XML 49 R37.htm IDEA: XBRL DOCUMENT
v3.25.3

INVESTMENTS IN WATER ASSETS - Schedule of Water Asset Investments (Details) - Semitropic Water Storage District - Kern, CA $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2024 USD ($) a | Dec. 31, 2023 USD ($) a | Mar. 31, 2024 USD ($) a
Real Estate Properties [Line Items] |  |  |
Acre-feet of Banked Water Available to Purchase per Contract | a | 2,306 | 1,003 | 3,309
Acre-feet of Banked Water Purchased | a | 2,306 | 1,003 | 3,309
Value Attributed to Contract | $ 923 | $ 401 | $ 1,324
Cost to Exercise Contract | 141 | 62 | 203
Total Carrying Value of Banked Water Purchased | $ 1,064 | $ 463 | $ 1,527

X
- Definition Area Of Water, Available For Purchase Contract + References No definition available. + Details
Name: | land_AreaOfWaterAvailableForPurchaseContract
Namespace Prefix: | land_
Data Type: | dtr-types:areaItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Water Assets, Cost to Exercise Contract + References No definition available. + Details
Name: | land_WaterAssetsCostToExerciseContract
Namespace Prefix: | land_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Water Assets Purchased, Carrying Value + References No definition available. + Details
Name: | land_WaterAssetsPurchasedCarryingValue
Namespace Prefix: | land_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Water Assets, Value Of Purchase Contract + References No definition available. + Details
Name: | land_WaterAssetsValueOfPurchaseContract
Namespace Prefix: | land_
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_RealEstatePropertiesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_CounterpartyNameAxis=land_SemitropicWaterStorageDistrictMember
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: |