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Schedule III: Real Estate and Accumulated Depreciation - Schedule of Real Estate and Accumulated Depreciation (Details)
$ in Thousands
Dec. 31, 2022
USD ($)
ApartmentHome
Dec. 31, 2021
USD ($)
Multi_family_apartment
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes 23,553 1,748    
Initial Cost, Land $ 1,432,556      
Initial Cost, Buildings and Improvements 4,070,702      
Costs Capitalized Subsequent to Consolidation [1] 2,573,136      
Land 1,291,429      
Buildings and Improvements 6,784,965      
Total 8,076,394 [2] $ 6,885,081 $ 7,468,864 $ 7,351,979
Accumulated Depreciation (AD) (2,449,883) [3] $ (2,284,793) $ (2,455,505) $ (2,268,839)
Total Cost Net of Accumulated Depreciation 5,626,511      
Encumbrances [4] $ 1,994,651      
Other Real Estate [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 4,559      
Initial Cost, Land $ 452,521      
Initial Cost, Buildings and Improvements 1,661,645      
Costs Capitalized Subsequent to Consolidation [1] 45,993      
Land 400,869      
Buildings and Improvements 1,759,290      
Total [2] 2,160,159      
Accumulated Depreciation (AD) [3] (64,847)      
Total Cost Net of Accumulated Depreciation 2,095,312      
Encumbrances [4] $ 257,636      
Other Real Estate [Member] | 234 East and 88th Street [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 20      
Initial Cost, Land $ 2,448      
Initial Cost, Buildings and Improvements 4,449      
Costs Capitalized Subsequent to Consolidation [1] 897      
Land 2,448      
Buildings and Improvements 5,346      
Total [2] 7,794      
Accumulated Depreciation (AD) [3] (2,043)      
Total Cost Net of Accumulated Depreciation 5,751      
Encumbrances [4] $ 0      
Other Real Estate [Member] | 707 Leahy [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 110      
Initial Cost, Land $ 20,956      
Initial Cost, Buildings and Improvements 62,605      
Costs Capitalized Subsequent to Consolidation [1] 0      
Land 20,956      
Buildings and Improvements 62,605      
Total [2] 83,561      
Accumulated Depreciation (AD) [3] (697)      
Total Cost Net of Accumulated Depreciation 82,864      
Encumbrances [4] $ 0      
Other Real Estate [Member] | The Reserve at Coconut Point [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 180      
Initial Cost, Land $ 5,162      
Initial Cost, Buildings and Improvements 66,593      
Costs Capitalized Subsequent to Consolidation [1] (794)      
Land 5,162      
Buildings and Improvements 65,799      
Total [2] 70,961      
Accumulated Depreciation (AD) [3] (1,767)      
Total Cost Net of Accumulated Depreciation 69,194      
Encumbrances [4] $ 0      
Other Real Estate [Member] | District at Flagler Village, The        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 350      
Initial Cost, Land $ 14,472      
Initial Cost, Buildings and Improvements 156,718      
Costs Capitalized Subsequent to Consolidation [1] 434      
Land 14,472      
Buildings and Improvements 157,152      
Total [2] 171,624      
Accumulated Depreciation (AD) [3] (2,734)      
Total Cost Net of Accumulated Depreciation 168,890      
Encumbrances [4] $ 0      
Other Real Estate [Member] | Flamingo Point, North Tower [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 366      
Initial Cost, Land $ 91,529      
Initial Cost, Buildings and Improvements 290,682      
Costs Capitalized Subsequent to Consolidation [1] 324      
Land 91,529      
Buildings and Improvements 291,006      
Total [2] 382,535      
Accumulated Depreciation (AD) [3] (3,115)      
Total Cost Net of Accumulated Depreciation 379,420      
Encumbrances [4] $ 0      
Other Real Estate [Member] | Fremont [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 253      
Initial Cost, Land $ 7,218      
Initial Cost, Buildings and Improvements 92,621      
Costs Capitalized Subsequent to Consolidation [1] 0      
Land 7,218      
Buildings and Improvements 92,621      
Total [2] 99,839      
Accumulated Depreciation (AD) [3] (1,064)      
Total Cost Net of Accumulated Depreciation 98,775      
Encumbrances [4] 0      
Other Real Estate [Member] | Merrill House [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost, Land 13,768      
Initial Cost, Buildings and Improvements 74,541      
Costs Capitalized Subsequent to Consolidation [1] $ 0      
Other Real Estate [Member] | Prism        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 136      
Land $ 13,768      
Buildings and Improvements 74,541      
Total [2] 88,309      
Accumulated Depreciation (AD) [3] (826)      
Total Cost Net of Accumulated Depreciation 87,483      
