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SUBSEQUENT EVENTS - Summary of Borrowings by Type (Details) - Subsequent Event $ in Millions | 1 Months Ended
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Aug. 09, 2022 USD ($)
Subsequent Event [Line Items] |
Repayments of maturing loans | $ 16.9
Weighted average basis, stated interest rate | 4.47%
Weighted average basis, effective interest rate | 2.89%

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- Definition Debt Instrument, Weighted Average Basis, Effective Interest Rate + References No definition available. + Details
Name: | land_DebtInstrumentWeightedAverageBasisEffectiveInterestRate
Namespace Prefix: | land_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition Debt Instrument, Weighted Average Basis, Stated Interest Rate + References No definition available. + Details
Name: | land_DebtInstrumentWeightedAverageBasisStatedInterestRate
Namespace Prefix: | land_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3291-108585 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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_
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Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |