Real Estate Acquisitions and Dispositions - Schedule of Real Estate Asset Acquisitions and Dispositions (Details) - Land [Member]	9 Months Ended
	Sep. 30, 2020 a
Georgetown [Member] | Austin, TX [Member]
Business Acquisitions and Dispositions [Line Items]
Area of Land	22
Acquisition Date	2020-01
Colonial Promenade [Member] | Huntsville, AL
Business Acquisitions and Dispositions [Line Items]
Area of Land	27
Disposal Date	2020-09