XML 162 R60.htm IDEA: XBRL DOCUMENT
v3.19.2

Subsequent Events - Acquisition Activity (Details) |  |  | 6 Months Ended
--- | --- | --- | ---
Jul. 22, 2019 USD ($) a farm option | Jul. 11, 2019 USD ($) a farm | Jun. 30, 2019 a farm | Jun. 30, 2018 a farm
Subsequent Event [Line Items] |  |  |  |
Total Acres | a |  |  | 75,886 | 63,325
Number of farms | farm |  |  | 90 | 75
Subsequent Event |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Total Acres | a | 3,910 |  |  |
Number of farms | farm | 2 |  |  |
Total Purchase Price | $ 66,790,000 |  |  |
Acquisition Costs | 496,000 |  |  |
Annualized Straight-line Rent | $ 4,271,000 |  |  |
Subsequent Event | Monterey, California | San Juan Grade Road |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Total Acres | a |  | 324 |  |
Number of farms | farm |  | 1 |  |
Operating lease, term (in years) |  | 4 months 5 days |  |
Term of Renewal |  | 6 years |  |
Term of Extension |  | 4 years |  |
Total Purchase Price |  | $ 9,000,000 |  |
Acquisition Costs |  | 62,000 |  |
Annualized Straight-line Rent |  | $ 575,000 |  |
Subsequent Event | Martin, Florida | West Citrus Boulevard |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Total Acres | a |  | 3,586 |  |
Number of farms | farm |  | 1 |  |
Operating lease, term (in years) |  | 8 years 4 months 10 days |  |
Number of Renewal Options | option | 2 |  |  |
Term of Renewal | 10 years |  |  |
Total Purchase Price |  | $ 57,790,000 |  |
Acquisition Costs |  | 434,000 |  |
Annualized Straight-line Rent |  | 3,696,000 |  |
OP Units, issued | $ 288,303 |  |  |
Aggregate fair value |  | 3,300,000 |  |
Minimum | Subsequent Event | Monterey, California | San Juan Grade Road |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Annualized Straight-line Rent |  | $ 606,000 |  |

X
- Definition Annualized straight line rent escalations. + References No definition available. + Details
Name: | land_AnnualizedStraightLineRentEscalations
Namespace Prefix: | land_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Asset Acquisition, Consideration Transferred + References No definition available. + Details
Name: | land_AssetAcquisitionConsiderationTransferred
Namespace Prefix: | land_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Asset Acquisition, Transaction Costs + References No definition available. + Details
Name: | land_AssetAcquisitionTransactionCosts
Namespace Prefix: | land_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Lessor, Operating Lease, Number Of Renewal Options + References No definition available. + Details
Name: | land_LessorOperatingLeaseNumberOfRenewalOptions
Namespace Prefix: | land_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Lessor, Operating Lease, Term of Contract, Extension + References No definition available. + Details
Name: | land_LessorOperatingLeaseTermofContractExtension
Namespace Prefix: | land_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of real estate farms. + References No definition available. + Details
Name: | land_NumberOfRealEstateFarms
Namespace Prefix: | land_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Partners' Capital Account, Units Issued + References No definition available. + Details
Name: | land_PartnersCapitalAccountUnitsIssued
Namespace Prefix: | land_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition Term of lessor's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=119202524&loc=SL77919359-209981 + Details
Name: | us-gaap_LessorOperatingLeaseRenewalTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Definition Term of lessor's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=119202524&loc=SL77919359-209981 + Details
Name: | us-gaap_LessorOperatingLeaseTermOfContract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fair value portion of shares that an entity is required to redeem for cash or other assets at a fixed or determinable date or upon the occurrence of an event. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section 25 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=109262497&loc=d3e21216-110875 + Details
Name: | us-gaap_MandatorilyRedeemablePreferredStockFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- 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
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=land_MontereyCaliforniaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RealEstatePropertiesAxis=land_SanJuanGradeRoadMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=land_MartinFloridaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RealEstatePropertiesAxis=land_WestCitrusBoulevardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |