Investment in Unconsolidated Entities (Details) - USD ($)				12 Months Ended
	Mar. 01, 2019	Feb. 28, 2019	Oct. 01, 2018	Dec. 31, 2019	Dec. 31, 2018
Schedule of Equity Method Investments [Line Items]
Equity in loss of unconsolidated entity				$ 0	$ (396,979)
Affiliated Entity | Dividend Distributions | Hartman SPE, LLC
Schedule of Equity Method Investments [Line Items]
Amounts of transaction				0
Affiliated Entity | Dividend Distributions | Hartman Short Term Income Properties XX Inc
Schedule of Equity Method Investments [Line Items]
Amounts of transaction				$ (408,507)
Hartman Three Forest Plaza LLC
Schedule of Equity Method Investments [Line Items]
Ownership percentage			48.80%
Equity in loss of unconsolidated entity					$ 396,979
Hartman SPE, LLC | Common Stock
Schedule of Equity Method Investments [Line Items]
Number of shares received in exchange for ownership interest (in shares)	700,302
Hartman SPE, LLC | Variable Interest Entity, Not Primary Beneficiary
Schedule of Equity Method Investments [Line Items]
Ownership percentage	2.47%	5.89%	5.89%
Ownership percentage disposed of	3.42%