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Schedule III (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross $ 3,707,138,000 $ 4,143,291,000 $ 4,394,529,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (578,496,000) (509,547,000) (421,551,000)
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Federal Income Tax Basis $ 4,000,000,000.0    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Write-down or Reserve, Basis 6.9    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross $ 4,143,291,000 4,394,529,000 3,672,715,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Acquisition Through Foreclosure 330,104,000 310,329,000 679,423,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Improvements 29,742,000 50,616,000 42,887,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Write-down or Reserve, Amount (3,491,000) (1,208,000) (261,000)
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Other Deduction (792,658,000) (612,622,000) (549,000)
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 3,707,138,000 4,143,291,000 4,394,529,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (509,547,000) (421,551,000) (272,042,000)
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Depreciation Expense (139,546,000) (163,463,000) (149,884,000)
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Other Deduction 3,491,000 1,208,000 261,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation, Investment in Real Estate Sold 67,524,000 74,656,000 114,000
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (578,496,000) $ (509,547,000) $ (421,551,000)
Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 1,625,745,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 230,963,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 1,992,453,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 54,555,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 230,601,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 2,047,370,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 2,277,971,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (369,306,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 2,277,971,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (369,306,000)    
Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 592,401,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 280,467,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 783,972,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 38,383,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 279,999,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 822,823,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 1,102,822,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (153,821,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 1,102,822,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (153,821,000)    
Summit Crossing [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 36,174,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 3,450,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 27,705,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 3,194,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 3,450,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 30,899,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 34,349,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (11,820,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 34,349,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (11,820,000)    
Cypress [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 28,366,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 3,242,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 30,093,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 1,380,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 3,242,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 31,473,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 34,715,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (9,740,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 34,715,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (9,740,000)    
Northpointe [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 33,546,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 3,921,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 37,203,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 1,370,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 3,921,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 38,573,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 42,494,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (11,736,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 42,494,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (11,736,000)    
Lakewood Ranch [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 36,555,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 3,791,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 42,950,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 1,344,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 3,791,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 44,294,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 48,085,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (11,766,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 48,085,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (11,766,000)    
Lely [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 50,400,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 7,675,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 43,794,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 1,904,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 7,675,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 45,698,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 53,373,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (12,588,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 53,373,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (12,588,000)    
citypark view II [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 22,970,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 5,816,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 27,528,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 747,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 5,816,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 28,275,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 34,091,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (5,322,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 34,091,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (5,322,000)    
Citi Lakes [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 49,926,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 5,558,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 56,828,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 1,665,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 5,558,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 58,493,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 64,051,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (15,257,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 64,051,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (15,257,000)    
Stone Creek [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 19,090,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 2,211,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 22,916,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 521,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 2,211,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 23,437,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 25,648,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (5,733,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 25,648,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (5,733,000)    
Regent at Lenox [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 0    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 301,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 3,493,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 81,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 301,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 3,574,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 3,875,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (817,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 3,875,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (817,000)    
Retreat at Lenox [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 16,370,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 2,965,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 24,211,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 562,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 2,860,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 24,878,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 27,738,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (6,396,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 27,738,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (6,396,000)    
Lenox Village [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 37,492,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 4,612,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 39,911,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 2,133,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 4,355,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 42,301,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 46,656,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (9,710,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 46,656,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (9,710,000)    
Crosstown Walk [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 46,500,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 5,178,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 39,332,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 1,838,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 5,178,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 41,170,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 46,348,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (9,626,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 46,348,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (9,626,000)    
overton rise [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 36,749,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 8,511,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 50,996,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 1,588,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 8,511,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 52,584,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 61,095,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (11,092,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 61,095,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (11,092,000)    
Avalon Park [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 61,933,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 7,410,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 82,349,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 4,543,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 7,410,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 86,892,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 94,302,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (19,061,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 94,302,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (19,061,000)    
City Vista [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 32,170,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 4,082,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 41,486,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 827,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 4,082,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 42,313,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 46,395,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (10,156,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 46,395,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (10,156,000)    
