XML 55 R43.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Related-Party Transactions - Additional Information (Details) $ in Thousands |  |  |  |  | 3 Months Ended | 6 Months Ended | 8 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 11, 2018 | Jan. 10, 2018 | Apr. 01, 2017 | Mar. 31, 2017 | Jun. 30, 2018 USD ($) | Jun. 30, 2017 USD ($) | Jun. 30, 2018 USD ($) officer | Jun. 30, 2017 USD ($) | Jun. 30, 2018 USD ($) | Dec. 31, 2017 USD ($)
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Number of executive officers that serve as directors | officer |  |  |  |  |  |  | 2 |  |  |
Management fee percent |  |  | 2.00% | 2.00% |  |  |  |  |  |
Hurdle rate, quarterly |  |  | 1.75% | 1.75% |  |  |  |  |  |
Hurdle rate, annual |  |  | 7.00% | 7.00% |  |  |  |  |  |
Percentage of Pre-Incentive Fee FFO |  |  | 100.00% | 100.00% |  |  |  |  |  |
Pre incentive fee, exceeded percentage |  |  | 2.1875% | 2.1875% |  |  |  |  |  |
Pre incentive fee, exceeded percentage, annual |  |  | 8.75% | 8.75% |  |  |  |  |  |
Percentage Of Pre incentive fee |  |  | 20.00% | 20.00% |  |  |  |  |  |
Base management fee percentage, quarterly |  |  | 0.50% |  |  |  |  |  |  |
Cumulative realized capital gains |  |  | 15.00% |  |  |  |  |  |  |
Number of days written notice |  |  | 120 days |  |  |  |  |  |  |
Deferred management fees |  |  |  |  |  |  |  |  |  | $ 193
Credits to fees from adviser |  |  |  |  | $ 174 | $ 0 | $ 174 | $ 0 |  |
Administration fee |  |  |  |  | 275 | 219 | 549 | 445 |  |
Management fee |  |  |  |  | 754 | 530 | 1,411 | 924 |  |
Gladstone Securities |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Administration fee |  |  |  |  |  |  | $ 2 |  |  |
Percentage of financing that will be payable |  |  |  |  |  |  | 0.12% |  |  |
Taxable REIT Subsidiary |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Professional fees |  |  |  |  | 43 |  | $ 118 |  | $ 189 | $ 71
Deferred management fees |  |  |  |  | 28 |  | 28 |  | $ 28 |
Administration fee |  |  |  |  | 17 |  | 30 |  |  |
Management fee |  |  |  |  | 94 |  | 161 |  |  |
Preferred Stock | Series B Preferred Stock |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Selling commission fee, percentage |  | 7.00% |  |  |  |  |  |  |  |
Dealer-manager fee, percentage |  | 3.00% |  |  |  |  |  |  |  |
Management fee |  |  |  |  | $ 50 | $ 0 | $ 50 | $ 0 |  |
Minimum | Gladstone Securities |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Percentage of financing that will be payable |  |  |  |  |  |  | 0.50% |  |  |
Maximum | Gladstone Securities |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Percentage of financing that will be payable |  |  |  |  |  |  | 1.00% |  |  |
Ventura County California |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Operating lease, term (in years) | 10 years |  |  |  |  |  |  |  |  |

X
- Definition Administration fee. + References No definition available. + Details
Name: | land_AdministrationFee
Namespace Prefix: | land_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Agricultural Related Inventory, Overhead Costs + References No definition available. + Details
Name: | land_AgriculturalRelatedInventoryOverheadCosts
Namespace Prefix: | land_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount to be paid to adviser in percentage of pre incentive fee condition one. + References No definition available. + Details
Name: | land_AmountToBePaidToAdviserInPercentageOfPreIncentiveFeeConditionOne
Namespace Prefix: | land_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount to be paid to adviser in percentage of pre incentive fee condition two. + References No definition available. + Details
Name: | land_AmountToBePaidToAdviserInPercentageOfPreIncentiveFeeConditionTwo
Namespace Prefix: | land_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Annualized incentive fee per advisory agreement. + References No definition available. + Details
Name: | land_AnnualizedIncentiveFeePerAdvisoryAgreement
Namespace Prefix: | land_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Credits to fees from adviser. + References No definition available. + Details
Name: | land_CreditsToFeesFromAdviser
Namespace Prefix: | land_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Dealer-Manager Fee Percent Of Gross Proceeds Limit + References No definition available. + Details
Name: | land_DealerManagerFeePercentOfGrossProceedsLimit
Namespace Prefix: | land_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Incentive fee per advisory agreement. + References No definition available. + Details
Name: | land_IncentiveFeePerAdvisoryAgreement
Namespace Prefix: | land_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum annual percentage of stockholders equity to pay full pre incentive fee to adviser. + References No definition available. + Details
Name: | land_MaximumAnnualPercentageOfStockholdersEquityToPayFullPreIncentiveFeeToAdviser
Namespace Prefix: | land_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Notice Period For Termination Of Agreement Without Cause + References No definition available. + Details
Name: | land_NoticePeriodForTerminationOfAgreementWithoutCause
Namespace Prefix: | land_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of Executive Officers That Serve As Directors + References No definition available. + Details
Name: | land_NumberofExecutiveOfficersThatServeAsDirectors
Namespace Prefix: | land_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of expected annual base management fee to aggregate stockholders equity. + References No definition available. + Details
Name: | land_PercentageOfExpectedAnnualBaseManagementFeeToAggregateStockholdersEquity
Namespace Prefix: | land_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage Of Expected Quarterly Base Management Fee To Aggregate Stockholders Equity + References No definition available. + Details
Name: | land_PercentageOfExpectedQuarterlyBaseManagementFeeToAggregateStockholdersEquity
Namespace Prefix: | land_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage Of Financing Fee To Amount Of Mortgage + References No definition available. + Details
Name: | land_PercentageOfFinancingFeeToAmountOfMortgage
Namespace Prefix: | land_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of Incentive Fees on Capital Gains + References No definition available. + Details
Name: | land_PercentageofIncentiveFeesonCapitalGains
Namespace Prefix: | land_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Pre incentive fee in percentage of common stockholders equity that awards adviser hundred percent of amount of pre incentive fee maximum percentage. + References No definition available. + Details
Name: | land_PreIncentiveFeeInPercentageOfCommonStockholdersEquityThatAwardsAdviserHundredPercentOfAmountOfPreIncentiveFeeMaximumPercentage
Namespace Prefix: | land_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Selling Commission Percent Of Gross Proceeds Limit + References No definition available. + Details
Name: | land_SellingCommissionPercentOfGrossProceedsLimit
Namespace Prefix: | land_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Term of the lessor's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_LessorLeasingArrangementsOperatingLeasesTermOfContract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of expenses related to the managing member or general partner for management of the day-to-day business functions of the limited liability company (LLC) or limited partnership (LP). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 + Details
Name: | us-gaap_ManagementFeeExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07.2(a),(b),(c),(d)) -URI http://asc.fasb.org/extlink&oid=6488393&loc=d3e606610-122999 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 225 -Section 45 -Paragraph 3 -Subparagraph (k) -URI http://asc.fasb.org/extlink&oid=6488370&loc=d3e13550-115849 + Details
Name: | us-gaap_ProfessionalFees
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- 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. + Details
Name: | us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_AffiliatedEntityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionAxis=land_TaxableREITSubsidiaryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_PreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_SeriesBPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=land_VenturaCountyCaliforniaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |