XML 236 R20.htm IDEA: XBRL DOCUMENT
v3.20.4

Real Estate Dispositions, Held for Sale, and Impairment Charges (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Real Estate [Abstract] |
Summary Properties Sold | During the year ended December 31, 2020, we sold six non-core properties, located in Charlotte, North Carolina, Maple Heights, Ohio, Champaign, Illinois, and Austin, Texas, which are summarized in the table below (dollars in thousands):
Aggregate Square Footage Sold |  | Sales Price |  | Sales Costs |  |  |  | Gain on Sale of Real Estate, net
551,743 |  |  | $ | 37,532 |  |  | $ | 1,698 |  |  |  |  | $ | 8,096 |
Components of Operating Income from Real Estate and Related Assets Disposed | The table below summarizes the components of operating income from the real estate and related assets disposed of during the years ended December 31, 2020, 2019, and 2018, respectively (dollars in thousands):
|  | For the year ended December 31,
|  | 2020 |  | 2019 |  | 2018
Operating revenue |  | $ | 2,703 |  |  | $ | 3,176 |  |  | $ | 3,919 |
Operating expense |  | 1,534 |  |  | 3,697 |  |  | 1,609 |
Other income (expense), net |  | 8,181 |  | (1) | (54) |  |  | (586) |
Income (expense) from real estate and related assets sold |  | $ | 9,350 |  |  | $ | (575) |  |  | $ | 1,724 |
(1)Includes an $8.1 million gain on sale of real estate, net.
Components of Income from Real Estate and Related Assets Held for Sale | The table below summarizes the components of income from real estate and related assets held for sale at December 31, 2020 (dollars in thousands):
|  | For the year ended December 31,
|  | 2020 |  | 2019 |  | 2018
Operating revenue |  | $ | 1,861 |  |  | $ | 1,769 |  |  | $ | 1,288 |
Operating expense |  | 2,938 |  | (1) | 985 |  |  | 792 |
Other expense, net |  | (388) |  |  | (364) |  |  | (394) |
(Loss) income from real estate and related assets held for sale |  | $ | (1,465) |  |  | $ | 420 |  |  | $ | 102 |
(1) Includes a $1.9 million impairment charge.
Components of Assets and Liabilities Held for Sale | The table below summarizes the components of the assets and liabilities held for sale reflected on the accompanying consolidated balance sheet (dollars in thousands):
|  | December 31, 2020 |  | December 31, 2019
Assets Held for Sale |  |  |  |
Total real estate held for sale |  | $ | 8,114 |  |  | $ | 3,990 |
Lease intangibles, net |  | 384 |  |  | — |
Total Assets Held for Sale |  | $ | 8,498 |  |  | $ | 3,990 |
Liabilities Held for Sale |  |  |  |
Asset retirement obligation |  | $ | — |  |  | $ | 21 |
Total Liabilities Held for Sale |  | $ | — |  |  | $ | 21 |

X
- Definition Schedule of Components of Income From Real Estate and Related Assets Dispositions [Table Text Block] + References No definition available. + Details
Name: | good_ScheduleOfComponentsOfIncomeFromRealEstateAndRelatedAssetsDispositionsTableTextBlock
Namespace Prefix: | good_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule Of Components Of Income From Real Estate And Related Assets Held For Sale Table [Table Text Block] + References No definition available. + Details
Name: | good_ScheduleOfComponentsOfIncomeFromRealEstateAndRelatedAssetsHeldForSaleTableTableTextBlock
Namespace Prefix: | good_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule Of Real Estate Owned Held For Sale Table [Table Text Block] + References No definition available. + Details
Name: | good_ScheduleOfRealEstateOwnedHeldForSaleTableTableTextBlock
Namespace Prefix: | good_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_RealEstateAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of information related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3A -URI http://asc.fasb.org/extlink&oid=109226691&loc=SL51724579-110230 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109222650&loc=d3e1474-107760 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5D -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721677-107760 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=109222160&loc=SL51721533-107759 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 3A -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721659-107760 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721665-107760 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5C -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721675-107760 Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721683-107760 Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109222650&loc=d3e1361-107760 Reference 11: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5A -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721671-107760 Reference 12: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5B -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721673-107760 Reference 13: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 4A -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721663-107760 + Details
Name: | us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration