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Quarterly Financial Data (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  | 3 Months Ended | 12 Months Ended
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Jan. 14, 2016 | Jan. 06, 2016 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Quarterly Financial Information Disclosure [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  | $ 256,743 | $ 242,451 | $ 247,423 | $ 247,045 | $ 272,000 | $ 253,367 | $ 259,904 | $ 256,000 | $ 993,662 | $ 1,041,271 | $ 1,288,149
Net income attributable to the Company |  |  | $ 32,751 | $ 17,498 | $ 26,638 | $ 69,243 | $ 37,128 | $ 13,730 | $ 45,222 | $ 420,915 | $ 146,130 | $ 516,995 | $ 487,562
Net income attributable to common stockholders (dollars per share) |  |  | $ 0.23 | $ 0.12 | $ 0.19 | $ 0.48 | $ 0.26 | $ 0.09 | $ 0.31 | $ 2.77 | $ 1.02 | $ 3.52 | $ 3.08
Net income attributable to common stockholders (dollars per share) |  |  | $ 0.23 | $ 0.12 | $ 0.19 | $ 0.48 | $ 0.26 | $ 0.09 | $ 0.31 | $ 2.76 | $ 1.02 | $ 3.52 | $ 3.08
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Gain on sale of assets |  |  |  |  |  |  |  |  |  |  | $ 42,446 | $ 415,348 | $ 378,248
Joint venture | Arrowhead Towne Center |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Gain on sale of assets |  | $ 101,629 |  |  |  |  |  |  |  |  |  |  |
Joint venture | MAC Heitman Portfolio |  |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Gain on sale of assets | $ 340,734 |  |  |  |  |  |  |  |  |  |  |  |

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