      
Total 70,324      
Accumulated Depreciation 34,843      
Total Cost, Net of Accumulated Depreciation 35,481 37,210    
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 388      
Total Cost        
Land 13,554      
Building / Construction in Progress & Improvements 63,914      
Total 77,468      
Accumulated Depreciation 14,319      
Total Cost, Net of Accumulated Depreciation 63,149 65,422    
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 161      
Total Cost        
Land 33,490      
Building / Construction in Progress & Improvements 75,962      
Total 109,452      
Accumulated Depreciation 13,273      
Total Cost, Net of Accumulated Depreciation 96,179 98,831    
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 2,815      
Total Cost        
Land 24,225      
Building / Construction in Progress & Improvements 84,797      
Total 109,022      
Accumulated Depreciation 11,895      
Total Cost, Net of Accumulated Depreciation 97,127 100,351    
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 5,459      
Total Cost        
Land 22,573      
Building / Construction in Progress & Improvements 100,814      
Total 123,387      
Accumulated Depreciation 12,258      
Total Cost, Net of Accumulated Depreciation 111,129 113,565    
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 2,561      
Total Cost        
Land 18,830      
Building / Construction in Progress & Improvements 84,988      
Total 103,818      
Accumulated Depreciation 9,297      
Total Cost, Net of Accumulated Depreciation 94,521 97,692    
Encumbrances $ 67,085      
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 3,015      
Total Cost        
Land 16,030      
Building / Construction in Progress & Improvements 48,435      
Total 64,465      
Accumulated Depreciation 13,076      
Total Cost, Net of Accumulated Depreciation 51,389 53,277    
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 10,397      
Total Cost        
Land 56,550      
Building / Construction in Progress & Improvements 188,429      
Total 244,979      
Accumulated Depreciation 44,417      
Total Cost, Net of Accumulated Depreciation 200,562 206,976    
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 141      
Total Cost        
Land 21,600      
Building / Construction in Progress & Improvements 59,217      
Total 80,817      
Accumulated Depreciation 9,926      
Total Cost, Net of Accumulated Depreciation 70,891 72,913    
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 7,079      
Total Cost        
Land 26,710      
Building / Construction in Progress & Improvements 90,163      
Total 116,873      
Accumulated Depreciation 23,691      
Total Cost, Net of Accumulated Depreciation 93,182 95,979    
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 27      
Total Cost        
Land 39,544      
Building / Construction in Progress & Improvements 66,187      
Total 105,731      
Accumulated Depreciation 8,357      
Total Cost, Net of Accumulated Depreciation 97,374 99,805    
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 10,603      
Total Cost        
Land 4,558      
Building / Construction in Progress & Improvements 28,971      
Total 33,529      
Accumulated Depreciation 18,625      
Total Cost, Net of Accumulated Depreciation 14,904 15,860    
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 5,194      
Total Cost        
Land 6,786      
Building / Construction in Progress & Improvements 32,835      
Total 39,621      
Accumulated Depreciation 22,464      
Total Cost, Net of Accumulated Depreciation 17,157 18,123    
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 2,268      
Total Cost        
Land 6,664      
Building / Construction in Progress & Improvements 26,387      
Total 33,051      
Accumulated Depreciation 16,340      
Total Cost, Net of Accumulated Depreciation 16,711 17,601    
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 3,246      
Total Cost        
Land 4,777      
Building / Construction in Progress & Improvements 23,011      
Total 27,788      
Accumulated Depreciation 14,446      
Total Cost, Net of Accumulated Depreciation 13,342 14,049    
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 3,479      
Total Cost        
Land 3,789      
Building / Construction in Progress & Improvements 18,618      
Total 22,407      
Accumulated Depreciation 11,441      
Total Cost, Net of Accumulated Depreciation 10,966 11,496    
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 1,276      
Total Cost        
Land 5,644      
Building / Construction in Progress & Improvements 14,009      
Total 19,653      
Accumulated Depreciation 8,502      
Total Cost, Net of Accumulated Depreciation 11,151 11,690    
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 1,751      
Total Cost        
Land 12,697      
Building / Construction in Progress & Improvements 79,201      
Total 91,898      
Accumulated Depreciation 29,264      
Total Cost, Net of Accumulated Depreciation 62,634 65,026    
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 1,545      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 124,574      
Total 124,574      
Accumulated Depreciation 36,511      
Total Cost, Net of Accumulated Depreciation 88,063 92,031    
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 459      
Total Cost        
Land 12,081      
Building / Construction in Progress & Improvements 42,077      
Total 54,158      
Accumulated Depreciation 10,633      
Total Cost, Net of Accumulated Depreciation 43,525 45,070    
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 1,040      
Total Cost        
Land 16,460      
Building / Construction in Progress & Improvements 47,966      
Total 64,426      
Accumulated Depreciation 10,195      
Total Cost, Net of Accumulated Depreciation 54,231 56,053    
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 14      
Total Cost        
Land 12,294      
Building / Construction in Progress & Improvements 55,641      
Total 67,935      
Accumulated Depreciation 8,595      
Total Cost, Net of Accumulated Depreciation 59,340 61,367    
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 60,005      
Costs Subsequent to Acquisition / Construction 685      
Total Cost        
Land 20,613      
Building / Construction in Progress & Improvements 60,690      
Total 81,303      
Accumulated Depreciation 6,513      
Total Cost, Net of Accumulated Depreciation 74,790 76,433    
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 21,363      
Costs Subsequent to Acquisition / Construction 13      
Total Cost        
Land 5,072      
Building / Construction in Progress & Improvements 21,376      
Total 26,448      
Accumulated Depreciation 1,859      
Total Cost, Net of Accumulated Depreciation 24,589 25,337    
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 3,769      
Total Cost        
Land 10,250      
Building / Construction in Progress & Improvements 30,611      
Total 40,861      
Accumulated Depreciation 8,333      
Total Cost, Net of Accumulated Depreciation 32,528 33,555    
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 13,895      
Total Cost        
Land 11,830      
Building / Construction in Progress & Improvements 61,723      
Total 73,553      
Accumulated Depreciation 37,549      
Total Cost, Net of Accumulated Depreciation 36,004 37,851    
Encumbrances $ 38,800      
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 19,019      
Total Cost        
Land 12,920      
Building / Construction in Progress & Improvements 72,066      
Total 84,986      
Accumulated Depreciation 38,598      
Total Cost, Net of Accumulated Depreciation 46,388 48,753    
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 35,004      
Total Cost        
Land 20,713      
Building / Construction in Progress & Improvements 134,577      
Total 155,290      
Accumulated Depreciation 76,386      
Total Cost, Net of Accumulated Depreciation 78,904 83,672    
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 10,543      
Total Cost        
Land 9,755      
Building / Construction in Progress & Improvements 49,936      
Total 59,691      
Accumulated Depreciation 32,132      
Total Cost, Net of Accumulated Depreciation 27,559 29,011    
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 21,325      
Total Cost        
Land 6,546      
Building / Construction in Progress & Improvements 47,588      
Total 54,134      
Accumulated Depreciation 27,454      
Total Cost, Net of Accumulated Depreciation 26,680 28,327    
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 2,335      
Total Cost        
Land 4,765      
Building / Construction in Progress & Improvements 49,935      
Total 54,700      
Accumulated Depreciation 27,889      
Total Cost, Net of Accumulated Depreciation 26,811 28,301    
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 152      
Total Cost        
Land 13,837      
Building / Construction in Progress & Improvements 64,686      
Total 78,523      
Accumulated Depreciation 11,143      
Total Cost, Net of Accumulated Depreciation 67,380 69,664    
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 5,002      
Total Cost        
Land 46,060      
Building / Construction in Progress & Improvements 86,959      
Total 133,019      
Accumulated Depreciation 23,357      
Total Cost, Net of Accumulated Depreciation 109,662 112,837    
Encumbrances $ 0      
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 11,344      
Total Cost        
Land 90,890      
Building / Construction in Progress & Improvements 143,384      
Total 234,274      
Accumulated Depreciation 36,797      
Total Cost, Net of Accumulated Depreciation 197,477 202,028    
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 5,922      
Total Cost        
Land 64,070      
Building / Construction in Progress & Improvements 74,940      
Total 139,010      
Accumulated Depreciation 20,711      
Total Cost, Net of Accumulated Depreciation 118,299 120,748    
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 7,458      
Total Cost        
Land 10,746      
Building / Construction in Progress & Improvements 50,857      
Total 61,603      
Accumulated Depreciation 35,349      
Total Cost, Net of Accumulated Depreciation 26,254 27,278    
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 12,373      
Total Cost        
Land 5,276      
Building / Construction in Progress & Improvements 32,015      
Total 37,291      
Accumulated Depreciation 18,960      
Total Cost, Net of Accumulated Depreciation 18,331 19,470    
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 22,038      
Total Cost        
Land 11,610      
Building / Construction in Progress & Improvements 68,590      
Total 80,200      
Accumulated Depreciation 42,327      
Total Cost, Net of Accumulated Depreciation 37,873 39,771    
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 3,603      
Total Cost        
Land 4,249      
Building / Construction in Progress & Improvements 20,423      
Total 24,672      
Accumulated Depreciation 14,433      
Total Cost, Net of Accumulated Depreciation 10,239 10,722    
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 1,866      
Total Cost        
Land 14,732      
Building / Construction in Progress & Improvements 105,890      
Total 120,622      
Accumulated Depreciation 34,257      
Total Cost, Net of Accumulated Depreciation 86,365 89,091    
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 148,468      
Costs Subsequent to Acquisition / Construction 4,255      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 152,723      
Total 152,723      
Accumulated Depreciation 44,298      
Total Cost, Net of Accumulated Depreciation 108,425 112,601    
Encumbrances $ 3,699      
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 450      
Total Cost        
Land 7,772      
Building / Construction in Progress & Improvements 72,592      
Total 80,364      
Accumulated Depreciation 12,253      
Total Cost, Net of Accumulated Depreciation 68,111 70,863    
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 (206)      
Total Cost        
Land 7,762      
Building / Construction in Progress & Improvements 76,381      
Total 84,143      
Accumulated Depreciation 7,497      
Total Cost, Net of Accumulated Depreciation 76,646 79,551    
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 17,008      
Total Cost        
Land 30,320      
Building / Construction in Progress & Improvements 99,383      
Total 129,703      
Accumulated Depreciation 23,049      
Total Cost, Net of Accumulated Depreciation 106,654 110,229    
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 5,307      
Total Cost        
Land 9,860      
Building / Construction in Progress & Improvements 25,157      
Total 35,017      
Accumulated Depreciation 5,781      
Total Cost, Net of Accumulated Depreciation 29,236 30,176    
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 51      
Total Cost        
Land 4,500      
Building / Construction in Progress & Improvements 28,666      
Total 33,166      
Accumulated Depreciation 4,543      
Total Cost, Net of Accumulated Depreciation 28,623 29,599    
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 20,613      
Total Cost        
Land 4,230      
Building / Construction in Progress & Improvements 30,272      
Total 34,502      
Accumulated Depreciation 18,784      
Total Cost, Net of Accumulated Depreciation 15,718 16,043    
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 7,904      
Total Cost        
Land 5,403      
Building / Construction in Progress & Improvements 29,471      
Total 34,874      
Accumulated Depreciation 18,180      
Total Cost, Net of Accumulated Depreciation 16,694 17,464    
Encumbrances $ 20,800      
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 25,261      
Total Cost        
Land 5,982      
Building / Construction in Progress & Improvements 42,146      
Total 48,128      
Accumulated Depreciation 23,656      
Total Cost, Net of Accumulated Depreciation 24,472 25,395    
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 12,532      
Total Cost        
Land 7,852      
Building / Construction in Progress & Improvements 43,977      
Total 51,829      
Accumulated Depreciation 27,209      
Total Cost, Net of Accumulated Depreciation 24,620 25,304    
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 3,721      
Total Cost        
Land 6,125      
Building / Construction in Progress & Improvements 28,517      
Total 34,642      
Accumulated Depreciation 19,697      
Total Cost, Net of Accumulated Depreciation 14,945 15,390    
Encumbrances $ 17,600      
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 16,264      
Total Cost        
Land 3,561      
Building / Construction in Progress & Improvements 37,585      
Total 41,146      
Accumulated Depreciation 21,165      
Total Cost, Net of Accumulated Depreciation 19,981 21,194    
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 6,445      
Total Cost        
Land 4,726      
Building / Construction in Progress & Improvements 25,575      
Total 30,301      
Accumulated Depreciation 16,244      
Total Cost, Net of Accumulated Depreciation 14,057 14,655    
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 6,484      
Total Cost        
Land 14,029      
Building / Construction in Progress & Improvements 84,936      
Total 98,965      
Accumulated Depreciation 44,762      
Total Cost, Net of Accumulated Depreciation 54,203 54,325    
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 603      
Total Cost        
Land 28,687      
Building / Construction in Progress & Improvements 119,759      
Total 148,446      
Accumulated Depreciation 38,977      
Total Cost, Net of Accumulated Depreciation 109,469 113,287    
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 1,972      
Total Cost        
Land 5,544      
Building / Construction in Progress & Improvements 52,878      
Total 58,422      
Accumulated Depreciation 12,527      
Total Cost, Net of Accumulated Depreciation 45,895 47,746    
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 1,285      
Total Cost        
Land 20,267      
Building / Construction in Progress & Improvements 98,606      
Total 118,873      
Accumulated Depreciation 16,867      
Total Cost, Net of Accumulated Depreciation 102,006 105,711    
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 0      
Total Cost        
Land 12,595      
Building / Construction in Progress & Improvements 81,228      
Total 93,823      
Accumulated Depreciation 10,793      
Total Cost, Net of Accumulated Depreciation 83,030 85,972    
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 5,946      
Total Cost        
Land 40,780      
Building / Construction in Progress & Improvements 74,630      
Total 115,410      
Accumulated Depreciation 18,038      
Total Cost, Net of Accumulated Depreciation 97,372 99,104    
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 1,972      
Total Cost        
Land 23,787      
Building / Construction in Progress & Improvements 46,906      
Total 70,693      
Accumulated Depreciation 10,782      
Total Cost, Net of Accumulated Depreciation 59,911 61,422    
Encumbrances $ 28,999      
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 3,117      
Total Cost        
Land 33,303      
Building / Construction in Progress & Improvements 66,027      
Total 99,330      
Accumulated Depreciation 15,217      
Total Cost, Net of Accumulated Depreciation 84,113 86,285    
Encumbrances $ 52,090      
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 49,269      
Total Cost        
Land 22,483      
Building / Construction in Progress & Improvements 77,373      
Total 99,856      
Accumulated Depreciation 43,470      
Total Cost, Net of Accumulated Depreciation 56,386 58,391    
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 49,923      
Total Cost        
Land 23,828      
Building / Construction in Progress & Improvements 90,295      
Total 114,123      
Accumulated Depreciation 48,604      
Total Cost, Net of Accumulated Depreciation 65,519 68,144    
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 10,275      
Total Cost        
Land 7,045      
Building / Construction in Progress & Improvements 23,261      
Total 30,306      
Accumulated Depreciation 16,667      
Total Cost, Net of Accumulated Depreciation 13,639 13,785    
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 2,244      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 44,808      
Total 44,808      
Accumulated Depreciation 23,395      
Total Cost, Net of Accumulated Depreciation 21,413 22,931    
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 25,101      
Total Cost        
Land 14,053      
Building / Construction in Progress & Improvements 81,928      
Total 95,981      
Accumulated Depreciation 40,332      
Total Cost, Net of Accumulated Depreciation 55,649 58,046    
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 1,232      
Total Cost        
Land 8,446      
Building / Construction in Progress & Improvements 41,522      
Total 49,968      
Accumulated Depreciation 17,877      
Total Cost, Net of Accumulated Depreciation 32,091 33,255    
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 1,467      
Total Cost        
Land 5,459      
Building / Construction in Progress & Improvements 42,649      
Total 48,108      
Accumulated Depreciation 17,219      
Total Cost, Net of Accumulated Depreciation 30,889 32,285    
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 1,309      
Total Cost        
Land 12,789      
Building / Construction in Progress & Improvements 50,382      
Total 63,171      
Accumulated Depreciation 17,728      
Total Cost, Net of Accumulated Depreciation 45,443 46,987    
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 892      
Total Cost        
Land 7,920      
Building / Construction in Progress & Improvements 45,737      
Total 53,657      
Accumulated Depreciation 16,667      
Total Cost, Net of Accumulated Depreciation 36,990 38,245    
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 94,076      
Costs Subsequent to Acquisition / Construction 1,594      
Total Cost        
Land 14,734      
Building / Construction in Progress & Improvements 95,670      
Total 110,404      
Accumulated Depreciation 14,164      
Total Cost, Net of Accumulated Depreciation 96,240 98,607    
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 2,950      
Total Cost        
Land 9,796      
Building / Construction in Progress & Improvements 44,690      
Total 54,486      
Accumulated Depreciation 12,077      
Total Cost, Net of Accumulated Depreciation 42,409 43,186    
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 1,458      
Total Cost        
Land 1,916      
Building / Construction in Progress & Improvements 9,277      
Total 11,193      
Accumulated Depreciation 2,621      
Total Cost, Net of Accumulated Depreciation 8,572 8,922    
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 812      
Total Cost        
Land 2,953      
Building / Construction in Progress & Improvements 13,240      
Total 16,193      
Accumulated Depreciation 3,683      
Total Cost, Net of Accumulated Depreciation 12,510 12,972    
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 5,552      
Total Cost        
Land 8,400      
Building / Construction in Progress & Improvements 17,099      
Total 25,499      
Accumulated Depreciation 3,849      
Total Cost, Net of Accumulated Depreciation 21,650 22,255    
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 1,526      
Total Cost        
Land 8,305      
Building / Construction in Progress & Improvements 22,721      
Total 31,026      
Accumulated Depreciation 5,203      
Total Cost, Net of Accumulated Depreciation 25,823 26,583    
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 3,102      
Total Cost        
Land 30,900      
Building / Construction in Progress & Improvements 75,110      
Total 106,010      
Accumulated Depreciation 17,059      
Total Cost, Net of Accumulated Depreciation 88,951 91,108    
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 30,727      
Costs Subsequent to Acquisition / Construction 0      
Total Cost        
Land 9,141      
Building / Construction in Progress & Improvements 30,727      
Total 39,868      
Accumulated Depreciation 4,894      
Total Cost, Net of Accumulated Depreciation 34,974 36,090    
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 64,759      
Costs Subsequent to Acquisition / Construction 242      
Total Cost        
Land 18,311      
Building / Construction in Progress & Improvements 65,001      
Total 83,312      
Accumulated Depreciation 7,380      
Total Cost, Net of Accumulated Depreciation 75,932 78,196    
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 1,296      
Total Cost        
Land 9,600      
Building / Construction in Progress & Improvements 38,898      
Total 48,498      
Accumulated Depreciation 7,097      
Total Cost, Net of Accumulated Depreciation 41,401 42,849    
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 5,228      
Total Cost        
Land 42,020      
Building / Construction in Progress & Improvements 78,589      
Total 120,609      
Accumulated Depreciation 20,230      
Total Cost, Net of Accumulated Depreciation 100,379 102,927    
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 11,255      
Total Cost        
Land 42,720      
Building / Construction in Progress & Improvements 118,897      
Total 161,617      
Accumulated Depreciation 33,023      
Total Cost, Net of Accumulated Depreciation 128,594 132,313    
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 6,295      
Total Cost        
Land 43,540      
Building / Construction in Progress & Improvements 86,269      
Total 129,809      
Accumulated Depreciation 25,105      
Total Cost, Net of Accumulated Depreciation 104,704 108,080    
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 13,278      
Total Cost        
Land 32,000      
Building / Construction in Progress & Improvements 74,048      
Total 106,048      
Accumulated Depreciation 16,408      
Total Cost, Net of Accumulated Depreciation 89,640 92,185    
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 4,105      
Total Cost        
Land 20,560      
Building / Construction in Progress & Improvements 110,661      
Total 131,221      
Accumulated Depreciation 24,486      
Total Cost, Net of Accumulated Depreciation 106,735 110,130    
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 2,772      
Total Cost        
Land 13,950      
Building / Construction in Progress & Improvements 22,983      
Total 36,933      
Accumulated Depreciation 7,194      
Total Cost, Net of Accumulated Depreciation 29,739 30,549    
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 11,831      
Total Cost        
Land 68,940      
Building / Construction in Progress & Improvements 102,380      
Total 171,320      
Accumulated Depreciation 29,786      
Total Cost, Net of Accumulated Depreciation 141,534 145,339    
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 2,524      
Total Cost        
Land 12,810      
Building / Construction in Progress & Improvements 25,105      
Total 37,915      
Accumulated Depreciation 7,184      
Total Cost, Net of Accumulated Depreciation 30,731 31,559    
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 6,698      
Total Cost        
Land 10,240      
Building / Construction in Progress & Improvements 38,256      
Total 48,496      
Accumulated Depreciation 8,646      
Total Cost, Net of Accumulated Depreciation 39,850 41,204    
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 9,904      
Total Cost        
Land 1,975      
Building / Construction in Progress & Improvements 13,718      
Total 15,693      
Accumulated Depreciation 7,499      
Total Cost, Net of Accumulated Depreciation 8,194 8,634    
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 3,654      
Total Cost        
Land 2,517      
Building / Construction in Progress & Improvements 12,911      
Total 15,428      
Accumulated Depreciation 9,178      
Total Cost, Net of Accumulated Depreciation 6,250 6,694    
Encumbrances $ 7,635      
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 13,646      
Total Cost        
Land 4,709      
Building / Construction in Progress & Improvements 29,709      
Total 34,418      
Accumulated Depreciation 17,892      
Total Cost, Net of Accumulated Depreciation 16,526 17,331    
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 11,237      
Total Cost        
Land 4,607      
Building / Construction in Progress & Improvements 28,148      
Total 32,755      
Accumulated Depreciation 16,900      
