Amount of outstanding long-term debt or borrowing associated with any securities or credit agreement for which there has been a default in principal, interest, sinking fund, or redemption provisions, or any breach of covenant that existed at the end of the period and subsequently has not been cured.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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Mortgage and Other Indebtedness, Net (Summary of Dispositions for Which Debt Was Transferred) (Details) - USD ($) $ in Thousands	1 Months Ended			3 Months Ended		9 Months Ended
	Aug. 31, 2017	Jun. 30, 2017	Jan. 31, 2017	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Debt Instrument [Line Items]
Gain on extinguishment of debt				$ 6,452	$ (6)	$ 30,927	$ 0
Midland Mall \| Mortgages
Debt Instrument [Line Items]
Interest Rate at Repayment Date			6.10%
Balance of Non-recourse Debt			$ 31,953
Gain on extinguishment of debt			$ 3,760
Chesterfield Mall \| Mortgages
Debt Instrument [Line Items]
Interest Rate at Repayment Date		5.74%
Balance of Non-recourse Debt		$ 140,000
Gain on extinguishment of debt		$ 29,187
Wausau Center \| Mortgages
Debt Instrument [Line Items]
Interest Rate at Repayment Date	5.85%
Balance of Non-recourse Debt	$ 17,689
Gain on extinguishment of debt	$ 6,851
Midland Mall and Chesterfield Mall
Debt Instrument [Line Items]
Balance of Non-recourse Debt				$ 189,642		189,642
Gain on extinguishment of debt						$ 39,798