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Mortgage Notes Payable and Line of Credit - Summary of Interest Rate Cap Agreement (Detail) (Mortgage Notes Payable [Member], USD $)
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12 Months Ended | |
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Dec. 31, 2014
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Dec. 31, 2013
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Mortgage Notes Payable [Member]
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| Debt Instrument [Line Items] | ||
| Date of Issuance | Nov. 26, 2013 | |
| Notional Amount |
$ 8,200,000invest_DerivativeNotionalAmount / us-gaap_DerivativeByNatureAxis = good_MortgageNotesPayableMember |
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| LIBOR Cap |
3.00%us-gaap_DerivativeCapInterestRate / us-gaap_DerivativeByNatureAxis = good_MortgageNotesPayableMember |
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| Maturity Date | Dec. 01, 2016 | |
| Cost |
31,000us-gaap_DerivativeCostOfHedge / us-gaap_DerivativeByNatureAxis = good_MortgageNotesPayableMember |
31,000us-gaap_DerivativeCostOfHedge / us-gaap_DerivativeByNatureAxis = good_MortgageNotesPayableMember |
| Fair Value |
$ 1,000us-gaap_InterestRateFairValueHedgeDerivativeAtFairValueNet / us-gaap_DerivativeByNatureAxis = good_MortgageNotesPayableMember |
$ 4,000us-gaap_InterestRateFairValueHedgeDerivativeAtFairValueNet / us-gaap_DerivativeByNatureAxis = good_MortgageNotesPayableMember |
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- Definition
Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Date the debt instrument was issued, in CCYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Cap rate on an interest rate derivative such as an interest rate cap or collar. If market rates exceed the cap rate, a payment or receipt is triggered on the contract. No definition available.
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- Definition
The premium (cost) of a hedge, expensed during the period. No definition available.
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- Definition
Date the derivative contract matures, in CCYY-MM-DD format. No definition available.
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- Definition
Fair value of all derivatives designated as interest rate fair value hedging instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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