XML 59 R45.htm IDEA: XBRL DOCUMENT v3.10.0.1

Real Estate and Intangible Assets - Property and Casualty Loss (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Real Estate Properties [Line Items]
Property and casualty loss	$ 194	$ 0
Arizona
Real Estate Properties [Line Items]
Cost of capitalized and expensed repairs and maintenance	81
Cost of Property Repairs and Maintenance	47
Real Estate Repair Cost Capitalized	34
Arizona and Florida
Real Estate Properties [Line Items]
Property and casualty loss	$ 194

X

- Definition

Cost Of Capitalized And Expensed Repairs And Maintenance

+ References

No definition available.

+ Details

Name:	land_CostOfCapitalizedAndExpensedRepairsAndMaintenance
Namespace Prefix:	land_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Gain Loss On Business Interruption Insurance Recovery

+ References

No definition available.

+ Details

Name:	land_GainLossOnBusinessInterruptionInsuranceRecovery
Namespace Prefix:	land_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Real estate repair cost capitalized.

+ References

No definition available.

+ Details

Name:	land_RealEstateRepairCostCapitalized
Namespace Prefix:	land_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The aggregate costs of keeping the property in good condition but that do not appreciably prolong the life or increase the value of the property.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2)
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

+ Details

Name:	us-gaap_CostOfPropertyRepairsAndMaintenance
Namespace Prefix:	us-gaap_
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_StatementGeographicalAxis=stpr_AZ
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_StatementGeographicalAxis=land_ArizonaandFloridaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: