Name:	cto_GainLossOnSaleOfPropertiesNetOfTaxPerShareBasic
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Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

Revenue from the sale of land per area unit of land in the reporting period.

No definition available.

Name:	cto_LandSalesPerAreaOfLand
Namespace Prefix:	cto_
Data Type:	us-types:perUnitItemType
Balance Type:	na
Period Type:	duration

Number of Tenants

No definition available.

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

Represents the occupancy percentage.

No definition available.

Name:	cto_OccupancyPercentage
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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Purchase price of land per square foot.

No definition available.

Name:	cto_PurchasePricePerSquareFoot
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Data Type:	xbrli:decimalItemType
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Period Type:	duration

Area of land held.

No definition available.

Name:	us-gaap_AreaOfLand
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Data Type:	num:areaItemType
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Period Type:	instant

Area of a real estate property.

No definition available.

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

The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Name Accounting Standards Codification
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-Section 50
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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Area of land subject to a ground lease.

No definition available.

Name:	us-gaap_LandSubjectToGroundLeases
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Data Type:	num:areaItemType
Balance Type:	na
Period Type:	instant

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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-Subparagraph (SX 210.5-02(22))
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-Subparagraph (SX 210.9-03(16))
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Name:	us-gaap_LineOfCredit
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Balance Type:	credit
Period Type:	instant

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

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

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

Number of separate real estate development properties located on land subject to ground leases.

No definition available.

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Represents the number of restaurants.

No definition available.

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

The cash outflow from the acquisition of property as primarily intended to generate income for its owner.

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Balance Type:	credit
Period Type:	duration

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

Cash received for the sale of real estate that is not part of an investing activity during the current period.

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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.

No definition available.

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

Name:	us-gaap_MajorPropertyClassAxis=cto_CommercialRealEstateSingleTenantMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_MajorPropertyClassAxis=cto_CommercialRealEstateMultipleTenantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_StatementGeographicalAxis=cto_AlbuquerqueNewMexicoMember
Namespace Prefix:
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