Total Cost, Net of Accumulated Depreciation 15,855 16,586    
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 11,058      
Total Cost        
Land 4,871      
Building / Construction in Progress & Improvements 30,803      
Total 35,674      
Accumulated Depreciation 21,048      
Total Cost, Net of Accumulated Depreciation 14,626 14,971    
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 1,522      
Total Cost        
Land 9,911      
Building / Construction in Progress & Improvements 69,042      
Total 78,953      
Accumulated Depreciation 21,983      
Total Cost, Net of Accumulated Depreciation 56,970 58,578    
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 59      
Total Cost        
Land 4,358      
Building / Construction in Progress & Improvements 40,964      
Total 45,322      
Accumulated Depreciation 8,711      
Total Cost, Net of Accumulated Depreciation 36,611 38,053    
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 3,571      
Total Cost        
Land 5,199      
Building / Construction in Progress & Improvements 24,705      
Total 29,904      
Accumulated Depreciation 6,502      
Total Cost, Net of Accumulated Depreciation 23,402 23,967    
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 98,410      
Costs Subsequent to Acquisition / Construction 27      
Total Cost        
Land 31,689      
Building / Construction in Progress & Improvements 98,437      
Total 130,126      
Accumulated Depreciation 13,019      
Total Cost, Net of Accumulated Depreciation 117,107 120,694    
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 20      
Total Cost        
Land 11,607      
Building / Construction in Progress & Improvements 43,993      
Total 55,600      
Accumulated Depreciation 4,445      
Total Cost, Net of Accumulated Depreciation 51,155 52,742    
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 40,991      
Total Cost        
Land 9,922      
Building / Construction in Progress & Improvements 81,571      
Total 91,493      
Accumulated Depreciation 44,039      
Total Cost, Net of Accumulated Depreciation 47,454 50,243    
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 12,460      
Total Cost        
Land 2,710      
Building / Construction in Progress & Improvements 23,384      
Total 26,094      
Accumulated Depreciation 15,529      
Total Cost, Net of Accumulated Depreciation 10,565 11,125    
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 23,989      
Total Cost        
Land 2,768      
Building / Construction in Progress & Improvements 44,123      
Total 46,891      
Accumulated Depreciation 25,017      
Total Cost, Net of Accumulated Depreciation 21,874 23,010    
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 4,548      
Total Cost        
Land 3,277      
Building / Construction in Progress & Improvements 17,933      
Total 21,210      
Accumulated Depreciation 4,298      
Total Cost, Net of Accumulated Depreciation 16,912 17,578    
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 4,420      
Total Cost        
Land 6,692      
Building / Construction in Progress & Improvements 31,563      
Total 38,255      
Accumulated Depreciation 8,230      
Total Cost, Net of Accumulated Depreciation 30,025 30,117    
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 94      
Total Cost        
Land 12,689      
Building / Construction in Progress & Improvements 43,422      
Total 56,111      
Accumulated Depreciation 5,762      
Total Cost, Net of Accumulated Depreciation 50,349 51,891    
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 2,778      
Total Cost        
Land 9,490      
Building / Construction in Progress & Improvements 31,260      
Total 40,750      
Accumulated Depreciation 8,602      
Total Cost, Net of Accumulated Depreciation 32,148 32,745    
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 12,050      
Total Cost        
Land 16,760      
Building / Construction in Progress & Improvements 39,744      
Total 56,504      
Accumulated Depreciation 9,645      
Total Cost, Net of Accumulated Depreciation 46,859 48,538    
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 12,448      
Total Cost        
Land 6,119      
Building / Construction in Progress & Improvements 62,673      
Total 68,792      
Accumulated Depreciation 36,163      
Total Cost, Net of Accumulated Depreciation 32,629 32,735    
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 10,335      
Total Cost        
Land 6,581      
Building / Construction in Progress & Improvements 36,918      
Total 43,499      
Accumulated Depreciation 23,867      
Total Cost, Net of Accumulated Depreciation 19,632 20,423    
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 14,536      
Total Cost        
Land 9,560      
Building / Construction in Progress & Improvements 70,672      
Total 80,232      
Accumulated Depreciation 34,118      
Total Cost, Net of Accumulated Depreciation 46,114 48,600    
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 $ 35,210      
Building / Construction in Progress & Improvements 116,574      
Costs Subsequent to Acquisition / Construction 1,026      
Total Cost        
Land 35,210      
Building / Construction in Progress & Improvements 117,600      
Total 152,810      
Accumulated Depreciation 6,448      
Total Cost, Net of Accumulated Depreciation 146,362 148,875    
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 $ 16,615      
Building / Construction in Progress & Improvements 82,333      
Costs Subsequent to Acquisition / Construction 0      
Total Cost        
Land 16,615      
Building / Construction in Progress & Improvements 82,333      
Total 98,948      
Accumulated Depreciation 5,037      
Total Cost, Net of Accumulated Depreciation 93,911 96,241    
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 1,809      
Total Cost        
Land 18,408      
Building / Construction in Progress & Improvements 54,089      
Total 72,497      
Accumulated Depreciation 5,881      
Total Cost, Net of Accumulated Depreciation 66,616 68,627    
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 7,273      
Total Cost        
Land 4,626      
Building / Construction in Progress & Improvements 30,227      
Total 34,853      
Accumulated Depreciation 6,353      
Total Cost, Net of Accumulated Depreciation 28,500 27,907    
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 7,106      
Total Cost        
Land 9,110      
Building / Construction in Progress & Improvements 22,477      
Total 31,587      
Accumulated Depreciation 5,025      
Total Cost, Net of Accumulated Depreciation 26,562 27,174    
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 9,294      
Total Cost        
Land 18,940      
Building / Construction in Progress & Improvements 52,955      
Total 71,895      
Accumulated Depreciation 12,323      
Total Cost, Net of Accumulated Depreciation 59,572 56,612    
Encumbrances $ 41,400      
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 81,446      
Total Cost        
Land 86,450      
Building / Construction in Progress & Improvements 242,702      
Total 329,152      
Accumulated Depreciation 47,292      
Total Cost, Net of Accumulated Depreciation 281,860 245,858    
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 12,555      
Total Cost        
Land 27,190      
Building / Construction in Progress & Improvements 69,596      
Total 96,786      
Accumulated Depreciation 16,120      
Total Cost, Net of Accumulated Depreciation 80,666 76,723    
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 8,901      
Total Cost, Net of Accumulated Depreciation 110,582 114,001    
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 33,787      
Total Cost        
Land 17,658      
Building / Construction in Progress & Improvements 124,502      
Total 142,160      
Accumulated Depreciation 25,235      
Total Cost, Net of Accumulated Depreciation 116,925 120,511    
Encumbrances $ 0      
Current Communities | The Lodge 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 67,364      
Costs Subsequent to Acquisition / Construction 1,748      
Total Cost        
Land 8,047      
Building / Construction in Progress & Improvements 69,112      
Total 77,159      
Accumulated Depreciation 5,347      
Total Cost, Net of Accumulated Depreciation 71,812 74,951    
Encumbrances $ 0      
Current Communities | The Meadows        
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 61,442      
Costs Subsequent to Acquisition / Construction 3,337      
Total Cost        
Land 8,527      
Building / Construction in Progress & Improvements 64,779      
Total 73,306      
Accumulated Depreciation 634      
Total Cost, Net of Accumulated Depreciation 72,672      
Encumbrances $ 0      
Current Communities | Ironwood at 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 1,373      
Total Cost        
Land 4,461      
Building / Construction in Progress & Improvements 71,090      
Total 75,551      
Accumulated Depreciation 988      
Total Cost, Net of Accumulated Depreciation 74,563      
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 3,536      
Total Cost        
Land 21,430      
Building / Construction in Progress & Improvements 117,621      
Total 139,051      
Accumulated Depreciation 8,119      
Total Cost, Net of Accumulated Depreciation 130,932 138,399    
Encumbrances $ 0      
Current Communities | Alexander Apartments & 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 2,707      
Total Cost        
Land 9,597      
Building / Construction in Progress & Improvements 93,657      
Total 103,254      
Accumulated Depreciation 1,867      
Total Cost, Net of Accumulated Depreciation 101,387      
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 16,263      
Total Cost        
Land 11,039      
Building / Construction in Progress & Improvements 61,810      
Total 72,849      
Accumulated Depreciation 27,821      
Total Cost, Net of Accumulated Depreciation 45,028 36,413    
Encumbrances $ 0      
Current Communities | Avalon 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 11,875      
Total Cost        
Land 14,572      
Building / Construction in Progress & Improvements 57,786      
Total 72,358      
Accumulated Depreciation 21,777      
Total Cost, Net of Accumulated Depreciation 50,581 51,450    
Encumbrances $ 37,561      
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 48,602      
Total Cost        
Land 9,034      
Building / Construction in Progress & Improvements 85,142      
Total 94,176      
Accumulated Depreciation 36,970      
Total Cost, Net of Accumulated Depreciation 57,206 58,863    
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 $ 14,685      
Building / Construction in Progress & Improvements 78,548      
Costs Subsequent to Acquisition / Construction 14      
Total Cost        
Land 14,685      
Building / Construction in Progress & Improvements 78,562      
Total 93,247      
Accumulated Depreciation 5,855      
Total Cost, Net of Accumulated Depreciation 87,392 89,853    
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 $ 10,855      
Building / Construction in Progress & Improvements 62,933      
Costs Subsequent to Acquisition / Construction 0      
Total Cost        
Land 10,855      
Building / Construction in Progress & Improvements 62,933      
Total 73,788      
Accumulated Depreciation 4,496      
Total Cost, Net of Accumulated Depreciation 69,292 71,294    
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 5,218      
Total Cost, Net of Accumulated Depreciation 66,632 69,006    
Encumbrances $ 0      
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 69,381      
Costs Subsequent to Acquisition / Construction 2,546      
Total Cost        
Land 12,208      
Building / Construction in Progress & Improvements 71,927      
Total 84,135      
Accumulated Depreciation 2,099      
Total Cost, Net of Accumulated Depreciation 82,036      
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 9,461      
Total Cost        
Land 5,982      
Building / Construction in Progress & Improvements 33,850      
Total 39,832      
Accumulated Depreciation 16,782      
Total Cost, Net of Accumulated Depreciation 23,050 24,202    
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 15,658      
Total Cost        
Land 6,647      
Building / Construction in Progress & Improvements 50,564      
Total 57,211      
Accumulated Depreciation 24,531      
Total Cost, Net of Accumulated Depreciation 32,680 26,168    
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 $ 26,460      
Building / Construction in Progress & Improvements 68,070      
Costs Subsequent to Acquisition / Construction 635      
Total Cost        
Land 26,460      
Building / Construction in Progress & Improvements 68,705      
Total 95,165      
Accumulated Depreciation 5,009      
Total Cost, Net of Accumulated Depreciation 90,156 92,574    
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 58,479      
Costs Subsequent to Acquisition / Construction 0      
Total Cost        
Land 8,605      
Building / Construction in Progress & Improvements 58,479      
Total 67,084      
Accumulated Depreciation 991      
Total Cost, Net of Accumulated Depreciation 66,093 37,302    
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 26,217      
Total Cost        
Land 3,118      
Building / Construction in Progress & Improvements 38,190      
Total 41,308      
Accumulated Depreciation 17,722      
Total Cost, Net of Accumulated Depreciation 23,586 23,265    
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 14,752      
Total Cost        
Land 6,207      
Building / Construction in Progress & Improvements 55,543      
Total 61,750      
Accumulated Depreciation 28,518      
Total Cost, Net of Accumulated Depreciation 33,232 29,584    
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 133,728      
Costs Subsequent to Acquisition / Construction 20      
Total Cost        
Land 50,477      
Building / Construction in Progress & Improvements 133,748      
Total 184,225      
Accumulated Depreciation 11,810      
Total Cost, Net of Accumulated Depreciation 172,415 176,466    
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 65,640      
Costs Subsequent to Acquisition / Construction 16      
Total Cost        
Land 14,777      
Building / Construction in Progress & Improvements 65,656      
Total 80,433      
Accumulated Depreciation 3,680      
Total Cost, Net of Accumulated Depreciation 76,753 78,304    
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 38,625      
Total Cost        
Land 154,730      
Building / Construction in Progress & Improvements 218,878      
Total 373,608      
Accumulated Depreciation 48,129      
Total Cost, Net of Accumulated Depreciation 325,479 316,821    
Encumbrances $ 100,500      
Current Communities | Archstone Lexington [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 222      
Initial Cost        
Land and improvements $ 4,540      
Building / Construction in Progress & Improvements 25,946      
Costs Subsequent to Acquisition / Construction 2,241      
Total Cost        
Land 4,540      
Building / Construction in Progress & Improvements 28,187      
Total 32,727      
Accumulated Depreciation 8,041      
Total Cost, Net of Accumulated Depreciation 24,686 25,676    
Encumbrances $ 21,700      
Current Communities | Archstone Toscano        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 474      
Initial Cost        
Land and improvements $ 15,607      
Building / Construction in Progress & Improvements 74,541      
Costs Subsequent to Acquisition / Construction 5      
Total Cost        
Land 15,607      
Building / Construction in Progress & Improvements 74,546      
Total 90,153      
Accumulated Depreciation 13,580      
Total Cost, Net of Accumulated Depreciation 76,573 77,452    
Encumbrances $ 0      
Current Communities | Memorial Heights Villages        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 318      
Initial Cost        
Land and improvements $ 9,607      
Building / Construction in Progress & Improvements 52,753      
Costs Subsequent to Acquisition / Construction 0      
Total Cost        
Land 9,607      
Building / Construction in Progress & Improvements 52,753      
Total 62,360      
Accumulated Depreciation 12,358      
Total Cost, Net of Accumulated Depreciation 50,002 47,539    
Encumbrances $ 0      
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 5,599      
Total Cost        
Land 2,152      
Building / Construction in Progress & Improvements 14,506      
Total 16,658      
Accumulated Depreciation 8,673      
Total Cost, Net of Accumulated Depreciation 7,985 8,358    
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 31,874      
Total Cost        
Land 22,041      
Building / Construction in Progress & Improvements 122,170      
Total 144,211      
Accumulated Depreciation 58,365      
Total Cost, Net of Accumulated Depreciation 85,846 89,833    
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 114,072      
Costs Subsequent to Acquisition / Construction 9,427      
Total Cost        
Land 29,377      
Building / Construction in Progress & Improvements 123,499      
Total 152,876      
Accumulated Depreciation 11,758      
Total Cost, Net of Accumulated Depreciation 141,118 147,481    
Encumbrances $ 0      
Current Communities | Oakwood Arlington [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 184      
Initial Cost        
Land and improvements $ 18,850      
Building / Construction in Progress & Improvements 38,545      
Costs Subsequent to Acquisition / Construction 4,945      
Total Cost        
Land 18,850      
Building / Construction in Progress & Improvements 43,490      
Total 62,340      
Accumulated Depreciation 10,199      
Total Cost, Net of Accumulated Depreciation 52,141 51,839    
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 $ 22,668      
Building / Construction in Progress & Improvements 113,299      
Costs Subsequent to Acquisition / Construction 610      
Total Cost        
Land 22,668      
Building / Construction in Progress & Improvements 113,909      
Total 136,577      
Accumulated Depreciation 9,170      
Total Cost, Net of Accumulated Depreciation 127,407 130,451    
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 110,963      
Costs Subsequent to Acquisition / Construction 287      
Total Cost        
Land 9,623      
Building / Construction in Progress & Improvements 111,250      
Total 120,873      
Accumulated Depreciation 5,898      
Total Cost, Net of Accumulated Depreciation 114,975 117,186    
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 $ 23,519      
Building / Construction in Progress & Improvements 179,121      
Costs Subsequent to Acquisition / Construction 171      
Total Cost        
Land 23,519      
Building / Construction in Progress & Improvements 179,292      
Total 202,811      
Accumulated Depreciation 6,400      
Total Cost, Net of Accumulated Depreciation 196,411 182,566    
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 114,324      
Costs Subsequent to Acquisition / Construction 603      
Total Cost        
Land 25,246      
Building / Construction in Progress & Improvements 114,927      
Total 140,173      
Accumulated Depreciation 7,145      
Total Cost, Net of Accumulated Depreciation 133,028 135,867    
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 $ 22,791      
Building / Construction in Progress & Improvements 246,871      
Costs Subsequent to Acquisition / Construction 679      
Total Cost        
Land 22,791      
Building / Construction in Progress & Improvements 247,550      
Total 270,341      
Accumulated Depreciation 14,703      
Total Cost, Net of Accumulated Depreciation 255,638 262,410    
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 $ 3,155      
Building / Construction in Progress & Improvements 60,599      
Costs Subsequent to Acquisition / Construction 0      
Total Cost        
Land 3,155      
Building / Construction in Progress & Improvements 60,599      
Total 63,754      
Accumulated Depreciation 3,269      
Total Cost, Net of Accumulated Depreciation 60,485 61,556    
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 68,712      
Costs Subsequent to Acquisition / Construction 0      
Total Cost        
Land 6,494      
Building / Construction in Progress & Improvements 68,712      
Total 75,206      
Accumulated Depreciation 3,076      
Total Cost, Net of Accumulated Depreciation 72,130 70,188    
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 49,322      
Costs Subsequent to Acquisition / Construction 0      
Total Cost        
Land 15,179      
Building / Construction in Progress & Improvements 49,322      
Total 64,501      
Accumulated Depreciation 1,893      
Total Cost, Net of Accumulated Depreciation 62,608 61,202    
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 $ 18,264      
Building / Construction in Progress & Improvements 74,582      
Costs Subsequent to Acquisition / Construction 250      
Total Cost        
Land 18,264      
Building / Construction in Progress & Improvements 74,832      
Total 93,096      
Accumulated Depreciation 4,189      
Total Cost, Net of Accumulated Depreciation 88,907 89,743    
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 50,963      
Costs Subsequent to Acquisition / Construction 0      
Total Cost        
Land 7,534      
Building / Construction in Progress & Improvements 50,963      
Total 58,497      
Accumulated Depreciation 2,383      
Total Cost, Net of Accumulated Depreciation 56,114 56,382    
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 $ 5,594      
Building / Construction in Progress & Improvements 40,310      
Costs Subsequent to Acquisition / Construction 0      
Total Cost        
Land 5,594      
Building / Construction in Progress & Improvements 40,310      
Total 45,904      
Accumulated Depreciation 1,946      
Total Cost, Net of Accumulated Depreciation 43,958 41,784    
Encumbrances $ 0      
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 11,884      
Total Cost        
Land 15,756      
Building / Construction in Progress & Improvements 90,062      
Total 105,818      
Accumulated Depreciation 20,132      
Total Cost, Net of Accumulated Depreciation 85,686 82,573    
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 20,009      
Total Cost        
Land 46,790      
Building / Construction in Progress & Improvements 120,008      
Total 166,798      
Accumulated Depreciation 26,730      
Total Cost, Net of Accumulated Depreciation 140,068 129,515    
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 17,623      
Total Cost        
Land 22,890      
Building / Construction in Progress & Improvements 76,314      
Total 99,204      
Accumulated Depreciation 16,108      
Total Cost, Net of Accumulated Depreciation 83,096 77,168    
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 59,168      
Total Cost        
Land 8,776      
Building / Construction in Progress & Improvements 94,664      
Total 103,440      
Accumulated Depreciation 35,845      
Total Cost, Net of Accumulated Depreciation 67,595 64,388    
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 47,717      
Total Cost        
Land 8,002      
Building / Construction in Progress & Improvements 80,087      
Total 88,089      
Accumulated Depreciation 31,427      
Total Cost, Net of Accumulated Depreciation 56,662 49,809    
Encumbrances $ 0      
Current Communities | Avalon Court [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 14,475      
Total Cost        
Land 9,228      
Building / Construction in Progress & Improvements 64,538      
Total 73,766      
Accumulated Depreciation 37,666      
Total Cost, Net of Accumulated Depreciation 36,100 30,881    
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 8,473      
Total Cost        
Land 17,889      
Building / Construction in Progress & Improvements 83,200      
Total 101,089      
Accumulated Depreciation 21,368      
Total Cost, Net of Accumulated Depreciation 79,721 78,629    
Encumbrances $ 0      
Current Communities | Avalon 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 25,959      
Total Cost        
Land 71,640      
Building / Construction in Progress & Improvements 241,896      
Total 313,536      
Accumulated Depreciation 55,469      
Total Cost, Net of Accumulated Depreciation 258,067 256,699    
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 21,638      
Total Cost        
Land 22,580      
Building / Construction in Progress & Improvements 109,639      
Total 132,219      
Accumulated Depreciation 25,077      
Total Cost, Net of Accumulated Depreciation 107,142 99,751    
Encumbrances $ 0      
Boston, MA        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 6,331      
Initial Cost        
Land and improvements $ 227,694      
Building / Construction in Progress & Improvements 1,195,982      
Costs Subsequent to Acquisition / Construction 139,908      
Total Cost        
Land 227,694      
Building / Construction in Progress & Improvements 1,335,890      
Total 1,563,584      
Accumulated Depreciation 364,670      
Total Cost, Net of Accumulated Depreciation 1,198,914 1,231,885    
Encumbrances $ 92,637      
Fairfield, CT        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 1,970      
Initial Cost        
Land and improvements $ 72,283      
Building / Construction in Progress & Improvements 343,415      
Costs Subsequent to Acquisition / Construction 34,876      
Total Cost        
Land 72,283      
Building / Construction in Progress & Improvements 378,291      
Total 450,574      
Accumulated Depreciation 152,255      
Total Cost, Net of Accumulated Depreciation 298,319 309,241    
Encumbrances $ 0      
New England        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 8,301      
Initial Cost        
Land and improvements $ 299,977      
Building / Construction in Progress & Improvements 1,539,397      
Costs Subsequent to Acquisition / Construction 174,784      
Total Cost        
Land 299,977      
Building / Construction in Progress & Improvements 1,714,181      
Total 2,014,158      
Accumulated Depreciation 516,925      
Total Cost, Net of Accumulated Depreciation 1,497,233 1,541,126    
Encumbrances $ 92,637      
New York City, NY        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 2,732      
Initial Cost        
Land and improvements $ 315,947      
Building / Construction in Progress & Improvements 877,593      
Costs Subsequent to Acquisition / Construction 47,493      
Total Cost        
Land 315,947      
Building / Construction in Progress & Improvements 925,086      
Total 1,241,033      
Accumulated Depreciation 258,497      
Total Cost, Net of Accumulated Depreciation 982,536 1,011,774    
Encumbrances $ 268,500      
New York - Suburban        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 3,233      
Initial Cost        
Land and improvements $ 216,305      
Building / Construction in Progress & Improvements 657,319      
Costs Subsequent to Acquisition / Construction 46,252      
Total Cost        
Land 216,305      
Building / Construction in Progress & Improvements 703,571      
Total 919,876      
Accumulated Depreciation 233,382      
Total Cost, Net of Accumulated Depreciation 686,494 707,846    
Encumbrances $ 77,295      
New Jersey        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 4,424      
Initial Cost        
Land and improvements $ 164,264      
Building / Construction in Progress & Improvements 691,840      
Costs Subsequent to Acquisition / Construction 69,120      
Total Cost        
Land 164,264      
Building / Construction in Progress & Improvements 760,960      
Total 925,224      
Accumulated Depreciation 232,619      
Total Cost, Net of Accumulated Depreciation 692,605 715,960    
Encumbrances $ 67,904      
Metro NY/NJ        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 10,389      
Initial Cost        
Land and improvements $ 696,516      
Building / Construction in Progress & Improvements 2,226,752      
Costs Subsequent to Acquisition / Construction 162,865      
Total Cost        
Land 696,516      
Building / Construction in Progress & Improvements 2,389,617      
Total 3,086,133      
Accumulated Depreciation 724,498      
Total Cost, Net of Accumulated Depreciation 2,361,635 2,435,580    
Encumbrances $ 413,699      
Mid-Atlantic        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 9,274      
Initial Cost        
Land and improvements $ 529,261      
Building / Construction in Progress & Improvements 1,546,726      
Costs Subsequent to Acquisition / Construction 150,328      
Total Cost        
Land 529,261      
Building / Construction in Progress & Improvements 1,697,054      
Total 2,226,315      
Accumulated Depreciation 518,906      
Total Cost, Net of Accumulated Depreciation 1,707,409 1,760,440    
Encumbrances $ 99,285      
Pacific Northwest        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 3,256      
Initial Cost        
Land and improvements $ 121,685      
Building / Construction in Progress & Improvements 570,625      
Costs Subsequent to Acquisition / Construction 35,342      
Total Cost        
Land 121,685      
Building / Construction in Progress & Improvements 605,967      
Total 727,652      
Accumulated Depreciation 203,721      
Total Cost, Net of Accumulated Depreciation 523,931 543,691    
Encumbrances $ 0      
San Jose, CA        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 4,197      
Initial Cost        
Land and improvements $ 281,386      
Building / Construction in Progress & Improvements 661,253      
Costs Subsequent to Acquisition / Construction 124,541      
Total Cost        
Land 281,386      
Building / Construction in Progress & Improvements 785,794      
Total 1,067,180      
Accumulated Depreciation 332,016      
Total Cost, Net of Accumulated Depreciation 735,164 761,192    
Encumbrances $ 38,800      
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 658,474      
Costs Subsequent to Acquisition / Construction 74,203      
Total Cost        
Land 106,827      
Building / Construction in Progress & Improvements 732,677      
Total 839,504      
Accumulated Depreciation 242,747      
Total Cost, Net of Accumulated Depreciation 596,757 619,351    
Encumbrances $ 3,699      
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 114,119      
Total Cost        
Land 216,871      
Building / Construction in Progress & Improvements 862,513      
Total 1,079,384      
Accumulated Depreciation 312,898      
Total Cost, Net of Accumulated Depreciation 766,486 789,297    
Encumbrances $ 183,939      
Northern California        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 10,798      
Initial Cost        
Land and improvements $ 605,084      
Building / Construction in Progress & Improvements 2,068,121      
Costs Subsequent to Acquisition / Construction 312,863      
Total Cost        
Land 605,084      
Building / Construction in Progress & Improvements 2,380,984      
Total 2,986,068      
Accumulated Depreciation 887,661      
Total Cost, Net of Accumulated Depreciation 2,098,407 2,169,840    
Encumbrances $ 226,438      
Los Angeles, CA        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 8,374      
Initial Cost        
Land and improvements $ 502,859      
Building / Construction in Progress & Improvements 1,343,346      
Costs Subsequent to Acquisition / Construction 224,230      
Total Cost        
Land 502,859      
Building / Construction in Progress & Improvements 1,567,576      
Total 2,070,435      
Accumulated Depreciation 492,048      
Total Cost, Net of Accumulated Depreciation 1,578,387 1,627,123    
Encumbrances $ 111,500      
Orange County, CA        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 2,443      
Initial Cost        
Land and improvements $ 81,443      
Building / Construction in Progress & Improvements 337,732      
Costs Subsequent to Acquisition / Construction 54,698      
Total Cost        
Land 81,443      
Building / Construction in Progress & Improvements 392,430      
Total 473,873      
Accumulated Depreciation 127,177      
Total Cost, Net of Accumulated Depreciation 346,696 358,250    
Encumbrances $ 7,635      
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 101,330      
Total Cost        
Land 64,308      
Building / Construction in Progress & Improvements 313,000      
Total 377,308      
Accumulated Depreciation 121,122      
Total Cost, Net of Accumulated Depreciation 256,186 265,247    
Encumbrances $ 0      
Southern California        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 12,883      
Initial Cost        
Land and improvements $ 648,610      
Building / Construction in Progress & Improvements 1,892,748      
Costs Subsequent to Acquisition / Construction 380,258      
Total Cost        
Land 648,610      
Building / Construction in Progress & Improvements 2,273,006      
Total 2,921,616      
Accumulated Depreciation 740,347      
Total Cost, Net of Accumulated Depreciation 2,181,269 2,250,620    
Encumbrances $ 119,135      
Established Communities        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 54,901      
Initial Cost        
Land and improvements $ 2,901,133      
Building / Construction in Progress & Improvements 9,844,369      
Costs Subsequent to Acquisition / Construction 1,216,440      
Total Cost        
Land 2,901,133      
Building / Construction in Progress & Improvements 11,060,809      
Total 13,961,942      
Accumulated Depreciation 3,592,058      
Total Cost, Net of Accumulated Depreciation 10,369,884 10,701,297    
Encumbrances $ 951,194      
Lease-Up Communities        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 2,608      
Initial Cost        
Land and improvements $ 127,776      
Building / Construction in Progress & Improvements 884,804      
Costs Subsequent to Acquisition / Construction 1,703      
Total Cost        
Land 127,776      
Building / Construction in Progress & Improvements 886,507      
Total 1,014,283      
Accumulated Depreciation 45,004      
Total Cost, Net of Accumulated Depreciation 969,279 961,698    
Encumbrances $ 0      
Redevelopment Communities        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 3,648      
Initial Cost        
Land and improvements $ 223,551      
Building / Construction in Progress & Improvements 733,462      
Costs Subsequent to Acquisition / Construction 226,946      
Total Cost        
Land 223,551      
Building / Construction in Progress & Improvements 960,408      
Total 1,183,959      
Accumulated Depreciation 269,822      
Total Cost, Net of Accumulated Depreciation 914,137 869,413    
Encumbrances $ 0      
Other Stabilized Communities        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 13,733      
Initial Cost        
Land and improvements $ 815,575      
Building / Construction in Progress & Improvements 2,932,764      
Costs Subsequent to Acquisition / Construction 444,470      
Total Cost        
Land 815,575      
Building / Construction in Progress & Improvements 3,377,234      
Total 4,192,809      
Accumulated Depreciation 649,168      
Total Cost, Net of Accumulated Depreciation 3,543,641 3,175,017    
Encumbrances $ 201,161      
Development Communities        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 6,609      
Initial Cost        
Land and improvements $ 20,093      
Building / Construction in Progress & Improvements 129,582      
Costs Subsequent to Acquisition / Construction 1,652,015      
Total Cost        
Land 20,093      
Building / Construction in Progress & Improvements 1,781,597      
Total 1,801,690      
Accumulated Depreciation 1,428      
Total Cost, Net of Accumulated Depreciation 1,800,262 953,129    
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 $ 0      
Building / Construction in Progress & Improvements 3,995      
Costs Subsequent to Acquisition / Construction 110,229      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 114,224      
Total 114,224      
Accumulated Depreciation 90      
Total Cost, Net of Accumulated Depreciation 114,134 55,872    
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 $ 0      
Building / Construction in Progress & Improvements 1,157      
Costs Subsequent to Acquisition / Construction 220,298      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 221,455      
Total 221,455      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 221,455 169,007    
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 88      
Costs Subsequent to Acquisition / Construction 32,168      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 32,256      
Total 32,256      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 32,256 8,812    
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 0      
Costs Subsequent to Acquisition / Construction 35,154      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 35,154      
Total 35,154      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 35,154      
Encumbrances $ 0      
Development 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 $ 6,166      
Building / Construction in Progress & Improvements 37,960      
Costs Subsequent to Acquisition / Construction 15,309      
Total Cost        
Land 6,166      
Building / Construction in Progress & Improvements 53,269      
Total 59,435      
Accumulated Depreciation 291      
Total Cost, Net of Accumulated Depreciation 59,144 23,792    
Encumbrances $ 0      
Development Communities | Avalon Sudbury [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 250      
Initial Cost        
Land and improvements $ 12,525      
Building / Construction in Progress & Improvements 44,666      
Costs Subsequent to Acquisition / Construction 22,053      
Total Cost        
Land 12,525      
Building / Construction in Progress & Improvements 66,719      
Total 79,244      
Accumulated Depreciation 602      
Total Cost, Net of Accumulated Depreciation 78,642 33,595    
Encumbrances $ 0      
Development Communities | Avalon Saugus [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 280      
Initial Cost        
Land and improvements $ 0      
Building / Construction in Progress & Improvements 59      
Costs Subsequent to Acquisition / Construction 52,630      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 52,689      
Total 52,689      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 52,689      
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 $ 0      
Building / Construction in Progress & Improvements 0      
Costs Subsequent to Acquisition / Construction 21,641      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 21,641      
Total 21,641      
Accumulated Depreciation 59      
Total Cost, Net of Accumulated Depreciation 21,582      
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 0      
Costs Subsequent to Acquisition / Construction 15,844      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 15,844      
Total 15,844      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 15,844 14,072    
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 16      
Costs Subsequent to Acquisition / Construction 42,670      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 42,686      
Total 42,686      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 42,686 3,985    
Encumbrances $ 0      
Development Communities | Avalon Harbor East [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 63      
Costs Subsequent to Acquisition / Construction 28,038      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 28,101      
Total 28,101      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 28,101      
Encumbrances $ 0      
Development Communities | Avalon Boonton [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 1,254      
Costs Subsequent to Acquisition / Construction 71,648      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 72,902      
Total 72,902      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 72,902 29,954    
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 $ 0      
Building / Construction in Progress & Improvements 189      
Costs Subsequent to Acquisition / Construction 43,319      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 43,508      
Total 43,508      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 43,508 18,609    
Encumbrances $ 0      
Development Communities | Avalon Piscataway [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 360      
Initial Cost        
Land and improvements $ 1,402      
Building / Construction in Progress & Improvements 34,406      
Costs Subsequent to Acquisition / Construction 40,326      
Total Cost        
Land 1,402      
Building / Construction in Progress & Improvements 74,732      
Total 76,134      
Accumulated Depreciation 386      
Total Cost, Net of Accumulated Depreciation 75,748 28,303    
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 0      
Costs Subsequent to Acquisition / Construction 11,573      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 11,573      
Total 11,573      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 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 $ 0      
Building / Construction in Progress & Improvements 303      
Costs Subsequent to Acquisition / Construction 88,903      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 89,206      
Total 89,206      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 89,206 23,300    
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 5,504      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 5,504      
Total 5,504      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 5,504      
Encumbrances $ 0      
Development Communities | Avalon Belltown Towers [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 273      
Initial Cost        
Land and improvements $ 0      
Building / Construction in Progress & Improvements 1,536      
Costs Subsequent to Acquisition / Construction 115,897      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 117,433      
Total 117,433      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 117,433 50,636    
Encumbrances $ 0      
Development Communities | AVA Esterra Park [Member]        
Real Estate and Accumulated Depreciation        
Number of apartment homes in communities owned | home 323      
Initial Cost        
Land and improvements $ 0      
Building / Construction in Progress & Improvements 1,220      
Costs Subsequent to Acquisition / Construction 74,532      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 75,752      
Total 75,752      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 75,752 37,048    
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 0      
Costs Subsequent to Acquisition / Construction 22,384      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 22,384      
Total 22,384      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 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 $ 0      
Building / Construction in Progress & Improvements 151      
Costs Subsequent to Acquisition / Construction 37,907      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 38,058      
Total 38,058      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 38,058 15,432    
Encumbrances 0      
Development Communities | 15 West 61st Street [Member]        
Initial Cost        
Land and improvements 0      
Building / Construction in Progress & Improvements 2,519      
Costs Subsequent to Acquisition / Construction 543,988      
Total Cost        
Land 0      
Building / Construction in Progress & Improvements 546,507      
Total 546,507      
Accumulated Depreciation 0      
Total Cost, Net of Accumulated Depreciation 546,507 440,712    
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 $ 84,712      
Total Cost        
Land 84,712      
Total 84,712      
Total Cost, Net of Accumulated Depreciation 84,712 68,364    
Corporate overhead        
Initial Cost        
Land and improvements 10,879      
Building / Construction in Progress & Improvements 11,414      
Costs Subsequent to Acquisition / Construction 80,888      
Total Cost        
Land 10,879      
Building / Construction in Progress & Improvements 92,302      
Total 103,181      
Accumulated Depreciation 54,166      
Total Cost, Net of Accumulated Depreciation 49,015 43,073    
Encumbrances $ 5,950,000      
2018 Disposals        
Total Cost        
Total Cost, Net of Accumulated Depreciation   $ 945,566