Sorrel [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 47,551,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 4,412,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 42,217,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 1,512,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 4,412,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 43,729,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 48,141,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (10,450,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 48,141,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (10,450,000)    
Citrus Village [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 40,900,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 4,809,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 40,481,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 2,071,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 4,809,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 42,552,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 47,361,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (8,968,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 47,361,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (8,968,000)    
retreat at greystone [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 40,057,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 4,077,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 44,462,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 1,479,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 4,077,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 45,941,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 50,018,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (12,179,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 50,018,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (12,179,000)    
founders village [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 29,038,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 5,315,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 38,761,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 1,281,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 5,315,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 40,042,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 45,357,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (8,534,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 45,357,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (8,534,000)    
Claiborne Crossing [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 25,045,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 2,147,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 37,579,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 1,639,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 2,147,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 39,218,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 41,365,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (10,538,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 41,365,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (10,538,000)    
Luxe at Lakewood Ranch [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 36,147,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 4,852,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 51,033,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 1,037,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 4,852,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 52,070,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 56,922,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (10,628,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 56,922,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (10,628,000)    
adara [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 29,397,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 2,854,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 42,030,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 819,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 2,854,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 42,849,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 45,703,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (12,566,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 45,703,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (12,566,000)    
reserve at Summit Crossing [Member] [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 18,487,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 4,375,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 25,939,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 504,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 4,375,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 26,443,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 30,818,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (6,278,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 30,818,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (6,278,000)    
Aldridge at Town Village [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 38,846,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 7,122,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 45,418,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 681,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 7,122,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 46,099,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 53,221,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (12,510,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 53,221,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (12,510,000)    
Overlook at Crosstown Walk [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 20,607,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 3,309,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 28,014,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 456,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 3,309,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 28,470,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 31,779,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (6,445,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 31,779,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (6,445,000)    
Colony at centerpointe [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 30,744,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 7,259,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 38,199,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 1,388,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 7,259,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 39,587,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 46,846,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (9,372,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 46,846,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (9,372,000)    
Lux at Sorrel [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 29,239,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 5,332,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 42,531,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 1,082,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 5,332,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 43,613,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 48,945,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (9,426,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 48,945,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (9,426,000)    
Green Park [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 37,014,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 7,478,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 49,211,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 614,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 7,478,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 49,825,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 57,303,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (12,102,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 57,303,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (12,102,000)    
hidden river [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 39,469,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 5,600,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 52,930,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 641,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 5,600,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 53,571,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 59,171,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (8,777,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 59,171,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (8,777,000)    
Vestavia Reserve [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 35,860,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 4,140,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 54,206,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 1,294,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 4,140,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 55,500,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 59,640,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (9,246,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 59,640,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (9,246,000)    
Artisan at Viera [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 38,355,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 4,839,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 58,791,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 599,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 4,839,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 59,390,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 64,229,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (7,074,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 64,229,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (7,074,000)    
Five Oaks At Westchase [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 30,167,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 4,425,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 48,113,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 463,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 4,425,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 48,576,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 53,001,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (5,222,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 53,001,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (5,222,000)    
Horizon At Wiregrass | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 50,237,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 6,842,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 72,708,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 419,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 6,842,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 73,127,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 79,969,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (6,620,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 79,969,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (6,620,000)    
Parkside At The Beach [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 45,037,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 6,103,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 53,689,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 627,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 6,103,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 54,316,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 60,419,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (5,035,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 60,419,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (5,035,000)    
The Blake [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 44,435,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 7,459,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 53,223,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 278,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 7,459,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 53,501,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 60,960,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (3,149,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 60,960,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (3,149,000)    
The Menlo [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 47,000,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 7,670,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 64,983,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 220,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 7,670,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 65,203,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 72,873,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (3,431,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 72,873,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (3,431,000)    
woodstock retail [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 5,300,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 1,751,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 3,800,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 659,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 1,751,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 4,459,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 6,210,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (1,573,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 6,210,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (1,573,000)    
Spring Hill Plaza [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 7,751,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 4,376,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 8,104,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 745,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 4,376,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 8,849,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 13,225,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,773,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 13,225,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,773,000)    
Parkway Town Centre [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 7,657,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 3,054,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 6,694,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 620,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 3,054,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 7,314,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 10,368,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,028,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 10,368,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,028,000)    
Barclay Crossing [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 5,933,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 2,856,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 7,572,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 331,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 2,856,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 7,903,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 10,759,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,170,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 10,759,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,170,000)    
Deltona Landing [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 5,986,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 2,256,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 8,344,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 559,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 2,256,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 8,903,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 11,159,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,474,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 11,159,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,474,000)    
Kingwood Glen [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 0    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 5,021,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 12,930,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 1,379,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 4,762,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 14,568,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 19,330,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (3,879,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 19,330,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (3,879,000)    
Parkway Centre [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 4,312,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 2,071,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 4,516,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 568,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 2,071,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 5,084,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 7,155,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (1,447,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 7,155,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (1,447,000)    
Powder Springs [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 7,540,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 1,832,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 8,246,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 678,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 1,832,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 8,924,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 10,756,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,570,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 10,756,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,570,000)    
Sweetgrass Corner [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 0    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 3,076,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 12,670,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 303,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 3,076,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 12,973,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 16,049,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (3,571,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 16,049,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (3,571,000)    
salem cove [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 8,696,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 2,427,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 10,272,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 252,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 2,427,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 10,524,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 12,951,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,439,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 12,951,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,439,000)    
Independence Square [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 10,902,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 4,115,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 13,690,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 2,065,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 4,115,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 15,755,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 19,870,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (4,383,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 19,870,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (4,383,000)    
Royal Lakes [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 9,108,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 4,874,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 10,439,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 289,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 4,665,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 10,937,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 15,602,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,846,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 15,602,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,846,000)    
Summit Point [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 10,728,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 7,064,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 11,430,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 538,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 7,064,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 11,968,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 19,032,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (3,203,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 19,032,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (3,203,000)    
Overlook at Hamilton Place [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 18,648,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 6,787,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 25,244,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 1,766,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 6,787,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 27,010,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 33,797,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (6,322,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 33,797,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (6,322,000)    
wade green [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 7,315,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 1,840,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 8,410,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 745,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 1,840,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 9,155,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 10,995,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,366,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 10,995,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,366,000)    
anderson central [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 10,940,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 5,059,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 13,278,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 591,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 5,059,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 13,869,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 18,928,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (4,066,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 18,928,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (4,066,000)    
East Gate retail [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 4,952,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 1,653,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 7,391,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 132,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 1,653,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 7,523,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 9,176,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (1,758,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 9,176,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (1,758,000)    
fairview [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 7,100,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 1,353,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 5,179,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 1,553,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 1,353,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 6,732,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 8,085,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (1,507,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 8,085,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (1,507,000)    
Furys ferry retail [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 5,720,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 2,084,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 8,107,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 355,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 2,084,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 8,462,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 10,546,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (1,825,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 10,546,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (1,825,000)    
Rosewood retail [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 3,842,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 1,671,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 5,347,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 163,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 1,671,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 5,510,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 7,181,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (1,058,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 7,181,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (1,058,000)    
Southgate retail [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 6,830,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 2,262,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 10,290,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 541,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 2,262,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 10,831,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 13,093,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,279,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 13,093,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,279,000)    
victory village [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 8,582,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 2,271,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 12,275,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 236,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 2,271,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 12,511,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 14,782,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,574,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 14,782,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,574,000)    
lakeland plaza [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 25,771,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 7,079,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 33,087,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 823,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 7,079,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 33,910,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 40,989,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (7,534,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 40,989,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (7,534,000)    
Cherokee Plaza [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 23,660,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 8,392,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 32,249,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 570,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 8,392,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 32,819,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 41,211,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (5,380,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 41,211,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (5,380,000)    
Heritage Station [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 8,036,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 1,684,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 9,883,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 1,633,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 1,684,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 11,516,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 13,200,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,531,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 13,200,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,531,000)    
Oak Park Village [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 8,292,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 5,745,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 10,779,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 143,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 5,745,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 10,922,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 16,667,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,125,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 16,667,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,125,000)    
Sandy Plains Exchange [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 8,121,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 4,788,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 9,309,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 500,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 4,788,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 9,809,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 14,597,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,209,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 14,597,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,209,000)    
Shoppes of Parkland [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 15,111,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 10,779,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 16,543,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 631,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 10,779,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 17,174,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 27,953,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (4,432,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 27,953,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (4,432,000)    
Thompson Bridge Commons [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 10,857,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 1,478,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 16,047,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 48,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 1,478,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 16,095,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 17,573,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,734,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 17,573,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,734,000)    
University Palms [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 11,626,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 4,854,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 16,706,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 920,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 4,854,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 17,626,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 22,480,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (3,360,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 22,480,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (3,360,000)    
Champions Village [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 0    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 12,813,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 33,399,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 4,424,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 12,813,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 37,823,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 50,636,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (8,763,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 50,636,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (8,763,000)    
Castleberry-Southard [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 10,500,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 3,024,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 14,142,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 232,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 3,024,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 14,374,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 17,398,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,449,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 17,398,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,449,000)    
Rockbridge Village [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 13,011,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 3,141,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 15,944,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 615,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 3,141,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 16,559,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 19,700,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,306,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 19,700,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,306,000)    
Irmo Station [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 9,467,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 3,602,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 11,859,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 1,377,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 3,602,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 13,236,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 16,838,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,401,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 16,838,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,401,000)    
Maynard Crossing [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 16,439,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 6,304,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 22,566,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 906,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 6,304,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 23,472,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 29,776,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (4,717,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 29,776,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (4,717,000)    
Woodmont Village [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 7,862,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 2,713,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 10,030,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 375,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 2,713,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 10,405,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 13,118,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,050,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 13,118,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,050,000)    
West Town Market [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 8,008,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 1,937,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 12,298,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 48,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 1,937,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 12,346,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 14,283,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (1,886,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 14,283,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (1,886,000)    
crossroads market [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 17,111,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 7,044,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 22,627,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 540,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 7,044,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 23,167,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 30,211,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,914,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 30,211,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,914,000)    
Roswell Wieuca Shopping Center [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 0    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 12,006,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 18,485,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 258,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 12,006,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 18,743,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 30,749,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,375,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 30,749,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,375,000)    
Greensboro Village [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 7,820,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 3,134,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 10,771,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 426,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 3,134,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 11,197,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 14,331,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (1,973,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 14,331,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (1,973,000)    
Governors Towne Square [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 10,404,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 2,766,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 13,027,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 171,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 2,766,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 13,198,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 15,964,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (1,778,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 15,964,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (1,778,000)    
conway plaza [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 9,193,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 4,202,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 9,782,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 1,642,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 4,202,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 11,424,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 15,626,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,124,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 15,626,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,124,000)    
Brawley Commons [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 17,056,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 8,786,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 18,716,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 338,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 8,786,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 19,054,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 27,840,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (3,224,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 27,840,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (3,224,000)    
Hollymead Town Center [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 25,491,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 7,503,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 33,009,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 517,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 7,503,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 33,526,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 41,029,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (3,419,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 41,029,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (3,419,000)    
Gayton Crossing [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 16,855,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 9,109,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 17,791,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 2,888,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 9,109,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 20,679,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 29,788,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,513,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 29,788,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,513,000)    
Free State Shopping Center [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 44,673,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 21,443,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 44,831,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 186,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 21,443,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 45,017,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 66,460,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (5,217,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 66,460,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (5,217,000)    
Polo Grounds Mall [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 12,735,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 9,057,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 10,907,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 393,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 9,057,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 11,300,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 20,357,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (1,669,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 20,357,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (1,669,000)    
disston plaza [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 17,238,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 5,579,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 22,048,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 82,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 5,579,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 22,130,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 27,709,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,322,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 27,709,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,322,000)    
Fairfield Shopping Center [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 19,750,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 12,728,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 14,526,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 1,288,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 12,728,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 15,814,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 28,542,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,890,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 28,542,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (2,890,000)    
Berry Town Center [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 11,554,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 3,062,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 13,628,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 275,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 3,062,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 13,903,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 16,965,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (1,452,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 16,965,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (1,452,000)    
Hanover Center [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 30,402,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 16,634,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 40,393,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 953,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 16,634,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 41,346,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 57,980,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (4,403,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 57,980,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (4,403,000)    
Wakefield Crossing [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 7,525,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 1,997,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 9,252,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 10,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 1,997,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 9,262,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 11,259,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (910,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 11,259,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (910,000)    
Midway Market [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 9,991,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 7,331,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 5,110,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 103,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 7,331,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 5,213,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 12,544,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (650,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 12,544,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (650,000)    
Three ravinia [Member] | Office Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 115,500,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 9,785,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 154,023,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 66,498,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 11,083,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 219,223,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 230,306,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (43,225,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 230,306,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (43,225,000)    
westridge [Member] | Office Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 49,006,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 15,778,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 58,496,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 5,637,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 15,778,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 64,133,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 79,911,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (11,261,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 79,911,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (11,261,000)    
4th And Brevard [Member] | Office Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 0    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 13,917,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 101,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 0    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 13,917,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 101,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 14,018,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation $ (78,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 7 years    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross $ 14,018,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (78,000)    
Village At Baldwin Park [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 68,535,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 17,403,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 90,464,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 9,156,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 17,403,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 99,620,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 117,023,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (21,501,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 117,023,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (21,501,000)    
Summit Crossing II [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 20,700,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 3,220,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 15,852,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 553,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 3,220,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 16,405,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 19,625,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (4,996,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 19,625,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (4,996,000)    
ellison | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 48,000,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 6,943,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 59,354,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 24,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 6,943,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 59,378,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 66,321,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (1,373,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 66,321,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (1,373,000)    
Solis Chestnut Farm [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 51,800,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 4,335,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 67,504,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 219,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 4,335,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 67,723,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 72,058,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (882,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 72,058,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (882,000)    
CityPark View | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 29,000,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 3,559,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 28,360,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 1,394,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 3,559,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 29,754,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 33,313,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (8,303,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 33,313,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (8,303,000)    
The Anson [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 56,440,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 4,521,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 69,580,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 265,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 4,521,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 69,845,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 74,366,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (892,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 74,366,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (892,000)    
alleia | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 35,700,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 4,333,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 44,645,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 86,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 4,333,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 44,731,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 49,064,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (1,099,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 49,064,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (1,099,000)    
kingson | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances 53,697,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land 7,507,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Building and Improvements 61,381,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Cost Capitalized Subsequent to Acquisition, Cost 57,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Land, Amount 7,507,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Building and Improvements, Amount 61,438,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 68,945,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation (890,000)    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Gross 68,945,000    
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation [Roll Forward]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation $ (890,000)    
Minimum [Member] | Summit Crossing [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Summit II [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Vineyards Apartments [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Cypress [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Northpointe [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Lakewood Ranch [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Lely [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | citypark view II [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Citi Lakes [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Stone Creek [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Regent at Lenox [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Retreat at Lenox [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Lenox Village [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | baldwin park [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Crosstown Walk [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | overton rise [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Avalon Park [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | City Vista [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Sorrel [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Citrus Village [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | retreat at greystone [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | founders village [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Claiborne Crossing [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Luxe at Lakewood Ranch [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | adara [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | reserve at Summit Crossing [Member] [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Aldridge at Town Village [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Overlook at Crosstown Walk [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Colony at centerpointe [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Lux at Sorrel [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Green Park [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | hidden river [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Vestavia Reserve [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | City Park II [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Artisan at Viera [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Five Oaks At Westchase [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Horizon At Wiregrass | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Parkside At The Beach [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | The Blake [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | The Menlo [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | woodstock retail [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Spring Hill Plaza [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Parkway Town Centre [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Barclay Crossing [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Deltona Landing [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Kingwood Glen [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Parkway Centre [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Powder Springs [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Sweetgrass Corner [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | salem cove [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Independence Square [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Royal Lakes [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Summit Point [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Overlook at Hamilton Place [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | wade green [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | anderson central [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | East Gate retail [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | fairview [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Furys ferry retail [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Rosewood retail [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Southgate retail [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | victory village [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | lakeland plaza [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Cherokee Plaza [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Heritage Station [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Oak Park Village [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Sandy Plains Exchange [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Shoppes of Parkland [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Thompson Bridge Commons [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | University Palms [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Champions Village [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Castleberry-Southard [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Rockbridge Village [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Irmo Station [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Maynard Crossing [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Woodmont Village [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | West Town Market [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | crossroads market [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Roswell Wieuca Shopping Center [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Greensboro Village [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Governors Towne Square [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | conway plaza [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Brawley Commons [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Hollymead Town Center [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Gayton Crossing [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Free State Shopping Center [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Polo Grounds Mall [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | disston plaza [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Fairfield Shopping Center [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Berry Town Center [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Hanover Center [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Wakefield Crossing [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Midway Market [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | brookwood office [Member] | Office Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Galleria 75 [Member] | Office Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | Three ravinia [Member] | Office Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 7 years    
Minimum [Member] | westridge [Member] | Office Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 13 years    
Minimum [Member] | Armour Yards [Member] | Office Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 9 years    
Minimum [Member] | 150 Fayetteville [Member] | Office Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 8 years    
Minimum [Member] | Capitol Towers [Member] | Office Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 7 years    
Minimum [Member] | CAPTRUST Tower [Member] | Office Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Minimum [Member] | 251 Armour Drive [Member] | Office Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 12 years    
Minimum [Member] | Morrocroft Centre [Member] | Office Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 5 years    
Maximum [Member] | Summit Crossing [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 40 years    
Maximum [Member] | Summit II [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 40 years    
Maximum [Member] | Vineyards Apartments [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 35 years    
Maximum [Member] | Cypress [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 40 years    
Maximum [Member] | Northpointe [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 40 years    
Maximum [Member] | Lakewood Ranch [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 40 years    
Maximum [Member] | Lely [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 40 years    
Maximum [Member] | citypark view II [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 40 years    
Maximum [Member] | Citi Lakes [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 40 years    
Maximum [Member] | Stone Creek [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 40 years    
Maximum [Member] | Regent at Lenox [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 40 years    
Maximum [Member] | Retreat at Lenox [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 40 years    
Maximum [Member] | Lenox Village [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 40 years    
Maximum [Member] | baldwin park [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 37 years    
Maximum [Member] | Crosstown Walk [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 49 years    
Maximum [Member] | overton rise [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 49 years    
Maximum [Member] | Avalon Park [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 45 years    
Maximum [Member] | City Vista [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 49 years    
Maximum [Member] | Sorrel [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 48 years    
Maximum [Member] | Citrus Village [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 44 years    
Maximum [Member] | retreat at greystone [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 49 years    
Maximum [Member] | founders village [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 47 years    
Maximum [Member] | Claiborne Crossing [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 47 years    
Maximum [Member] | Luxe at Lakewood Ranch [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 48 years    
Maximum [Member] | adara [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 49 years    
Maximum [Member] | reserve at Summit Crossing [Member] [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 48 years    
Maximum [Member] | Aldridge at Town Village [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 49 years    
Maximum [Member] | Overlook at Crosstown Walk [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 48 years    
Maximum [Member] | Colony at centerpointe [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 48 years    
Maximum [Member] | Lux at Sorrel [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 49 years    
Maximum [Member] | Green Park [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 48 years    
Maximum [Member] | hidden river [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 48 years    
Maximum [Member] | Vestavia Reserve [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 48 years    
Maximum [Member] | City Park II [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 49 years    
Maximum [Member] | Artisan at Viera [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 50 years    
Maximum [Member] | Five Oaks At Westchase [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 50 years    
Maximum [Member] | Horizon At Wiregrass | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 47 years    
Maximum [Member] | Parkside At The Beach [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 50 years    
Maximum [Member] | The Blake [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 50 years    
Maximum [Member] | The Menlo [Member] | Apartment Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 50 years    
Maximum [Member] | woodstock retail [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 30 years    
Maximum [Member] | Spring Hill Plaza [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 40 years    
Maximum [Member] | Parkway Town Centre [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 40 years    
Maximum [Member] | Barclay Crossing [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 30 years    
Maximum [Member] | Deltona Landing [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 30 years    
Maximum [Member] | Kingwood Glen [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 30 years    
Maximum [Member] | Parkway Centre [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 30 years    
Maximum [Member] | Powder Springs [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 30 years    
Maximum [Member] | Sweetgrass Corner [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 30 years    
Maximum [Member] | salem cove [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 40 years    
Maximum [Member] | Independence Square [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 30 years    
Maximum [Member] | Royal Lakes [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 30 years    
Maximum [Member] | Summit Point [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 30 years    
Maximum [Member] | Overlook at Hamilton Place [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 30 years    
Maximum [Member] | wade green [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 35 years    
Maximum [Member] | anderson central [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 30 years    
Maximum [Member] | East Gate retail [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 30 years    
Maximum [Member] | fairview [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 30 years    
Maximum [Member] | Furys ferry retail [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 35 years    
Maximum [Member] | Rosewood retail [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 40 years    
Maximum [Member] | Southgate retail [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 35 years    
Maximum [Member] | victory village [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 40 years    
Maximum [Member] | lakeland plaza [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 35 years    
Maximum [Member] | Cherokee Plaza [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 35 years    
Maximum [Member] | Heritage Station [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 40 years    
Maximum [Member] | Oak Park Village [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 40 years    
Maximum [Member] | Sandy Plains Exchange [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 32 years    
Maximum [Member] | Shoppes of Parkland [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 35 years    
Maximum [Member] | Thompson Bridge Commons [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 40 years    
Maximum [Member] | University Palms [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 37 years    
Maximum [Member] | Champions Village [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 40 years    
Maximum [Member] | Castleberry-Southard [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 39 years    
Maximum [Member] | Rockbridge Village [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 40 years    
Maximum [Member] | Irmo Station [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 33 years    
Maximum [Member] | Maynard Crossing [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 30 years    
Maximum [Member] | Woodmont Village [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 30 years    
Maximum [Member] | West Town Market [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 37 years    
Maximum [Member] | crossroads market [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 40 years    
Maximum [Member] | Roswell Wieuca Shopping Center [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 40 years    
Maximum [Member] | Greensboro Village [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 40 years    
Maximum [Member] | Governors Towne Square [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 40 years    
Maximum [Member] | conway plaza [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 30 years    
Maximum [Member] | Brawley Commons [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 40 years    
Maximum [Member] | Hollymead Town Center [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 40 years    
Maximum [Member] | Gayton Crossing [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 30 years    
Maximum [Member] | Free State Shopping Center [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 35 years    
Maximum [Member] | Polo Grounds Mall [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 30 years    
Maximum [Member] | disston plaza [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 35 years    
Maximum [Member] | Fairfield Shopping Center [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 30 years    
Maximum [Member] | Berry Town Center [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 30 years    
Maximum [Member] | Hanover Center [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 30 years    
Maximum [Member] | Wakefield Crossing [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 30 years    
Maximum [Member] | Midway Market [Member] | Retail Site [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 30 years    
Maximum [Member] | brookwood office [Member] | Office Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 50 years    
Maximum [Member] | Galleria 75 [Member] | Office Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 25 years    
Maximum [Member] | Three ravinia [Member] | Office Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 39 years    
Maximum [Member] | westridge [Member] | Office Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 50 years    
Maximum [Member] | Armour Yards [Member] | Office Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 50 years    
Maximum [Member] | 150 Fayetteville [Member] | Office Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 50 years    
Maximum [Member] | Capitol Towers [Member] | Office Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 50 years    
Maximum [Member] | CAPTRUST Tower [Member] | Office Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 50 years    
Maximum [Member] | 251 Armour Drive [Member] | Office Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 45 years    
Maximum [Member] | Morrocroft Centre [Member] | Office Building [Member]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]      
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Life Used for Depreciation 50 years