Area of land owned.

No definition available.

Name:	cto_AreaOfLandOwned
Namespace Prefix:	cto_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Area of property acquired.

+ References

No definition available.

+ Details

Name:	cto_AreaOfPropertyAcquired
Namespace Prefix:	cto_
Data Type:	dtr-types:areaItemType
Balance Type:	na
Period Type:	duration

- Definition

Equity Securities, FV-NI, Investment, Ownership Percentage

+ References

No definition available.

+ Details

Name:	cto_EquitySecuritiesFvNiInvestmentOwnershipPercentage
Namespace Prefix:	cto_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of commercial loan investment.

+ References

No definition available.

+ Details

Name:	cto_NumberOfCommercialLoanInvestment
Namespace Prefix:	cto_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of preferred equity investment.

+ References

No definition available.

+ Details

Name:	cto_NumberOfPreferredEquityInvestment
Namespace Prefix:	cto_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Ownership Interest in Joint Venture By Parent, Percentage

+ References

No definition available.

+ Details

Name:	cto_OwnershipInterestInJointVentureByParentPercentage
Namespace Prefix:	cto_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Area of Subsurface Area of Portfolio Of Mineral Interest.

+ References

No definition available.

+ Details

Name:	cto_SubsurfaceAreaOfPortfolioOfMineralInterest
Namespace Prefix:	cto_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

Name:	us-gaap_AreaOfRealEstateProperty
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:areaItemType
Balance Type:	na
Period Type:	instant

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI https://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 45
-Paragraph 1A
-URI https://asc.fasb.org/extlink&oid=123594786&loc=SL75136599-209740

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(2))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfRealEstateProperties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of states the entity operates in as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfStatesInWhichEntityOperates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- 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

- Definition

Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SAB TOPIC 4.C)
-URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187143-122770

+ Details

Name:	us-gaap_StockholdersEquityNoteStockSplitConversionRatio1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=cto_MadisonYardsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=cto_AlpineIncomePropertyTrustInc.CommonStockAndAlpineIncomePropertyOpLpLimitedPartnershipUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=cto_MitigationBankMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=us-gaap_CommercialRealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=cto_CommercialRealEstateSingleTenantMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=cto_CommercialRealEstateMultipleTenantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

DESCRIPTION OF BUSINESS (Details) $ in Thousands, ft² in Millions			9 Months Ended
	Oct. 14, 2022 ft²	Apr. 27, 2022	Sep. 30, 2022 USD ($) ft² loan property county country a	Dec. 31, 2021 USD ($)	Sep. 30, 2021	Jun. 30, 2018
Real Estate Properties
Number of commercial loan investment \| loan			5
Investment in Alpine Income Property Trust, Inc. \| $			$ 35,260	$ 41,037
Stock split ratio		3
Subsequent Event \| Madison Yards
Real Estate Properties
Area of property acquired \| ft²	0.4
Alpine Income Property Trust, Inc. Common Stock and Alpine Income Property OP, LP Limited Partnership Units
Real Estate Properties
Investment in Alpine Income Property Trust, Inc. \| $			$ 35,260	$ 41,037
Investment ownership percentage (as a percent)			16.00%
Stock split ratio			1
Mitigation Bank
Real Estate Properties
Interest in the joint venture (as a percent)			70.00%
Area of land owned \| a			2,500
Equity method investment, ownership percentage (as a percent)					30.00%	30.00%
Florida
Real Estate Properties
Number of states in which entity operates \| country			19
Subsurface area of portfolio of mineral interests \| a			355,000
Commercial Real Estate Portfolio Segment
Real Estate Properties
Number of commercial loan investment \| loan			5
Commercial
Real Estate Properties
Number of real estate properties			18
Number of states in which entity operates \| county			9
Gross leasable space \| ft²			2.7
Number of preferred equity investment			1
Single-tenant
Real Estate Properties
Number of real estate properties			5
Multi-tenant
Real Estate Properties
Number of real estate properties			13