Encumbrances [4] $ 0      
Other Real Estate [Member] | Willard Towers        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 525      
Initial Cost, Land $ 334      
Initial Cost, Buildings and Improvements 179,141      
Costs Capitalized Subsequent to Consolidation [1] 1,492      
Land 334      
Buildings and Improvements 180,633      
Total [2] 180,967      
Accumulated Depreciation (AD) [3] (3,646)      
Total Cost Net of Accumulated Depreciation 177,321      
Encumbrances [4] $ 0      
Other Real Estate [Member] | Watermarc at Biscayne Bay, The        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 296      
Initial Cost, Land $ 34,710      
Initial Cost, Buildings and Improvements 174,237      
Costs Capitalized Subsequent to Consolidation [1] 839      
Land 34,710      
Buildings and Improvements 175,076      
Total [2] 209,786      
Accumulated Depreciation (AD) [3] (3,604)      
Total Cost Net of Accumulated Depreciation 206,182      
Encumbrances [4] $ 0      
Other Real Estate [Member] | 236-238 East and 88th Street [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 42      
Initial Cost, Land $ 8,820      
Initial Cost, Buildings and Improvements 2,914      
Costs Capitalized Subsequent to Consolidation [1] 23,438      
Land 8,820      
Buildings and Improvements 26,352      
Total [2] 35,172      
Accumulated Depreciation (AD) [3] (2,435)      
Total Cost Net of Accumulated Depreciation 32,737      
Encumbrances [4] $ 0      
Other Real Estate [Member] | 240 West and 73rd Street        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome [5] 195      
Initial Cost, Land [5] $ 68,109      
Initial Cost, Buildings and Improvements [5] 12,140      
Costs Capitalized Subsequent to Consolidation [1],[5] (29,093)      
Land [5] 20,828      
Buildings and Improvements [5] 30,328      
Total [2],[5] 51,156      
Accumulated Depreciation (AD) [3],[5] (12,002)      
Total Cost Net of Accumulated Depreciation [5] 39,154      
Encumbrances [4],[5] 0      
Other Real Estate [Member] | Other [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost, Land [6] 4,863      
Initial Cost, Buildings and Improvements [6] 0      
Costs Capitalized Subsequent to Consolidation [6] 130      
Land [6] 492      
Buildings and Improvements [6] 4,501      
Total [2],[6] 4,993      
Accumulated Depreciation (AD) [3],[6] (3)      
Total Cost Net of Accumulated Depreciation [6] 4,990      
Encumbrances [4],[6] $ 0      
Other Real Estate [Member] | City Center on 7th [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 700      
Initial Cost, Land $ 35,196      
Initial Cost, Buildings and Improvements 186,823      
Costs Capitalized Subsequent to Consolidation [1] 19,172      
Land 35,196      
Buildings and Improvements 205,995      
Total [2] 241,191      
Accumulated Depreciation (AD) [3] (12,320)      
Total Cost Net of Accumulated Depreciation 228,871      
Encumbrances [4] $ 0      
Other Real Estate [Member] | Huntington Gateway [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 443      
Initial Cost, Land $ 38,785      
Initial Cost, Buildings and Improvements 83,832      
Costs Capitalized Subsequent to Consolidation [1] 9,515      
Land 38,785      
Buildings and Improvements 93,347      
Total [2] 132,132      
Accumulated Depreciation (AD) [3] (4,823)      
Total Cost Net of Accumulated Depreciation 127,309      
Encumbrances [4] $ 93,510      
Other Real Estate [Member] | North Park [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 310      
Initial Cost, Land $ 42,900      
Initial Cost, Buildings and Improvements 68,090      
Costs Capitalized Subsequent to Consolidation [1] 7,359      
Land 42,900      
Buildings and Improvements 75,449      
Total [2] 118,349      
Accumulated Depreciation (AD) [3] (3,451)      
Total Cost Net of Accumulated Depreciation 114,898      
Encumbrances [4] $ 75,626      
Other Real Estate [Member] | Residences at Capital Crescent Trail [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 258      
Initial Cost, Land $ 15,975      
Initial Cost, Buildings and Improvements 84,167      
Costs Capitalized Subsequent to Consolidation [1] 4,368      
Land 15,975      
Buildings and Improvements 88,535      
Total [2] 104,510      
Accumulated Depreciation (AD) [3] (4,045)      
Total Cost Net of Accumulated Depreciation 100,465      
Encumbrances [4] $ 0      
Other Real Estate [Member] | Vaughan Place Apartments [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome [7] 375      
Initial Cost, Land [7] $ 47,276      
Initial Cost, Buildings and Improvements [7] 122,092      
Costs Capitalized Subsequent to Consolidation [1],[7] 7,912      
Land [7] 47,276      
Buildings and Improvements [7] 130,004      
Total [2],[7] 177,280      
Accumulated Depreciation (AD) [3],[7] (6,272)      
Total Cost Net of Accumulated Depreciation [7] 171,008      
Encumbrances [4],[7] $ 88,500      
Same Store Sales [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 18,994      
Initial Cost, Land $ 980,035      
Initial Cost, Buildings and Improvements 2,409,057      
Costs Capitalized Subsequent to Consolidation [1] 2,527,143      
Land 890,560      
Buildings and Improvements 5,025,675      
Total [2] 5,916,235      
Accumulated Depreciation (AD) [3] (2,385,036)      
Total Cost Net of Accumulated Depreciation 3,531,199      
Encumbrances [4] $ 1,737,015      
Same Store Sales [Member] | 21 Fitzsimons [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 601      
Initial Cost, Land $ 12,864      
Initial Cost, Buildings and Improvements 104,720      
Costs Capitalized Subsequent to Consolidation [1] 37,521      
Land 12,864      
Buildings and Improvements 142,241      
Total [2] 155,105      
Accumulated Depreciation (AD) [3] (47,685)      
Total Cost Net of Accumulated Depreciation 107,420      
Encumbrances [4] $ 83,827      
Same Store Sales [Member] | 3400 Avenue of the Arts [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 770      
Initial Cost, Land $ 57,241      
Initial Cost, Buildings and Improvements 65,506      
Costs Capitalized Subsequent to Consolidation [1] 100,235      
Land 57,241      
Buildings and Improvements 165,741      
Total [2] 222,982      
Accumulated Depreciation (AD) [3] (110,355)      
Total Cost Net of Accumulated Depreciation 112,627      
Encumbrances [4] $ 0      
Same Store Sales [Member] | 777 South Broad Street [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 146      
Initial Cost, Land $ 6,986      
Initial Cost, Buildings and Improvements 67,512      
Costs Capitalized Subsequent to Consolidation [1] 4,746      
Land 6,986      
Buildings and Improvements 72,258      
Total [2] 79,244      
Accumulated Depreciation (AD) [3] (13,004)      
Total Cost Net of Accumulated Depreciation 66,240      
Encumbrances [4] $ 37,500      
Same Store Sales [Member] | Avery Row [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 67      
Initial Cost, Land $ 8,165      
Initial Cost, Buildings and Improvements 21,348      
Costs Capitalized Subsequent to Consolidation [1] 2,582      
Land 8,165      
Buildings and Improvements 23,930      
Total [2] 32,095      
Accumulated Depreciation (AD) [3] (4,264)      
Total Cost Net of Accumulated Depreciation 27,831      
Encumbrances [4] $ 0      
Same Store Sales [Member] | Axiom [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 115      
Initial Cost, Land $ 0      
Initial Cost, Buildings and Improvements 63,612      
Costs Capitalized Subsequent to Consolidation [1] 4,184      
Land 0      
Buildings and Improvements 67,796      
Total [2] 67,796      
Accumulated Depreciation (AD) [3] (18,932)      
Total Cost Net of Accumulated Depreciation 48,864      
Encumbrances [4] $ 0      
Same Store Sales [Member] | Bay Parc Plaza [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 474      
Initial Cost, Land $ 22,680      
Initial Cost, Buildings and Improvements 41,847      
Costs Capitalized Subsequent to Consolidation [1] 56,222      
Land 22,680      
Buildings and Improvements 98,069      
Total [2] 120,749      
Accumulated Depreciation (AD) [3] (39,207)      
Total Cost Net of Accumulated Depreciation 81,542      
Encumbrances [4] $ 71,726      
Same Store Sales [Member] | Boston Lofts [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 158      
Initial Cost, Land $ 3,446      
Initial Cost, Buildings and Improvements 20,589      
Costs Capitalized Subsequent to Consolidation [1] 7,014      
Land 3,446      
Buildings and Improvements 27,603      
Total [2] 31,049      
Accumulated Depreciation (AD) [3] (16,719)      
Total Cost Net of Accumulated Depreciation 14,330      
Encumbrances [4] $ 0      
Same Store Sales [Member] | Boulder Creek [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 221      
Initial Cost, Land $ 754      
Initial Cost, Buildings and Improvements 7,730      
Costs Capitalized Subsequent to Consolidation [1] 19,727      
Land 754      
Buildings and Improvements 27,457      
Total [2] 28,211      
Accumulated Depreciation (AD) [3] (21,128)      
Total Cost Net of Accumulated Depreciation 7,083      
Encumbrances [4] $ 0      
Same Store Sales [Member] | Broadcast Center [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 279      
Initial Cost, Land $ 29,407      
Initial Cost, Buildings and Improvements 41,244      
Costs Capitalized Subsequent to Consolidation [1] 41,554      
Land 29,407      
Buildings and Improvements 82,798      
Total [2] 112,205      
Accumulated Depreciation (AD) [3] (42,283)      
Total Cost Net of Accumulated Depreciation 69,922      
Encumbrances [4] $ 0      
Same Store Sales [Member] | Calhoun Beach Club [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 332      
Initial Cost, Land $ 11,708      
Initial Cost, Buildings and Improvements 73,334      
Costs Capitalized Subsequent to Consolidation [1] 62,742      
Land 11,708      
Buildings and Improvements 136,076      
Total [2] 147,784      
Accumulated Depreciation (AD) [3] (98,116)      
Total Cost Net of Accumulated Depreciation 49,668      
Encumbrances [4] $ 0      
Same Store Sales [Member] | Charlesbank Apartment Homes [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 44      
Initial Cost, Land $ 3,399      
Initial Cost, Buildings and Improvements 11,726      
Costs Capitalized Subsequent to Consolidation [1] 1,347      
Land 3,399      
Buildings and Improvements 13,073      
Total [2] 16,472      
Accumulated Depreciation (AD) [3] (4,495)      
Total Cost Net of Accumulated Depreciation 11,977      
Encumbrances [4] $ 0      
Same Store Sales [Member] | Chestnut Hall [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 315      
Initial Cost, Land $ 12,338      
Initial Cost, Buildings and Improvements 14,299      
Costs Capitalized Subsequent to Consolidation [1] 15,262      
Land 12,338      
Buildings and Improvements 29,561      
Total [2] 41,899      
Accumulated Depreciation (AD) [3] (15,760)      
Total Cost Net of Accumulated Depreciation 26,139      
Encumbrances [4] $ 33,195      
Same Store Sales [Member] | Creekside [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 328      
Initial Cost, Land $ 3,189      
Initial Cost, Buildings and Improvements 12,698      
Costs Capitalized Subsequent to Consolidation [1] 8,773      
Land 3,189      
Buildings and Improvements 21,471      
Total [2] 24,660      
Accumulated Depreciation (AD) [3] (15,579)      
Total Cost Net of Accumulated Depreciation 9,081      
Encumbrances [4] $ 0      
Same Store Sales [Member] | Flamingo Point, Center Tower [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 513      
Initial Cost, Land $ 15,279      
Initial Cost, Buildings and Improvements 29,358      
Costs Capitalized Subsequent to Consolidation [1] 226,522      
Land 15,279      
Buildings and Improvements 255,880      
Total [2] 271,159      
Accumulated Depreciation (AD) [3] (131,717)      
Total Cost Net of Accumulated Depreciation 139,442      
Encumbrances [4] $ 0      
Same Store Sales [Member] | Flamingo Point, South Tower [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome [7] 256      
Initial Cost, Land [7] $ 0      
Initial Cost, Buildings and Improvements [7] 13,061      
Costs Capitalized Subsequent to Consolidation [1],[7] 74,208      
Land [7] 0      
Buildings and Improvements [7] 87,269      
Total [2],[7] 87,269      
Accumulated Depreciation (AD) [3],[7] (18,235)      
Total Cost Net of Accumulated Depreciation [7] 69,034      
Encumbrances [4],[7] $ 0      
Same Store Sales [Member] | Four Quarters Habitat [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 336      
Initial Cost, Land $ 2,379      
Initial Cost, Buildings and Improvements 17,199      
Costs Capitalized Subsequent to Consolidation [1] 40,466      
Land 2,379      
Buildings and Improvements 57,665      
Total [2] 60,044      
Accumulated Depreciation (AD) [3] (44,859)      
Total Cost Net of Accumulated Depreciation 15,185      
Encumbrances [4] $ 0      
Same Store Sales [Member] | Foxchase [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 2,113      
Initial Cost, Land $ 15,496      
Initial Cost, Buildings and Improvements 96,062      
Costs Capitalized Subsequent to Consolidation [1] 89,239      
Land 15,496      
Buildings and Improvements 185,301      
Total [2] 200,797      
Accumulated Depreciation (AD) [3] (116,237)      
Total Cost Net of Accumulated Depreciation 84,560      
Encumbrances [4] $ 0      
Same Store Sales [Member] | Hidden Cove [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 334      
Initial Cost, Land $ 3,043      
Initial Cost, Buildings and Improvements 17,616      
Costs Capitalized Subsequent to Consolidation [1] 18,343      
Land 3,043      
Buildings and Improvements 35,959      
Total [2] 39,002      
Accumulated Depreciation (AD) [3] (20,935)      
Total Cost Net of Accumulated Depreciation 18,067      
Encumbrances [4] $ 64,757      
Same Store Sales [Member] | Hidden Cove II [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 118      
Initial Cost, Land $ 12,849      
Initial Cost, Buildings and Improvements 6,530      
Costs Capitalized Subsequent to Consolidation [1] 6,337      
Land 12,849      
Buildings and Improvements 12,867      
Total [2] 25,716      
Accumulated Depreciation (AD) [3] (7,383)      
Total Cost Net of Accumulated Depreciation 18,333      
Encumbrances [4] $ 25,183      
Same Store Sales [Member] | Hillcreste [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 315      
Initial Cost, Land $ 35,862      
Initial Cost, Buildings and Improvements 47,216      
Costs Capitalized Subsequent to Consolidation [1] 24,118      
Land 35,862      
Buildings and Improvements 71,334      
Total [2] 107,196      
Accumulated Depreciation (AD) [3] (37,357)      
Total Cost Net of Accumulated Depreciation 69,839      
Encumbrances [4] $ 0      
Same Store Sales [Member] | Indian Oaks [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 254      
Initial Cost, Land $ 24,523      
Initial Cost, Buildings and Improvements 15,801      
Costs Capitalized Subsequent to Consolidation [1] 12,877      
Land 24,523      
Buildings and Improvements 28,678      
Total [2] 53,201      
Accumulated Depreciation (AD) [3] (20,041)      
Total Cost Net of Accumulated Depreciation 33,160      
Encumbrances [4] $ 58,955      
Same Store Sales [Member] | Indigo [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 463      
Initial Cost, Land $ 26,932      
Initial Cost, Buildings and Improvements 296,116      
Costs Capitalized Subsequent to Consolidation [1] 11,426      
Land 26,932      
Buildings and Improvements 307,542      
Total [2] 334,474      
Accumulated Depreciation (AD) [3] (69,079)      
Total Cost Net of Accumulated Depreciation 265,395      
Encumbrances [4] $ 175,459      
Same Store Sales [Member] | Island Club [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 592      
Initial Cost, Land $ 18,027      
Initial Cost, Buildings and Improvements 28,654      
Costs Capitalized Subsequent to Consolidation [1] 39,520      
Land 18,027      
Buildings and Improvements 68,174      
Total [2] 86,201      
Accumulated Depreciation (AD) [3] (41,884)      
Total Cost Net of Accumulated Depreciation 44,317      
Encumbrances [4] $ 0      
Same Store Sales [Member] | Latrobe [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 175      
Initial Cost, Land $ 3,459      
Initial Cost, Buildings and Improvements 9,103      
Costs Capitalized Subsequent to Consolidation [1] 13,374      
Land 3,459      
Buildings and Improvements 22,477      
Total [2] 25,936      
Accumulated Depreciation (AD) [3] (16,965)      
Total Cost Net of Accumulated Depreciation 8,971      
Encumbrances [4] $ 0      
Same Store Sales [Member] | Laurel Crossing [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 418      
Initial Cost, Land $ 49,474      
Initial Cost, Buildings and Improvements 17,756      
Costs Capitalized Subsequent to Consolidation [1] 17,574      
Land 49,474      
Buildings and Improvements 35,330      
Total [2] 84,804      
Accumulated Depreciation (AD) [3] (20,793)      
Total Cost Net of Accumulated Depreciation 64,011      
Encumbrances [4] $ 0      
Same Store Sales [Member] | Lincoln Place [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome [5] 795      
Initial Cost, Land [5] $ 128,332      
Initial Cost, Buildings and Improvements [5] 10,439      
Costs Capitalized Subsequent to Consolidation [1],[5] 257,698      
Land [5] 44,197      
Buildings and Improvements [5] 352,272      
Total [2],[5] 396,469      
Accumulated Depreciation (AD) [3],[5] (182,175)      
Total Cost Net of Accumulated Depreciation [5] 214,294      
Encumbrances [4],[5] $ 173,676      
Same Store Sales [Member] | Locust On The Park [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 151      
Initial Cost, Land $ 5,292      
Initial Cost, Buildings and Improvements 53,823      
Costs Capitalized Subsequent to Consolidation [1] 9,831      
Land 5,292      
Buildings and Improvements 63,654      
Total [2] 68,946      
Accumulated Depreciation (AD) [3] (11,937)      
Total Cost Net of Accumulated Depreciation 57,009      
Encumbrances [4] $ 33,442      
Same Store Sales [Member] | Malibu Canyon [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 698      
Initial Cost, Land $ 69,834      
Initial Cost, Buildings and Improvements 53,438      
Costs Capitalized Subsequent to Consolidation [1] 43,872      
Land 69,834      
Buildings and Improvements 97,310      
Total [2] 167,144      
Accumulated Depreciation (AD) [3] (66,921)      
Total Cost Net of Accumulated Depreciation 100,223      
Encumbrances [4] $ 158,950      
Same Store Sales [Member] | Mariners Cove [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 500      
Initial Cost, Land $ 0      
Initial Cost, Buildings and Improvements 66,861      
Costs Capitalized Subsequent to Consolidation [1] 18,288      
Land 0      
Buildings and Improvements 85,149      
Total [2] 85,149      
Accumulated Depreciation (AD) [3] (50,561)      
Total Cost Net of Accumulated Depreciation 34,588      
Encumbrances [4] $ 0      
Same Store Sales [Member] | Meadow Creek [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 332      
Initial Cost, Land $ 1,435      
Initial Cost, Buildings and Improvements 24,533      
Costs Capitalized Subsequent to Consolidation [1] 10,561      
Land 1,435      
Buildings and Improvements 35,094      
Total [2] 36,529      
Accumulated Depreciation (AD) [3] (25,615)      
Total Cost Net of Accumulated Depreciation 10,914      
Encumbrances [4] $ 0      
Same Store Sales [Member] | Mezzo [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 95      
Initial Cost, Land $ 4,292      
Initial Cost, Buildings and Improvements 34,178      
Costs Capitalized Subsequent to Consolidation [1] 2,699      
Land 4,292      
Buildings and Improvements 36,877      
Total [2] 41,169      
Accumulated Depreciation (AD) [3] (10,730)      
Total Cost Net of Accumulated Depreciation 30,439      
Encumbrances [4] $ 0      
Same Store Sales [Member] | Monterey Grove [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 224      
Initial Cost, Land $ 34,325      
Initial Cost, Buildings and Improvements 21,939      
Costs Capitalized Subsequent to Consolidation [1] 19,146      
Land 34,325      
Buildings and Improvements 41,085      
Total [2] 75,410      
Accumulated Depreciation (AD) [3] (18,659)      
Total Cost Net of Accumulated Depreciation 56,751      
Encumbrances [4] $ 46,630      
Same Store Sales [Member] | Ocean House and on into Prospect [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 53      
Initial Cost, Land $ 12,528      
Initial Cost, Buildings and Improvements 18,805      
Costs Capitalized Subsequent to Consolidation [1] 16,979      
Land 12,528      
Buildings and Improvements 35,784      
Total [2] 48,312      
Accumulated Depreciation (AD) [3] (13,885)      
Total Cost Net of Accumulated Depreciation 34,427      
Encumbrances [4] $ 0      
Same Store Sales [Member] | One Ardmore        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 110      
Initial Cost, Land $ 4,929      
Initial Cost, Buildings and Improvements 61,631      
Costs Capitalized Subsequent to Consolidation [1] 3,698      
Land 4,929      
Buildings and Improvements 65,329      
Total [2] 70,258      
Accumulated Depreciation (AD) [3] (8,902)      
Total Cost Net of Accumulated Depreciation 61,356      
Encumbrances [4] $ 29,175      
Same Store Sales [Member] | One Canal [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 310      
Initial Cost, Land $ 0      
Initial Cost, Buildings and Improvements 15,873      
Costs Capitalized Subsequent to Consolidation [1] 183,644      
Land 0      
Buildings and Improvements 199,517      
Total 199,517      
Accumulated Depreciation (AD) [3] (52,273)      
Total Cost Net of Accumulated Depreciation 147,244      
Encumbrances [4] $ 0      
Same Store Sales [Member] | Pacific Bay Vistas [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome [5] 308      
Initial Cost, Land [5] $ 28,694      
Initial Cost, Buildings and Improvements [5] 62,460      
Costs Capitalized Subsequent to Consolidation [1],[5] 34,481      
Land [5] 23,354      
Buildings and Improvements [5] 102,281      
Total [2],[5] 125,635      
Accumulated Depreciation (AD) [3],[5] (48,697)      
Total Cost Net of Accumulated Depreciation [5] 76,938      
Encumbrances [4],[5] $ 98,127      
Same Store Sales [Member] | Pacifica Park [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 104      
Initial Cost, Land $ 12,970      
Initial Cost, Buildings and Improvements 6,579      
Costs Capitalized Subsequent to Consolidation [1] 9,171      
Land 12,970      
Buildings and Improvements 15,750      
Total [2] 28,720      
Accumulated Depreciation (AD) [3] (9,703)      
Total Cost Net of Accumulated Depreciation 19,017      
Encumbrances [4] $ 37,264      
Same Store Sales [Member] | Palazzo at Park La Brea, The [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 521      
Initial Cost, Land $ 48,362      
Initial Cost, Buildings and Improvements 125,464      
Costs Capitalized Subsequent to Consolidation [1] 59,730      
Land 48,362      
Buildings and Improvements 185,194      
Total [2] 233,556      
Accumulated Depreciation (AD) [3] (105,338)      
Total Cost Net of Accumulated Depreciation 128,218      
Encumbrances [4] $ 209,689      
Same Store Sales [Member] | Palazzo East at Park La Brea, The [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 611      
Initial Cost, Land $ 72,578      
Initial Cost, Buildings and Improvements 136,503      
Costs Capitalized Subsequent to Consolidation [1] 40,036      
Land 72,578      
Buildings and Improvements 176,539      
Total [2] 249,117      
Accumulated Depreciation (AD) [3] (101,739)      
Total Cost Net of Accumulated Depreciation 147,378      
Encumbrances [4] $ 179,147      
Same Store Sales [Member] | Park Towne Place [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 941      
Initial Cost, Land $ 10,472      
Initial Cost, Buildings and Improvements 47,301      
Costs Capitalized Subsequent to Consolidation [1] 353,314      
Land 10,472      
Buildings and Improvements 400,615      
Total [2] 411,087      
Accumulated Depreciation (AD) [3] (230,094)      
Total Cost Net of Accumulated Depreciation 180,993      
Encumbrances [4] $ 0      
Same Store Sales [Member] | Parc Mosaic [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 226      
Initial Cost, Land $ 15,300      
Initial Cost, Buildings and Improvements 0      
Costs Capitalized Subsequent to Consolidation [1] 111,135      
Land 15,300      
Buildings and Improvements 111,135      
Total 126,435      
Accumulated Depreciation (AD) [3] (18,741)      
Total Cost Net of Accumulated Depreciation 107,694      
Encumbrances [4] $ 0      
Same Store Sales [Member] | Peachtree Park [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 303      
Initial Cost, Land $ 4,684      
Initial Cost, Buildings and Improvements 11,713      
Costs Capitalized Subsequent to Consolidation [1] 16,466      
Land 4,684      
Buildings and Improvements 28,179      
Total [2] 32,863      
Accumulated Depreciation (AD) [3] (19,235)      
Total Cost Net of Accumulated Depreciation 13,628      
Encumbrances [4] $ 0      
Same Store Sales [Member] | Preserve at Marin [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 126      
Initial Cost, Land $ 13,516      
Initial Cost, Buildings and Improvements 30,132      
Costs Capitalized Subsequent to Consolidation [1] 84,137      
Land 13,516      
Buildings and Improvements 114,269      
Total [2] 127,785      
Accumulated Depreciation (AD) [3] (46,845)      
Total Cost Net of Accumulated Depreciation 80,940      
Encumbrances [4] $ 0      
Same Store Sales [Member] | Riverloft [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 184      
Initial Cost, Land $ 2,120      
Initial Cost, Buildings and Improvements 11,286      
Costs Capitalized Subsequent to Consolidation [1] 38,851      
Land 2,120      
Buildings and Improvements 50,137      
Total [2] 52,257      
Accumulated Depreciation (AD) [3] (32,457)      
Total Cost Net of Accumulated Depreciation 19,800      
Encumbrances [4] $ 0      
Same Store Sales [Member] | Royal Crest Estates [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 588      
Initial Cost, Land $ 51,292      
Initial Cost, Buildings and Improvements 36,808      
Costs Capitalized Subsequent to Consolidation [1] 29,078      
Land 51,292      
Buildings and Improvements 65,886      
Total [2] 117,178      
Accumulated Depreciation (AD) [3] (43,339)      
Total Cost Net of Accumulated Depreciation 73,839      
Encumbrances [4] $ 0      
Same Store Sales [Member] | Saybrook Point [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 324      
Initial Cost, Land $ 32,842      
Initial Cost, Buildings and Improvements 84,457      
Costs Capitalized Subsequent to Consolidation [1] 27,092      
Land 32,842      
Buildings and Improvements 111,549      
Total [2] 144,391      
Accumulated Depreciation (AD) [3] (33,326)      
Total Cost Net of Accumulated Depreciation 111,065      
Encumbrances [4] $ 107,347      
Same Store Sales [Member] | SouthStar Lofts [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 85      
Initial Cost, Land $ 1,780      
Initial Cost, Buildings and Improvements 37,428      
Costs Capitalized Subsequent to Consolidation [1] 1,245      
Land 1,780      
Buildings and Improvements 38,673      
Total [2] 40,453      
Accumulated Depreciation (AD) [3] (6,730)      
Total Cost Net of Accumulated Depreciation 33,723      
Encumbrances [4] $ 17,000      
Same Store Sales [Member] | Sterling Apartment Homes, The [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 534      
Initial Cost, Land $ 8,871      
Initial Cost, Buildings and Improvements 55,365      
Costs Capitalized Subsequent to Consolidation [1] 119,946      
Land 8,871      
Buildings and Improvements 175,311      
Total [2] 184,182      
Accumulated Depreciation (AD) [3] (115,551)      
Total Cost Net of Accumulated Depreciation 68,631      
Encumbrances [4] $ 0      
Same Store Sales [Member] | The Left Bank [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 282      
Initial Cost, Land $ 0      
Initial Cost, Buildings and Improvements 130,893      
Costs Capitalized Subsequent to Consolidation [1] 25,492      
Land 0      
Buildings and Improvements 156,385      
Total [2] 156,385      
Accumulated Depreciation (AD) [3] (27,357)      
Total Cost Net of Accumulated Depreciation 129,028      
Encumbrances [4] $ 75,466      
Same Store Sales [Member] | Township At Highlands [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 161      
Initial Cost, Land $ 1,536      
Initial Cost, Buildings and Improvements 9,773      
Costs Capitalized Subsequent to Consolidation [1] 17,202      
Land 1,536      
Buildings and Improvements 26,975      
Total [2] 28,511      
Accumulated Depreciation (AD) [3] (17,161)      
Total Cost Net of Accumulated Depreciation 11,350      
Encumbrances [4] $ 0      
Same Store Sales [Member] | Tremont [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 78      
Initial Cost, Land $ 5,274      
Initial Cost, Buildings and Improvements 18,011      
Costs Capitalized Subsequent to Consolidation [1] 4,168      
Land 5,274      
Buildings and Improvements 22,179      
Total [2] 27,453      
Accumulated Depreciation (AD) [3] (6,846)      
Total Cost Net of Accumulated Depreciation 20,607      
Encumbrances [4] $ 0      
Same Store Sales [Member] | Villas at Park La Brea, The [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 250      
Initial Cost, Land $ 8,630      
Initial Cost, Buildings and Improvements 48,871      
Costs Capitalized Subsequent to Consolidation [1] 22,003      
Land 8,630      
Buildings and Improvements 70,874      
Total [2] 79,504      
Accumulated Depreciation (AD) [3] (43,013)      
Total Cost Net of Accumulated Depreciation 36,491      
Encumbrances [4] $ 0      
Same Store Sales [Member] | Villas of Pasadena [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 92      
Initial Cost, Land $ 9,693      
Initial Cost, Buildings and Improvements 6,818      
Costs Capitalized Subsequent to Consolidation [1] 5,685      
Land 9,693      
Buildings and Improvements 12,503      
Total [2] 22,196      
Accumulated Depreciation (AD) [3] (7,415)      
Total Cost Net of Accumulated Depreciation 14,781      
Encumbrances [4] $ 20,500      
Same Store Sales [Member] | Vivo [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 91      
Initial Cost, Land $ 6,450      
Initial Cost, Buildings and Improvements 35,974      
Costs Capitalized Subsequent to Consolidation [1] 6,372      
Land 6,450      
Buildings and Improvements 42,346      
Total [2] 48,796      
Accumulated Depreciation (AD) [3] (17,972)      
Total Cost Net of Accumulated Depreciation 30,824      
Encumbrances [4] $ 0      
Same Store Sales [Member] | Waterways Village [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Number of apartment homes | ApartmentHome 180      
Initial Cost, Land $ 4,504      
Initial Cost, Buildings and Improvements 11,064      
Costs Capitalized Subsequent to Consolidation [1] 19,210      
Land 4,504      
Buildings and Improvements 30,274      
Total [2] 34,778      
Accumulated Depreciation (AD) [3] (18,807)      
Total Cost Net of Accumulated Depreciation 15,971      
Encumbrances [4] $ 0      
[1] Includes costs capitalized since acquisition or date of initial consolidation of the community.
[2] The aggregate cost of land and depreciable property for federal income tax purposes was approximately $7.4 billion as of December 31, 2022.
[3] Depreciable life for buildings and improvements ranges from 5 to 30 years and is calculated on a straight-line basis.
[4] Encumbrances are presented before reduction for debt issuance costs.
[5] The current carrying value of the apartment community reflects an impairment loss recognized.
[6] Other includes apartment communities under development, land parcels, and certain non-residential properties held for future development.
[7] Initial cost of buildings and improvements includes the cost of additional apartment homes acquired subsequent to consolidation.