Area of land held for sale.

No definition available.

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- Definition

Area of land owned.

+ References

No definition available.

+ Details

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- 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

+ References

No definition available.

+ Details

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- Definition

The number of income properties sold.

+ References

No definition available.

+ Details

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- Definition

Represents the percentage of contractual base rent abated during the period.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
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- Definition

Represents the percentage of contractual base rent deferred during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	cto_
Data Type:	num:percentItemType
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- Definition

Represents the percentage of contractual base rent for which the company has not yet reached an agreement.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
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Period Type:	duration

- Definition

Represents the percentage of contractual base rent received from tenants during the period.

+ References

No definition available.

+ Details

Name:	cto_PercentageOfContractualBaseRentReceived
Namespace Prefix:	cto_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Period For Removal Of Property From Borrowing Base.

+ References

No definition available.

+ Details

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Namespace Prefix:	cto_
Data Type:	xbrli:durationItemType
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 land held.

+ References

No definition available.

+ Details

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Data Type:	num:areaItemType
Balance Type:	na
Period Type:	instant

- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

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Data Type:	num: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
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-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
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+ Details

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Data Type:	num: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 http://asc.fasb.org/extlink&oid=99377092&loc=SL75136599-209740

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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-Paragraph 1
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

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

+ References

No definition available.

+ Details

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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

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

- 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
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DESCRIPTION OF BUSINESS AND PRINCIPLES OF INTERIM STATEMENTS - Description of Business (Details)	3 Months Ended	6 Months Ended
	Jun. 30, 2020 USD ($) a ft² property county	Jun. 30, 2020 USD ($) a ft² county property	Dec. 31, 2019 USD ($)	Nov. 26, 2019 USD ($)	Jun. 30, 2019 ft²
Description of business
Percentage of contractual base rent received	81.00%
Percentage of contractual base rent deferred	9.00%
Percentage of contractual base rent abated	4.00%
Percentage of contractual base rent for which the company has not yet reached an agreement	6.00%
Gross leasable space \| ft²	522,681	522,681			139,514
Estimated Fair Value (Level 1 and 2 Inputs) \| $	$ 33,164,611	$ 33,164,611	$ 38,814,425
Mitigation Bank
Description of business
Area of land owned \| a	2,500	2,500
Florida
Description of business
Subsurface area of portfolio of mineral interests \| a	455,000	455,000
Number of countries \| county	20	20
Commercial
Description of business
Number of real estate properties \| property	31	31
Number of states in which entity operates \| county	12	12
Gross leasable space \| ft²	2,200,000	2,200,000
Number of income properties sold \| property	4
Single-tenant
Description of business
Number of real estate properties \| property	25	25
Multi-tenant
Description of business
Number of real estate properties \| $	6	6
Undeveloped land \| Land JV
Description of business
Area of land held for sale \| a	1,800	1,800
Undeveloped Land in Daytona Beach, Florida, Along Interstate 95
Description of business
Area of land (in acres) \| a	5,300	5,300
Undeveloped Land in Daytona Beach, Florida, Along Interstate 95 \| Land JV
Description of business
Area of land (in acres) \| a	4,900	4,900
Alpine
Description of business
Estimated Fair Value (Level 1 and 2 Inputs) \| $	$ 33,200,000	$ 33,200,000		$ 38,800,000
Percentage of investment in PINE	23.50%	23.50%		23.50%
Stock split ratio		1
Credit Facility
Description of business
Borrowing capacity \| $	$ 200,000,000.0	$ 200,000,000.0
Remaining borrowing capacity \| $	$ 37,200,000	$ 37,200,000
Term for removal of property from borrowing base		60 days