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Quarterly Financial Data (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended								12 Months Ended
	Jan. 14, 2016	Nov. 19, 2015	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Quarterly Financial Information Disclosure [Abstract]
Revenues			$ 272,000	$ 253,367	$ 259,904	$ 256,000	$ 320,758	$ 326,262	$ 322,794	$ 318,335	$ 1,041,271	$ 1,288,149	$ 1,105,247
Net income attributable to the Company			$ 37,128	$ 13,730	$ 45,222	$ 420,915	$ 414,959	$ 33,597	$ 14,395	$ 24,611	$ 516,995	$ 487,562	$ 1,499,042
Net income attributable to common stockholders (dollars per share)			$ 0.26	$ 0.09	$ 0.31	$ 2.77	$ 2.65	$ 0.21	$ 0.09	$ 0.15	$ 3.52	$ 3.08	$ 10.46
Net income attributable to common stockholders (dollars per share)			$ 0.26	$ 0.09	$ 0.31	$ 2.76	$ 2.65	$ 0.21	$ 0.09	$ 0.15	$ 3.52	$ 3.08	$ 10.45
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (loss) on sale of assets											$ (375)	$ 9,850	$ 3,643
Arrowhead Towne Center
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (loss) on sale of assets											$ 101,629
Arrowhead Towne Center | PPR Queens Portfolio
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (loss) on sale of assets						$ 101,629
PPR Portfolio | PPR Queens Portfolio
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (loss) on sale of assets							$ 311,194
Panorama Mall
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on disposal		$ 73,726
Joint venture | MAC Heitman Portfolio
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain (loss) on sale of assets	$ 340,734

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