Consolidated Investments (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Real Estate Property [Line Items]
Total Gross Real Estate Investments	$ 556,820	$ 284,464
Less: accumulated depreciation	23,437	10,992
Total	533,383	$ 288,411
ARIUM Grandewood [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	42,875
ARIUM Palms [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	36,633
Ashton Reserve [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	66,374
Enders Place at Baldwin Park [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	29,215
Fox Hill [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	37,479
Lansbrook Village [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	61,353
MDA Apartments [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	61,811
Park & Kingston [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	30,263
Sorrel [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	54,164
Sovereign [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	43,410
Springhouse at Newport News [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	35,731
Village Green of Ann Arbor [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	57,512
Land [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	65,057
Less: accumulated depreciation	0
Total	65,057
Land [Member] | ARIUM Grandewood [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	5,200
Land [Member] | ARIUM Palms [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	4,030
Land [Member] | Ashton Reserve [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	5,900
Land [Member] | Enders Place at Baldwin Park [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	5,453
Land [Member] | Fox Hill [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	4,180
Land [Member] | Lansbrook Village [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	7,224
Land [Member] | MDA Apartments [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	9,500
Land [Member] | Park & Kingston [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	3,360
Land [Member] | Sorrel [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	6,710
Land [Member] | Sovereign [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	2,800
Land [Member] | Springhouse at Newport News [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	6,500
Land [Member] | Village Green of Ann Arbor [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	4,200
Building and Building Improvements [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	474,608
Less: accumulated depreciation	20,046
Total	454,562
Building and Building Improvements [Member] | ARIUM Grandewood [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	36,915
Building and Building Improvements [Member] | ARIUM Palms [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	31,545
Building and Building Improvements [Member] | Ashton Reserve [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	58,636
Building and Building Improvements [Member] | Enders Place at Baldwin Park [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	22,281
Building and Building Improvements [Member] | Fox Hill [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	32,389
Building and Building Improvements [Member] | Lansbrook Village [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	52,331
Building and Building Improvements [Member] | MDA Apartments [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	51,558
Building and Building Improvements [Member] | Park & Kingston [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	26,438
Building and Building Improvements [Member] | Sorrel [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	44,607
Building and Building Improvements [Member] | Sovereign [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	38,480
Building and Building Improvements [Member] | Springhouse at Newport News [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	27,860
Building and Building Improvements [Member] | Village Green of Ann Arbor [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	51,568
Furniture, Fixtures and Equipment [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	17,155
Less: accumulated depreciation	3,391
Total	13,764
Furniture, Fixtures and Equipment [Member] | ARIUM Grandewood [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	760
Furniture, Fixtures and Equipment [Member] | ARIUM Palms [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	1,058
Furniture, Fixtures and Equipment [Member] | Ashton Reserve [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	1,838
Furniture, Fixtures and Equipment [Member] | Enders Place at Baldwin Park [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	1,481
Furniture, Fixtures and Equipment [Member] | Fox Hill [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	910
Furniture, Fixtures and Equipment [Member] | Lansbrook Village [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	1,798
Furniture, Fixtures and Equipment [Member] | MDA Apartments [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	753
Furniture, Fixtures and Equipment [Member] | Park & Kingston [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	465
Furniture, Fixtures and Equipment [Member] | Sorrel [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	2,847
Furniture, Fixtures and Equipment [Member] | Sovereign [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	2,130
Furniture, Fixtures and Equipment [Member] | Springhouse at Newport News [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	1,371
Furniture, Fixtures and Equipment [Member] | Village Green of Ann Arbor [Member]
Real Estate Property [Line Items]
Total Gross Real Estate Investments	$ 1,744