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

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

Real Estate and Intangible Assets - Summary of Acquired Properties (Details) $ in Thousands							6 Months Ended
	May 12, 2022 USD ($) ft² tenant property	May 04, 2022 USD ($) ft² tenant property	Mar. 11, 2022 USD ($) ft² tenant	Jun. 17, 2021 USD ($) ft² tenant	Feb. 24, 2021 USD ($) tenant	Jan. 22, 2021 USD ($) ft² tenant	Jun. 30, 2022 USD ($) ft² property	Jun. 30, 2021 USD ($) ft² property	Feb. 24, 2022 ft²
Business Acquisition [Line Items]
Number of properties acquired \| property							7	2
Aggregate Purchase Price							$ 51,919	$ 19,341
Wilkesboro, North Carolina
Business Acquisition [Line Items]
Aggregate Square Footage \| ft²									80,000
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			56,000
Weighted Average Lease Term			7 years
Aggregate Purchase Price			$ 6,000
Number of tenants \| tenant			1
Cleveland, Ohio And Fort Payne, Alabama
Business Acquisition [Line Items]
Number of properties acquired \| property		2
Aggregate Square Footage \| ft²		260,719
Weighted Average Lease Term		11 years 4 months 24 days
Aggregate Purchase Price		$ 19,500
Number of tenants \| tenant		1
Wilmington, North Carolina
Business Acquisition [Line Items]
Number of properties acquired \| property	3
Aggregate Square Footage \| ft²	345,584
Weighted Average Lease Term	13 years 1 month 6 days
Aggregate Purchase Price	$ 18,900
Number of tenants \| tenant	1
Findlay, Ohio
Business Acquisition [Line Items]
Aggregate Square Footage \| ft²						180,152
Weighted Average Lease Term						14 years 2 months 12 days
Aggregate Purchase Price						$ 11,100
Number of tenants \| tenant						1
Baytown, Texas
Business Acquisition [Line Items]
Aggregate Square Footage \| ft²				25,200
Weighted Average Lease Term				12 years 7 months 6 days
Aggregate Purchase Price				$ 8,200
Number of tenants \| tenant				1
Series of property acquisitions
Business Acquisition [Line Items]
Aggregate Square Footage \| ft²							742,303	205,352
Weighted Average Lease Term							11 years 8 months 12 days	13 years 6 months
Aggregate Purchase Price							$ 51,919	$ 19,341
Aggregate Capitalized Acquisition Costs							$ 519	$ 216