Real Estate and Intangible Assets - Summary of Estimated Aggregate Rental Income (Detail) (Above and Below Market Leases [Member], USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2014
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Above and Below Market Leases [Member]
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Schedule Of Operating Leases Future Minimum Payments Receivable [Line Items] | |
2015 |
$ 557us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = good_AboveAndBelowMarketLeasesMember |
2016 |
438us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = good_AboveAndBelowMarketLeasesMember |
2017 |
432us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = good_AboveAndBelowMarketLeasesMember |
2018 |
432us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = good_AboveAndBelowMarketLeasesMember |
2019 |
432us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = good_AboveAndBelowMarketLeasesMember |
Thereafter |
4,374us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = good_AboveAndBelowMarketLeasesMember |
Total |
$ 6,665us-gaap_OperatingLeasesFutureMinimumPaymentsReceivable / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = good_AboveAndBelowMarketLeasesMember |
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- Details
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- Definition
Future minimum rental payments in aggregate as of the balance sheet date under operating leases. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Future rental payments receivable within one year of the balance sheet date under an operating lease. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Future rental payments receivable within the fifth year from the balance sheet date under an operating lease. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Future rental payments receivable within the fourth year from the balance sheet date under an operating lease. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Future rental payments receivable within the third year from the balance sheet date under an operating lease. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Future rental payments receivable within the second year from the balance sheet date under an operating lease. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Future minimum lease payments receivable under operating leases for periods greater than five years following the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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