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

Mortgage Notes Payable and Credit Facility - Mortgages Notes Payable (Detail)

v3.7.0.1

Mortgage Notes Payable and Credit Facility - Mortgages Notes Payable (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Debt Instrument [Line Items]
Aggregate debt repaid	$ 40,573	$ 51,977
Weighted average interest rate on debt repaid (as percent)	4.65%
Fixed rate mortgage loans
Debt Instrument [Line Items]
Aggregate debt repaid	$ 27,188
Weighted average interest rate on debt repaid (as percent)	6.05%
Variable rate mortgage loans
Debt Instrument [Line Items]
Aggregate debt repaid	$ 8,163
Variable rate mortgage loans \| LIBOR
Debt Instrument [Line Items]
Basis spread (as percent)	2.15%
Variable rate mortgage loans \| LIBOR \| Weighted average
Debt Instrument [Line Items]
Basis spread (as percent)	2.50%
Aggregate Fixed Rate
Debt Instrument [Line Items]
Aggregate Fixed Rate Debt Issued or Assumed	$ 11,179
Weighted average interest rate on debt repaid (as percent)	3.55%
Aggregate Variable Rate
Debt Instrument [Line Items]
Aggregate Variable Rate Debt Issued or Assumed	$ 6,700
Aggregate Variable Rate \| LIBOR \| Weighted average
Debt Instrument [Line Items]
Basis spread (as percent)	2.75%

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

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- 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.

+ References

No definition available.

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- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

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- Definition

The amount of debt that an Entity assumes in acquiring a business or in consideration for an asset received in a noncash (or part noncash) acquisition. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4313-108586

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586

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Period Type:	duration

- Definition

The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585

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