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Schedule III - Real Estate and Accumulated Depreciation (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 1,083,532      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,265,446      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 979,497      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,083,532      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,244,943      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,328,475 $ 7,667,743 $ 7,376,690 $ 7,387,597
Real Estate and Accumulated Depreciation, Accumulated Depreciation 2,403,149 $ 2,118,839 $ 1,890,656 $ 1,780,694
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation 5,925,326      
Real Estate and Accumulated Depreciation, Amount of Encumbrances 485,176      
Current Communities [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,083,532      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,865,522      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 979,497      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,083,532      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,845,019      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,928,551      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 2,400,440      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation 5,528,111      
Real Estate and Accumulated Depreciation, Amount of Encumbrances 485,176      
Current Communities [Member] | Camden Chandler [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,511      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 62,429      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 199      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,511      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 62,628      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 68,139      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 9,242      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 58,897      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2016      
Current Communities [Member] | Camden Copper Square [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 4,825      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 23,672      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 7,892      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,825      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 31,564      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 36,389      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 19,107      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 17,282      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2000      
Current Communities [Member] | Camden Foothills [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 11,006      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 33,712      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 223      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 11,006      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 33,935      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 44,941      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 6,135      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 38,806      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2014      
Current Communities [Member] | Camden Hayden [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 9,248      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 35,254      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 150      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 9,248      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 35,404      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 44,652      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 5,812      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 38,840      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2015      
Current Communities [Member] | Camden Legacy [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 4,068      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 26,612      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 14,159      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,068      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 40,771      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 44,839      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 26,909      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 17,930      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 1998      
Current Communities [Member] | Camden Montierra [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 13,687      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 31,727      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 5,671      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 13,687      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 37,398      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 51,085      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 9,289      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 41,796      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2012      
Current Communities [Member] | Camden Pecos Ranch [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 3,362      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 24,492      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 5,699      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,362      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 30,191      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 33,553      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 9,266      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 24,287      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2012      
Current Communities [Member] | Camden San Marcos [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 11,520      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 35,166      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 6,033      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 11,520      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 41,199      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 52,719      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 10,536      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 42,183      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2012      
Current Communities [Member] | Camden San Paloma [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 6,480      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 23,045      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 10,382      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,480      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 33,427      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 39,907      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 17,856      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 22,051      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2002      
Current Communities [Member] | Camden Sotelo [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 3,376      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 30,576      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,283      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,376      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 31,859      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 35,235      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 6,444      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 28,791      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2013      
Current Communities [Member] | Camden Crown Valley [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 9,381      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 54,210      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 10,382      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 9,381      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 64,592      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 73,973      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 34,812      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 39,161      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2001      
Current Communities [Member] | Camden Glendale [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 21,492      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 96,158      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 331      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 21,492      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 96,489      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 117,981      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 13,770      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 104,211      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2015      
Current Communities [Member] | Camden Harbor View [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 16,079      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 127,459      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 23,253      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 16,079      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 150,712      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 166,791      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 66,559      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation 100,232      
Real Estate and Accumulated Depreciation, Amount of Encumbrances $ 92,699      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2003      
Current Communities [Member] | Camden Main Jamboree [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 17,363      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 75,387      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,335      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 17,363      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 77,722      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 95,085      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 20,949      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation 74,136      
Real Estate and Accumulated Depreciation, Amount of Encumbrances $ 45,895      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2008      
Current Communities [Member] | Camden Martinique [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 28,401      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 51,861      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 24,154      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 28,401      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 76,015      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 104,416      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 46,188      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 58,228      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 1998      
Current Communities [Member] | Camden Sea Palms [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 4,336      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,930      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 7,641      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,336      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 17,571      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 21,907      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 9,667      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 12,240      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 1998      
Current Communities [Member] | The Camden [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 18,286      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 118,730      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 215      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 18,286      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 118,945      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 137,231      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 13,137      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 124,094      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2016      
Current Communities [Member] | Camden Landmark [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 17,339      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 71,315      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,977      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 17,339      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 74,292      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 91,631      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 17,087      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 74,544      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2012      
Current Communities [Member] | Camden Old Creek [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 20,360      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 71,777      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 9,093      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 20,360      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 80,870      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 101,230      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 28,800      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 72,430      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2007      
Current Communities [Member] | Camden Sierra At Otay Ranch [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 10,585      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 49,781      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 6,421      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 10,585      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 56,202      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 66,787      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 27,329      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 39,458      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2003      
Current Communities [Member] | Camden Tuscany [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 3,330      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 36,466      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 5,196      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,330      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 41,662      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 44,992      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 20,004      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 24,988      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2003      
Current Communities [Member] | Camden Vineyards [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 4,367      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 28,494      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,694      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,367      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 33,188      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 37,555      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 16,808      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 20,747      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2002      
Current Communities [Member] | Camden Belleview Station [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 8,091      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 44,003      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,404      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 8,091      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 47,407      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 55,498      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 10,391      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 45,107      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2012      
Current Communities [Member] | Camden Caley [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 2,047      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,445      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 7,020      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,047      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 24,465      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 26,512      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 13,931      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation 12,581      
Real Estate and Accumulated Depreciation, Amount of Encumbrances $ 15,349      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2000      
Current Communities [Member] | Camden Denver West [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 6,396      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 51,552      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 11,860      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,396      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 63,412      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 69,808      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 13,711      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 56,097      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2012      
Current Communities [Member] | Camden Flatirons [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 6,849      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 72,631      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 413      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,849      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 73,044      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 79,893      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 12,825      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 67,068      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2015      
Current Communities [Member] | Camden Highlands Ridge [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 2,612      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 34,726      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 20,608      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,612      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 55,334      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 57,946      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 28,524      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 29,422      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 1996      
Current Communities [Member] | Camden Interlocken [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 5,293      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 31,612      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 17,062      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,293      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 48,674      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 53,967      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 25,904      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation 28,063      
Real Estate and Accumulated Depreciation, Amount of Encumbrances $ 27,426      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 1999      
Current Communities [Member] | Camden Lakeway [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 3,915      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 34,129      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 23,002      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,915      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 57,131      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 61,046      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 31,405      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation 29,641      
Real Estate and Accumulated Depreciation, Amount of Encumbrances $ 29,262      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 1997      
Current Communities [Member] | Camden Lincoln Station [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 4,648      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 51,762      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 86      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,648      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 51,848      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 56,496      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 5,015      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 51,481      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2017      
Current Communities [Member] | Camden Ashburn Farms [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 4,835      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 22,604      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 5,758      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,835      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 28,362      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 33,197      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 11,441      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 21,756      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden College Park [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 16,409      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 91,503      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 6,950      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 16,409      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 98,453      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 114,862      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 25,352      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 89,510      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2008      
Current Communities [Member] | Camden Dulles Station [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 10,807      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 61,548      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 5,558      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 10,807      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 67,106      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 77,913      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 22,346      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 55,567      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2008      
Current Communities [Member] | Camden Fair Lakes [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 15,515      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 104,223      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 13,204      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 15,515      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 117,427      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 132,942      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 48,905      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 84,037      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Fairfax Corner [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 8,484      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 72,953      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 9,642      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 8,484      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 82,595      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 91,079      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 33,123      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 57,956      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2006      
Current Communities [Member] | Camden Fallsgrove [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 9,408      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 43,647      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 5,545      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 9,408      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 49,192      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 58,600      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 21,337      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 37,263      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Grand Parc [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 7,688      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 35,900      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,981      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,688      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 38,881      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 46,569      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 15,927      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 30,642      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Landsdowne [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 15,502      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 102,267      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 24,504      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 15,502      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 126,771      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 142,273      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 49,157      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 93,116      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Largo Town Center [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 8,411      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 44,163      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,280      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 8,411      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 48,443      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 56,854      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 20,068      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 36,786      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Monument Place [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 9,030      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 54,089      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,651      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 9,030      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 57,740      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 66,770      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 20,847      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 45,923      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2007      
Current Communities [Member] | Camden NoMa [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 19,442      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 82,306      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 274      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 19,442      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 82,580      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 102,022      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 17,430      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 84,592      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2014      
Current Communities [Member] | Camden NoMa II [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 17,331      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 91,211      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 39      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 17,331      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 91,250      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 108,581      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 12,378      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 96,203      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2017      
Current Communities [Member] | Camden Potomac Yard [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 16,498      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 88,317      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 8,265      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 16,498      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 96,582      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 113,080      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 31,907      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 81,173      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2008      
Current Communities [Member] | Camden Roosevelt [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 11,470      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 45,785      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,238      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 11,470      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 50,023      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 61,493      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 20,151      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 41,342      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Russett [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 13,460      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 61,837      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 6,861      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 13,460      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 68,698      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 82,158      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 29,016      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation 53,142      
Real Estate and Accumulated Depreciation, Amount of Encumbrances $ 45,056      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Shady Grove [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 24,177      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 89,820      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 30      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 24,177      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 89,850      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 114,027      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 9,404      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 104,623      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2018      
Current Communities [Member] | Camden Silo Creek [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 9,707      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 45,301      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 7,703      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 9,707      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 53,004      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 62,711      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 20,688      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 42,023      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Washingtonian [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 13,512      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 73,285      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 13,512      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 73,285      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 86,797      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 2,532      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 84,265      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2018      
Current Communities [Member] | Camden Aventura [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 12,185      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 47,616      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 13,055      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 12,185      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 60,671      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 72,856      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 27,617      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 45,239      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Boca Raton [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 2,201      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 50,057      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 268      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,201      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 50,325      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 52,526      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 8,742      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 43,784      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2014      
Current Communities [Member] | Camden Brickell [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 14,621      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 57,031      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 23,217      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 14,621      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 80,248      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 94,869      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 32,025      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 62,844      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Doral [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 10,260      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 40,416      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 7,542      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 10,260      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 47,958      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 58,218      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 20,465      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 37,753      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Doral Villas [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 6,476      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 25,543      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 7,590      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,476      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 33,133      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 39,609      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 14,881      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 24,728      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Las Olas [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 12,395      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 79,518      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 19,634      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 12,395      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 99,152      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 111,547      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 39,655      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 71,892      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Plantation [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 6,299      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 77,964      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 11,402      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,299      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 89,366      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 95,665      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 38,047      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 57,618      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Portofino [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 9,867      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 38,702      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 9,382      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 9,867      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 48,084      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 57,951      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 20,170      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 37,781      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Hunters Creek [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 4,156      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 20,925      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 5,769      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,156      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 26,694      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 30,850      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 12,172      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 18,678      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Lago Vista [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 3,497      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 29,623      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 6,033      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,497      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 35,656      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 39,153      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 15,582      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 23,571      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden LaVina [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 12,907      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 42,617      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,036      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 12,907      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 43,653      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 56,560      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 12,072      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 44,488      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2012      
Current Communities [Member] | Camden Lee Vista [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 4,350      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 34,643      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 8,524      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,350      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 43,167      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 47,517      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 24,338      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 23,179      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2000      
Current Communities [Member] | Camden North Quarter [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 9,990      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 68,471      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 742      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 9,990      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 69,213      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 79,203      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 3,641      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 75,562      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2018      
Current Communities [Member] | Camden Orange Court [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 5,319      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 40,733      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,300      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,319      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 44,033      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 49,352      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 15,681      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 33,671      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2008      
Current Communities [Member] | Camden Thornton Park [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 11,711      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 74,628      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 137      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 11,711      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 74,765      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 86,476      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 1,155      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 85,321      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2018      
Current Communities [Member] | Camden Town Square [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 13,127      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 45,997      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 833      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 13,127      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 46,830      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 59,957      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 11,711      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 48,246      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2012      
Current Communities [Member] | Camden World Gateway [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 5,785      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 51,821      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 8,348      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,785      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 60,169      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 65,954      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 25,433      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 40,521      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Bay [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 7,450      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 63,283      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 15,072      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,450      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 78,355      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 85,805      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 43,641      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 42,164      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 1998/2002      
Current Communities [Member] | Camden Montague [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 3,576      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,534      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 472      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,576      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 17,006      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 20,582      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 4,849      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 15,733      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2012      
Current Communities [Member] | Camden Pier District [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 16,704      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 105,383      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 851      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 16,704      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 106,234      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 122,938      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 6,025      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 116,913      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2018      
Current Communities [Member] | Camden Preserve [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 1,206      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,982      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 8,795      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,206      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 26,777      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 27,983      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 17,337      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 10,646      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 1997      
Current Communities [Member] | Camden Royal Palms [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 2,147      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 38,339      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,905      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,147      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 42,244      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 44,391      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 15,779      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 28,612      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2007      
Current Communities [Member] | Camden Westchase Park [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 11,955      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 36,254      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 609      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 11,955      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 36,863      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 48,818      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 9,560      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 39,258      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2012      
Current Communities [Member] | Camden Brookwood [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 7,174      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 31,984      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 8,835      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,174      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 40,819      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 47,993      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 18,783      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 29,210      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Buckhead Square [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 13,200      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 43,785      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 657      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 13,200      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 44,442      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 57,642      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 2,928      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 54,714      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2017      
Current Communities [Member] | Camden Creekstone [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 5,017      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 19,912      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 5,148      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,017      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 25,060      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 30,077      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 5,804      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 24,273      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2012      
Current Communities [Member] | Camden Deerfield [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 4,895      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 21,922      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 8,376      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,895      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 30,298      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 35,193      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 13,970      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 21,223      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Dunwoody [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 5,290      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 23,642      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 9,038      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,290      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 32,680      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 37,970      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 15,425      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 22,545      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Fourth Ward [Member] [Domain]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 10,477      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 51,258      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,148      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 10,477      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 52,406      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 62,883      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 9,468      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 53,415      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2014      
Current Communities [Member] | Camden Midtown Atlanta [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 6,196      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 33,828      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 10,645      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,196      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 44,473      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 50,669      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 19,631      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 31,038      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Paces [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 15,262      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 102,521      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 828      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 15,262      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 103,349      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 118,611      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 17,913      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 100,698      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2015      
Current Communities [Member] | Camden Peachtree City [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 6,536      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 29,063      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 7,636      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,536      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 36,699      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 43,235      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 16,374      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 26,861      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Shiloh [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 4,181      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 18,798      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 5,972      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,181      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 24,770      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 28,951      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 11,595      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation 17,356      
Real Estate and Accumulated Depreciation, Amount of Encumbrances $ 10,565      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden St Clair [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 7,526      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 27,486      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 8,010      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,526      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 35,496      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 43,022      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 16,859      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 26,163      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Stockbridge [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 5,071      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 22,693      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,859      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,071      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 27,552      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 32,623      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 12,396      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 20,227      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Vantage [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 11,787      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 68,822      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,747      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 11,787      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 72,569      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 84,356      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 15,103      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 69,253      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2013      
Current Communities [Member] | Camden Ballantyne [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 4,503      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 30,250      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 9,067      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,503      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 39,317      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 43,820      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 18,565      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 25,255      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Cotton Mills [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 4,246      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 19,147      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 6,703      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,246      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 25,850      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 30,096      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 12,629      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 17,467      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Dilworth [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 516      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,633      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,568      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 516      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 19,201      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 19,717      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 8,067      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 11,650      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2006      
Current Communities [Member] | Camden Fairview [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 1,283      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,223      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,327      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,283      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,550      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,833      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 6,188      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 6,645      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Foxcroft [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 1,408      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,919      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,620      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,408      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,539      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,947      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 6,588      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 7,359      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Foxcroft II [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 1,152      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,499      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,216      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,152      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,715      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,867      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 4,603      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 6,264      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Gallery [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 7,930      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 51,957      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 114      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,930      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 52,071      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 60,001      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 6,141      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 53,860      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2017      
Current Communities [Member] | Camden Grandview [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 7,570      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 33,859      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 11,922      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,570      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 45,781      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 53,351      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 20,152      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 33,199      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Sedgebrook [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 5,266      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 29,211      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 7,723      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,266      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 36,934      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 42,200      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 17,475      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 24,725      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden South End Square [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 6,625      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 29,175      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 11,276      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,625      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 40,451      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 47,076      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 17,595      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 29,481      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Stonecrest [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 3,941      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 22,021      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 6,451      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,941      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 28,472      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 32,413      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 13,817      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 18,596      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Touchstone [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 1,203      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,772      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,528      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,203      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,300      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,503      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 5,406      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 6,097      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Crest [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 4,412      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 31,108      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 6,773      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,412      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 37,881      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 42,293      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 16,333      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 25,960      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Governors Village [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 3,669      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 20,508      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 6,291      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,669      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 26,799      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 30,468      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 11,585      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 18,883      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Lake Pine [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 5,746      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 31,714      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 13,579      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,746      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 45,293      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 51,039      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 20,048      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 30,991      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Manor Park [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 2,535      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 47,159      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 8,835      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,535      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 55,994      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 58,529      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 21,551      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 36,978      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2006      
Current Communities [Member] | Camden Overlook [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 4,591      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 25,563      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 9,781      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,591      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 35,344      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 39,935      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 17,017      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 22,918      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Reunion Park [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 3,302      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 18,457      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 10,791      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,302      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 29,248      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 32,550      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 12,781      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 19,769      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Westwood [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 4,567      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 25,519      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 9,062      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,567      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 34,581      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 39,148      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 14,891      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 24,257      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Cedar Hills [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 2,684      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 20,931      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,072      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,684      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 23,003      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 25,687      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 8,336      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 17,351      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2008      
Current Communities [Member] | Camden Gaines Ranch [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 5,094      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 37,100      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 10,344      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,094      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 47,444      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 52,538      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 21,613      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 30,925      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2005      
Current Communities [Member] | Camden Huntingdon [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 2,289      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,393      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 10,470      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,289      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 27,863      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 30,152      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 19,185      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 10,967      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 1995      
Current Communities [Member] | Camden La Frontera [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 3,250      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 32,376      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 363      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,250      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 32,739      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 35,989      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 6,210      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 29,779      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2015      
Current Communities [Member] | Camden Lamar Heights [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 3,988      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 42,773      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 356      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,988      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 43,129      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 47,117      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 8,103      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 39,014      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2015      
Current Communities [Member] | Camden Stoneleigh [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 3,498      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 31,285      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 8,478      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,498      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 39,763      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 43,261      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 17,559      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 25,702      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2006      
Current Communities [Member] | Camden Breakers [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 1,055      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,024      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 14,405      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,055      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 27,429      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 28,484      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 15,973      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 12,511      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 1996      
Current Communities [Member] | Camden Copper Ridge [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 1,204      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,180      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 9,511      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,204      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 18,691      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 19,895      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 15,730      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 4,165      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 1993      
Current Communities [Member] | Camden Addison [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 11,516      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 29,332      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 8,262      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 11,516      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 37,594      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 49,110      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 11,925      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 37,185      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2012      
Current Communities [Member] | Camden Belmont [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 12,521      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 61,522      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 5,312      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 12,521      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 66,834      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 79,355      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 15,342      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 64,013      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2012      
Current Communities [Member] | Camden Buckingham [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 2,704      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 21,251      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 10,705      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,704      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 31,956      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 34,660      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 20,173      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 14,487      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 1997      
Current Communities [Member] | Camden Centreport [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 1,613      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,644      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 6,659      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,613      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 19,303      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 20,916      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 12,044      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 8,872      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 1997      
Current Communities [Member] | Camden Cimarron [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 2,231      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 14,092      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 8,020      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,231      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 22,112      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 24,343      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 15,848      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 8,495      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 1997      
Current Communities [Member] | Camden Farmers Market [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 17,341      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 74,193      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 22,213      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 17,341      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 96,406      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 113,747      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 49,780      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation 63,967      
Real Estate and Accumulated Depreciation, Amount of Encumbrances $ 50,704      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2001/2005      
Current Communities [Member] | Camden Henderson [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 3,842      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 15,256      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 648      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,842      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 15,904      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 19,746      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 4,154      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 15,592      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2012      
Current Communities [Member] | Camden Legacy Creek [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 2,052      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,896      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 6,786      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,052      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 19,682      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 21,734      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 13,325      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 8,409      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 1997      
Current Communities [Member] | Camden Legacy Park [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 2,560      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 15,449      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 8,070      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,560      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 23,519      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 26,079      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 15,528      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation 10,551      
Real Estate and Accumulated Depreciation, Amount of Encumbrances $ 13,864      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 1997      
Current Communities [Member] | Camden Valley Park [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 3,096      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 14,667      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 15,344      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,096      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 30,011      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 33,107      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 28,118      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 4,989      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 1994      
Current Communities [Member] | Camden Victory Park [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 13,445      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 71,735      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 158      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 13,445      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 71,893      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 85,338      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 9,086      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 76,252      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2016      
Current Communities [Member] | Camden City Centre [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 4,976      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 44,735      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,853      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,976      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 48,588      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 53,564      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 18,081      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation 35,483      
Real Estate and Accumulated Depreciation, Amount of Encumbrances $ 33,790      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2007      
Current Communities [Member] | Camden City Centre II [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 5,101      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 28,131      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 426      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,101      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 28,557      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 33,658      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 7,514      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 26,144      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2013      
Current Communities [Member] | Camden Greenway [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 16,916      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 43,933      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 20,313      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 16,916      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 64,246      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 81,162      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 39,943      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 41,219      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 1999      
Current Communities [Member] | Camden Holly Springs [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 11,108      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 42,852      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 12,030      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 11,108      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 54,882      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 65,990      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 16,527      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 49,463      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2012      
Current Communities [Member] | Camden McGowen Station [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 6,089      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 84,649      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,089      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 84,649      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 90,738      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 3,443      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 87,295      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2018      
Current Communities [Member] | Camden Midtown [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 4,583      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 18,026      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 10,559      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,583      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 28,585      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 33,168      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 18,258      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation 14,910      
Real Estate and Accumulated Depreciation, Amount of Encumbrances $ 28,054      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 1999      
Current Communities [Member] | Camden Oak Crest [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 2,078      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 20,941      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 5,890      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,078      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 26,831      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 28,909      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 13,922      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 14,987      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2003      
Current Communities [Member] | Camden Park [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 4,922      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,453      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 6,030      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,922      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 22,483      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 27,405      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 6,789      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 20,616      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2012      
Current Communities [Member] | Camden Plaza [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 7,204      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 31,044      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,452      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,204      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 33,496      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 40,700      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 9,188      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation 31,512      
Real Estate and Accumulated Depreciation, Amount of Encumbrances $ 19,357      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2007      
Current Communities [Member] | Camden Post Oak [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 14,056      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 92,515      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 18,434      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 14,056      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 110,949      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 125,005      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 22,852      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 102,153      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2013      
Current Communities [Member] | Camden Royal Oaks [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 1,055      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 20,046      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,839      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,055      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 22,885      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 23,940      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 9,387      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 14,553      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2006      
Current Communities [Member] | Camden Royal Oaks II [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 587      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,743      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 25      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 587      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,768      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,355      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 3,457      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 9,898      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2012      
Current Communities [Member] | Camden Stonebridge [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 1,016      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,137      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 6,717      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,016      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,854      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,870      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 9,384      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 5,486      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 1993      
Current Communities [Member] | Camden Sugar Grove [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 7,614      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 27,594      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,251      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,614      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 31,845      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 39,459      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 8,428      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 31,031      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2012      
Current Communities [Member] | Camden Travis Street [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 1,780      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 29,104      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,284      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,780      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 30,388      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 32,168      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 10,120      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 22,048      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2010      
Current Communities [Member] | Camden Vanderbilt [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 16,076      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 44,918      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 25,144      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 16,076      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 70,062      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 86,138      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 47,043      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation 39,095      
Real Estate and Accumulated Depreciation, Amount of Encumbrances $ 73,155      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 1994/1997      
Current Communities [Member] | Camden Whispering Oaks [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 1,188      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 26,242      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,711      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,188      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 27,953      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 29,141      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 10,392      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 18,749      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date 2008      
Construction Communities [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 0      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 277,778      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 277,778      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 277,778      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 2,709      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation 275,069      
Real Estate and Accumulated Depreciation, Amount of Encumbrances 0      
Construction Communities [Member] | Camden North End I [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 95,865      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 95,865      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 95,865      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 2,596      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 93,269      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date N/A      
Construction Communities [Member] | Camden Grandview II [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements $ 21,267      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 21,267      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 21,267      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 113      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 21,154      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date N/A      
Construction Communities [Member] | Camden RiNo [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements $ 41,594      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 41,594      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 41,594      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 41,594      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date N/A      
Construction Communities [Member] | Camden Downtown I [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements $ 58,963      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 58,963      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 58,963      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 58,963      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date N/A      
Construction Communities [Member] | Camden Lake Eola [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements $ 34,016      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 34,016      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 34,016      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 34,016      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date N/A      
Construction Communities [Member] | Camden Buckhead [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements $ 26,073      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 26,073      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 26,073      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 26,073      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date N/A      
Development Pipeline Communities [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 0      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 107,642      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 107,642      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 107,642      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 0      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation 107,642      
Real Estate and Accumulated Depreciation, Amount of Encumbrances 0      
Development Pipeline Communities [Member] | Camden Atlantic [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,666      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 16,666      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,666      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 16,666      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date N/A      
Development Pipeline Communities [Member] | Camden Arts District [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements $ 21,471      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 21,471      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 21,471      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 21,471      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date N/A      
Development Pipeline Communities [Member] | Camden Hillcrest [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements $ 28,853      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 28,853      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 28,853      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 28,853      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date N/A      
Development Pipeline Communities [Member] | Camden North End II [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements $ 15,301      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 15,301      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,301      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 15,301      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date N/A      
Development Pipeline Communities [Member] | Camden Paces III [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements $ 14,632      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 14,632      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,632      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 14,632      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date N/A      
Development Pipeline Communities [Member] | Camden Downtown II [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements $ 10,719      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,719      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,719      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 10,719      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date N/A      
Corporate [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 14,504      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 14,504      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,504      
Real Estate and Accumulated Depreciation, Accumulated Depreciation      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation $ 14,504      
Real Estate And Accumulated Depreciation Construction Completion Or Acquisition Date N/A      
Total Land Holdings and Corporate [Member]        
Real Estate and Accumulated Depreciation, Initial Cost of Land $ 0      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 14,504      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 14,504      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,504      
Real Estate and Accumulated Depreciation, Accumulated Depreciation 0      
Real Estate And Accumulated Depreciation Total Cost Of Real Estate Assets Net Of Accumulated Depreciation 14,504      
Real Estate and Accumulated Depreciation, Amount of Encumbrances $ 0