Schedule III Real Estate and Accumulated Depreciation (Details) - USD ($)		12 Months Ended
		Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 180,979,000
Initial Cost Land		1,920,889,000
Initial Cost Buildings and Fixtures		10,100,835,000
Gross Amount, Land		1,927,085,000
Gross Amount, Buildings and Fixtures		11,729,722,000
Total		13,656,807,000	$ 13,292,039,000	$ 12,972,170,000	$ 8,215,768,000
Accumulated Depreciation		(2,549,287,000)	$ (2,075,071,000)	$ (1,674,801,000)	$ (1,499,213,000)
Net		11,107,520,000
Land
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		6,196,000
Buildings and Fixtures
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,628,409,000
Wholly Owned Properties - Residential
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		180,979,000
Initial Cost Land		1,816,760,000
Initial Cost Buildings and Fixtures		9,932,878,000
Gross Amount, Land		1,822,039,000
Gross Amount, Buildings and Fixtures		11,488,753,000
Total		13,310,792,000
Accumulated Depreciation		(2,512,538,000)
Net		10,798,254,000
Wholly Owned Properties - Residential | Colonial Grand at Quarterdeck [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		0
Initial Cost Land		920,000
Initial Cost Buildings and Fixtures		24,097,000
Gross Amount, Land		920,000
Gross Amount, Buildings and Fixtures		29,943,000
Total		30,863,000
Accumulated Depreciation		(6,799,000)
Net		$ 24,064,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1987
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Village at Westchase [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,571,000
Initial Cost Buildings and Fixtures		20,091,000
Gross Amount, Land		4,571,000
Gross Amount, Buildings and Fixtures		23,548,000
Total		28,119,000
Accumulated Depreciation		(6,236,000)
Net		$ 21,883,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1985
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | River's Walk [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		8,831,000
Initial Cost Buildings and Fixtures		39,430,000
Gross Amount, Land		8,831,000
Gross Amount, Buildings and Fixtures		41,074,000
Total		49,905,000
Accumulated Depreciation		(4,579,000)
Net		$ 45,326,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | 1201 Midtown [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		11,929,000
Initial Cost Buildings and Fixtures		57,885,000
Gross Amount, Land		11,929,000
Gross Amount, Buildings and Fixtures		58,499,000
Total		70,428,000
Accumulated Depreciation		(3,592,000)
Net		$ 66,836,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2015
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Fairways [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		910,000
Initial Cost Buildings and Fixtures		8,207,000
Gross Amount, Land		910,000
Gross Amount, Buildings and Fixtures		11,642,000
Total		12,552,000
Accumulated Depreciation		(8,718,000)
Net		$ 3,834,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1992
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1994
Wholly Owned Properties - Residential | Paddock Club Columbia [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,840,000
Initial Cost Buildings and Fixtures		16,560,000
Gross Amount, Land		1,840,000
Gross Amount, Buildings and Fixtures		21,703,000
Total		23,543,000
Accumulated Depreciation		(14,550,000)
Net		$ 8,993,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1991
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1997
Wholly Owned Properties - Residential | Colonial Village at Windsor Place [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,321,000
Initial Cost Buildings and Fixtures		14,163,000
Gross Amount, Land		1,321,000
Gross Amount, Buildings and Fixtures		17,082,000
Total		18,403,000
Accumulated Depreciation		(4,520,000)
Net		$ 13,883,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1985
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Highland Ridge [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		482,000
Initial Cost Buildings and Fixtures		4,337,000
Gross Amount, Land		482,000
Gross Amount, Buildings and Fixtures		7,127,000
Total		7,609,000
Accumulated Depreciation		(4,803,000)
Net		$ 2,806,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1984
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1995
Wholly Owned Properties - Residential | Howell Commons [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,304,000
Initial Cost Buildings and Fixtures		11,740,000
Gross Amount, Land		1,304,000
Gross Amount, Buildings and Fixtures		15,640,000
Total		16,944,000
Accumulated Depreciation		(10,801,000)
Net		$ 6,143,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1987
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1997
Wholly Owned Properties - Residential | Paddock Club Greenville [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,200,000
Initial Cost Buildings and Fixtures		10,800,000
Gross Amount, Land		1,200,000
Gross Amount, Buildings and Fixtures		13,227,000
Total		14,427,000
Accumulated Depreciation		(8,894,000)
Net		$ 5,533,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1996
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1997
Wholly Owned Properties - Residential | Park Haywood [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		325,000
Initial Cost Buildings and Fixtures		2,925,000
Gross Amount, Land		360,000
Gross Amount, Buildings and Fixtures		7,565,000
Total		7,925,000
Accumulated Depreciation		(5,558,000)
Net		$ 2,367,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1983
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1993
Wholly Owned Properties - Residential | Spring Creek [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		597,000
Initial Cost Buildings and Fixtures		5,374,000
Gross Amount, Land		583,000
Gross Amount, Buildings and Fixtures		8,417,000
Total		9,000,000
Accumulated Depreciation		(5,995,000)
Net		$ 3,005,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1985
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1995
Wholly Owned Properties - Residential | Innovation Apartment Homes [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,437,000
Initial Cost Buildings and Fixtures		52,026,000
Gross Amount, Land		4,437,000
Gross Amount, Buildings and Fixtures		53,252,000
Total		57,689,000
Accumulated Depreciation		(4,168,000)
Net		$ 53,521,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2015
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Runaway Bay [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,085,000
Initial Cost Buildings and Fixtures		7,269,000
Gross Amount, Land		1,097,000
Gross Amount, Buildings and Fixtures		13,889,000
Total		14,986,000
Accumulated Depreciation		(9,420,000)
Net		$ 5,566,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1988
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1995
Wholly Owned Properties - Residential | Acklen West End [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		12,761,000
Initial Cost Buildings and Fixtures		58,906,000
Gross Amount, Land		12,761,000
Gross Amount, Buildings and Fixtures		59,355,000
Total		72,116,000
Accumulated Depreciation		(2,159,000)
Net		$ 69,957,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2015
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2017
Wholly Owned Properties - Residential | Tanglewood [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		427,000
Initial Cost Buildings and Fixtures		3,853,000
Gross Amount, Land		427,000
Gross Amount, Buildings and Fixtures		6,973,000
Total		7,400,000
Accumulated Depreciation		(5,346,000)
Net		$ 2,054,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1980
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1994
Wholly Owned Properties - Residential | Birchall at Ross Bridge
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,640,000
Initial Cost Buildings and Fixtures		28,842,000
Gross Amount, Land		2,640,000
Gross Amount, Buildings and Fixtures		30,463,000
Total		33,103,000
Accumulated Depreciation		(7,815,000)
Net		$ 25,288,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2009
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2011
Wholly Owned Properties - Residential | Colonial Grand at Riverchase Trails
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,761,000
Initial Cost Buildings and Fixtures		22,079,000
Gross Amount, Land		3,761,000
Gross Amount, Buildings and Fixtures		25,954,000
Total		29,715,000
Accumulated Depreciation		(6,747,000)
Net		$ 22,968,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2010
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Village at Trussville
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,402,000
Initial Cost Buildings and Fixtures		31,813,000
Gross Amount, Land		3,402,000
Gross Amount, Buildings and Fixtures		34,691,000
Total		38,093,000
Accumulated Depreciation		(8,256,000)
Net		$ 29,837,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Eagle Ridge
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[1]	$ 0
Initial Cost Land		851,000
Initial Cost Buildings and Fixtures		7,667,000
Gross Amount, Land		851,000
Gross Amount, Buildings and Fixtures		12,134,000
Total		12,985,000
Accumulated Depreciation		(7,908,000)
Net		$ 5,077,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1986
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1998
Wholly Owned Properties - Residential | Colonial Grand at Traditions
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,211,000
Initial Cost Buildings and Fixtures		25,162,000
Gross Amount, Land		3,211,000
Gross Amount, Buildings and Fixtures		27,751,000
Total		30,962,000
Accumulated Depreciation		(7,063,000)
Net		$ 23,899,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2007
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Edgewater [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,943,000
Initial Cost Buildings and Fixtures		38,673,000
Gross Amount, Land		4,943,000
Gross Amount, Buildings and Fixtures		43,047,000
Total		47,990,000
Accumulated Depreciation		(9,439,000)
Net		$ 38,551,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1990
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Paddock Club Huntsville
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		909,000
Initial Cost Buildings and Fixtures		10,152,000
Gross Amount, Land		1,739,000
Gross Amount, Buildings and Fixtures		24,421,000
Total		26,160,000
Accumulated Depreciation		(14,497,000)
Net		$ 11,663,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1993
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1997
Wholly Owned Properties - Residential | Colonial Grand at Madison
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,601,000
Initial Cost Buildings and Fixtures		28,934,000
Gross Amount, Land		3,601,000
Gross Amount, Buildings and Fixtures		30,587,000
Total		34,188,000
Accumulated Depreciation		(7,467,000)
Net		$ 26,721,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Cypress Village at Cypress Village
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,290,000
Initial Cost Buildings and Fixtures		12,238,000
Gross Amount, Land		1,290,000
Gross Amount, Buildings and Fixtures		14,028,000
Total		15,318,000
Accumulated Depreciation		(3,117,000)
Net		$ 12,201,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2008
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Liberty Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,922,000
Initial Cost Buildings and Fixtures		30,977,000
Gross Amount, Land		3,922,000
Gross Amount, Buildings and Fixtures		36,364,000
Total		40,286,000
Accumulated Depreciation		(8,819,000)
Net		$ 31,467,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at OldTown Scottsdale [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		7,820,000
Initial Cost Buildings and Fixtures		51,627,000
Gross Amount, Land		7,820,000
Gross Amount, Buildings and Fixtures		56,470,000
Total		64,290,000
Accumulated Depreciation		(12,886,000)
Net		$ 51,404,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Calais Forest [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,026,000
Initial Cost Buildings and Fixtures		9,244,000
Gross Amount, Land		1,026,000
Gross Amount, Buildings and Fixtures		17,138,000
Total		18,164,000
Accumulated Depreciation		(11,927,000)
Net		$ 6,237,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1987
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1994
Wholly Owned Properties - Residential | SkySong [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		0
Initial Cost Buildings and Fixtures		55,748,000
Gross Amount, Land		0
Gross Amount, Buildings and Fixtures		57,350,000
Total		57,350,000
Accumulated Depreciation		(5,419,000)
Net		$ 51,931,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2014
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2015
Wholly Owned Properties - Residential | Napa Valley [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		960,000
Initial Cost Buildings and Fixtures		8,642,000
Gross Amount, Land		960,000
Gross Amount, Buildings and Fixtures		14,344,000
Total		15,304,000
Accumulated Depreciation		(9,664,000)
Net		$ 5,640,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1984
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1996
Wholly Owned Properties - Residential | Palisades At Chenal Valley [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,560,000
Initial Cost Buildings and Fixtures		25,234,000
Gross Amount, Land		2,560,000
Gross Amount, Buildings and Fixtures		29,038,000
Total		31,598,000
Accumulated Depreciation		(7,613,000)
Net		$ 23,985,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2006
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2011
Wholly Owned Properties - Residential | Ridge at Chenal Valley
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,626,000
Initial Cost Buildings and Fixtures		0
Gross Amount, Land		2,626,000
Gross Amount, Buildings and Fixtures		28,104,000
Total		30,730,000
Accumulated Depreciation		(4,795,000)
Net		$ 25,935,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2012
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2011
Wholly Owned Properties - Residential | Westside Creek I & II
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[1]	$ 0
Initial Cost Land		1,271,000
Initial Cost Buildings and Fixtures		11,463,000
Gross Amount, Land		1,271,000
Gross Amount, Buildings and Fixtures		20,068,000
Total		21,339,000
Accumulated Depreciation		(13,058,000)
Net		$ 8,281,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1997
Wholly Owned Properties - Residential | Edge at Lyon's Gate
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		7,901,000
Initial Cost Buildings and Fixtures		27,182,000
Gross Amount, Land		7,901,000
Gross Amount, Buildings and Fixtures		30,112,000
Total		38,013,000
Accumulated Depreciation		(10,854,000)
Net		$ 27,159,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2007
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2008
Wholly Owned Properties - Residential | Residences at Fountainhead [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		12,212,000
Initial Cost Buildings and Fixtures		56,705,000
Gross Amount, Land		12,212,000
Gross Amount, Buildings and Fixtures		57,626,000
Total		69,838,000
Accumulated Depreciation		(4,515,000)
Net		$ 65,323,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2015
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Sky View Ranch
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,668,000
Initial Cost Buildings and Fixtures		14,577,000
Gross Amount, Land		2,668,000
Gross Amount, Buildings and Fixtures		16,913,000
Total		19,581,000
Accumulated Depreciation		(5,888,000)
Net		$ 13,693,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2007
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2009
Wholly Owned Properties - Residential | Talus Ranch
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		12,741,000
Initial Cost Buildings and Fixtures		47,701,000
Gross Amount, Land		12,741,000
Gross Amount, Buildings and Fixtures		51,580,000
Total		64,321,000
Accumulated Depreciation		(21,278,000)
Net		$ 43,043,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2005
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2006
Wholly Owned Properties - Residential | Colonial Grand at Inverness Commons
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,219,000
Initial Cost Buildings and Fixtures		26,255,000
Gross Amount, Land		4,219,000
Gross Amount, Buildings and Fixtures		28,010,000
Total		32,229,000
Accumulated Depreciation		(6,523,000)
Net		$ 25,706,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2002
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Scottsdale
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,612,000
Initial Cost Buildings and Fixtures		20,273,000
Gross Amount, Land		3,612,000
Gross Amount, Buildings and Fixtures		22,465,000
Total		26,077,000
Accumulated Depreciation		(5,301,000)
Net		$ 20,776,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1999
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Tiffany Oaks
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[1]	$ 0
Initial Cost Land		1,024,000
Initial Cost Buildings and Fixtures		9,219,000
Gross Amount, Land		1,024,000
Gross Amount, Buildings and Fixtures		14,827,000
Total		15,851,000
Accumulated Depreciation		(10,235,000)
Net		$ 5,616,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1985
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1996
Wholly Owned Properties - Residential | Indigo Point
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,167,000
Initial Cost Buildings and Fixtures		10,500,000
Gross Amount, Land		1,167,000
Gross Amount, Buildings and Fixtures		14,485,000
Total		15,652,000
Accumulated Depreciation		(9,125,000)
Net		$ 6,527,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1989
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2000
Wholly Owned Properties - Residential | Paddock Club Brandon
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,896,000
Initial Cost Buildings and Fixtures		26,111,000
Gross Amount, Land		2,896,000
Gross Amount, Buildings and Fixtures		32,801,000
Total		35,697,000
Accumulated Depreciation		(20,855,000)
Net		$ 14,842,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1998
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1997
Wholly Owned Properties - Residential | Colonial Grand at Lakewood Ranch [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,980,000
Initial Cost Buildings and Fixtures		40,230,000
Gross Amount, Land		2,980,000
Gross Amount, Buildings and Fixtures		43,848,000
Total		46,828,000
Accumulated Depreciation		(9,961,000)
Net		$ 36,867,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1999
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Preserve at Coral Square
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		9,600,000
Initial Cost Buildings and Fixtures		40,004,000
Gross Amount, Land		9,600,000
Gross Amount, Buildings and Fixtures		51,093,000
Total		60,693,000
Accumulated Depreciation		(24,698,000)
Net		$ 35,995,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1996
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2004
Wholly Owned Properties - Residential | Paddock Club Gainesville
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,800,000
Initial Cost Buildings and Fixtures		15,879,000
Gross Amount, Land		1,800,000
Gross Amount, Buildings and Fixtures		20,960,000
Total		22,760,000
Accumulated Depreciation		(10,315,000)
Net		$ 12,445,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1999
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1998
Wholly Owned Properties - Residential | The Retreat at Magnolia Parke
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,040,000
Initial Cost Buildings and Fixtures		16,338,000
Gross Amount, Land		2,040,000
Gross Amount, Buildings and Fixtures		17,214,000
Total		19,254,000
Accumulated Depreciation		(4,568,000)
Net		$ 14,686,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2009
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2011
Wholly Owned Properties - Residential | Colonial Grand at Heathrow
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,101,000
Initial Cost Buildings and Fixtures		35,684,000
Gross Amount, Land		4,101,000
Gross Amount, Buildings and Fixtures		38,980,000
Total		43,081,000
Accumulated Depreciation		(9,198,000)
Net		$ 33,883,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1997
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Atlantic Crossing
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,000,000
Initial Cost Buildings and Fixtures		19,495,000
Gross Amount, Land		4,000,000
Gross Amount, Buildings and Fixtures		21,254,000
Total		25,254,000
Accumulated Depreciation		(5,820,000)
Net		$ 19,434,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2008
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2011
Wholly Owned Properties - Residential | Cooper's Hawk
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		854,000
Initial Cost Buildings and Fixtures		7,500,000
Gross Amount, Land		854,000
Gross Amount, Buildings and Fixtures		11,390,000
Total		12,244,000
Accumulated Depreciation		(8,391,000)
Net		$ 3,853,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1987
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1995
Wholly Owned Properties - Residential | Hunter's Ridge at Deerwood
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,533,000
Initial Cost Buildings and Fixtures		13,835,000
Gross Amount, Land		1,533,000
Gross Amount, Buildings and Fixtures		19,792,000
Total		21,325,000
Accumulated Depreciation		(13,275,000)
Net		$ 8,050,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1987
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1997
Wholly Owned Properties - Residential | Lakeside
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,430,000
Initial Cost Buildings and Fixtures		12,883,000
Gross Amount, Land		1,430,000
Gross Amount, Buildings and Fixtures		21,328,000
Total		22,758,000
Accumulated Depreciation		(15,455,000)
Net		$ 7,303,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1985
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1996
Wholly Owned Properties - Residential | Lighthouse at Fleming Island
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[1]	$ 0
Initial Cost Land		4,047,000
Initial Cost Buildings and Fixtures		35,052,000
Gross Amount, Land		4,047,000
Gross Amount, Buildings and Fixtures		40,567,000
Total		44,614,000
Accumulated Depreciation		(21,171,000)
Net		$ 23,443,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2003
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2003
Wholly Owned Properties - Residential | Paddock Club Mandarin
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,411,000
Initial Cost Buildings and Fixtures		14,967,000
Gross Amount, Land		1,411,000
Gross Amount, Buildings and Fixtures		18,157,000
Total		19,568,000
Accumulated Depreciation		(9,523,000)
Net		$ 10,045,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1998
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1998
Wholly Owned Properties - Residential | St Augustine
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,857,000
Initial Cost Buildings and Fixtures		6,475,000
Gross Amount, Land		2,857,000
Gross Amount, Buildings and Fixtures		26,412,000
Total		29,269,000
Accumulated Depreciation		(13,080,000)
Net		$ 16,189,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1995
Wholly Owned Properties - Residential | Tattersall at Tapestry Park
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		6,417,000
Initial Cost Buildings and Fixtures		36,069,000
Gross Amount, Land		6,417,000
Gross Amount, Buildings and Fixtures		37,405,000
Total		43,822,000
Accumulated Depreciation		(9,701,000)
Net		$ 34,121,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2009
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2011
Wholly Owned Properties - Residential | Woodhollow
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,686,000
Initial Cost Buildings and Fixtures		15,179,000
Gross Amount, Land		1,678,000
Gross Amount, Buildings and Fixtures		24,228,000
Total		25,906,000
Accumulated Depreciation		(17,118,000)
Net		$ 8,788,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1986
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1997
Wholly Owned Properties - Residential | Colonial Grand at Lake Mary
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		6,346,000
Initial Cost Buildings and Fixtures		41,539,000
Gross Amount, Land		6,346,000
Gross Amount, Buildings and Fixtures		64,829,000
Total		71,175,000
Accumulated Depreciation		(11,864,000)
Net		$ 59,311,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2012
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Town Park
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		5,742,000
Initial Cost Buildings and Fixtures		56,562,000
Gross Amount, Land		5,742,000
Gross Amount, Buildings and Fixtures		60,770,000
Total		66,512,000
Accumulated Depreciation		(14,774,000)
Net		$ 51,738,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2005
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Town Park Reserve
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,481,000
Initial Cost Buildings and Fixtures		10,311,000
Gross Amount, Land		3,481,000
Gross Amount, Buildings and Fixtures		10,726,000
Total		14,207,000
Accumulated Depreciation		(2,657,000)
Net		$ 11,550,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2004
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Retreat at Lake Nona
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		7,880,000
Initial Cost Buildings and Fixtures		41,175,000
Gross Amount, Land		7,880,000
Gross Amount, Buildings and Fixtures		45,895,000
Total		53,775,000
Accumulated Depreciation		(10,388,000)
Net		$ 43,387,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2006
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2012
Wholly Owned Properties - Residential | Colonial Grand at Heather Glen
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,662,000
Initial Cost Buildings and Fixtures		56,988,000
Gross Amount, Land		4,662,000
Gross Amount, Buildings and Fixtures		62,535,000
Total		67,197,000
Accumulated Depreciation		(14,061,000)
Net		$ 53,136,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | The Club at Panama Beach
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		898,000
Initial Cost Buildings and Fixtures		14,276,000
Gross Amount, Land		893,000
Gross Amount, Buildings and Fixtures		18,272,000
Total		19,165,000
Accumulated Depreciation		(10,384,000)
Net		$ 8,781,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1998
Wholly Owned Properties - Residential | Colonial Village at Twin Lakes
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 22,778,000
Initial Cost Land		3,091,000
Initial Cost Buildings and Fixtures		47,793,000
Gross Amount, Land		3,091,000
Gross Amount, Buildings and Fixtures		50,122,000
Total		53,213,000
Accumulated Depreciation		(11,617,000)
Net		$ 41,596,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2005
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Paddock Club Tallahassee
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		530,000
Initial Cost Buildings and Fixtures		4,805,000
Gross Amount, Land		1,480,000
Gross Amount, Buildings and Fixtures		19,588,000
Total		21,068,000
Accumulated Depreciation		(13,247,000)
Net		$ 7,821,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1992
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1997
Wholly Owned Properties - Residential | Verandas at Southwood [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,600,000
Initial Cost Buildings and Fixtures		25,914,000
Gross Amount, Land		3,600,000
Gross Amount, Buildings and Fixtures		27,022,000
Total		30,622,000
Accumulated Depreciation		(4,260,000)
Net		$ 26,362,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2003
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2011
Wholly Owned Properties - Residential | Belmere
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		852,000
Initial Cost Buildings and Fixtures		7,667,000
Gross Amount, Land		852,000
Gross Amount, Buildings and Fixtures		14,839,000
Total		15,691,000
Accumulated Depreciation		(10,394,000)
Net		$ 5,297,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1984
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1994
Wholly Owned Properties - Residential | Links at Carrollwood
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		817,000
Initial Cost Buildings and Fixtures		7,355,000
Cost Capitalized subsequent to Acquisition		5,753,000
Gross Amount, Land		927,000
Gross Amount, Buildings and Fixtures		13,108,000
Total		14,035,000
Accumulated Depreciation		(8,528,000)
Net		$ 5,507,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1980
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1998
Wholly Owned Properties - Residential | Post Bay at Rocky Point [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,541,000
Initial Cost Buildings and Fixtures		28,381,000
Cost Capitalized subsequent to Acquisition		1,017,000
Gross Amount, Land		4,541,000
Gross Amount, Buildings and Fixtures		29,398,000
Total		33,939,000
Accumulated Depreciation		(2,378,000)
Net		$ 31,561,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1997
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Harbour Place [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		16,296,000
Initial Cost Buildings and Fixtures		116,193,000
Cost Capitalized subsequent to Acquisition		5,422,000
Gross Amount, Land		16,296,000
Gross Amount, Buildings and Fixtures		121,615,000
Total		137,911,000
Accumulated Depreciation		(10,385,000)
Net		$ 127,526,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1997
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Hyde Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		16,891,000
Initial Cost Buildings and Fixtures		95,259,000
Cost Capitalized subsequent to Acquisition		3,230,000
Gross Amount, Land		16,891,000
Gross Amount, Buildings and Fixtures		98,489,000
Total		115,380,000
Accumulated Depreciation		(8,415,000)
Net		$ 106,965,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1994
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Rocky Point [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		35,260,000
Initial Cost Buildings and Fixtures		153,102,000
Cost Capitalized subsequent to Acquisition		6,858,000
Gross Amount, Land		35,260,000
Gross Amount, Buildings and Fixtures		159,960,000
Total		195,220,000
Accumulated Depreciation		(13,220,000)
Net		$ 182,000,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Soho Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		5,190,000
Initial Cost Buildings and Fixtures		56,296,000
Cost Capitalized subsequent to Acquisition		204,000
Gross Amount, Land		5,190,000
Gross Amount, Buildings and Fixtures		56,500,000
Total		61,690,000
Accumulated Depreciation		(4,290,000)
Net		$ 57,400,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2012
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Village Oaks
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[1]	$ 0
Initial Cost Land		2,738,000
Initial Cost Buildings and Fixtures		19,055,000
Gross Amount, Land		2,891,000
Gross Amount, Buildings and Fixtures		21,674,000
Total		24,565,000
Accumulated Depreciation		(7,809,000)
Net		$ 16,756,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2005
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2008
Wholly Owned Properties - Residential | Colonial Grand at Hampton Preserve
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		6,233,000
Initial Cost Buildings and Fixtures		69,535,000
Gross Amount, Land		6,233,000
Gross Amount, Buildings and Fixtures		71,130,000
Total		77,363,000
Accumulated Depreciation		(15,289,000)
Net		$ 62,074,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2012
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Seven Oaks
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,051,000
Initial Cost Buildings and Fixtures		42,768,000
Gross Amount, Land		3,051,000
Gross Amount, Buildings and Fixtures		45,379,000
Total		48,430,000
Accumulated Depreciation		(9,952,000)
Net		$ 38,478,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2004
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Windermere
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,711,000
Initial Cost Buildings and Fixtures		36,710,000
Gross Amount, Land		2,711,000
Gross Amount, Buildings and Fixtures		37,907,000
Total		40,618,000
Accumulated Depreciation		(8,096,000)
Net		$ 32,522,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2009
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Park Crest At Innisbrook
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 26,483,000
Initial Cost Land		6,900,000
Initial Cost Buildings and Fixtures		26,613,000
Gross Amount, Land		6,900,000
Gross Amount, Buildings and Fixtures		29,471,000
Total		36,371,000
Accumulated Depreciation		(10,455,000)
Net		$ 25,916,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2009
Wholly Owned Properties - Residential | Allure at Brookwood
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		11,168,000
Initial Cost Buildings and Fixtures		52,758,000
Gross Amount, Land		11,168,000
Gross Amount, Buildings and Fixtures		57,558,000
Total		68,726,000
Accumulated Depreciation		(13,286,000)
Net		$ 55,440,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2008
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2012
Wholly Owned Properties - Residential | Allure in Buckhead Village Residential
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		8,633,000
Initial Cost Buildings and Fixtures		19,844,000
Gross Amount, Land		8,633,000
Gross Amount, Buildings and Fixtures		26,133,000
Total		34,766,000
Accumulated Depreciation		(7,187,000)
Net		$ 27,579,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2002
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2012
Wholly Owned Properties - Residential | The High Rise at Post Alexander [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		8,435,000
Initial Cost Buildings and Fixtures		92,294,000
Gross Amount, Land		8,435,000
Gross Amount, Buildings and Fixtures		92,446,000
Total		100,881,000
Accumulated Depreciation		(10,258,000)
Net		$ 90,623,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2015
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Alexander [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		15,440,000
Initial Cost Buildings and Fixtures		73,278,000
Gross Amount, Land		15,440,000
Gross Amount, Buildings and Fixtures		74,906,000
Total		90,346,000
Accumulated Depreciation		(4,920,000)
Net		$ 85,426,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2006
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Briarcliff [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		24,645,000
Initial Cost Buildings and Fixtures		114,921,000
Gross Amount, Land		24,645,000
Gross Amount, Buildings and Fixtures		117,704,000
Total		142,349,000
Accumulated Depreciation		(9,380,000)
Net		$ 132,969,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1996
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Brookhaven [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		29,048,000
Initial Cost Buildings and Fixtures		106,463,000
Gross Amount, Land		29,048,000
Gross Amount, Buildings and Fixtures		111,747,000
Total		140,795,000
Accumulated Depreciation		(9,425,000)
Net		$ 131,370,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Chastain [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		30,223,000
Initial Cost Buildings and Fixtures		82,964,000
Gross Amount, Land		30,223,000
Gross Amount, Buildings and Fixtures		84,602,000
Total		114,825,000
Accumulated Depreciation		(6,721,000)
Net		$ 108,104,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1990
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Crossing [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		15,799,000
Initial Cost Buildings and Fixtures		48,054,000
Gross Amount, Land		15,799,000
Gross Amount, Buildings and Fixtures		49,792,000
Total		65,591,000
Accumulated Depreciation		(4,113,000)
Net		$ 61,478,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1995
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Gardens [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		17,907,000
Initial Cost Buildings and Fixtures		56,093,000
Gross Amount, Land		17,907,000
Gross Amount, Buildings and Fixtures		58,478,000
Total		76,385,000
Accumulated Depreciation		(5,019,000)
Net		$ 71,366,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1996
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Glen [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		13,878,000
Initial Cost Buildings and Fixtures		51,079,000
Gross Amount, Land		13,878,000
Gross Amount, Buildings and Fixtures		53,736,000
Total		67,614,000
Accumulated Depreciation		(4,328,000)
Net		$ 63,286,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1996
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Sanctuary At Oglethorpe [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		6,875,000
Initial Cost Buildings and Fixtures		31,441,000
Gross Amount, Land		6,875,000
Gross Amount, Buildings and Fixtures		36,953,000
Total		43,828,000
Accumulated Depreciation		(13,085,000)
Net		$ 30,743,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1994
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2008
Wholly Owned Properties - Residential | Post Centennial Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		13,650,000
Initial Cost Buildings and Fixtures		10,950,000
Gross Amount, Land		13,650,000
Gross Amount, Buildings and Fixtures		72,070,000
Total		85,720,000
Accumulated Depreciation		(1,344,000)
Net		$ 84,376,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2018
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Prescott
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,840,000
Initial Cost Buildings and Fixtures		24,011,000
Gross Amount, Land		3,840,000
Gross Amount, Buildings and Fixtures		28,576,000
Total		32,416,000
Accumulated Depreciation		(13,745,000)
Net		$ 18,671,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2001
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2004
Wholly Owned Properties - Residential | Colonial Grand at Berkeley Lake
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,960,000
Initial Cost Buildings and Fixtures		15,707,000
Gross Amount, Land		1,960,000
Gross Amount, Buildings and Fixtures		17,787,000
Total		19,747,000
Accumulated Depreciation		(4,889,000)
Net		$ 14,858,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1998
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Lake Lanier Club [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		6,710,000
Initial Cost Buildings and Fixtures		40,994,000
Gross Amount, Land		6,710,000
Gross Amount, Buildings and Fixtures		49,413,000
Total		56,123,000
Accumulated Depreciation		(23,407,000)
Net		$ 32,716,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2005
Wholly Owned Properties - Residential | Colonial Grand at River Oaks
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,360,000
Initial Cost Buildings and Fixtures		13,579,000
Gross Amount, Land		4,360,000
Gross Amount, Buildings and Fixtures		15,531,000
Total		19,891,000
Accumulated Depreciation		(5,275,000)
Net		$ 14,616,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1992
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at River Plantation
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,059,000
Initial Cost Buildings and Fixtures		19,158,000
Gross Amount, Land		2,059,000
Gross Amount, Buildings and Fixtures		21,209,000
Total		23,268,000
Accumulated Depreciation		(5,773,000)
Net		$ 17,495,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1994
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at McDaniel Farm
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,985,000
Initial Cost Buildings and Fixtures		32,206,000
Gross Amount, Land		3,985,000
Gross Amount, Buildings and Fixtures		36,157,000
Total		40,142,000
Accumulated Depreciation		(9,744,000)
Net		$ 30,398,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1997
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Pleasant Hill
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		6,753,000
Initial Cost Buildings and Fixtures		32,202,000
Gross Amount, Land		6,753,000
Gross Amount, Buildings and Fixtures		36,506,000
Total		43,259,000
Accumulated Depreciation		(9,415,000)
Net		$ 33,844,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1996
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Mount Vernon
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[2]	$ 0
Initial Cost Land		6,861,000
Initial Cost Buildings and Fixtures		23,748,000
Gross Amount, Land		6,861,000
Gross Amount, Buildings and Fixtures		27,090,000
Total		33,951,000
Accumulated Depreciation		(6,144,000)
Net		$ 27,807,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1997
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Shiloh
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,864,000
Initial Cost Buildings and Fixtures		45,893,000
Gross Amount, Land		4,864,000
Gross Amount, Buildings and Fixtures		49,991,000
Total		54,855,000
Accumulated Depreciation		(12,220,000)
Net		$ 42,635,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2002
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Milstead Village
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,100,000
Initial Cost Buildings and Fixtures		29,240,000
Gross Amount, Land		3,100,000
Gross Amount, Buildings and Fixtures		30,503,000
Total		33,603,000
Accumulated Depreciation		(6,527,000)
Net		$ 27,076,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1998
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2008
Wholly Owned Properties - Residential | Colonial Grand at Barrett Creek
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		5,661,000
Initial Cost Buildings and Fixtures		26,186,000
Gross Amount, Land		5,661,000
Gross Amount, Buildings and Fixtures		29,118,000
Total		34,779,000
Accumulated Depreciation		(8,050,000)
Net		$ 26,729,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1999
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Godley Station
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 9,028,000
Initial Cost Land		1,800,000
Initial Cost Buildings and Fixtures		35,454,000
Gross Amount, Land		1,800,000
Gross Amount, Buildings and Fixtures		38,938,000
Total		40,738,000
Accumulated Depreciation		(8,635,000)
Net		$ 32,103,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2001
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Village at Godley Lake
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,750,000
Initial Cost Buildings and Fixtures		30,893,000
Gross Amount, Land		1,750,000
Gross Amount, Buildings and Fixtures		32,142,000
Total		33,892,000
Accumulated Depreciation		(7,473,000)
Net		$ 26,419,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2008
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Avala at Savannah Quarters
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[2]	$ 0
Initial Cost Land		1,500,000
Initial Cost Buildings and Fixtures		24,862,000
Gross Amount, Land		1,500,000
Gross Amount, Buildings and Fixtures		26,908,000
Total		28,408,000
Accumulated Depreciation		(6,972,000)
Net		$ 21,436,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2009
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2011
Wholly Owned Properties - Residential | Georgetown Grove
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,288,000
Initial Cost Buildings and Fixtures		11,579,000
Gross Amount, Land		1,288,000
Gross Amount, Buildings and Fixtures		15,272,000
Total		16,560,000
Accumulated Depreciation		(10,078,000)
Net		$ 6,482,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1997
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1998
Wholly Owned Properties - Residential | Colonial Grand at Hammocks
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,441,000
Initial Cost Buildings and Fixtures		36,863,000
Gross Amount, Land		2,441,000
Gross Amount, Buildings and Fixtures		41,201,000
Total		43,642,000
Accumulated Depreciation		(9,202,000)
Net		$ 34,440,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1997
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Haven at Prairie Trace [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,500,000
Initial Cost Buildings and Fixtures		40,614,000
Gross Amount, Land		3,500,000
Gross Amount, Buildings and Fixtures		41,842,000
Total		45,342,000
Accumulated Depreciation		(3,862,000)
Net		$ 41,480,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2015
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2015
Wholly Owned Properties - Residential | Colonial Village at Greentree
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,710,000
Initial Cost Buildings and Fixtures		10,494,000
Gross Amount, Land		1,710,000
Gross Amount, Buildings and Fixtures		12,233,000
Total		13,943,000
Accumulated Depreciation		(3,430,000)
Net		$ 10,513,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1984
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Grand Reserve at Pinnacle [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,024,000
Initial Cost Buildings and Fixtures		31,525,000
Gross Amount, Land		2,024,000
Gross Amount, Buildings and Fixtures		37,400,000
Total		39,424,000
Accumulated Depreciation		(18,490,000)
Net		$ 20,934,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1998
Wholly Owned Properties - Residential | Colonial Village at Huntington
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,521,000
Initial Cost Buildings and Fixtures		8,223,000
Gross Amount, Land		2,521,000
Gross Amount, Buildings and Fixtures		9,499,000
Total		12,020,000
Accumulated Depreciation		(2,374,000)
Net		$ 9,646,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1986
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Village at Marsh Cove
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		5,231,000
Initial Cost Buildings and Fixtures		8,555,000
Gross Amount, Land		5,231,000
Gross Amount, Buildings and Fixtures		9,928,000
Total		15,159,000
Accumulated Depreciation		(2,876,000)
Net		$ 12,283,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1983
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Oaks at Wilmington Island
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,910,000
Initial Cost Buildings and Fixtures		25,315,000
Gross Amount, Land		2,864,000
Gross Amount, Buildings and Fixtures		30,048,000
Total		32,912,000
Accumulated Depreciation		(12,626,000)
Net		$ 20,286,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1999
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2006
Wholly Owned Properties - Residential | Highlands of West Village I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		14,410,000
Initial Cost Buildings and Fixtures		73,733,000
Gross Amount, Land		14,410,000
Gross Amount, Buildings and Fixtures		80,789,000
Total		95,199,000
Accumulated Depreciation		(12,206,000)
Net		$ 82,993,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2014
Wholly Owned Properties - Residential | The Denton III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[1]	$ 0
Initial Cost Land		4,000,000
Initial Cost Buildings and Fixtures		42,144,000
Gross Amount, Land		4,000,000
Gross Amount, Buildings and Fixtures		43,516,000
Total		47,516,000
Accumulated Depreciation		(4,530,000)
Net		$ 42,986,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2015
Wholly Owned Properties - Residential | Lakepointe [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		411,000
Initial Cost Buildings and Fixtures		3,699,000
Gross Amount, Land		411,000
Gross Amount, Buildings and Fixtures		6,406,000
Total		6,817,000
Accumulated Depreciation		(4,737,000)
Net		$ 2,080,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1986
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1994
Wholly Owned Properties - Residential | The Denton [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		750,000
Initial Cost Buildings and Fixtures		8,795,000
Gross Amount, Land		750,000
Gross Amount, Buildings and Fixtures		9,629,000
Total		10,379,000
Accumulated Depreciation		(716,000)
Net		$ 9,663,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2014
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2015
Wholly Owned Properties - Residential | Mansion [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		694,000
Initial Cost Buildings and Fixtures		6,242,000
Gross Amount, Land		694,000
Gross Amount, Buildings and Fixtures		10,129,000
Total		10,823,000
Accumulated Depreciation		(7,501,000)
Net		$ 3,322,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1989
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1994
Wholly Owned Properties - Residential | Village [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		900,000
Initial Cost Buildings and Fixtures		8,097,000
Gross Amount, Land		900,000
Gross Amount, Buildings and Fixtures		12,873,000
Total		13,773,000
Accumulated Depreciation		(9,579,000)
Net		$ 4,194,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1989
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1994
Wholly Owned Properties - Residential | Stonemill Village [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,169,000
Initial Cost Buildings and Fixtures		10,518,000
Gross Amount, Land		1,169,000
Gross Amount, Buildings and Fixtures		20,348,000
Total		21,517,000
Accumulated Depreciation		(14,568,000)
Net		$ 6,949,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1985
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1994
Wholly Owned Properties - Residential | Crosswinds [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,535,000
Initial Cost Buildings and Fixtures		13,826,000
Gross Amount, Land		1,535,000
Gross Amount, Buildings and Fixtures		19,561,000
Total		21,096,000
Accumulated Depreciation		(13,735,000)
Net		$ 7,361,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1989
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1996
Wholly Owned Properties - Residential | Pear Orchard [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,351,000
Initial Cost Buildings and Fixtures		12,168,000
Gross Amount, Land		1,351,000
Gross Amount, Buildings and Fixtures		21,023,000
Total		22,374,000
Accumulated Depreciation		(15,488,000)
Net		$ 6,886,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1985
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1994
Wholly Owned Properties - Residential | Reflection Pointe [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		710,000
Initial Cost Buildings and Fixtures		8,770,000
Gross Amount, Land		848,000
Gross Amount, Buildings and Fixtures		17,513,000
Total		18,361,000
Accumulated Depreciation		(12,444,000)
Net		$ 5,917,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1986
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1988
Wholly Owned Properties - Residential | Lakeshore Landing [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		676,000
Initial Cost Buildings and Fixtures		6,284,000
Gross Amount, Land		676,000
Gross Amount, Buildings and Fixtures		9,931,000
Total		10,607,000
Accumulated Depreciation		(5,141,000)
Net		$ 5,466,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1974
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1994
Wholly Owned Properties - Residential | Market Station [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		5,814,000
Initial Cost Buildings and Fixtures		46,241,000
Gross Amount, Land		5,814,000
Gross Amount, Buildings and Fixtures		48,550,000
Total		54,364,000
Accumulated Depreciation		(10,451,000)
Net		$ 43,913,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2010
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2012
Wholly Owned Properties - Residential | Colonial Grand at Desert Vista [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[1]	$ 0
Initial Cost Land		4,091,000
Initial Cost Buildings and Fixtures		29,826,000
Gross Amount, Land		4,091,000
Gross Amount, Buildings and Fixtures		31,360,000
Total		35,451,000
Accumulated Depreciation		(7,505,000)
Net		$ 27,946,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2009
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Palm Vista [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[1]	$ 0
Initial Cost Land		4,909,000
Initial Cost Buildings and Fixtures		25,643,000
Gross Amount, Land		4,909,000
Gross Amount, Buildings and Fixtures		28,472,000
Total		33,381,000
Accumulated Depreciation		(7,116,000)
Net		$ 26,265,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2007
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Village at Beaver Creek (Raleigh, NC) [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		7,491,000
Initial Cost Buildings and Fixtures		34,863,000
Gross Amount, Land		7,491,000
Gross Amount, Buildings and Fixtures		37,023,000
Total		44,514,000
Accumulated Depreciation		(8,248,000)
Net		$ 36,266,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2007
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Hermitage at Beechtree
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[1]	$ 0
Initial Cost Land		900,000
Initial Cost Buildings and Fixtures		8,099,000
Gross Amount, Land		900,000
Gross Amount, Buildings and Fixtures		13,185,000
Total		14,085,000
Accumulated Depreciation		(8,663,000)
Net		$ 5,422,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1988
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1997
Wholly Owned Properties - Residential | Waterford Forest
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[1]	$ 0
Initial Cost Land		4,000,000
Initial Cost Buildings and Fixtures		20,250,000
Gross Amount, Land		4,000,000
Gross Amount, Buildings and Fixtures		24,143,000
Total		28,143,000
Accumulated Depreciation		(11,450,000)
Net		$ 16,693,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1996
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2005
Wholly Owned Properties - Residential | 1225 South Church I
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		9,612,000
Initial Cost Buildings and Fixtures		22,342,000
Gross Amount, Land		9,612,000
Gross Amount, Buildings and Fixtures		50,274,000
Total		59,886,000
Accumulated Depreciation		(9,111,000)
Net		$ 50,775,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2010
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2010
Wholly Owned Properties - Residential | Colonial Grand at Ayrsley [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,481,000
Initial Cost Buildings and Fixtures		52,119,000
Gross Amount, Land		2,481,000
Gross Amount, Buildings and Fixtures		66,105,000
Total		68,586,000
Accumulated Depreciation		(13,604,000)
Net		$ 54,982,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2008
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Beverly Crest [Member]
Real Estate and Accumulated Depreciation [Line Items]
Gross Amount, Land		$ 3,161,000
Gross Amount, Buildings and Fixtures		26,932,000
Total		30,093,000
Accumulated Depreciation		(6,125,000)
Net		$ 23,968,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1996
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Legacy Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,891,000
Initial Cost Buildings and Fixtures		28,272,000
Gross Amount, Land		2,891,000
Gross Amount, Buildings and Fixtures		30,539,000
Total		33,430,000
Accumulated Depreciation		(7,185,000)
Net		$ 26,245,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2001
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Mallard Creek [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,591,000
Initial Cost Buildings and Fixtures		27,713,000
Gross Amount, Land		4,591,000
Gross Amount, Buildings and Fixtures		29,526,000
Total		34,117,000
Accumulated Depreciation		(6,969,000)
Net		$ 27,148,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2005
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Village at South Tryon
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,260,000
Initial Cost Buildings and Fixtures		19,489,000
Gross Amount, Land		2,260,000
Gross Amount, Buildings and Fixtures		21,442,000
Total		23,702,000
Accumulated Depreciation		(4,998,000)
Net		$ 18,704,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2002
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Village at Timber Crest [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,901,000
Initial Cost Buildings and Fixtures		17,192,000
Gross Amount, Land		2,901,000
Gross Amount, Buildings and Fixtures		19,608,000
Total		22,509,000
Accumulated Depreciation		(4,294,000)
Net		$ 18,215,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Enclave [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,461,000
Initial Cost Buildings and Fixtures		18,984,000
Gross Amount, Land		1,461,000
Gross Amount, Buildings and Fixtures		20,098,000
Total		21,559,000
Accumulated Depreciation		(3,988,000)
Net		$ 17,571,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2008
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Post Ballantyne [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		16,216,000
Initial Cost Buildings and Fixtures		44,817,000
Gross Amount, Land		16,216,000
Gross Amount, Buildings and Fixtures		46,880,000
Total		63,096,000
Accumulated Depreciation		(3,760,000)
Net		$ 59,336,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2004
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Gateway Place [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		17,528,000
Initial Cost Buildings and Fixtures		57,444,000
Gross Amount, Land		17,528,000
Gross Amount, Buildings and Fixtures		60,345,000
Total		77,873,000
Accumulated Depreciation		(5,223,000)
Net		$ 72,650,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Park at Phillips Place [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		20,869,000
Initial Cost Buildings and Fixtures		65,517,000
Gross Amount, Land		20,869,000
Gross Amount, Buildings and Fixtures		68,821,000
Total		89,690,000
Accumulated Depreciation		(5,683,000)
Net		$ 84,007,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1996
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Parkside at Wade [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		7,196,000
Initial Cost Buildings and Fixtures		51,972,000
Gross Amount, Land		7,196,000
Gross Amount, Buildings and Fixtures		52,645,000
Total		59,841,000
Accumulated Depreciation		(4,150,000)
Net		$ 55,691,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2011
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Parkside Orlando [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		5,669,000
Initial Cost Buildings and Fixtures		49,754,000
Gross Amount, Land		5,669,000
Gross Amount, Buildings and Fixtures		52,153,000
Total		57,822,000
Accumulated Depreciation		(4,332,000)
Net		$ 53,490,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1999
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post South End [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		18,835,000
Initial Cost Buildings and Fixtures		58,795,000
Gross Amount, Land		18,835,000
Gross Amount, Buildings and Fixtures		60,283,000
Total		79,118,000
Accumulated Depreciation		(4,505,000)
Net		$ 74,613,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2009
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Uptown [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		10,888,000
Initial Cost Buildings and Fixtures		30,078,000
Gross Amount, Land		10,888,000
Gross Amount, Buildings and Fixtures		31,565,000
Total		42,453,000
Accumulated Depreciation		(2,630,000)
Net		$ 39,823,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Colonial Grand at Cornelius [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,571,000
Initial Cost Buildings and Fixtures		29,151,000
Gross Amount, Land		4,571,000
Gross Amount, Buildings and Fixtures		30,606,000
Total		35,177,000
Accumulated Depreciation		(7,365,000)
Net		$ 27,812,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2009
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Patterson Place [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,590,000
Initial Cost Buildings and Fixtures		27,126,000
Gross Amount, Land		2,590,000
Gross Amount, Buildings and Fixtures		30,170,000
Total		32,760,000
Accumulated Depreciation		(6,840,000)
Net		$ 25,920,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1997
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Village at Deerfield [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,271,000
Initial Cost Buildings and Fixtures		15,609,000
Gross Amount, Land		3,271,000
Gross Amount, Buildings and Fixtures		17,119,000
Total		20,390,000
Accumulated Depreciation		(4,695,000)
Net		$ 15,695,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1985
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Research Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,201,000
Initial Cost Buildings and Fixtures		37,682,000
Gross Amount, Land		4,201,000
Gross Amount, Buildings and Fixtures		40,603,000
Total		44,804,000
Accumulated Depreciation		(9,458,000)
Net		$ 35,346,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2002
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Huntersville [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,251,000
Initial Cost Buildings and Fixtures		31,948,000
Gross Amount, Land		4,251,000
Gross Amount, Buildings and Fixtures		34,557,000
Total		38,808,000
Accumulated Depreciation		(8,033,000)
Net		$ 30,775,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2008
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Village at Matthews [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,071,000
Initial Cost Buildings and Fixtures		21,830,000
Gross Amount, Land		3,071,000
Gross Amount, Buildings and Fixtures		26,460,000
Total		29,531,000
Accumulated Depreciation		(6,991,000)
Net		$ 22,540,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2008
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Matthews Commons [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,690,000
Initial Cost Buildings and Fixtures		28,536,000
Gross Amount, Land		3,690,000
Gross Amount, Buildings and Fixtures		30,683,000
Total		34,373,000
Accumulated Depreciation		(7,088,000)
Net		$ 27,285,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2008
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Arringdon [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		6,401,000
Initial Cost Buildings and Fixtures		31,134,000
Gross Amount, Land		6,401,000
Gross Amount, Buildings and Fixtures		34,082,000
Total		40,483,000
Accumulated Depreciation		(7,917,000)
Net		$ 32,566,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2003
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Brier Creek (Raleigh, NC) [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		7,372,000
Initial Cost Buildings and Fixtures		50,202,000
Gross Amount, Land		7,372,000
Gross Amount, Buildings and Fixtures		52,480,000
Total		59,852,000
Accumulated Depreciation		(11,622,000)
Net		$ 48,230,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2010
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Brier Falls (Raleigh, NC) [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		6,572,000
Initial Cost Buildings and Fixtures		48,910,000
Gross Amount, Land		6,572,000
Gross Amount, Buildings and Fixtures		50,718,000
Total		57,290,000
Accumulated Depreciation		(11,066,000)
Net		$ 46,224,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2008
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Crabtree Valley [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,241,000
Initial Cost Buildings and Fixtures		18,434,000
Gross Amount, Land		2,241,000
Gross Amount, Buildings and Fixtures		20,083,000
Total		22,324,000
Accumulated Depreciation		(4,336,000)
Net		$ 17,988,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1997
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Hue [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,690,000
Initial Cost Buildings and Fixtures		29,910,000
Gross Amount, Land		3,690,000
Gross Amount, Buildings and Fixtures		32,449,000
Total		36,139,000
Accumulated Depreciation		(7,630,000)
Net		$ 28,509,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2009
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2010
Wholly Owned Properties - Residential | Colonial Grand at Trinity Commons [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		5,232,000
Initial Cost Buildings and Fixtures		45,138,000
Gross Amount, Land		5,232,000
Gross Amount, Buildings and Fixtures		48,378,000
Total		53,610,000
Accumulated Depreciation		(11,612,000)
Net		$ 41,998,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Preserve At Brier Creek [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		5,850,000
Initial Cost Buildings and Fixtures		21,980,000
Gross Amount, Land		5,831,000
Gross Amount, Buildings and Fixtures		47,450,000
Total		53,281,000
Accumulated Depreciation		(17,903,000)
Net		$ 35,378,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2004
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2006
Wholly Owned Properties - Residential | Providence At Brier Creek [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,695,000
Initial Cost Buildings and Fixtures		29,007,000
Gross Amount, Land		4,695,000
Gross Amount, Buildings and Fixtures		30,904,000
Total		35,599,000
Accumulated Depreciation		(11,254,000)
Net		$ 24,345,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2007
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2008
Wholly Owned Properties - Residential | Woodwinds [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,968,000
Initial Cost Buildings and Fixtures		19,928,000
Gross Amount, Land		1,968,000
Gross Amount, Buildings and Fixtures		23,858,000
Total		25,826,000
Accumulated Depreciation		(10,313,000)
Net		$ 15,513,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1999
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2006
Wholly Owned Properties - Residential | 535 Brookwood
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 12,011,000
Initial Cost Land		1,216,000
Initial Cost Buildings and Fixtures		18,666,000
Gross Amount, Land		1,216,000
Gross Amount, Buildings and Fixtures		20,231,000
Total		21,447,000
Accumulated Depreciation		(6,068,000)
Net		$ 15,379,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2008
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2010
Wholly Owned Properties - Residential | Park Place
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		723,000
Initial Cost Buildings and Fixtures		6,504,000
Gross Amount, Land		723,000
Gross Amount, Buildings and Fixtures		9,681,000
Total		10,404,000
Accumulated Depreciation		(6,721,000)
Net		$ 3,683,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1987
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1997
Wholly Owned Properties - Residential | Charlotte at MIdtown [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		7,898,000
Initial Cost Buildings and Fixtures		54,480,000
Gross Amount, Land		7,898,000
Gross Amount, Buildings and Fixtures		55,305,000
Total		63,203,000
Accumulated Depreciation		(2,791,000)
Net		$ 60,412,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2016
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2017
Wholly Owned Properties - Residential | Farmington Village [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,800,000
Initial Cost Buildings and Fixtures		26,295,000
Gross Amount, Land		2,800,000
Gross Amount, Buildings and Fixtures		28,760,000
Total		31,560,000
Accumulated Depreciation		(11,008,000)
Net		$ 20,552,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2007
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2007
Wholly Owned Properties - Residential | Colonial Village at Waters Edge
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,103,000
Initial Cost Buildings and Fixtures		9,187,000
Gross Amount, Land		2,103,000
Gross Amount, Buildings and Fixtures		12,974,000
Total		15,077,000
Accumulated Depreciation		(3,937,000)
Net		$ 11,140,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1985
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Hamilton Pointe
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,131,000
Initial Cost Buildings and Fixtures		10,632,000
Gross Amount, Land		1,131,000
Gross Amount, Buildings and Fixtures		15,584,000
Total		16,715,000
Accumulated Depreciation		(8,171,000)
Net		$ 8,544,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1989
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1992
Wholly Owned Properties - Residential | Hidden Creek
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		972,000
Initial Cost Buildings and Fixtures		8,954,000
Gross Amount, Land		972,000
Gross Amount, Buildings and Fixtures		14,932,000
Total		15,904,000
Accumulated Depreciation		(6,635,000)
Net		$ 9,269,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1987
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1988
Wholly Owned Properties - Residential | Steeplechase
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[1]	$ 0
Initial Cost Land		217,000
Initial Cost Buildings and Fixtures		1,957,000
Gross Amount, Land		217,000
Gross Amount, Buildings and Fixtures		5,297,000
Total		5,514,000
Accumulated Depreciation		(3,748,000)
Net		$ 1,766,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1986
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1991
Wholly Owned Properties - Residential | Windridge
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		817,000
Initial Cost Buildings and Fixtures		7,416,000
Gross Amount, Land		817,000
Gross Amount, Buildings and Fixtures		11,880,000
Total		12,697,000
Accumulated Depreciation		(8,087,000)
Net		$ 4,610,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1984
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1997
Wholly Owned Properties - Residential | Kirby Station
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,148,000
Initial Cost Buildings and Fixtures		10,337,000
Gross Amount, Land		1,148,000
Gross Amount, Buildings and Fixtures		21,022,000
Total		22,170,000
Accumulated Depreciation		(14,339,000)
Net		$ 7,831,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1978
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1994
Wholly Owned Properties - Residential | Lincoln on the Green
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[1]	$ 0
Initial Cost Land		1,498,000
Initial Cost Buildings and Fixtures		20,483,000
Gross Amount, Land		1,498,000
Gross Amount, Buildings and Fixtures		37,123,000
Total		38,621,000
Accumulated Depreciation		(26,261,000)
Net		$ 12,360,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1992
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1994
Wholly Owned Properties - Residential | Park Estate
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[1]	$ 0
Initial Cost Land		178,000
Initial Cost Buildings and Fixtures		1,141,000
Gross Amount, Land		178,000
Gross Amount, Buildings and Fixtures		6,231,000
Total		6,409,000
Accumulated Depreciation		(4,878,000)
Net		$ 1,531,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1974
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1977
Wholly Owned Properties - Residential | Reserve at Dexter Lake
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[1]	$ 0
Initial Cost Land		1,260,000
Initial Cost Buildings and Fixtures		16,043,000
Gross Amount, Land		3,407,000
Gross Amount, Buildings and Fixtures		57,674,000
Total		61,081,000
Accumulated Depreciation		(27,474,000)
Net		$ 33,607,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1998
Wholly Owned Properties - Residential | Post West Austin [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		7,805,000
Initial Cost Buildings and Fixtures		48,843,000
Gross Amount, Land		7,805,000
Gross Amount, Buildings and Fixtures		50,011,000
Total		57,816,000
Accumulated Depreciation		(4,930,000)
Net		$ 52,886,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2009
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Park Mesa [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,653,000
Initial Cost Buildings and Fixtures		19,828,000
Gross Amount, Land		4,653,000
Gross Amount, Buildings and Fixtures		20,502,000
Total		25,155,000
Accumulated Depreciation		(1,668,000)
Net		$ 23,487,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1992
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Paddock Club Murfreesboro
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		915,000
Initial Cost Buildings and Fixtures		14,774,000
Gross Amount, Land		915,000
Gross Amount, Buildings and Fixtures		18,423,000
Total		19,338,000
Accumulated Depreciation		(9,763,000)
Net		$ 9,575,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1999
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1998
Wholly Owned Properties - Residential | Aventura at Indian Lake Village
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,950,000
Initial Cost Buildings and Fixtures		28,053,000
Gross Amount, Land		4,950,000
Gross Amount, Buildings and Fixtures		29,729,000
Total		34,679,000
Accumulated Depreciation		(7,663,000)
Net		$ 27,016,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2010
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2011
Wholly Owned Properties - Residential | Avondale at Kennesaw
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 16,552,000
Initial Cost Land		3,456,000
Initial Cost Buildings and Fixtures		22,443,000
Gross Amount, Land		3,456,000
Gross Amount, Buildings and Fixtures		25,450,000
Total		28,906,000
Accumulated Depreciation		(7,550,000)
Net		$ 21,356,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2008
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2010
Wholly Owned Properties - Residential | Brentwood Downs
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,193,000
Initial Cost Buildings and Fixtures		10,739,000
Gross Amount, Land		1,191,000
Gross Amount, Buildings and Fixtures		19,329,000
Total		20,520,000
Accumulated Depreciation		(12,321,000)
Net		$ 8,199,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1986
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1994
Wholly Owned Properties - Residential | Colonial Grand at Bellevue
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 20,088,000
Initial Cost Land		17,278,000
Initial Cost Buildings and Fixtures		64,196,000
Gross Amount, Land		17,276,000
Gross Amount, Buildings and Fixtures		67,563,000
Total		84,839,000
Accumulated Depreciation		(11,950,000)
Net		$ 72,889,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Grand View Nashville
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,963,000
Initial Cost Buildings and Fixtures		33,673,000
Gross Amount, Land		2,963,000
Gross Amount, Buildings and Fixtures		42,225,000
Total		45,188,000
Accumulated Depreciation		(20,057,000)
Net		$ 25,131,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2001
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1998
Wholly Owned Properties - Residential | Monthaven Park
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,736,000
Initial Cost Buildings and Fixtures		28,902,000
Gross Amount, Land		2,736,000
Gross Amount, Buildings and Fixtures		34,935,000
Total		37,671,000
Accumulated Depreciation		(17,762,000)
Net		$ 19,909,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2004
Wholly Owned Properties - Residential | Park at Hermitage
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[1]	$ 0
Initial Cost Land		1,524,000
Initial Cost Buildings and Fixtures		14,800,000
Gross Amount, Land		1,524,000
Gross Amount, Buildings and Fixtures		23,814,000
Total		25,338,000
Accumulated Depreciation		(17,472,000)
Net		$ 7,866,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1987
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1995
Wholly Owned Properties - Residential | Venue at Cool Springs
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[1]	$ 0
Initial Cost Land		6,670,000
Initial Cost Buildings and Fixtures		0
Gross Amount, Land		6,670,000
Gross Amount, Buildings and Fixtures		51,922,000
Total		58,592,000
Accumulated Depreciation		(8,690,000)
Net		$ 49,902,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2012
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2010
Wholly Owned Properties - Residential | Verandas at Sam Ridley
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[1]	$ 20,372,000
Initial Cost Land		3,350,000
Initial Cost Buildings and Fixtures		28,308,000
Gross Amount, Land		3,350,000
Gross Amount, Buildings and Fixtures		30,629,000
Total		33,979,000
Accumulated Depreciation		(9,018,000)
Net		$ 24,961,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2009
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2010
Wholly Owned Properties - Residential | Balcones Woods
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,598,000
Initial Cost Buildings and Fixtures		14,398,000
Gross Amount, Land		1,598,000
Gross Amount, Buildings and Fixtures		23,531,000
Total		25,129,000
Accumulated Depreciation		(16,270,000)
Net		$ 8,859,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1983
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1997
Wholly Owned Properties - Residential | Colonial Grand at Canyon Creek
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 13,356,000
Initial Cost Land		3,621,000
Initial Cost Buildings and Fixtures		32,137,000
Gross Amount, Land		3,621,000
Gross Amount, Buildings and Fixtures		33,823,000
Total		37,444,000
Accumulated Depreciation		(7,986,000)
Net		$ 29,458,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2008
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Canyon Pointe
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,778,000
Initial Cost Buildings and Fixtures		20,201,000
Gross Amount, Land		3,778,000
Gross Amount, Buildings and Fixtures		22,368,000
Total		26,146,000
Accumulated Depreciation		(5,831,000)
Net		$ 20,315,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2003
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Post Abbey [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,711,000
Initial Cost Buildings and Fixtures		4,369,000
Gross Amount, Land		2,711,000
Gross Amount, Buildings and Fixtures		4,481,000
Total		7,192,000
Accumulated Depreciation		(384,000)
Net		$ 6,808,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1996
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Addison Circle [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		12,308,000
Initial Cost Buildings and Fixtures		189,419,000
Gross Amount, Land		12,308,000
Gross Amount, Buildings and Fixtures		196,056,000
Total		208,364,000
Accumulated Depreciation		(15,940,000)
Net		$ 192,424,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Cole's Corner [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		13,030,000
Initial Cost Buildings and Fixtures		14,383,000
Gross Amount, Land		13,030,000
Gross Amount, Buildings and Fixtures		15,924,000
Total		28,954,000
Accumulated Depreciation		(1,481,000)
Net		$ 27,473,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1998
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Colonial Grand at Double Creek
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,131,000
Initial Cost Buildings and Fixtures		29,375,000
Gross Amount, Land		3,131,000
Gross Amount, Buildings and Fixtures		30,289,000
Total		33,420,000
Accumulated Depreciation		(7,172,000)
Net		$ 26,248,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2013
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Onion Creek
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,902,000
Initial Cost Buildings and Fixtures		33,010,000
Gross Amount, Land		4,902,000
Gross Amount, Buildings and Fixtures		34,807,000
Total		39,709,000
Accumulated Depreciation		(8,337,000)
Net		$ 31,372,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2009
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Post Eastside [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		7,134,000
Initial Cost Buildings and Fixtures		58,095,000
Gross Amount, Land		7,134,000
Gross Amount, Buildings and Fixtures		58,948,000
Total		66,082,000
Accumulated Depreciation		(5,277,000)
Net		$ 60,805,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2008
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Gallery [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,391,000
Initial Cost Buildings and Fixtures		7,910,000
Gross Amount, Land		4,391,000
Gross Amount, Buildings and Fixtures		8,597,000
Total		12,988,000
Accumulated Depreciation		(870,000)
Net		$ 12,118,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1999
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Heights [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		26,245,000
Initial Cost Buildings and Fixtures		37,922,000
Gross Amount, Land		26,245,000
Gross Amount, Buildings and Fixtures		38,745,000
Total		64,990,000
Accumulated Depreciation		(3,439,000)
Net		$ 61,551,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Katy Trail [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		10,333,000
Initial Cost Buildings and Fixtures		32,456,000
Gross Amount, Land		10,333,000
Gross Amount, Buildings and Fixtures		33,077,000
Total		43,410,000
Accumulated Depreciation		(2,524,000)
Net		$ 40,886,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2010
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Legacy [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		6,575,000
Initial Cost Buildings and Fixtures		55,277,000
Gross Amount, Land		6,575,000
Gross Amount, Buildings and Fixtures		57,541,000
Total		64,116,000
Accumulated Depreciation		(4,616,000)
Net		$ 59,500,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Meridian [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		8,780,000
Initial Cost Buildings and Fixtures		13,654,000
Gross Amount, Land		8,780,000
Gross Amount, Buildings and Fixtures		13,862,000
Total		22,642,000
Accumulated Depreciation		(1,279,000)
Net		$ 21,363,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1991
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Sierra at Frisco Bridges [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		6,777,000
Initial Cost Buildings and Fixtures		32,553,000
Gross Amount, Land		6,777,000
Gross Amount, Buildings and Fixtures		33,133,000
Total		39,910,000
Accumulated Depreciation		(3,291,000)
Net		$ 36,619,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2009
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		13,178,000
Initial Cost Buildings and Fixtures		24,048,000
Gross Amount, Land		13,178,000
Gross Amount, Buildings and Fixtures		25,065,000
Total		38,243,000
Accumulated Depreciation		(2,013,000)
Net		$ 36,230,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1996
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Uptown Village [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		34,974,000
Initial Cost Buildings and Fixtures		33,213,000
Gross Amount, Land		34,974,000
Gross Amount, Buildings and Fixtures		36,677,000
Total		71,651,000
Accumulated Depreciation		(3,231,000)
Net		$ 68,420,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Vineyard [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		7,966,000
Initial Cost Buildings and Fixtures		7,471,000
Gross Amount, Land		7,966,000
Gross Amount, Buildings and Fixtures		8,099,000
Total		16,065,000
Accumulated Depreciation		(691,000)
Net		$ 15,374,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1996
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Vintage [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		13,621,000
Initial Cost Buildings and Fixtures		8,608,000
Gross Amount, Land		13,621,000
Gross Amount, Buildings and Fixtures		9,316,000
Total		22,937,000
Accumulated Depreciation		(851,000)
Net		$ 22,086,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1993
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Worthington [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		13,713,000
Initial Cost Buildings and Fixtures		43,268,000
Gross Amount, Land		13,713,000
Gross Amount, Buildings and Fixtures		44,185,000
Total		57,898,000
Accumulated Depreciation		(3,598,000)
Net		$ 54,300,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Grand Reserve at Sunset Valley
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[1]	$ 0
Initial Cost Land		3,150,000
Initial Cost Buildings and Fixtures		11,393,000
Gross Amount, Land		3,150,000
Gross Amount, Buildings and Fixtures		15,212,000
Total		18,362,000
Accumulated Depreciation		(7,409,000)
Net		$ 10,953,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1996
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2004
Wholly Owned Properties - Residential | Colonial Village at Quarry Oaks
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[1]	$ 0
Initial Cost Land		4,621,000
Initial Cost Buildings and Fixtures		34,461,000
Gross Amount, Land		4,621,000
Gross Amount, Buildings and Fixtures		40,341,000
Total		44,962,000
Accumulated Depreciation		(10,509,000)
Net		$ 34,453,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1996
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Wells Branch
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,094,000
Initial Cost Buildings and Fixtures		32,283,000
Gross Amount, Land		3,388,000
Gross Amount, Buildings and Fixtures		33,907,000
Total		37,295,000
Accumulated Depreciation		(7,568,000)
Net		$ 29,727,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2008
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Legacy at Western Oaks
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		9,100,000
Initial Cost Buildings and Fixtures		49,339,000
Gross Amount, Land		9,100,000
Gross Amount, Buildings and Fixtures		49,830,000
Total		58,930,000
Accumulated Depreciation		(11,908,000)
Net		$ 47,022,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2001
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2009
Wholly Owned Properties - Residential | Post South Lamar [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		11,542,000
Initial Cost Buildings and Fixtures		41,293,000
Gross Amount, Land		11,542,000
Gross Amount, Buildings and Fixtures		42,151,000
Total		53,693,000
Accumulated Depreciation		(4,271,000)
Net		$ 49,422,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2011
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Barton Creek [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		8,683,000
Initial Cost Buildings and Fixtures		21,497,000
Gross Amount, Land		8,683,000
Gross Amount, Buildings and Fixtures		22,402,000
Total		31,085,000
Accumulated Depreciation		(2,076,000)
Net		$ 29,009,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1998
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Silverado
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,900,000
Initial Cost Buildings and Fixtures		24,009,000
Gross Amount, Land		2,900,000
Gross Amount, Buildings and Fixtures		28,218,000
Total		31,118,000
Accumulated Depreciation		(12,387,000)
Net		$ 18,731,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2003
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2006
Wholly Owned Properties - Residential | Stassney Woods
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,621,000
Initial Cost Buildings and Fixtures		7,501,000
Gross Amount, Land		1,621,000
Gross Amount, Buildings and Fixtures		16,156,000
Total		17,777,000
Accumulated Depreciation		(10,362,000)
Net		$ 7,415,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1985
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1995
Wholly Owned Properties - Residential | Travis Station
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,281,000
Initial Cost Buildings and Fixtures		6,169,000
Gross Amount, Land		2,281,000
Gross Amount, Buildings and Fixtures		14,188,000
Total		16,469,000
Accumulated Depreciation		(9,227,000)
Net		$ 7,242,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1987
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1995
Wholly Owned Properties - Residential | Woods, The
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,405,000
Initial Cost Buildings and Fixtures		12,769,000
Gross Amount, Land		1,405,000
Gross Amount, Buildings and Fixtures		22,585,000
Total		23,990,000
Accumulated Depreciation		(10,639,000)
Net		$ 13,351,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1977
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1997
Wholly Owned Properties - Residential | Colonial Village at Shoal Creek
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,982,000
Initial Cost Buildings and Fixtures		27,377,000
Gross Amount, Land		4,982,000
Gross Amount, Buildings and Fixtures		31,012,000
Total		35,994,000
Accumulated Depreciation		(7,770,000)
Net		$ 28,224,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1996
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Village at Willow Creek
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,109,000
Initial Cost Buildings and Fixtures		33,488,000
Gross Amount, Land		3,109,000
Gross Amount, Buildings and Fixtures		40,903,000
Total		44,012,000
Accumulated Depreciation		(10,077,000)
Net		$ 33,935,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1996
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Post Midtown Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		19,038,000
Initial Cost Buildings and Fixtures		89,570,000
Gross Amount, Land		19,038,000
Gross Amount, Buildings and Fixtures		91,187,000
Total		110,225,000
Accumulated Depreciation		(7,964,000)
Net		$ 102,261,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post 510 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		7,227,000
Initial Cost Buildings and Fixtures		33,366,000
Gross Amount, Land		7,227,000
Gross Amount, Buildings and Fixtures		33,655,000
Total		40,882,000
Accumulated Depreciation		(3,162,000)
Net		$ 37,720,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2014
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Colonial Grand at Hebron (Dallas, TX) [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,231,000
Initial Cost Buildings and Fixtures		42,237,000
Gross Amount, Land		4,231,000
Gross Amount, Buildings and Fixtures		43,514,000
Total		47,745,000
Accumulated Depreciation		(9,268,000)
Net		$ 38,477,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2011
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Silverado [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,282,000
Initial Cost Buildings and Fixtures		24,935,000
Gross Amount, Land		3,282,000
Gross Amount, Buildings and Fixtures		26,304,000
Total		29,586,000
Accumulated Depreciation		(6,132,000)
Net		$ 23,454,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2005
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Silverado Reserve [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,951,000
Initial Cost Buildings and Fixtures		31,705,000
Gross Amount, Land		3,951,000
Gross Amount, Buildings and Fixtures		33,659,000
Total		37,610,000
Accumulated Depreciation		(7,652,000)
Net		$ 29,958,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2005
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Yale at 6th [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		13,107,000
Initial Cost Buildings and Fixtures		62,764,000
Gross Amount, Land		13,107,000
Gross Amount, Buildings and Fixtures		63,868,000
Total		76,975,000
Accumulated Depreciation		(2,447,000)
Net		$ 74,528,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2015
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Grand Cypress [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,881,000
Initial Cost Buildings and Fixtures		24,267,000
Gross Amount, Land		3,881,000
Gross Amount, Buildings and Fixtures		25,583,000
Total		29,464,000
Accumulated Depreciation		(4,560,000)
Net		$ 24,904,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2008
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Courtyards at Campbell
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		988,000
Initial Cost Buildings and Fixtures		8,893,000
Gross Amount, Land		988,000
Gross Amount, Buildings and Fixtures		12,926,000
Total		13,914,000
Accumulated Depreciation		(8,572,000)
Net		$ 5,342,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1986
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1998
Wholly Owned Properties - Residential | Deer Run
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,252,000
Initial Cost Buildings and Fixtures		11,271,000
Gross Amount, Land		1,252,000
Gross Amount, Buildings and Fixtures		16,289,000
Total		17,541,000
Accumulated Depreciation		(10,942,000)
Net		$ 6,599,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1985
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1998
Wholly Owned Properties - Residential | Grand Courtyard
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,730,000
Initial Cost Buildings and Fixtures		22,240,000
Gross Amount, Land		2,730,000
Gross Amount, Buildings and Fixtures		25,855,000
Total		28,585,000
Accumulated Depreciation		(11,461,000)
Net		$ 17,124,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2006
Wholly Owned Properties - Residential | Legends at Lowe's Farm
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		5,016,000
Initial Cost Buildings and Fixtures		41,091,000
Gross Amount, Land		5,016,000
Gross Amount, Buildings and Fixtures		43,689,000
Total		48,705,000
Accumulated Depreciation		(11,336,000)
Net		$ 37,369,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2008
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2011
Wholly Owned Properties - Residential | Colonial Reserve at Medical District
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,050,000
Initial Cost Buildings and Fixtures		33,779,000
Gross Amount, Land		4,050,000
Gross Amount, Buildings and Fixtures		35,806,000
Total		39,856,000
Accumulated Depreciation		(7,301,000)
Net		$ 32,555,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2007
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Watermark
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		960,000
Initial Cost Buildings and Fixtures		14,438,000
Gross Amount, Land		960,000
Gross Amount, Buildings and Fixtures		17,485,000
Total		18,445,000
Accumulated Depreciation		(8,672,000)
Net		$ 9,773,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2002
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2004
Wholly Owned Properties - Residential | Colonial Grand at Bear Creek
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		6,453,000
Initial Cost Buildings and Fixtures		30,048,000
Gross Amount, Land		6,453,000
Gross Amount, Buildings and Fixtures		32,922,000
Total		39,375,000
Accumulated Depreciation		(8,561,000)
Net		$ 30,814,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1998
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Fairview
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,171,000
Initial Cost Buildings and Fixtures		35,077,000
Gross Amount, Land		2,171,000
Gross Amount, Buildings and Fixtures		36,118,000
Total		38,289,000
Accumulated Depreciation		(7,590,000)
Net		$ 30,699,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2012
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | La Valencia At Starwood
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,240,000
Initial Cost Buildings and Fixtures		26,069,000
Gross Amount, Land		3,240,000
Gross Amount, Buildings and Fixtures		27,746,000
Total		30,986,000
Accumulated Depreciation		(8,144,000)
Net		$ 22,842,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2009
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2010
Wholly Owned Properties - Residential | Colonial Reserve at Frisco Bridges
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,968,000
Initial Cost Buildings and Fixtures		34,018,000
Gross Amount, Land		1,968,000
Gross Amount, Buildings and Fixtures		35,463,000
Total		37,431,000
Accumulated Depreciation		(7,350,000)
Net		$ 30,081,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2013
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Village at Grapevine
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,351,000
Initial Cost Buildings and Fixtures		29,757,000
Gross Amount, Land		2,351,000
Gross Amount, Buildings and Fixtures		35,426,000
Total		37,777,000
Accumulated Depreciation		(8,355,000)
Net		$ 29,422,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Greenwood Forest
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,465,000
Initial Cost Buildings and Fixtures		23,482,000
Gross Amount, Land		3,465,000
Gross Amount, Buildings and Fixtures		24,005,000
Total		27,470,000
Accumulated Depreciation		(4,938,000)
Net		$ 22,532,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1994
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Legacy Pines
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,157,000
Initial Cost Buildings and Fixtures		19,066,000
Gross Amount, Land		2,142,000
Gross Amount, Buildings and Fixtures		23,250,000
Total		25,392,000
Accumulated Depreciation		(12,252,000)
Net		$ 13,140,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1999
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2003
Wholly Owned Properties - Residential | Park Place (Houston)
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,061,000
Initial Cost Buildings and Fixtures		15,830,000
Gross Amount, Land		2,061,000
Gross Amount, Buildings and Fixtures		19,115,000
Total		21,176,000
Accumulated Depreciation		(8,141,000)
Net		$ 13,035,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1996
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2007
Wholly Owned Properties - Residential | Ranchstone
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,480,000
Initial Cost Buildings and Fixtures		14,807,000
Gross Amount, Land		1,480,000
Gross Amount, Buildings and Fixtures		17,578,000
Total		19,058,000
Accumulated Depreciation		(7,245,000)
Net		$ 11,813,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1996
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2007
Wholly Owned Properties - Residential | Retreat at Vintage Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		8,211,000
Initial Cost Buildings and Fixtures		40,352,000
Gross Amount, Land		8,211,000
Gross Amount, Buildings and Fixtures		41,239,000
Total		49,450,000
Accumulated Depreciation		(4,417,000)
Net		$ 45,033,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2014
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2014
Wholly Owned Properties - Residential | Cascade at Fall Creek
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		5,985,000
Initial Cost Buildings and Fixtures		40,011,000
Gross Amount, Land		5,985,000
Gross Amount, Buildings and Fixtures		42,817,000
Total		48,802,000
Accumulated Depreciation		(16,666,000)
Net		$ 32,136,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2007
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2007
Wholly Owned Properties - Residential | Bella Casita at Las Colinas
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,521,000
Initial Cost Buildings and Fixtures		26,432,000
Gross Amount, Land		2,521,000
Gross Amount, Buildings and Fixtures		28,787,000
Total		31,308,000
Accumulated Depreciation		(8,207,000)
Net		$ 23,101,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2007
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2010
Wholly Owned Properties - Residential | Remington Hills
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,390,000
Initial Cost Buildings and Fixtures		21,822,000
Gross Amount, Land		4,390,000
Gross Amount, Buildings and Fixtures		33,642,000
Total		38,032,000
Accumulated Depreciation		(7,517,000)
Net		$ 30,515,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1984
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Reserve at Las Colinas
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,902,000
Initial Cost Buildings and Fixtures		40,691,000
Gross Amount, Land		3,902,000
Gross Amount, Buildings and Fixtures		42,315,000
Total		46,217,000
Accumulated Depreciation		(8,743,000)
Net		$ 37,474,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2006
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Valley Ranch
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 22,778,000
Initial Cost Land		5,072,000
Initial Cost Buildings and Fixtures		37,397,000
Gross Amount, Land		5,072,000
Gross Amount, Buildings and Fixtures		49,540,000
Total		54,612,000
Accumulated Depreciation		(12,067,000)
Net		$ 42,545,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1997
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Village at Oakbend
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[2]	$ 0
Initial Cost Land		5,598,000
Initial Cost Buildings and Fixtures		28,616,000
Gross Amount, Land		5,598,000
Gross Amount, Buildings and Fixtures		32,653,000
Total		38,251,000
Accumulated Depreciation		(8,001,000)
Net		$ 30,250,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1997
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Times Square at Craig Ranch
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,130,000
Initial Cost Buildings and Fixtures		28,058,000
Gross Amount, Land		1,130,000
Gross Amount, Buildings and Fixtures		32,382,000
Total		33,512,000
Accumulated Depreciation		(9,932,000)
Net		$ 23,580,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2009
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2010
Wholly Owned Properties - Residential | Colonial Grand at Randal Lakes II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Buildings and Fixtures		3,200,000
Gross Amount, Land		36,775,000
Gross Amount, Buildings and Fixtures		3,200,000
Total		39,975,000
Accumulated Depreciation		(1,903,000)
Net		$ 38,072,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Post Parkside at Wade II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		9,450,000
Initial Cost Buildings and Fixtures		46,316,000
Gross Amount, Land		10,037,000
Gross Amount, Buildings and Fixtures		47,962,000
Total		57,999,000
Accumulated Depreciation		(5,918,000)
Net		$ 52,081,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2017
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Afton Oaks [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		11,503,000
Initial Cost Buildings and Fixtures		65,469,000
Gross Amount, Land		11,503,000
Gross Amount, Buildings and Fixtures		68,889,000
Total		80,392,000
Accumulated Depreciation		(7,027,000)
Net		$ 73,365,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2017
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post South Lamar II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		9,000,000
Initial Cost Buildings and Fixtures		32,800,000
Gross Amount, Land		9,000,000
Gross Amount, Buildings and Fixtures		52,850,000
Total		61,850,000
Accumulated Depreciation		(632,000)
Net		$ 61,218,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2017
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Millennium Midtown [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		7,000,000
Initial Cost Buildings and Fixtures		44,000,000
Gross Amount, Land		7,000,000
Gross Amount, Buildings and Fixtures		83,882,000
Total		90,882,000
Accumulated Depreciation		(3,294,000)
Net		$ 87,588,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2017
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | The Denton II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		770,000
Initial Cost Buildings and Fixtures		0
Gross Amount, Land		770,000
Gross Amount, Buildings and Fixtures		24,258,000
Total		25,028,000
Accumulated Depreciation		(695,000)
Net		$ 24,333,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2017
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2015
Wholly Owned Properties - Residential | Venue at Stonebridge Ranch [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,034,000
Initial Cost Buildings and Fixtures		19,528,000
Gross Amount, Land		4,034,000
Gross Amount, Buildings and Fixtures		20,763,000
Total		24,797,000
Accumulated Depreciation		(3,791,000)
Net		$ 21,006,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Highwood
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		864,000
Initial Cost Buildings and Fixtures		7,783,000
Gross Amount, Land		864,000
Gross Amount, Buildings and Fixtures		11,413,000
Total		12,277,000
Accumulated Depreciation		(7,612,000)
Net		$ 4,665,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1983
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1998
Wholly Owned Properties - Residential | Cityscape at Market Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		16,894,000
Initial Cost Buildings and Fixtures		110,705,000
Gross Amount, Land		16,894,000
Gross Amount, Buildings and Fixtures		112,709,000
Total		129,603,000
Accumulated Depreciation		(11,590,000)
Net		$ 118,013,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2014
Wholly Owned Properties - Residential | Los Rios Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,273,000
Initial Cost Buildings and Fixtures		28,823,000
Gross Amount, Land		3,273,000
Gross Amount, Buildings and Fixtures		35,543,000
Total		38,816,000
Accumulated Depreciation		(18,242,000)
Net		$ 20,574,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2003
Wholly Owned Properties - Residential | Boulder Ridge
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,382,000
Initial Cost Buildings and Fixtures		26,930,000
Gross Amount, Land		3,382,000
Gross Amount, Buildings and Fixtures		33,294,000
Total		36,676,000
Accumulated Depreciation		(15,517,000)
Net		$ 21,159,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1999
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2005
Wholly Owned Properties - Residential | Copper Ridge
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,166,000
Initial Cost Buildings and Fixtures		0
Gross Amount, Land		4,166,000
Gross Amount, Buildings and Fixtures		21,778,000
Total		25,944,000
Accumulated Depreciation		(5,880,000)
Net		$ 20,064,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2009
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2008
Wholly Owned Properties - Residential | Colonial Grand at Ashton Oaks
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		5,511,000
Initial Cost Buildings and Fixtures		36,241,000
Gross Amount, Land		5,511,000
Gross Amount, Buildings and Fixtures		38,410,000
Total		43,921,000
Accumulated Depreciation		(8,934,000)
Net		$ 34,987,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2009
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Round Rock
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,691,000
Initial Cost Buildings and Fixtures		45,379,000
Gross Amount, Land		4,691,000
Gross Amount, Buildings and Fixtures		47,730,000
Total		52,421,000
Accumulated Depreciation		(10,832,000)
Net		$ 41,589,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1997
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Cobblestone Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		10,990,000
Initial Cost Buildings and Fixtures		48,696,000
Gross Amount, Land		10,990,000
Gross Amount, Buildings and Fixtures		51,085,000
Total		62,075,000
Accumulated Depreciation		(5,428,000)
Net		$ 56,647,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2012
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Colonial Village at Sierra Vista
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,561,000
Initial Cost Buildings and Fixtures		16,488,000
Gross Amount, Land		2,561,000
Gross Amount, Buildings and Fixtures		20,064,000
Total		22,625,000
Accumulated Depreciation		(5,118,000)
Net		$ 17,507,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1999
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Alamo Ranch
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,380,000
Initial Cost Buildings and Fixtures		26,982,000
Gross Amount, Land		2,380,000
Gross Amount, Buildings and Fixtures		29,659,000
Total		32,039,000
Accumulated Depreciation		(8,533,000)
Net		$ 23,506,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2009
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2011
Wholly Owned Properties - Residential | Haven at Blanco
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		5,450,000
Initial Cost Buildings and Fixtures		45,958,000
Gross Amount, Land		5,450,000
Gross Amount, Buildings and Fixtures		48,972,000
Total		54,422,000
Accumulated Depreciation		(11,161,000)
Net		$ 43,261,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2010
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2012
Wholly Owned Properties - Residential | Stone Ranch at Westover Hills
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 17,533,000
Initial Cost Land		4,000,000
Initial Cost Buildings and Fixtures		24,992,000
Gross Amount, Land		4,000,000
Gross Amount, Buildings and Fixtures		27,762,000
Total		31,762,000
Accumulated Depreciation		(8,907,000)
Net		$ 22,855,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2009
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2009
Wholly Owned Properties - Residential | Bulverde Oaks [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[2]	$ 0
Initial Cost Land		4,257,000
Initial Cost Buildings and Fixtures		36,759,000
Gross Amount, Land		4,257,000
Gross Amount, Buildings and Fixtures		38,055,000
Total		42,312,000
Accumulated Depreciation		(4,283,000)
Net		$ 38,029,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2014
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2014
Wholly Owned Properties - Residential | Cypresswood Court
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		576,000
Initial Cost Buildings and Fixtures		5,190,000
Gross Amount, Land		576,000
Gross Amount, Buildings and Fixtures		10,393,000
Total		10,969,000
Accumulated Depreciation		(6,175,000)
Net		$ 4,794,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1984
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1994
Wholly Owned Properties - Residential | Villages At Kirkwood [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,918,000
Initial Cost Buildings and Fixtures		15,846,000
Gross Amount, Land		1,918,000
Gross Amount, Buildings and Fixtures		18,958,000
Total		20,876,000
Accumulated Depreciation		(9,286,000)
Net		$ 11,590,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1996
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2004
Wholly Owned Properties - Residential | Green Tree Place
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		539,000
Initial Cost Buildings and Fixtures		4,850,000
Gross Amount, Land		539,000
Gross Amount, Buildings and Fixtures		8,611,000
Total		9,150,000
Accumulated Depreciation		(6,160,000)
Net		$ 2,990,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1984
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1994
Wholly Owned Properties - Residential | Retreat at West Creek [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		7,112,000
Initial Cost Buildings and Fixtures		36,136,000
Gross Amount, Land		7,112,000
Gross Amount, Buildings and Fixtures		37,730,000
Total		44,842,000
Accumulated Depreciation		(3,594,000)
Net		$ 41,248,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2015
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2015
Wholly Owned Properties - Residential | Adalay Bay
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		5,280,000
Initial Cost Buildings and Fixtures		31,341,000
Gross Amount, Land		5,280,000
Gross Amount, Buildings and Fixtures		34,517,000
Total		39,797,000
Accumulated Depreciation		(8,461,000)
Net		$ 31,336,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2002
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2012
Wholly Owned Properties - Residential | Colonial Village at Greenbrier
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,842,000
Initial Cost Buildings and Fixtures		21,677,000
Gross Amount, Land		4,842,000
Gross Amount, Buildings and Fixtures		23,291,000
Total		28,133,000
Accumulated Depreciation		(5,024,000)
Net		$ 23,109,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1980
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Radius [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		5,040,000
Initial Cost Buildings and Fixtures		36,481,000
Gross Amount, Land		5,040,000
Gross Amount, Buildings and Fixtures		38,874,000
Total		43,914,000
Accumulated Depreciation		(3,672,000)
Net		$ 40,242,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2012
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2015
Wholly Owned Properties - Residential | Seasons at Celebrate Virginia
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		14,490,000
Initial Cost Buildings and Fixtures		32,083,000
Gross Amount, Land		14,490,000
Gross Amount, Buildings and Fixtures		71,681,000
Total		86,171,000
Accumulated Depreciation		(13,240,000)
Net		$ 72,931,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2011
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2011
Wholly Owned Properties - Residential | Post Carlyle Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		29,728,000
Initial Cost Buildings and Fixtures		154,309,000
Gross Amount, Land		29,728,000
Gross Amount, Buildings and Fixtures		155,601,000
Total		185,329,000
Accumulated Depreciation		(12,256,000)
Net		$ 173,073,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Corners at Trinity Centre [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		7,664,000
Initial Cost Buildings and Fixtures		70,012,000
Gross Amount, Land		7,664,000
Gross Amount, Buildings and Fixtures		71,524,000
Total		79,188,000
Accumulated Depreciation		(5,641,000)
Net		$ 73,547,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1996
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Fallsgrove [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		17,524,000
Initial Cost Buildings and Fixtures		58,896,000
Gross Amount, Land		17,524,000
Gross Amount, Buildings and Fixtures		60,724,000
Total		78,248,000
Accumulated Depreciation		(4,975,000)
Net		$ 73,273,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2003
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		5,355,000
Initial Cost Buildings and Fixtures		79,842,000
Gross Amount, Land		5,355,000
Gross Amount, Buildings and Fixtures		80,778,000
Total		86,133,000
Accumulated Depreciation		(8,316,000)
Net		$ 77,817,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2010
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Pentagon Row [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		30,452,000
Initial Cost Buildings and Fixtures		125,091,000
Gross Amount, Land		30,452,000
Gross Amount, Buildings and Fixtures		128,883,000
Total		159,335,000
Accumulated Depreciation		(10,510,000)
Net		$ 148,825,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2001
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Tysons Corner [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		30,776,000
Initial Cost Buildings and Fixtures		82,021,000
Gross Amount, Land		30,776,000
Gross Amount, Buildings and Fixtures		83,710,000
Total		114,486,000
Accumulated Depreciation		(6,679,000)
Net		$ 107,807,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1990
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Stonefield Commons [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		11,044,000
Initial Cost Buildings and Fixtures		36,689,000
Gross Amount, Land		11,044,000
Gross Amount, Buildings and Fixtures		37,561,000
Total		48,605,000
Accumulated Depreciation		(4,500,000)
Net		$ 44,105,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2013
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2014
Wholly Owned Properties - Residential | Station Square at Cosner's Corner
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		12,825,000
Initial Cost Buildings and Fixtures		51,078,000
Gross Amount, Land		12,825,000
Gross Amount, Buildings and Fixtures		52,450,000
Total		65,275,000
Accumulated Depreciation		(6,508,000)
Net		$ 58,767,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Village at Hampton Glen
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,851,000
Initial Cost Buildings and Fixtures		21,678,000
Gross Amount, Land		4,851,000
Gross Amount, Buildings and Fixtures		24,368,000
Total		29,219,000
Accumulated Depreciation		(5,628,000)
Net		$ 23,591,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1986
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Village at West End
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,661,000
Initial Cost Buildings and Fixtures		18,908,000
Gross Amount, Land		4,661,000
Gross Amount, Buildings and Fixtures		21,671,000
Total		26,332,000
Accumulated Depreciation		(4,926,000)
Net		$ 21,406,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1987
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Township
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,509,000
Initial Cost Buildings and Fixtures		8,189,000
Gross Amount, Land		1,509,000
Gross Amount, Buildings and Fixtures		16,628,000
Total		18,137,000
Accumulated Depreciation		(10,777,000)
Net		$ 7,360,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1987
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 1995
Wholly Owned Properties - Residential | Colonial Village at Waterford
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		6,733,000
Initial Cost Buildings and Fixtures		29,221,000
Gross Amount, Land		6,733,000
Gross Amount, Buildings and Fixtures		33,124,000
Total		39,857,000
Accumulated Depreciation		(8,040,000)
Net		$ 31,817,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1989
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Ashley Park
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,761,000
Initial Cost Buildings and Fixtures		13,365,000
Gross Amount, Land		4,761,000
Gross Amount, Buildings and Fixtures		15,299,000
Total		20,060,000
Accumulated Depreciation		(4,160,000)
Net		$ 15,900,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1988
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Village at Chase Gayton
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		6,021,000
Initial Cost Buildings and Fixtures		29,004,000
Gross Amount, Land		6,021,000
Gross Amount, Buildings and Fixtures		32,344,000
Total		38,365,000
Accumulated Depreciation		(7,720,000)
Net		$ 30,645,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1984
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Hamptons at Hunton Park
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,930,000
Initial Cost Buildings and Fixtures		35,598,000
Gross Amount, Land		4,930,000
Gross Amount, Buildings and Fixtures		41,028,000
Total		45,958,000
Accumulated Depreciation		(10,730,000)
Net		$ 35,228,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2003
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2011
Wholly Owned Properties - Residential | Colonial Grand at Randal Lakes
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		5,659,000
Initial Cost Buildings and Fixtures		50,553,000
Gross Amount, Land		5,659,000
Gross Amount, Buildings and Fixtures		61,493,000
Total		67,152,000
Accumulated Depreciation		(7,653,000)
Net		$ 59,499,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2013
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Post Lake at Baldwin Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		18,101,000
Initial Cost Buildings and Fixtures		144,200,000
Gross Amount, Land		18,101,000
Gross Amount, Buildings and Fixtures		145,947,000
Total		164,048,000
Accumulated Depreciation		(12,134,000)
Net		$ 151,914,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2011
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Lakeside [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		7,046,000
Initial Cost Buildings and Fixtures		52,585,000
Gross Amount, Land		7,046,000
Gross Amount, Buildings and Fixtures		52,948,000
Total		59,994,000
Accumulated Depreciation		(4,058,000)
Net		$ 55,936,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2013
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Parkside [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		11,025,000
Initial Cost Buildings and Fixtures		34,277,000
Gross Amount, Land		11,025,000
Gross Amount, Buildings and Fixtures		35,276,000
Total		46,301,000
Accumulated Depreciation		(2,689,000)
Net		$ 43,612,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1999
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Peachtree Hills [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		11,974,000
Initial Cost Buildings and Fixtures		55,264,000
Gross Amount, Land		11,974,000
Gross Amount, Buildings and Fixtures		55,615,000
Total		67,589,000
Accumulated Depreciation		(4,356,000)
Net		$ 63,233,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Riverside [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		23,765,000
Initial Cost Buildings and Fixtures		89,369,000
Gross Amount, Land		23,765,000
Gross Amount, Buildings and Fixtures		93,477,000
Total		117,242,000
Accumulated Depreciation		(8,384,000)
Net		$ 108,858,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1996
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Spring [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		18,596,000
Initial Cost Buildings and Fixtures		57,819,000
Gross Amount, Land		18,596,000
Gross Amount, Buildings and Fixtures		60,231,000
Total		78,827,000
Accumulated Depreciation		(5,262,000)
Net		$ 73,565,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1999
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Post Stratford [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		0
Initial Cost Buildings and Fixtures		30,051,000
Gross Amount, Land		0
Gross Amount, Buildings and Fixtures		32,142,000
Total		32,142,000
Accumulated Depreciation		(2,793,000)
Net		$ 29,349,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1999
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Colonial Village at Chancellor Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[1]	$ 0
Initial Cost Land		5,311,000
Initial Cost Buildings and Fixtures		28,016,000
Gross Amount, Land		5,311,000
Gross Amount, Buildings and Fixtures		32,308,000
Total		37,619,000
Accumulated Depreciation		(7,298,000)
Net		$ 30,321,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1999
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | 220 Riverside
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,500,000
Initial Cost Buildings and Fixtures		38,416,000
Gross Amount, Land		2,500,000
Gross Amount, Buildings and Fixtures		42,263,000
Total		44,763,000
Accumulated Depreciation		(3,494,000)
Net		$ 41,269,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2015
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2012
Wholly Owned Properties - Residential | Colonial Grand at Mallard Lake [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,250,000
Initial Cost Buildings and Fixtures		31,389,000
Gross Amount, Land		3,250,000
Gross Amount, Buildings and Fixtures		35,392,000
Total		38,642,000
Accumulated Depreciation		(8,411,000)
Net		$ 30,231,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1998
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at University Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,620,000
Initial Cost Buildings and Fixtures		17,499,000
Gross Amount, Land		1,620,000
Gross Amount, Buildings and Fixtures		18,325,000
Total		19,945,000
Accumulated Depreciation		(4,019,000)
Net		$ 15,926,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2005
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Reserve at South End (Charlotte, NC) [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		4,628,000
Initial Cost Buildings and Fixtures		44,282,000
Gross Amount, Land		4,628,000
Gross Amount, Buildings and Fixtures		55,936,000
Total		60,564,000
Accumulated Depreciation		(6,741,000)
Net		$ 53,823,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2013
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Retreat at West Creek II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,000,000
Initial Cost Buildings and Fixtures		0
Gross Amount, Land		3,000,000
Gross Amount, Buildings and Fixtures		12,144,000
Total		15,144,000
Accumulated Depreciation		(555,000)
Net		$ 14,589,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2017
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2015
Wholly Owned Properties - Residential | Colonial Grand at Cypress Cove [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,610,000
Initial Cost Buildings and Fixtures		28,645,000
Gross Amount, Land		3,610,000
Gross Amount, Buildings and Fixtures		30,843,000
Total		34,453,000
Accumulated Depreciation		(7,287,000)
Net		$ 27,166,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2001
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Village at Hampton Pointe [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		3,971,000
Initial Cost Buildings and Fixtures		22,790,000
Gross Amount, Land		3,971,000
Gross Amount, Buildings and Fixtures		27,862,000
Total		31,833,000
Accumulated Depreciation		(6,473,000)
Net		$ 25,360,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1986
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Colonial Grand at Commerce Park (Charleston, SC) [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,780,000
Initial Cost Buildings and Fixtures		33,966,000
Gross Amount, Land		2,780,000
Gross Amount, Buildings and Fixtures		35,979,000
Total		38,759,000
Accumulated Depreciation		(8,116,000)
Net		$ 30,643,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2008
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Wholly Owned Properties - Residential | Sync 36 I [Member] [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		18,887,000
Initial Cost Buildings and Fixtures		81,317,000
Gross Amount, Land		19,021,000
Gross Amount, Buildings and Fixtures		85,714,000
Total		104,735,000
Accumulated Depreciation		(1,670,000)
Net		$ 103,065,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2017
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2018
Wholly Owned Properties - Residential | Post River North [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		14,500,000
Initial Cost Buildings and Fixtures		28,900,000
Gross Amount, Land		14,500,000
Gross Amount, Buildings and Fixtures		73,057,000
Total		87,557,000
Accumulated Depreciation		(2,527,000)
Net		$ 85,030,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2018
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | 1201 Midtown II [Member] [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		6,750,000
Initial Cost Buildings and Fixtures		5,874,000
Gross Amount, Land		6,750,000
Gross Amount, Buildings and Fixtures		21,479,000
Total		28,229,000
Accumulated Depreciation		(87,000)
Net		$ 28,142,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2018
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Wholly Owned Properties - Residential | Land
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		$ 5,279,000
Wholly Owned Properties - Residential | Land | Colonial Grand at Quarterdeck [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Village at Westchase [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | River's Walk [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | 1201 Midtown [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Fairways [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Paddock Club Columbia [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Village at Windsor Place [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Highland Ridge [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Howell Commons [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Paddock Club Greenville [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Park Haywood [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		35,000
Wholly Owned Properties - Residential | Land | Spring Creek [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		(14,000)
Wholly Owned Properties - Residential | Land | Innovation Apartment Homes [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Runaway Bay [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		12,000
Wholly Owned Properties - Residential | Land | Acklen West End [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Tanglewood [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Birchall at Ross Bridge
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Riverchase Trails
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Village at Trussville
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Eagle Ridge
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Traditions
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Edgewater [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Paddock Club Huntsville
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		830,000
Wholly Owned Properties - Residential | Land | Colonial Grand at Madison
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Cypress Village at Cypress Village
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Liberty Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at OldTown Scottsdale [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Calais Forest [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | SkySong [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Napa Valley [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Palisades At Chenal Valley [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Ridge at Chenal Valley
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Westside Creek I & II
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Edge at Lyon's Gate
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Residences at Fountainhead [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Sky View Ranch
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Talus Ranch
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Inverness Commons
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Scottsdale
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Tiffany Oaks
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Indigo Point
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Paddock Club Brandon
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Lakewood Ranch [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Preserve at Coral Square
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Paddock Club Gainesville
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | The Retreat at Magnolia Parke
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Heathrow
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Atlantic Crossing
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Cooper's Hawk
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Hunter's Ridge at Deerwood
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Lakeside
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Lighthouse at Fleming Island
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Paddock Club Mandarin
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | St Augustine
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Tattersall at Tapestry Park
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Woodhollow
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		(8,000)
Wholly Owned Properties - Residential | Land | Colonial Grand at Lake Mary
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Town Park
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Town Park Reserve
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Retreat at Lake Nona
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Heather Glen
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | The Club at Panama Beach
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		(5,000)
Wholly Owned Properties - Residential | Land | Colonial Village at Twin Lakes
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Paddock Club Tallahassee
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		950,000
Wholly Owned Properties - Residential | Land | Verandas at Southwood [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Belmere
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Links at Carrollwood
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		110,000
Wholly Owned Properties - Residential | Land | Post Bay at Rocky Point [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Harbour Place [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Hyde Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Rocky Point [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Soho Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Village Oaks
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		153,000
Wholly Owned Properties - Residential | Land | Colonial Grand at Hampton Preserve
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Seven Oaks
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Windermere
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Park Crest At Innisbrook
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Allure at Brookwood
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Allure in Buckhead Village Residential
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | The High Rise at Post Alexander [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Alexander [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Briarcliff [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Brookhaven [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Chastain [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Crossing [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Gardens [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Glen [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Sanctuary At Oglethorpe [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Centennial Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Prescott
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Berkeley Lake
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Lake Lanier Club [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at River Oaks
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at River Plantation
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at McDaniel Farm
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Pleasant Hill
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Mount Vernon
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Shiloh
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Milstead Village
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Barrett Creek
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Godley Station
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Village at Godley Lake
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Avala at Savannah Quarters
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Georgetown Grove
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Hammocks
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Haven at Prairie Trace [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Village at Greentree
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Grand Reserve at Pinnacle [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Village at Huntington
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Village at Marsh Cove
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Oaks at Wilmington Island
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		(46,000)
Wholly Owned Properties - Residential | Land | Highlands of West Village I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | The Denton III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Lakepointe [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | The Denton [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Mansion [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Village [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Stonemill Village [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Crosswinds [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Pear Orchard [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Reflection Pointe [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		138,000
Wholly Owned Properties - Residential | Land | Lakeshore Landing [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Market Station [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Desert Vista [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Palm Vista [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Village at Beaver Creek (Raleigh, NC) [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Hermitage at Beechtree
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Waterford Forest
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | 1225 South Church I
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Ayrsley [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Beverly Crest [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Legacy Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Mallard Creek [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Village at South Tryon
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Village at Timber Crest [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Enclave [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Ballantyne [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Gateway Place [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Park at Phillips Place [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Parkside at Wade [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Parkside Orlando [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post South End [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Uptown [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Cornelius [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Patterson Place [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Village at Deerfield [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Research Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Huntersville [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Village at Matthews [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Matthews Commons [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Arringdon [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Brier Creek (Raleigh, NC) [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Brier Falls (Raleigh, NC) [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Crabtree Valley [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Hue [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Trinity Commons [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Preserve At Brier Creek [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		(19,000)
Wholly Owned Properties - Residential | Land | Providence At Brier Creek [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Woodwinds [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | 535 Brookwood
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Park Place
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Charlotte at MIdtown [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Farmington Village [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Village at Waters Edge
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Hamilton Pointe
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Hidden Creek
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Steeplechase
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Windridge
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Kirby Station
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Lincoln on the Green
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Park Estate
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Reserve at Dexter Lake
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,147,000
Wholly Owned Properties - Residential | Land | Post West Austin [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Park Mesa [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Paddock Club Murfreesboro
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Aventura at Indian Lake Village
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Avondale at Kennesaw
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Brentwood Downs
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		(2,000)
Wholly Owned Properties - Residential | Land | Colonial Grand at Bellevue
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		(2,000)
Wholly Owned Properties - Residential | Land | Grand View Nashville
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Monthaven Park
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Park at Hermitage
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Venue at Cool Springs
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Verandas at Sam Ridley
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Balcones Woods
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Canyon Creek
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Canyon Pointe
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Abbey [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Addison Circle [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Cole's Corner [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Double Creek
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Onion Creek
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Eastside [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Gallery [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Heights [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Katy Trail [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Legacy [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Meridian [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Sierra at Frisco Bridges [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Uptown Village [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Vineyard [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Vintage [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Worthington [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Grand Reserve at Sunset Valley
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Village at Quarry Oaks
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Wells Branch
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		294,000
Wholly Owned Properties - Residential | Land | Legacy at Western Oaks
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post South Lamar [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Barton Creek [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Silverado
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Stassney Woods
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Travis Station
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Woods, The
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Village at Shoal Creek
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Village at Willow Creek
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Midtown Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post 510 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Hebron (Dallas, TX) [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Silverado [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Silverado Reserve [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Yale at 6th [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Grand Cypress [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Courtyards at Campbell
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Deer Run
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Grand Courtyard
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Legends at Lowe's Farm
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Reserve at Medical District
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Watermark
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Bear Creek
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Fairview
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | La Valencia At Starwood
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Reserve at Frisco Bridges
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Village at Grapevine
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Greenwood Forest
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Legacy Pines
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		(15,000)
Wholly Owned Properties - Residential | Land | Park Place (Houston)
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Ranchstone
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Retreat at Vintage Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Cascade at Fall Creek
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Bella Casita at Las Colinas
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Remington Hills
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Reserve at Las Colinas
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Valley Ranch
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Village at Oakbend
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Times Square at Craig Ranch
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Randal Lakes II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Parkside at Wade II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		587,000
Wholly Owned Properties - Residential | Land | Post Afton Oaks [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post South Lamar II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Millennium Midtown [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | The Denton II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Venue at Stonebridge Ranch [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Highwood
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Cityscape at Market Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Los Rios Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Boulder Ridge
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Copper Ridge
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Ashton Oaks
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Round Rock
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Cobblestone Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Village at Sierra Vista
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Alamo Ranch
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Haven at Blanco
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Stone Ranch at Westover Hills
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Bulverde Oaks [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Cypresswood Court
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Villages At Kirkwood [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Green Tree Place
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Retreat at West Creek [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Adalay Bay
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Village at Greenbrier
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Radius [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Seasons at Celebrate Virginia
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Carlyle Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Corners at Trinity Centre [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Fallsgrove [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Pentagon Row [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Tysons Corner [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Stonefield Commons [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Station Square at Cosner's Corner
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Village at Hampton Glen
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Village at West End
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Township
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Village at Waterford
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Ashley Park
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Village at Chase Gayton
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Hamptons at Hunton Park
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Randal Lakes
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Lake at Baldwin Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Lakeside [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Parkside [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Peachtree Hills [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Riverside [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Spring [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Post Stratford [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Village at Chancellor Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | 220 Riverside
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Mallard Lake [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at University Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Reserve at South End (Charlotte, NC) [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Retreat at West Creek II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Cypress Cove [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Village at Hampton Pointe [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Colonial Grand at Commerce Park (Charleston, SC) [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | Sync 36 I [Member] [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		134,000
Wholly Owned Properties - Residential | Land | Post River North [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Land | 1201 Midtown II [Member] [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Buildings and Fixtures
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,555,397,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Quarterdeck [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		5,846,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Village at Westchase [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,457,000
Wholly Owned Properties - Residential | Buildings and Fixtures | River's Walk [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,644,000
Wholly Owned Properties - Residential | Buildings and Fixtures | 1201 Midtown [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		614,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Fairways [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,435,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Paddock Club Columbia [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		5,143,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Village at Windsor Place [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,919,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Highland Ridge [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,790,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Howell Commons [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,900,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Paddock Club Greenville [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,427,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Park Haywood [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		4,640,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Spring Creek [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,043,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Innovation Apartment Homes [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,226,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Runaway Bay [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		6,620,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Acklen West End [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		450,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Tanglewood [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,120,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Birchall at Ross Bridge
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,619,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Riverchase Trails
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,875,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Village at Trussville
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,878,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Eagle Ridge
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		4,467,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Traditions
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,589,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Edgewater [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		4,374,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Paddock Club Huntsville
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		14,269,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Madison
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,653,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Cypress Village at Cypress Village
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,790,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Liberty Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		5,387,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at OldTown Scottsdale [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		4,843,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Calais Forest [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		7,894,000
Wholly Owned Properties - Residential | Buildings and Fixtures | SkySong [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,602,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Napa Valley [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		5,702,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Palisades At Chenal Valley [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,804,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Ridge at Chenal Valley
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		28,104,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Westside Creek I & II
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		8,605,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Edge at Lyon's Gate
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,930,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Residences at Fountainhead [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		921,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Sky View Ranch
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,336,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Talus Ranch
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,879,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Inverness Commons
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,755,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Scottsdale
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,192,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Tiffany Oaks
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		5,608,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Indigo Point
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,985,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Paddock Club Brandon
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		6,690,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Lakewood Ranch [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,618,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Preserve at Coral Square
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		11,089,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Paddock Club Gainesville
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		5,081,000
Wholly Owned Properties - Residential | Buildings and Fixtures | The Retreat at Magnolia Parke
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		876,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Heathrow
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,296,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Atlantic Crossing
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,759,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Cooper's Hawk
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,890,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Hunter's Ridge at Deerwood
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		5,957,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Lakeside
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		8,445,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Lighthouse at Fleming Island
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		5,515,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Paddock Club Mandarin
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,190,000
Wholly Owned Properties - Residential | Buildings and Fixtures | St Augustine
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		19,937,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Tattersall at Tapestry Park
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,336,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Woodhollow
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		9,049,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Lake Mary
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		23,290,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Town Park
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		4,208,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Town Park Reserve
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		415,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Retreat at Lake Nona
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		4,720,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Heather Glen
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		5,547,000
Wholly Owned Properties - Residential | Buildings and Fixtures | The Club at Panama Beach
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,996,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Village at Twin Lakes
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,329,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Paddock Club Tallahassee
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		14,783,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Verandas at Southwood [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,108,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Belmere
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		7,172,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Village Oaks
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,619,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Hampton Preserve
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,595,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Seven Oaks
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,611,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Windermere
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,197,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Park Crest At Innisbrook
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,858,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Allure at Brookwood
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		4,800,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Allure in Buckhead Village Residential
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		6,289,000
Wholly Owned Properties - Residential | Buildings and Fixtures | The High Rise at Post Alexander [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		152,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Alexander [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,628,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Briarcliff [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,783,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Brookhaven [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		5,284,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Chastain [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,638,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Crossing [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,738,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Gardens [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,385,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Glen [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,657,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Sanctuary At Oglethorpe [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		5,512,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Centennial Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		61,120,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Prescott
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		4,565,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Berkeley Lake
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,080,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Lake Lanier Club [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		8,419,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at River Oaks
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,952,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at River Plantation
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,051,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at McDaniel Farm
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,951,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Pleasant Hill
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		4,304,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Mount Vernon
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,342,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Shiloh
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		4,098,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Milstead Village
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,263,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Barrett Creek
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,932,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Godley Station
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,484,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Village at Godley Lake
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,249,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Avala at Savannah Quarters
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,046,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Georgetown Grove
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,693,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Hammocks
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		4,338,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Haven at Prairie Trace [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,228,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Village at Greentree
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,739,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Grand Reserve at Pinnacle [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		5,875,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Village at Huntington
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,276,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Village at Marsh Cove
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,373,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Oaks at Wilmington Island
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		4,733,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Highlands of West Village I [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		7,056,000
Wholly Owned Properties - Residential | Buildings and Fixtures | The Denton III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,372,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Lakepointe [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,707,000
Wholly Owned Properties - Residential | Buildings and Fixtures | The Denton [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		834,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Mansion [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,887,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Village [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		4,776,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Stonemill Village [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		9,830,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Crosswinds [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		5,735,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Pear Orchard [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		8,855,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Reflection Pointe [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		8,743,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Lakeshore Landing [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,647,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Market Station [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,309,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Desert Vista [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,534,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Palm Vista [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,829,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Village at Beaver Creek (Raleigh, NC) [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,160,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Hermitage at Beechtree
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		5,086,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Waterford Forest
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,893,000
Wholly Owned Properties - Residential | Buildings and Fixtures | 1225 South Church I
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		27,932,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Ayrsley [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		13,986,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Beverly Crest [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[1]	0
Initial Cost Land		3,161,000
Initial Cost Buildings and Fixtures		24,004,000
Cost Capitalized subsequent to Acquisition		2,928,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Legacy Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,267,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Mallard Creek [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,813,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Village at South Tryon
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,953,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Village at Timber Crest [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,416,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Enclave [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,114,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Ballantyne [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,063,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Gateway Place [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,901,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Park at Phillips Place [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,304,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Parkside at Wade [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		673,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Parkside Orlando [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,399,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post South End [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,488,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Uptown [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,487,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Cornelius [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,455,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Patterson Place [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,044,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Village at Deerfield [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,510,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Research Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,921,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Huntersville [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,609,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Village at Matthews [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		4,630,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Matthews Commons [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,147,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Arringdon [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,948,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Brier Creek (Raleigh, NC) [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,278,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Brier Falls (Raleigh, NC) [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,808,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Crabtree Valley [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,649,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Hue [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,539,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Trinity Commons [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,240,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Preserve At Brier Creek [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		25,470,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Providence At Brier Creek [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,897,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Woodwinds [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,930,000
Wholly Owned Properties - Residential | Buildings and Fixtures | 535 Brookwood
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,565,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Park Place
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,177,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Charlotte at MIdtown [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		485,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Farmington Village [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,465,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Village at Waters Edge
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,787,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Hamilton Pointe
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		4,952,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Hidden Creek
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		5,978,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Steeplechase
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,340,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Windridge
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		4,464,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Kirby Station
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		10,685,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Lincoln on the Green
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		16,640,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Park Estate
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		5,090,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Reserve at Dexter Lake
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		41,631,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post West Austin [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,168,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Park Mesa [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		674,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Paddock Club Murfreesboro
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,649,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Aventura at Indian Lake Village
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,676,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Avondale at Kennesaw
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,007,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Brentwood Downs
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		8,590,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Bellevue
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,367,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Grand View Nashville
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		8,552,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Monthaven Park
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		6,033,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Park at Hermitage
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		9,014,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Venue at Cool Springs
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		51,922,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Verandas at Sam Ridley
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,321,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Balcones Woods
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		9,133,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Canyon Creek
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,686,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Canyon Pointe
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,167,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Abbey [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		112,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Addison Circle [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		6,637,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Cole's Corner [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,541,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Double Creek
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		914,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Onion Creek
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,797,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Eastside [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		853,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Gallery [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		687,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Heights [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		823,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Katy Trail [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		621,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Legacy [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,264,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Meridian [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		208,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Sierra at Frisco Bridges [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		580,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,017,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Uptown Village [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,464,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Vineyard [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		628,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Vintage [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		708,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Worthington [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		917,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Grand Reserve at Sunset Valley
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,819,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Village at Quarry Oaks
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		5,880,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Wells Branch
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,624,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Legacy at Western Oaks
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		491,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post South Lamar [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		858,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Barton Creek [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		905,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Silverado
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		4,209,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Stassney Woods
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		8,655,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Travis Station
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		8,019,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Woods, The
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		9,816,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Village at Shoal Creek
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,635,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Village at Willow Creek
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		7,415,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Midtown Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,617,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post 510 [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		289,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Hebron (Dallas, TX) [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,277,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Silverado [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,369,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Silverado Reserve [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,954,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Yale at 6th [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,104,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Grand Cypress [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,316,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Courtyards at Campbell
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		4,033,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Deer Run
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		5,018,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Grand Courtyard
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,615,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Legends at Lowe's Farm
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,598,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Reserve at Medical District
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,027,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Watermark
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,047,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Bear Creek
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,874,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Fairview
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,041,000
Wholly Owned Properties - Residential | Buildings and Fixtures | La Valencia At Starwood
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,677,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Reserve at Frisco Bridges
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,445,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Village at Grapevine
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		5,669,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Greenwood Forest
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		523,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Legacy Pines
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		4,184,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Park Place (Houston)
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,285,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Ranchstone
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,771,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Retreat at Vintage Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		887,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Cascade at Fall Creek
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,806,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Bella Casita at Las Colinas
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,355,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Remington Hills
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		11,820,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Reserve at Las Colinas
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,624,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Valley Ranch
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		12,143,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Village at Oakbend
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		4,037,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Times Square at Craig Ranch
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		4,324,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Randal Lakes II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Parkside at Wade II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,646,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Afton Oaks [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,420,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post South Lamar II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		20,050,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Millennium Midtown [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		39,882,000
Wholly Owned Properties - Residential | Buildings and Fixtures | The Denton II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		24,258,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Venue at Stonebridge Ranch [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,235,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Highwood
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,630,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Cityscape at Market Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,004,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Los Rios Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		6,720,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Boulder Ridge
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		6,364,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Copper Ridge
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		21,641,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Ashton Oaks
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,169,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Round Rock
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,351,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Cobblestone Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,389,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Village at Sierra Vista
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,576,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Alamo Ranch
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,677,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Haven at Blanco
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,014,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Stone Ranch at Westover Hills
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,770,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Bulverde Oaks [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,296,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Cypresswood Court
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		5,203,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Villages At Kirkwood [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,112,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Green Tree Place
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,761,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Retreat at West Creek [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,594,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Adalay Bay
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,176,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Village at Greenbrier
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,614,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Radius [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,393,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Seasons at Celebrate Virginia
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		39,598,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Carlyle Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,292,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Corners at Trinity Centre [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,512,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Fallsgrove [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,828,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		936,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Pentagon Row [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,792,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Tysons Corner [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,689,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Stonefield Commons [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		872,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Station Square at Cosner's Corner
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,372,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Village at Hampton Glen
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,690,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Village at West End
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,763,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Township
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		8,439,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Village at Waterford
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,903,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Ashley Park
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,934,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Village at Chase Gayton
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,340,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Hamptons at Hunton Park
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		5,430,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Randal Lakes
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		10,940,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Lake at Baldwin Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,747,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Lakeside [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		363,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Parkside [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		999,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Peachtree Hills [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		351,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Riverside [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		4,108,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Spring [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,412,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post Stratford [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,091,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Village at Chancellor Park [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		4,292,000
Wholly Owned Properties - Residential | Buildings and Fixtures | 220 Riverside
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		3,847,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Mallard Lake [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		4,003,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at University Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		826,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Reserve at South End (Charlotte, NC) [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		11,654,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Retreat at West Creek II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		12,144,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Cypress Cove [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,198,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Village at Hampton Pointe [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		5,072,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Colonial Grand at Commerce Park (Charleston, SC) [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,013,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Sync 36 I [Member] [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		4,397,000
Wholly Owned Properties - Residential | Buildings and Fixtures | Post River North [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		44,157,000
Wholly Owned Properties - Residential | Buildings and Fixtures | 1201 Midtown II [Member] [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		15,605,000
Retail Properties
Real Estate and Accumulated Depreciation [Line Items]
Initial Cost Land		32,482,000
Initial Cost Buildings and Fixtures		167,957,000
Gross Amount, Land		33,399,000
Gross Amount, Buildings and Fixtures		185,862,000
Total		219,261,000
Accumulated Depreciation		(18,997,000)
Net		200,264,000
Retail Properties | Post Harbour Place [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		0
Initial Cost Land		386,000
Initial Cost Buildings and Fixtures		4,315,000
Gross Amount, Land		386,000
Gross Amount, Buildings and Fixtures		4,571,000
Total		4,957,000
Accumulated Depreciation		(398,000)
Net		$ 4,559,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1997
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Retail Properties | Post Rocky Point [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		34,000
Initial Cost Buildings and Fixtures		51,000
Gross Amount, Land		34,000
Gross Amount, Buildings and Fixtures		323,000
Total		357,000
Accumulated Depreciation		(50,000)
Net		$ 307,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Retail Properties | Post Training Facility [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,092,000
Initial Cost Buildings and Fixtures		968,000
Gross Amount, Land		1,092,000
Gross Amount, Buildings and Fixtures		968,000
Total		2,060,000
Accumulated Depreciation		(164,000)
Net		1,896,000
Retail Properties | Post Soho Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		0
Initial Cost Land		268,000
Initial Cost Buildings and Fixtures		4,033,000
Gross Amount, Land		268,000
Gross Amount, Buildings and Fixtures		4,039,000
Total		4,307,000
Accumulated Depreciation		(454,000)
Net		$ 3,853,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2012
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Retail Properties | Post Parkside Atlanta [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		426,000
Initial Cost Buildings and Fixtures		1,089,000
Gross Amount, Land		426,000
Gross Amount, Buildings and Fixtures		1,091,000
Total		1,517,000
Accumulated Depreciation		(99,000)
Net		$ 1,418,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1999
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Retail Properties | Post Uptown Place [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		319,000
Initial Cost Buildings and Fixtures		1,144,000
Gross Amount, Land		319,000
Gross Amount, Buildings and Fixtures		1,155,000
Total		1,474,000
Accumulated Depreciation		(117,000)
Net		$ 1,357,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1998
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Retail Properties | Post Park Maryland [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		25,000
Initial Cost Buildings and Fixtures		137,000
Gross Amount, Land		25,000
Gross Amount, Buildings and Fixtures		137,000
Total		162,000
Accumulated Depreciation		(10,000)
Net		$ 152,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2007
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Retail Properties | The Denton [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		700,000
Initial Cost Buildings and Fixtures		4,439,000
Gross Amount, Land		700,000
Gross Amount, Buildings and Fixtures		4,881,000
Total		5,581,000
Accumulated Depreciation		(415,000)
Net		$ 5,166,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2014
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2015
Retail Properties | Post Gateway Place [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		318,000
Initial Cost Buildings and Fixtures		1,430,000
Gross Amount, Land		318,000
Gross Amount, Buildings and Fixtures		1,448,000
Total		1,766,000
Accumulated Depreciation		(161,000)
Net		$ 1,605,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Retail Properties | Post Parkside at Wade [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		317,000
Initial Cost Buildings and Fixtures		4,552,000
Gross Amount, Land		317,000
Gross Amount, Buildings and Fixtures		4,624,000
Total		4,941,000
Accumulated Depreciation		(522,000)
Net		$ 4,419,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2011
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Retail Properties | Post Parkside Orlando [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		742,000
Initial Cost Buildings and Fixtures		11,924,000
Gross Amount, Land		742,000
Gross Amount, Buildings and Fixtures		12,907,000
Total		13,649,000
Accumulated Depreciation		(1,105,000)
Net		$ 12,544,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1999
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Retail Properties | Post South End [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		470,000
Initial Cost Buildings and Fixtures		1,289,000
Gross Amount, Land		470,000
Gross Amount, Buildings and Fixtures		1,410,000
Total		1,880,000
Accumulated Depreciation		(143,000)
Net		$ 1,737,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2009
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Retail Properties | Hue [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		0
Initial Cost Buildings and Fixtures		2,129,000
Gross Amount, Land		0
Gross Amount, Buildings and Fixtures		2,185,000
Total		2,185,000
Accumulated Depreciation		(30,000)
Net		$ 2,155,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2010
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2018
Retail Properties | Post Addison Circle [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		448,000
Initial Cost Buildings and Fixtures		21,386,000
Gross Amount, Land		448,000
Gross Amount, Buildings and Fixtures		22,581,000
Total		23,029,000
Accumulated Depreciation		(2,431,000)
Net		$ 20,598,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Retail Properties | Post Cole's Corner [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		347,000
Initial Cost Buildings and Fixtures		716,000
Gross Amount, Land		347,000
Gross Amount, Buildings and Fixtures		742,000
Total		1,089,000
Accumulated Depreciation		(79,000)
Net		$ 1,010,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1998
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Retail Properties | Post Eastside [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		682,000
Initial Cost Buildings and Fixtures		10,645,000
Gross Amount, Land		682,000
Gross Amount, Buildings and Fixtures		10,749,000
Total		11,431,000
Accumulated Depreciation		(966,000)
Net		$ 10,465,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2008
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Retail Properties | Post Heights [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,066,000
Initial Cost Buildings and Fixtures		3,314,000
Gross Amount, Land		1,066,000
Gross Amount, Buildings and Fixtures		3,389,000
Total		4,455,000
Accumulated Depreciation		(329,000)
Net		$ 4,126,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1997
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Retail Properties | Post Katy Trail [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		465,000
Initial Cost Buildings and Fixtures		4,883,000
Gross Amount, Land		465,000
Gross Amount, Buildings and Fixtures		4,910,000
Total		5,375,000
Accumulated Depreciation		(397,000)
Net		$ 4,978,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2010
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Retail Properties | Post Legacy [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		150,000
Initial Cost Buildings and Fixtures		3,334,000
Gross Amount, Land		150,000
Gross Amount, Buildings and Fixtures		3,536,000
Total		3,686,000
Accumulated Depreciation		(289,000)
Net		$ 3,397,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Retail Properties | Post Sierra at Frisco Bridges [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		779,000
Initial Cost Buildings and Fixtures		6,593,000
Gross Amount, Land		779,000
Gross Amount, Buildings and Fixtures		7,037,000
Total		7,816,000
Accumulated Depreciation		(659,000)
Net		$ 7,157,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2009
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Retail Properties | Post Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,581,000
Initial Cost Buildings and Fixtures		5,982,000
Gross Amount, Land		1,581,000
Gross Amount, Buildings and Fixtures		6,131,000
Total		7,712,000
Accumulated Depreciation		(562,000)
Net		$ 7,150,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1996
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Retail Properties | Post Worthington [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		108,000
Initial Cost Buildings and Fixtures		495,000
Gross Amount, Land		108,000
Gross Amount, Buildings and Fixtures		589,000
Total		697,000
Accumulated Depreciation		(39,000)
Net		$ 658,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Retail Properties | Post South Lamar [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		421,000
Initial Cost Buildings and Fixtures		3,072,000
Gross Amount, Land		421,000
Gross Amount, Buildings and Fixtures		3,281,000
Total		3,702,000
Accumulated Depreciation		(291,000)
Net		$ 3,411,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2011
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Retail Properties | Post Midtown Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,327,000
Initial Cost Buildings and Fixtures		16,005,000
Gross Amount, Land		1,327,000
Gross Amount, Buildings and Fixtures		16,094,000
Total		17,421,000
Accumulated Depreciation		(1,350,000)
Net		$ 16,071,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Retail Properties | Rise Condo Development [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		0
Initial Cost Buildings and Fixtures		2,280,000
Gross Amount, Land		0
Gross Amount, Buildings and Fixtures		2,281,000
Total		2,281,000
Accumulated Depreciation		(217,000)
Net		$ 2,064,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Retail Properties | Bella Casita at Las Colinas
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		46,000
Initial Cost Buildings and Fixtures		186,000
Gross Amount, Land		46,000
Gross Amount, Buildings and Fixtures		338,000
Total		384,000
Accumulated Depreciation		(88,000)
Net		$ 296,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2007
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2010
Retail Properties | Times Square at Craig Ranch
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		253,000
Initial Cost Buildings and Fixtures		1,310,000
Gross Amount, Land		253,000
Gross Amount, Buildings and Fixtures		3,707,000
Total		3,960,000
Accumulated Depreciation		(608,000)
Net		$ 3,352,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2009
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2010
Retail Properties | Post Carlyle Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,048,000
Initial Cost Buildings and Fixtures		7,930,000
Gross Amount, Land		1,048,000
Gross Amount, Buildings and Fixtures		7,969,000
Total		9,017,000
Accumulated Depreciation		(679,000)
Net		$ 8,338,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Retail Properties | Colonial Promenade Huntsville [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,000,000
Initial Cost Buildings and Fixtures		0
Gross Amount, Land		2,000,000
Gross Amount, Buildings and Fixtures		0
Total		2,000,000
Accumulated Depreciation		0
Net		$ 2,000,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2017
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2013
Retail Properties | Highlands of West Village [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		2,500,000
Initial Cost Buildings and Fixtures		8,446,000
Gross Amount, Land		3,408,000
Gross Amount, Buildings and Fixtures		9,654,000
Total		13,062,000
Accumulated Depreciation		(1,388,000)
Net		$ 11,674,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2012
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2014
Retail Properties | Allure at Buckhead
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		867,000
Initial Cost Buildings and Fixtures		3,465,000
Gross Amount, Land		867,000
Gross Amount, Buildings and Fixtures		3,728,000
Total		4,595,000
Accumulated Depreciation		(790,000)
Net		$ 3,805,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2012
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2012
Retail Properties | 1225 South Church
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		43,000
Initial Cost Buildings and Fixtures		199,000
Gross Amount, Land		52,000
Gross Amount, Buildings and Fixtures		441,000
Total		493,000
Accumulated Depreciation		(122,000)
Net		$ 371,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2010
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2010
Retail Properties | Post Riverside [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		889,000
Initial Cost Buildings and Fixtures		2,340,000
Gross Amount, Land		889,000
Gross Amount, Buildings and Fixtures		4,614,000
Total		5,503,000
Accumulated Depreciation		(306,000)
Net		$ 5,197,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1996
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Retail Properties | Land
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		$ 917,000
Retail Properties | Land | Post Harbour Place [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Land | Post Rocky Point [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Land | Post Training Facility [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Land | Post Soho Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Land | Post Parkside Atlanta [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Land | Post Uptown Place [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Land | Post Park Maryland [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Land | The Denton [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Land | Post Gateway Place [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Land | Post Parkside at Wade [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Land | Post Parkside Orlando [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Land | Post South End [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Land | Hue [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Land | Post Addison Circle [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Land | Post Cole's Corner [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Land | Post Eastside [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Land | Post Heights [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Land | Post Katy Trail [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Land | Post Legacy [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Land | Post Sierra at Frisco Bridges [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Land | Post Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Land | Post Worthington [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Land | Post South Lamar [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Land | Post Midtown Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Land | Rise Condo Development [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Land | Bella Casita at Las Colinas
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Land | Times Square at Craig Ranch
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Land | Post Carlyle Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Land | Colonial Promenade Huntsville [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Land | Highlands of West Village [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		908,000
Retail Properties | Land | Allure at Buckhead
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Land | 1225 South Church
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		9,000
Retail Properties | Land | Post Riverside [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Buildings and Fixtures
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		17,905,000
Retail Properties | Buildings and Fixtures | Post Harbour Place [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		256,000
Retail Properties | Buildings and Fixtures | Post Rocky Point [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		272,000
Retail Properties | Buildings and Fixtures | Post Training Facility [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Buildings and Fixtures | Post Soho Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		6,000
Retail Properties | Buildings and Fixtures | Post Parkside Atlanta [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,000
Retail Properties | Buildings and Fixtures | Post Uptown Place [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		11,000
Retail Properties | Buildings and Fixtures | Post Park Maryland [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Buildings and Fixtures | The Denton [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		442,000
Retail Properties | Buildings and Fixtures | Post Gateway Place [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		18,000
Retail Properties | Buildings and Fixtures | Post Parkside at Wade [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		72,000
Retail Properties | Buildings and Fixtures | Post Parkside Orlando [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		983,000
Retail Properties | Buildings and Fixtures | Post South End [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		121,000
Retail Properties | Buildings and Fixtures | Hue [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		56,000
Retail Properties | Buildings and Fixtures | Post Addison Circle [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,195,000
Retail Properties | Buildings and Fixtures | Post Cole's Corner [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		26,000
Retail Properties | Buildings and Fixtures | Post Eastside [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		104,000
Retail Properties | Buildings and Fixtures | Post Heights [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		75,000
Retail Properties | Buildings and Fixtures | Post Katy Trail [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		27,000
Retail Properties | Buildings and Fixtures | Post Legacy [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		202,000
Retail Properties | Buildings and Fixtures | Post Sierra at Frisco Bridges [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		444,000
Retail Properties | Buildings and Fixtures | Post Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		149,000
Retail Properties | Buildings and Fixtures | Post Worthington [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		94,000
Retail Properties | Buildings and Fixtures | Post South Lamar [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		209,000
Retail Properties | Buildings and Fixtures | Post Midtown Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		89,000
Retail Properties | Buildings and Fixtures | Rise Condo Development [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,000
Retail Properties | Buildings and Fixtures | Bella Casita at Las Colinas
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		152,000
Retail Properties | Buildings and Fixtures | Times Square at Craig Ranch
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,397,000
Retail Properties | Buildings and Fixtures | Post Carlyle Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		39,000
Retail Properties | Buildings and Fixtures | Colonial Promenade Huntsville [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Retail Properties | Buildings and Fixtures | Highlands of West Village [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,208,000
Retail Properties | Buildings and Fixtures | Allure at Buckhead
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		263,000
Retail Properties | Buildings and Fixtures | 1225 South Church
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		242,000
Retail Properties | Buildings and Fixtures | Post Riverside [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		2,274,000
Development Properties [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		0
Initial Cost Land		13,390,000
Initial Cost Buildings and Fixtures		0
Gross Amount, Land		13,390,000
Gross Amount, Buildings and Fixtures		20,019,000
Total		33,409,000
Accumulated Depreciation		0
Net		33,409,000
Development Properties [Member] | Post Parkside at Wade III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		0
Initial Cost Land		2,200,000
Initial Cost Buildings and Fixtures		0
Gross Amount, Land		2,200,000
Gross Amount, Buildings and Fixtures		6,134,000
Total		8,334,000
Accumulated Depreciation		0
Net		$ 8,334,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Development Properties [Member] | Post Sierra at Frisco Bridges II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		6,100,000
Initial Cost Buildings and Fixtures		0
Gross Amount, Land		6,100,000
Gross Amount, Buildings and Fixtures		7,290,000
Total		13,390,000
Accumulated Depreciation		0
Net		$ 13,390,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Development Properties [Member] | Sync 36 II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		5,090,000
Initial Cost Buildings and Fixtures		0
Gross Amount, Land		5,090,000
Gross Amount, Buildings and Fixtures		6,595,000
Total		11,685,000
Accumulated Depreciation		0
Net		$ 11,685,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2018
Development Properties [Member] | Land
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		$ 0
Development Properties [Member] | Land | Post Parkside at Wade III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Development Properties [Member] | Land | Post Sierra at Frisco Bridges II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Development Properties [Member] | Land | Sync 36 II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Development Properties [Member] | Buildings and Fixtures
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		20,019,000
Development Properties [Member] | Buildings and Fixtures | Post Parkside at Wade III [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		6,134,000
Development Properties [Member] | Buildings and Fixtures | Post Sierra at Frisco Bridges II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		7,290,000
Development Properties [Member] | Buildings and Fixtures | Sync 36 II [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		$ 6,595,000
Other Property [Member] | Post Training Facility [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1999
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Other Property [Member] | Post Uptown Place [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,290,000
Initial Cost Buildings and Fixtures		1,488,000
Gross Amount, Land		1,290,000
Gross Amount, Buildings and Fixtures		1,602,000
Total		2,892,000
Accumulated Depreciation		(118,000)
Net		$ 2,774,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1998
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Other Property [Member] | Post Addison Circle [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		1,395,000
Initial Cost Buildings and Fixtures		4,280,000
Gross Amount, Land		1,395,000
Gross Amount, Buildings and Fixtures		4,724,000
Total		6,119,000
Accumulated Depreciation		(641,000)
Net		$ 5,478,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Other Property [Member] | Post Riverside [Member]
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 0
Initial Cost Land		9,680,000
Initial Cost Buildings and Fixtures		22,108,000
Gross Amount, Land		9,680,000
Gross Amount, Buildings and Fixtures		28,026,000
Total		37,706,000
Accumulated Depreciation		(2,980,000)
Net		$ 34,726,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1996
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date Acquired		Dec. 31, 2016
Other Property [Member] | Land | Post Uptown Place [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		$ 0
Other Property [Member] | Land | Post Addison Circle [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Other Property [Member] | Land | Post Riverside [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Other Property [Member] | Buildings and Fixtures | Post Uptown Place [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		114,000
Other Property [Member] | Buildings and Fixtures | Post Addison Circle [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		444,000
Other Property [Member] | Buildings and Fixtures | Post Riverside [Member]
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		5,918,000
Total Properties
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		180,979,000
Initial Cost Land		1,862,632,000
Initial Cost Buildings and Fixtures		10,100,835,000
Gross Amount, Land		1,868,828,000
Gross Amount, Buildings and Fixtures		11,694,634,000
Total		13,563,462,000
Accumulated Depreciation		(2,531,535,000)
Net		11,031,927,000
Total Properties | Land
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		6,196,000
Total Properties | Buildings and Fixtures
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		1,593,321,000
Land Held for Future Developments
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		0
Initial Cost Land		58,257,000
Initial Cost Buildings and Fixtures		0
Gross Amount, Land		58,257,000
Gross Amount, Buildings and Fixtures		0
Total		58,257,000
Accumulated Depreciation		0
Net		58,257,000
Land Held for Future Developments | Land
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Land Held for Future Developments | Buildings and Fixtures
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Total Other
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances
Initial Cost Land		58,257,000
Initial Cost Buildings and Fixtures		0
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Land		0
Cost Capitalized subsequent to Acquisition		35,088,000
Gross Amount, Land		58,257,000
Gross Amount, Buildings and Fixtures		35,088,000
Total		93,345,000
Accumulated Depreciation		(17,752,000)
Net		75,593,000
Corporate Real Estate Owned
Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		0
Initial Cost Land		0
Initial Cost Buildings and Fixtures		0
Gross Amount, Land		0
Gross Amount, Buildings and Fixtures		35,088,000
Total		35,088,000
Accumulated Depreciation		(17,752,000)
Net		17,336,000
Corporate Real Estate Owned | Land
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		0
Corporate Real Estate Owned | Buildings and Fixtures
Real Estate and Accumulated Depreciation [Line Items]
Cost Capitalized subsequent to Acquisition		$ 35,088,000
Phase I | Wholly Owned Properties - Residential | River's Walk [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2013
Phase I | Wholly Owned Properties - Residential | Colonial Village at Trussville
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1996
Phase I | Wholly Owned Properties - Residential | Colonial Grand at OldTown Scottsdale [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1994
Phase I | Wholly Owned Properties - Residential | Westside Creek I & II
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1984
Phase I | Wholly Owned Properties - Residential | St Augustine
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1987
Phase I | Wholly Owned Properties - Residential | Post Rocky Point [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1994
Phase I | Wholly Owned Properties - Residential | Post Brookhaven [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1989
Phase I | Wholly Owned Properties - Residential | Lake Lanier Club [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1998
Phase I | Wholly Owned Properties - Residential | The Denton III [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2013
Phase I | Wholly Owned Properties - Residential | Colonial Grand at Trinity Commons [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2000
Phase I | Wholly Owned Properties - Residential | Colonial Grand at Bellevue
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1996
Phase I | Wholly Owned Properties - Residential | Post Addison Circle [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1998
Phase I | Wholly Owned Properties - Residential | Post Heights [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1998
Phase I | Wholly Owned Properties - Residential | Post Uptown Village [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1995
Phase I | Wholly Owned Properties - Residential | Post Worthington [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1993
Phase I | Wholly Owned Properties - Residential | Post Midtown Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1999
Phase I | Wholly Owned Properties - Residential | Colonial Village at Grapevine
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1985
Phase I | Wholly Owned Properties - Residential | Cityscape at Market Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2013
Phase I | Wholly Owned Properties - Residential | Post Carlyle Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2006
Phase I | Wholly Owned Properties - Residential | Station Square at Cosner's Corner
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2013
Phase I | Wholly Owned Properties - Residential | Highlands of West Village [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2006
Phase I | Wholly Owned Properties - Residential | Post Peachtree Hills [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1992
Phase I | Retail Properties | Post Rocky Point [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1994
Phase I | Retail Properties | Post Addison Circle [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1998
Phase I | Retail Properties | Post Worthington [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1993
Phase I | Retail Properties | Post Midtown Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1999
Phase I | Retail Properties | Rise Condo Development [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1999
Phase I | Retail Properties | Post Carlyle Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2006
Phase I | Other Property [Member] | Post Addison Circle [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1998
Phase II | Wholly Owned Properties - Residential | River's Walk [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2016
Phase II | Wholly Owned Properties - Residential | Colonial Village at Trussville
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1997
Phase II | Wholly Owned Properties - Residential | Colonial Grand at OldTown Scottsdale [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1995
Phase II | Wholly Owned Properties - Residential | Westside Creek I & II
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1986
Phase II | Wholly Owned Properties - Residential | St Augustine
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2008
Phase II | Wholly Owned Properties - Residential | Post Rocky Point [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1996
Phase II | Wholly Owned Properties - Residential | Post Brookhaven [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1992
Phase II | Wholly Owned Properties - Residential | Lake Lanier Club [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2001
Phase II | Wholly Owned Properties - Residential | The Denton III [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2014
Phase II | Wholly Owned Properties - Residential | Colonial Grand at Trinity Commons [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2002
Phase II | Wholly Owned Properties - Residential | Colonial Grand at Bellevue
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2015
Phase II | Wholly Owned Properties - Residential | Post Addison Circle [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2000
Phase II | Wholly Owned Properties - Residential | Post Heights [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1999
Phase II | Wholly Owned Properties - Residential | Post Uptown Village [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2000
Phase II | Wholly Owned Properties - Residential | Post Worthington [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2008
Phase II | Wholly Owned Properties - Residential | Post Midtown Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2013
Phase II | Wholly Owned Properties - Residential | Colonial Village at Grapevine
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1986
Phase II | Wholly Owned Properties - Residential | Cityscape at Market Center [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2015
Phase II | Wholly Owned Properties - Residential | Post Carlyle Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2013
Phase II | Wholly Owned Properties - Residential | Station Square at Cosner's Corner
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2016
Phase II | Wholly Owned Properties - Residential | Highlands of West Village [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2012
Phase II | Wholly Owned Properties - Residential | Post Peachtree Hills [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1994
Phase II | Retail Properties | Post Rocky Point [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 1996
Phase II | Retail Properties | Post Addison Circle [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2000
Phase II | Retail Properties | Post Worthington [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2008
Phase II | Retail Properties | Post Midtown Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2013
Phase II | Retail Properties | Rise Condo Development [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2013
Phase II | Retail Properties | Post Carlyle Square [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2016
Phase II | Other Property [Member] | Post Addison Circle [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2000
Phase III [Member] | Wholly Owned Properties - Residential | Post Heights [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2009
Phase III [Member] | Wholly Owned Properties - Residential | Post Peachtree Hills [Member]
Real Estate and Accumulated Depreciation [Line Items]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Date of Construction		Dec. 31, 2009

[1] Encumbered by a $172.1 million secured property mortgage, with a fixed interest rate of 4.44%, which matures on January 10, 2049.

[2] Encumbered by a $123.2 million loan with a fixed interest rate of 5.08%, which matures on June 10, 2021.