Represents the area of land sold during the period.

No definition available.

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Period Type:	duration

- Definition

Common stock shares Conversion Ratio, Merger.

+ References

No definition available.

+ Details

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- Definition

Represents the after tax earnings per share relating to the disposal group.

+ References

No definition available.

+ Details

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- Definition

Number of former tenants.

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
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- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

+ Details

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

- Definition

Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2443-110228

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230

+ Details

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

- Definition

The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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- Details

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- Details

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Data Type:	na
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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=cto_AcquisitionOfMultiTenantIncomePropertyMember
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SUBSEQUENT EVENTS (Details) $ / shares in Units, $ in Thousands						1 Months Ended		12 Months Ended
	Mar. 02, 2021 USD ($)	Feb. 23, 2021 USD ($)	Jan. 29, 2021	Jan. 28, 2021 USD ($) a	Jan. 20, 2021 USD ($) tenant	Feb. 28, 2021	Jan. 31, 2021	Dec. 31, 2020 USD ($) $ / shares
Subsequent Event [Line Items]
Sales price								$ 86,500
Gain on Sale								8,600
Seven-Eleven Dallas, TX [Member]
Subsequent Event [Line Items]
Sales price								2,400
Gain on Sale								$ (46)
Earning per share, after tax \| $ / shares								$ (0.01)
Subsequent Event
Subsequent Event [Line Items]
Conversion ratio on merger			1
Subsequent Event \| COVID-19
Subsequent Event [Line Items]
Percentage of contractual base rent received						99.00%	99.00%
Subsequent Event \| Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Subsurface oil, gas and mineral rights
Subsequent Event [Line Items]
Sales price				$ 1,900
Gain on Sale				$ 1,800
Area of land sold \| a				25,300
Subsequent Event \| Acquisition of multi tenant income property \| West Jordan, Utah
Subsequent Event [Line Items]
Purchase price	$ 20,000
Subsequent Event \| Brandon, FL
Subsequent Event [Line Items]
Number of former tenants \| tenant					2
Subsequent Event \| Brandon, FL \| Disposal Group, Disposed of by Sale, Not Discontinued Operations
Subsequent Event [Line Items]
Sales price					$ 2,300
Gain on Sale					$ 600
Subsequent Event \| Jacksonville, FL \| Disposal Group, Disposed of by Sale, Not Discontinued Operations
Subsequent Event [Line Items]
Sales price		$ 2,500
Gain on Sale		$ 100