XML 66 R55.htm IDEA: XBRL DOCUMENT
v3.19.1

Subsequent Events - Additional Information (Details) $ in Thousands |  |  | 1 Months Ended | 3 Months Ended
--- | --- | --- | --- | ---
Apr. 30, 2019 USD ($) ft² tenant | Apr. 05, 2019 USD ($) ft² tenant | Apr. 30, 2019 USD ($) ft² shares | Mar. 31, 2019 USD ($) | Mar. 31, 2018 USD ($)
Subsequent Event [Line Items] |  |  |  |  |
Purchase price |  |  |  | $ 6,315 | $ 14,341
Common Stock | Subsequent event |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Number of shares issued (in shares) | shares |  |  | 332,709 |  |
Series A and B Preferred Stock | Subsequent event |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Number of shares issued (in shares) | shares |  |  | 0 |  |
Orlando, Florida | Subsequent event |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Square Footage | ft² |  | 383,000 |  |  |
Purchase price |  | $ 19,200 |  |  |
Number of tenants | tenant |  | 1 |  |  |
Lease Term |  | 20 years |  |  |
Annualized GAAP Rent |  | $ 1,500 |  |  |
Columbus, Ohio | Subsequent event |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Square Footage | ft² | 54,430 |  | 54,430 |  |
Purchase price | $ 3,100 |  |  |  |
Number of tenants | tenant | 1 |  |  |  |
Lease Term | 7 years |  |  |  |
Annualized GAAP Rent | $ 200 |  |  |  |
Common Stock ATM Program | Common Stock | Subsequent event |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Consideration received |  |  | $ 6,800 |  |

X
- Definition Annualized straight line rent. + References No definition available. + Details
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Namespace Prefix: | good_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Lease term available for lease. + References No definition available. + Details
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Namespace Prefix: | good_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Lessor, Operating Lease, Number of Tenants + References No definition available. + Details
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Namespace Prefix: | good_
Data Type: | xbrli:integerItemType
Balance Type: | na
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- Definition Purchase price of acquired property. + References No definition available. + Details
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Namespace Prefix: | good_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Area of a real estate property. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | instant

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- Definition Cash received on stock transaction after deduction of issuance costs. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The number of shares issued or sold by the subsidiary or equity method investee per stock transaction. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration

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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
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- Details
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- Details
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Namespace Prefix: |
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- Details
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Namespace Prefix: |
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- Details
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Namespace Prefix: |
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- Details
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Namespace Prefix: |
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