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- Definition

Mortgage and Other Notes Receivable [Line Items]

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- Definition

Mortgage Loans on Real Estate, Interest Rate in One Year

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No definition available.

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- Definition

Note Receivable, Interest Rate

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No definition available.

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- Definition

Number of subsidiaries owned by the company.

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- Definition

Percentage of assignment of the partnership interest in the real estate.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
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- Definition

Amount of direct write-downs of financing receivables charged against the allowance.

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-Name Accounting Standards Codification
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-SubTopic 10
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- Definition

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

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 310
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Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services.

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MORTGAGE AND OTHER NOTES RECEIVABLE (Details)	1 Months Ended		12 Months Ended
MORTGAGE AND OTHER NOTES RECEIVABLE (Details)	May 31, 2016	Apr. 30, 2016	Dec. 31, 2016 USD ($) subsidiary	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Mar. 31, 2016 USD ($)
Mortgage and Other Notes Receivable [Line Items]
Percentage of assignment of the partnership interest			100.00%
Interest rate (percent)			7.00%
Mortgage and other notes receivable balance, fully collectible			$ 16,803,000	$ 18,238,000
Write-off of note receivable			1,846,000	0	$ 0
Note receivable from sale of land			$ 0	$ 0	$ 360,000
Columbia Place Outparcel
Mortgage and Other Notes Receivable [Line Items]
Interest rate (percent)			5.00%	5.00%
One Park Place
Mortgage and Other Notes Receivable [Line Items]
Interest rate (percent)			5.00%	5.00%
Village Square
Mortgage and Other Notes Receivable [Line Items]
Interest rate (percent)			3.75%	3.50%
ERMC
Mortgage and Other Notes Receivable [Line Items]
Interest rate (percent)			4.00%	0.00%
Horizon Group
Mortgage and Other Notes Receivable [Line Items]
Interest rate (percent)				0.00%
Horizon Group \| Mortgage Note Payable
Mortgage and Other Notes Receivable [Line Items]
Debt instrument, face value						$ 300,000
Horizon Group, 2
Mortgage and Other Notes Receivable [Line Items]
Interest rate (percent)			0.00%	7.00%
Horizon Group, 2 \| Mortgage Note Payable
Mortgage and Other Notes Receivable [Line Items]
Debt instrument, face value				$ 5,280,000
RED Development Inc.
Mortgage and Other Notes Receivable [Line Items]
Interest rate (percent)			5.00%	5.00%
Woodstock land
Mortgage and Other Notes Receivable [Line Items]
Interest rate (percent)			5.00%	0.00%
Mortgage Holdings, LLC
Mortgage and Other Notes Receivable [Line Items]
Number of subsidiaries owned by the company \| subsidiary			2
Mortgage Receivable
Mortgage and Other Notes Receivable [Line Items]
Mortgage and other notes receivable balance, fully collectible			$ 5,680,000	$ 7,776,000
Mortgage Receivable \| Columbia Place Outparcel
Mortgage and Other Notes Receivable [Line Items]
Mortgage and other notes receivable balance, fully collectible			321,000	342,000
Mortgage Receivable \| One Park Place
Mortgage and Other Notes Receivable [Line Items]
Mortgage and other notes receivable balance, fully collectible			1,194,000	1,369,000
Mortgage Receivable \| Village Square
Mortgage and Other Notes Receivable [Line Items]
Interest rate (percent)	3.75%	3.50%
Mortgage and other notes receivable balance, fully collectible			$ 1,644,000	1,685,000
Interest rate in one year (as a percent)			4.00%
Mortgage Receivable \| Other
Mortgage and Other Notes Receivable [Line Items]
Mortgage and other notes receivable balance, fully collectible			$ 2,521,000	4,380,000
Notes Receivable
Mortgage and Other Notes Receivable [Line Items]
Mortgage and other notes receivable balance, fully collectible			11,123,000	10,462,000
Notes Receivable \| ERMC
Mortgage and Other Notes Receivable [Line Items]
Mortgage and other notes receivable balance, fully collectible			3,500,000	0
Note receivable from sale of land			$ 3,500,000
Company's ownership interest (as a percent)			50.00%
Number of subsidiaries owned by the company \| subsidiary			4
Notes Receivable \| Horizon Group
Mortgage and Other Notes Receivable [Line Items]
Mortgage and other notes receivable balance, fully collectible			$ 300,000	0
Notes Receivable \| Horizon Group, 2
Mortgage and Other Notes Receivable [Line Items]
Mortgage and other notes receivable balance, fully collectible			0	3,096,000
Notes Receivable \| RED Development Inc.
Mortgage and Other Notes Receivable [Line Items]
Mortgage and other notes receivable balance, fully collectible			6,588,000	7,366,000
Notes Receivable \| Woodstock land
Mortgage and Other Notes Receivable [Line Items]
Mortgage and other notes receivable balance, fully collectible			$ 735,000	$ 0
Notes Receivable \| JG Gulf Coast Town Center LLC
Mortgage and Other Notes Receivable [Line Items]
Note receivable, interest rate (as a percent)			6.32%
Minimum \| Other
Mortgage and Other Notes Receivable [Line Items]
Interest rate (percent)			3.27%	2.93%
Maximum \| Other
Mortgage and Other Notes Receivable [Line Items]
Interest rate (percent)			9.50%	9.50%
JG Gulf Coast Town Center LLC \| Notes Receivable
Mortgage and Other Notes Receivable [Line Items]
Write-off of note receivable			$ 1,846,000