Gladstone Commercial Corporation Quarterly report [Sections 13 or 15(d)]

Real Estate and Intangible Assets - Schedule of Acquired Properties (Details) $ in Thousands			3 Months Ended
	Mar. 28, 2025 USD ($) ft²	Feb. 19, 2025 USD ($) ft² tenant property	Mar. 31, 2025 USD ($) ft² property	Mar. 31, 2024 property
Business Acquisition [Line Items]
Number of properties acquired \| property		5	6	0
Aggregate Purchase Price			$ 73,725
Houston, Texas
Business Acquisition [Line Items]
Area of property \| ft²		215,474
Weighted Average Remaining Lease Term at Time of Acquisition		10 years
Aggregate Purchase Price		$ 29,500
Number of tenants \| tenant		1
Dallas Fort Worth, Texas
Business Acquisition [Line Items]
Area of property \| ft²	140,304
Weighted Average Remaining Lease Term at Time of Acquisition		11 years 3 months 18 days
Aggregate Purchase Price	$ 44,300
Number of tenants \| tenant		1
Series of Property Acquisitions
Business Acquisition [Line Items]
Area of property \| ft²			355,778
Weighted Average Remaining Lease Term at Time of Acquisition			10 years 9 months 18 days
Aggregate Purchase Price			$ 73,725
Aggregate Capitalized Acquisition Expenses			$ 475