XML 58 R42.htm IDEA: XBRL DOCUMENT
v3.22.4

Borrowings - Summary of Borrowings (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Debt Instrument [Line Items] |  |
Net book value | $ 1,370,564 |
Debt instrument, loans to value ratios | 60.00% |
Notes and Bonds Borrowings |  |
Debt Instrument [Line Items] |  |
Net book value | $ 1,200,000 |
Weighted average interest rate on borrowings | 3.77% | 3.72%
Farm Credit Notes Payable |  |
Debt Instrument [Line Items] |  |
Reduction in interest rate | (29.90%) |
Reduction in basis points | (1.37%) |

X
- Definition Debt Instrument, Basis Spread on Variable Rate, Increase (Decrease) + References No definition available. + Details
Name: | land_DebtInstrumentBasisSpreadonVariableRateIncreaseDecrease
Namespace Prefix: | land_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Loans To Value Ratios Percentage + References No definition available. + Details
Name: | land_DebtInstrumentLoansToValueRatiosPercentage
Namespace Prefix: | land_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt instrument weighted average interest rate. + References No definition available. + Details
Name: | land_DebtInstrumentWeightedAverageInterestRate
Namespace Prefix: | land_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount after accumulated depreciation of real estate and intangible assets held for investment for entities with a substantial portion of business acquiring and holding investment real estate. + References No definition available. + Details
Name: | land_SecScheduleIiiRealEstateInvestmentPropertyIncludingIntangibleAssetsNet
Namespace Prefix: | land_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Incremental percentage increase (decrease) in the stated rate on a debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentInterestRateIncreaseDecrease
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
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_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DebtInstrumentAxis=land_NotesandBondsBorrowingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=land_FarmCreditNotesPayableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |