The number of land transactions that have closed.

No definition available.

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- Definition

The number of escrow accounts pertaining to a specific transaction or group of transactions.

+ References

No definition available.

+ Details

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Namespace Prefix:	cto_
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- Definition

The number of land transactions.

+ References

No definition available.

+ Details

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- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 25
-Paragraph 1
-Subparagraph (b)
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82896770&loc=d3e26610-111562

+ Details

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

- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=82896770&loc=d3e26805-111562

+ Details

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Balance Type:	credit
Period Type:	duration

- References

No definition available.

+ Details

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- Definition

A valuation allowance for financing receivables that are expected to be uncollectible.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(1)
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

This element represents the amount of loss recognized for other than temporary impairments (OTTI) of investments in debt and equity securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 5.M)
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of real estate properties owned 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

- References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(1)(a))
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-Name Accounting Standards Codification
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Balance Type:	debit
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- Details

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- Details

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DESCRIPTION OF BUSINESS AND PRINCIPLES OF INTERIM STATEMENTS - Restricted Cash, Investment Securities and Commercial Loan Investment (Details)	3 Months Ended			6 Months Ended
	Jun. 30, 2017 USD ($) Transaction item property	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Jun. 30, 2017 USD ($) Transaction item property	Jun. 30, 2016 USD ($)	Feb. 28, 2017 Transaction	Dec. 31, 2016 USD ($)	Dec. 31, 2015 Transaction	Dec. 31, 2013 Transaction
Restricted Cash
Restricted Cash	$ 4,727,381			$ 4,727,381			$ 9,855,469
Investment Securities
Impairment charge other-than-temporary impairments	0	$ 0		0	$ 0
Loss from disposition of Investment Securities			$ 576,000		$ 575,567
Investment Securities remaining	0			0			0
Commercial Loan Investment Impairment
Financing Receivable, Allowance for Credit Losses	0			0			$ 0
Escrow Deposit to be Reinvested Through Like-Kind Exchange Structure
Restricted Cash
Restricted Cash	3,400,000			3,400,000
Restricted Cash Reserve for Property Taxes and Insurance Escrows for Property Financing
Restricted Cash
Restricted Cash	$ 334,000			$ 334,000
Number of real estate properties \| property	2			2
Restricted Cash, Escrow Deposit Related to Land Transactions
Restricted Cash
Restricted Cash	$ 835,000			$ 835,000
Number of separate escrow accounts \| item	3			3
Number of separate land transactions \| Transaction	3			3
Number of closed land transactions \| Transaction						1		1	1
Restricted Cash, Escrow for Tenant Improvements
Restricted Cash
Restricted Cash	$ 134,000			$ 134,000