Organization and Nature of Business (Details Textual)	12 Months Ended
	Dec. 31, 2018
Organization and Nature of Business [Line Items]
Percent of Real Estate Properties Occupied	94.00%
Number of Units in Real Estate Property	14,717
Annual Distribution Percentage Rate	90.00%
Operating Units [Member]
Organization and Nature of Business [Line Items]
Number of Units in Real Estate Property	11,286
Under Development [Member]
Organization and Nature of Business [Line Items]
Number of Units in Real Estate Property	3,431