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Represents the period after a change of control within which, if employment of the individual is either terminated without cause or due to resignation for good reason, the equity award will be fully vested, as defined under the deferred compensation arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

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Restricted share award employee benefit termination period.

No definition available.

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The number of equity-based payment instruments, excluding stock (or unit) options, that expired during the reporting period.

No definition available.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a expiry of event.

No definition available.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited and permanently surrendered during the reporting period.

No definition available.

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The number of equity-based payment instruments, excluding stock (or unit) options, that are in each vesting increment.

No definition available.

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Share based compensation arrangement by share based payment award, equity instruments other than options, permanently surrendered.

No definition available.

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Share based compensation arrangement by share based payment award, equity instruments other than options, surrendered.

No definition available.

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Data Type:	xbrli:sharesItemType
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Share based compensation arrangement by share based payment award number of increments to vest other than stock options.

No definition available.

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Share based compensation arrangement by share based payment award number of increments vested other than stock options.

No definition available.

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Data Type:	xbrli:integerItemType
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Represents the period of stock closing prices used to determine an average closing price for vesting of a share based payment award.

No definition available.

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Data Type:	xbrli:durationItemType
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Period which an employee's share based award is no longer contingent on satisfaction of a market condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

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Data Type:	xbrli:durationItemType
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- References

No definition available.

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- References

No definition available.

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Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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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.

No definition available.

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
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Data Type:	xbrli:stringItemType
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Price of a single share of a number of saleable stocks of a company.

No definition available.

Name:	us-gaap_SharePrice
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Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

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Name:	us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
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Data Type:	na
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Name:	us-gaap_VestingAxis=cto_ShareBasedCompensationAwardStockPriceVestingMember
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Data Type:	na
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Name:	us-gaap_TitleOfIndividualAxis=us-gaap_ChiefFinancialOfficerMember
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Data Type:	na
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Name:	us-gaap_TitleOfIndividualAxis=cto_MrAlbrightAndMrPattenMember
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Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
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Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
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Name:	us-gaap_TitleOfIndividualAxis=cto_MrSmithAndOtherOfficerMember
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Name:	us-gaap_VestingAxis=cto_ShareBasedCompensationAwardStockPriceVestingPriceIncrementOneMember
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