Acquisition of Real Estate (Details 2) $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($)
ARIUM Grandewood [Member]
Business Acquisition [Line Items]
Date	Nov. 06, 2017
Amount	$ 3,054
ARIUM Grandewood [Member] | Previous Interest [Member]
Business Acquisition [Line Items]
Indirect Ownership Interest Percentage Of Investment	95.00%
ARIUM Grandewood [Member] | New Interest [Member]
Business Acquisition [Line Items]
Indirect Ownership Interest Percentage Of Investment	100.00%
Park And Kingston [Member]
Business Acquisition [Line Items]
Date	Dec. 29, 2017	[1]
Amount	$ 483	[1]
Park And Kingston [Member] | Previous Interest [Member]
Business Acquisition [Line Items]
Indirect Ownership Interest Percentage Of Investment	96.00%	[1]
Park And Kingston [Member] | New Interest [Member]
Business Acquisition [Line Items]
Indirect Ownership Interest Percentage Of Investment	100.00%	[1]
Enders Place at Baldwin Park [Member]
Business Acquisition [Line Items]
Date	Dec. 29, 2017	[1]
Amount	$ 499	[1]
Enders Place at Baldwin Park [Member] | Previous Interest [Member]
Business Acquisition [Line Items]
Indirect Ownership Interest Percentage Of Investment	89.50%	[1]
Enders Place at Baldwin Park [Member] | New Interest [Member]
Business Acquisition [Line Items]
Indirect Ownership Interest Percentage Of Investment	92.00%	[1]
Preston View and Wesley Village [Member]
Business Acquisition [Line Items]
Date	Dec. 29, 2017	[2]
Amount	$ 3,391	[2]
Preston View and Wesley Village [Member] | Previous Interest [Member]
Business Acquisition [Line Items]
Indirect Ownership Interest Percentage Of Investment	91.80%	[2]
Preston View and Wesley Village [Member] | New Interest [Member]
Business Acquisition [Line Items]
Indirect Ownership Interest Percentage Of Investment	100.00%	[2]
ARIUM at Palmer Ranch [Member]
Business Acquisition [Line Items]
Date	Apr. 26, 2018
Amount	$ 4,174
ARIUM at Palmer Ranch [Member] | Previous Interest [Member]
Business Acquisition [Line Items]
Indirect Ownership Interest Percentage Of Investment	95.00%
ARIUM at Palmer Ranch [Member] | New Interest [Member]
Business Acquisition [Line Items]
Indirect Ownership Interest Percentage Of Investment	100.00%
ARIUM Gulfshore [Member]
Business Acquisition [Line Items]
Date	Apr. 26, 2018
Amount	$ 4,838
ARIUM Gulfshore [Member] | Previous Interest [Member]
Business Acquisition [Line Items]
Indirect Ownership Interest Percentage Of Investment	95.00%
ARIUM Gulfshore [Member] | New Interest [Member]
Business Acquisition [Line Items]
Indirect Ownership Interest Percentage Of Investment	100.00%
ARIUM Palms [Member]
Business Acquisition [Line Items]
Date	Aug. 29, 2018
Amount	$ 3,023
ARIUM Palms [Member] | Previous Interest [Member]
Business Acquisition [Line Items]
Indirect Ownership Interest Percentage Of Investment	95.00%
ARIUM Palms [Member] | New Interest [Member]
Business Acquisition [Line Items]
Indirect Ownership Interest Percentage Of Investment	100.00%

[1] The additional interests were purchased from Bluerock Special Opportunity + Income Fund III, LLC (“Fund III”) based on a broker’s opinion of value.

[2] The additional interests were purchased from Bluerock Special Opportunity + Income Fund I, LLC (“Fund I”) based on an 8% return on equity from the original purchase dates in February 2017 and March 2017.