XML 48 R36.htm IDEA: XBRL DOCUMENT
v3.25.3

INVESTMENTS IN WATER ASSETS - Narrative (Details) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2025 USD ($) a property | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) a property | Sep. 30, 2024 USD ($) | Dec. 31, 2021 USD ($) a contract | Mar. 05, 2024
Real Estate [Line Items] |  |  |  |  |  |
Area of water | a | 55,532 |  | 55,532 |  |  |
Investments in water assets, long-term | $ 37,200 |  | $ 37,200 |  |  |
Other operating revenue | 49 | $ 0 | 50 | $ 453 |  |
Development in process | $ 1,500 |  | $ 1,500 |  |  |
Development in process, number of farms | property | 2 |  | 2 |  |  |
Development in process, deferred | $ 4,400 |  | $ 4,400 |  |  |
Westlands Water District |  |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |  |
Other operating revenue |  | $ 0 |  | $ 453 |  |
Other Various Water Agreements |  |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |  |
Area of water | a | 4,563 |  | 4,563 |  |  |
Investments in water assets, long-term | $ 884 |  | $ 884 |  |  |
Other operating revenue | $ 48 |  | $ 48 |  |  |
Kern, CA |  |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |  |
Area of water | a | 48,309 |  | 48,309 |  |  |
Investments in water assets, long-term | $ 35,500 |  | $ 35,500 |  |  |
Kern, CA | Kern County Farmland Acquisition |  |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |  |
Number of contracts to purchase banked water | contract |  |  |  |  | 3 |
Area of water | a |  |  |  |  | 45,000 |
Asset acquisition, consideration transferred |  |  |  |  | $ 31,300 |
Kern, CA | Kern River Water Acquisition |  |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |  |
Number of contracts to purchase banked water | contract |  |  |  |  | 3 |
Area of water | a |  |  |  |  | 45,000 |
Asset acquisition, consideration transferred |  |  |  |  | $ 2,800 |
Fresno, CA |  |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |  |
Area of water | a | 7,223 |  | 7,223 |  |  |
Groundwater recharge program, percentage of groundwater credits | 50.00% |  | 50.00% |  |  | 50.00%
Area of water, water credits obtained | a |  |  | 2,660 |  |  |
Fresno, CA | Westlands Water District |  |  |  |  |  |
Real Estate [Line Items] |  |  |  |  |  |
Investments in water assets, long-term | $ 746 |  | $ 746 |  |  |
Groundwater recharge program, percentage of groundwater credits |  |  |  |  |  | 50.00%

X
- Definition Area Of Water + References No definition available. + Details
Name: | land_AreaOfWater
Namespace Prefix: | land_
Data Type: | dtr-types:areaItemType
Balance Type: | na
Period Type: | instant

X
- Definition Area Of Water, Water Credits Obtained During Period + References No definition available. + Details
Name: | land_AreaOfWaterWaterCreditsObtainedDuringPeriod
Namespace Prefix: | land_
Data Type: | dtr-types:areaItemType
Balance Type: | na
Period Type: | duration

X
- Definition Development In Process, Deferred + References No definition available. + Details
Name: | land_DevelopmentInProcessDeferred
Namespace Prefix: | land_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Development In Process, Number Of Farms + References No definition available. + Details
Name: | land_DevelopmentInProcessNumberOfFarms
Namespace Prefix: | land_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Groundwater Recharge Program, Percentage Of Groundwater Credits + References No definition available. + Details
Name: | land_GroundwaterRechargeProgramPercentageOfGroundwaterCredits
Namespace Prefix: | land_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of Contracts To Purchase Banked Water + References No definition available. + Details
Name: | land_NumberOfContractsToPurchaseBankedWater
Namespace Prefix: | land_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Water Asset Investments, Noncurrent + References No definition available. + Details
Name: | land_WaterAssetInvestmentsNoncurrent
Namespace Prefix: | land_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of consideration transferred in asset acquisition. Includes, but is not limited to, cash, liability incurred by acquirer, and equity interest issued by acquirer. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 50 -Name Accounting Standards Codification -Section 55 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479908/805-50-55-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 805 -SubTopic 50 -Name Accounting Standards Codification -Section 25 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480060/805-50-25-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 805 -SubTopic 50 -Name Accounting Standards Codification -Section 30 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480027/805-50-30-1 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 805 -SubTopic 50 -Name Accounting Standards Codification -Section 30 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480027/805-50-30-2 + Details
Name: | us-gaap_AssetAcquisitionConsiderationTransferred
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The current amount of expenditures for a real estate project that has not yet been completed. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(1)(d)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(1)(6)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
Name: | us-gaap_DevelopmentInProcess
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The total amount of other operating income, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 + Details
Name: | us-gaap_OtherOperatingIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 976 -SubTopic 310 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477332/976-310-50-1 + Details
Name: | us-gaap_RealEstateLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_CounterpartyNameAxis=land_WestlandsWaterDistrictMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=land_OtherVariousWaterAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_AssetAcquisitionAxis=land_KernCountyFarmlandAcquisitionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AssetAcquisitionAxis=land_KernRiverWaterAcquisitionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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