Indicates the number of mortgage loans held-for-sale that are not part of a disposal group.

No definition available.

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Namespace Prefix:	cto_
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- Definition

Indicates the number of mortgage loans sold that were not part of a disposal group.

+ References

No definition available.

+ Details

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Namespace Prefix:	cto_
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- Definition

The face amount of loans that will be sold to other entities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522

+ Details

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Balance Type:	debit
Period Type:	instant

- References

No definition available.

+ Details

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- Definition

Amount, after allowance for bad debt, of loan receivables held-for-sale that are not part of a disposal group. Excludes loans and leases covered under loss sharing agreements and loans classified as debt securities.

+ References

+ Details

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

- Definition

Amount of the contractual principal due at the origination of the mortgage loan (face amount).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29)
-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 10
-Section S99
-Paragraph 6
-Subparagraph (SX 210.5-04.(c) Schedule IV)
-URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674

+ Details

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

- Definition

The stated interest rate on the mortgage loan receivable or the weighted average interest rate on a group of loans.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
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Period Type:	duration

- 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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COMMERCIAL LOAN INVESTMENTS - Held for Sale (Details)			9 Months Ended	12 Months Ended
COMMERCIAL LOAN INVESTMENTS - Held for Sale (Details)	Oct. 23, 2017 loan	Sep. 30, 2017 USD ($) loan	Sep. 30, 2017 USD ($) loan	Dec. 31, 2016 USD ($) loan
Loans classified as held for sale
Number of loans held for sale \| loan				0
Original Face Amount				$ 23,960,467
Lower of Cost or Market		$ 15,000,000	$ 15,000,000
Mezzanine loans
Loans classified as held for sale
Number of loans held for sale \| loan		2	2
Original Face Amount		$ 15,000,000	$ 15,000,000
Current Face Amount		15,000,000	15,000,000
Lower of Cost or Market		15,000,000	15,000,000
Fixed–rate mezzanine
Loans classified as held for sale
Original Face Amount		5,000,000	5,000,000
Current Face Amount		5,000,000	5,000,000
Lower of Cost or Market		5,000,000	$ 5,000,000
Interest Rate (as a percent)			12.00%
Variable–rate mezzanine
Loans classified as held for sale
Original Face Amount		10,000,000	$ 10,000,000
Current Face Amount		10,000,000	10,000,000
Lower of Cost or Market		$ 10,000,000	$ 10,000,000
Subsequent Event \| Mezzanine loans
Loans classified as held for sale
Number of loans sold \| loan	2