Gladstone Commercial Corporation Quarterly report pursuant to Section 13 or 15(d)

Real Estate and Intangible Assets - Summary of Acquired Properties (Details) ft² in Thousands, $ in Thousands			3 Months Ended
	Mar. 11, 2022 USD ($) ft² tenant	Feb. 24, 2022 USD ($) ft² tenant	Mar. 31, 2023 property	Mar. 31, 2022 USD ($) ft² property
Business Acquisition [Line Items]
Number of properties acquired \| property			0	2
Aggregate Purchase Price				$ 13,463
Wilkesboro, North Carolina
Business Acquisition [Line Items]
Aggregate Square Footage \| ft²		80
Weighted Average Lease Term		12 years 8 months 12 days
Aggregate Purchase Price		$ 7,500
Number of tenants \| tenant		1
Oklahoma City, Oklahoma
Business Acquisition [Line Items]
Aggregate Square Footage \| ft²	56
Weighted Average Lease Term	7 years
Aggregate Purchase Price	$ 6,000
Number of tenants \| tenant	1
Series of Property Acquisitions
Business Acquisition [Line Items]
Aggregate Square Footage \| ft²				136
Weighted Average Lease Term				10 years 2 months 12 days
Aggregate Purchase Price				$ 13,463
Aggregate Capitalized Acquisition Costs				$ 163