Gladstone Commercial Corporation Annual report [Section 13 and 15(d), not S-K Item 405]

Annual report [Section 13 and 15(d), not S-K Item 405]

Mortgage Notes Payable, Credit Facility, and Senior Unsecured Notes - Narrative (Details)

Mortgage Notes Payable, Credit Facility, and Senior Unsecured Notes - Narrative (Details) - USD ($)	Dec. 31, 2025	Oct. 10, 2025	Oct. 09, 2025	Sep. 18, 2025	Sep. 17, 2025	Sep. 27, 2022	Aug. 18, 2022	Aug. 17, 2022	Feb. 11, 2021	Jul. 02, 2019	Jul. 01, 2019	Oct. 27, 2017	Oct. 26, 2017
Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 200,000,000	$ 200,000,000	$ 155,000,000	$ 155,000,000	$ 125,000,000	$ 125,000,000	$ 120,000,000	$ 100,000,000		$ 100,000,000.0	$ 85,000,000.0
Variable rate term loan facility A
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	125,000,000	125,000,000	160,000,000							$ 160,000,000.0	$ 75,000,000.0	$ 75,000,000.0	$ 25,000,000.0
Variable rate term loan facility B
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	143,300,000	143,300,000	60,000,000				60,000,000		$ 65,000,000
Variable rate term loan facility C
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 131,700,000	$ 131,700,000	$ 150,000,000			$ 150,000,000	$ 140,000,000

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details