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Dispositions (Details) ft² in Thousands, $ in Thousands						9 Months Ended
	Jul. 15, 2016 USD ($) ft²	May 31, 2016 USD ($)	Apr. 13, 2016 USD ($) ft²	Nov. 19, 2015 USD ($) ft²	Jun. 30, 2015 USD ($) ft²	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)
Discontinued Operations:
Gain (loss) on early extinguishment of debt, net						$ 13,737	$ 609
The Market Place at Flagstaff
Discontinued Operations:
Property area (in square feet) | ft²	347
Flagstaff Mall
Discontinued Operations:
Gain (loss) on early extinguishment of debt, net	$ 5,284
Great Northern Mall
Discontinued Operations:
Property area (in square feet) | ft²					895
Great Northern Mall | Great Northern Mall
Discontinued Operations:
Gain (loss) on early extinguishment of debt, net					$ (1,627)
Panorama Mall
Discontinued Operations:
Property area (in square feet) | ft²				312
Proceeds from sale				$ 98,000
Gain on disposal				$ 73,726
Capitola Mall
Discontinued Operations:
Property area (in square feet) | ft²			586
Proceeds from sale			$ 93,000
Gain on disposal			$ 24,897
Mervyn's
Discontinued Operations:
Proceeds from sale		$ 3,200
Gain on disposal		$ (3,066)

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2443-110228

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
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- Definition

The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

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