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

Quarterly report [Sections 13 or 15(d)]

Real Estate and Intangible Assets - Schedule of Acquired Properties (Details)

Real Estate and Intangible Assets - Schedule of Acquired Properties (Details) $ in Thousands							6 Months Ended
	Jun. 25, 2026 USD ($)	May 20, 2026 USD ($) ft² property	Jun. 25, 2025 USD ($) ft² property	May 09, 2025 USD ($) ft² property	Mar. 28, 2025 USD ($) ft² property	Feb. 19, 2025 USD ($) ft² property	Jun. 30, 2026 USD ($) ft² property	Jun. 30, 2025 USD ($) ft² property
Business Combination [Line Items]
Number of properties acquired \| property							1	10
Aggregate Square Footage (unaudited) \| ft²							153,890	874,871
Weighted Average Remaining Lease Term at Time of Acquisition							5 years 10 months 24 days	14 years 3 months 18 days
Aggregate Purchase Price	$ 700						$ 23,004	$ 153,067
Aggregate Capitalized Acquisition Expenses							$ 254	$ 867
Newport News, VA
Business Combination [Line Items]
Number of properties acquired \| property		1
Aggregate Square Footage (unaudited) \| ft²		153,890
Weighted Average Remaining Lease Term at Time of Acquisition		5 years 10 months 24 days
Aggregate Purchase Price		$ 23,004
Aggregate Capitalized Acquisition Expenses		$ 254
Houston, TX
Business Combination [Line Items]
Number of properties acquired \| property						5
Aggregate Square Footage (unaudited) \| ft²						215,474
Weighted Average Remaining Lease Term at Time of Acquisition						10 years
Aggregate Purchase Price						$ 29,457
Aggregate Capitalized Acquisition Expenses						$ 207
Dallas, TX
Business Combination [Line Items]
Number of properties acquired \| property					1
Aggregate Square Footage (unaudited) \| ft²					140,304
Weighted Average Remaining Lease Term at Time of Acquisition					11 years 3 months 18 days
Aggregate Purchase Price					$ 44,268
Aggregate Capitalized Acquisition Expenses					$ 268
Germantown, WI
Business Combination [Line Items]
Number of properties acquired \| property				1
Aggregate Square Footage (unaudited) \| ft²				303,991
Weighted Average Remaining Lease Term at Time of Acquisition				19 years 4 months 24 days
Aggregate Purchase Price				$ 62,851
Aggregate Capitalized Acquisition Expenses				$ 151
Harrison Township, MI
Business Combination [Line Items]
Number of properties acquired \| property			3
Aggregate Square Footage (unaudited) \| ft²			215,102
Weighted Average Remaining Lease Term at Time of Acquisition			10 years
Aggregate Purchase Price			$ 16,491
Aggregate Capitalized Acquisition Expenses			$ 241