XML 103 R64.htm IDEA: XBRL DOCUMENT
v3.25.0.1

EARNINGS PER SHARE OF COMMON STOCK - Narrative (Details) - shares | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Earnings Per Share [Abstract] |  |  |
Weighted average number of operating partnership units held by non-controlling interest (in shares) | 0 | 0 | 61,714

X
- Definition Weighted Average Number of Operating Partnership Units Held By Noncontrolling Interest + References No definition available. + Details
Name: | land_WeightedAverageNumberOfOperatingPartnershipUnitsHeldByNoncontrollingInterest
Namespace Prefix: | land_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_EarningsPerShareAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration