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Business Combinations (Unaudited Pro forma Information) (Details) - Parent Company [Member] - Post [Member] [Domain] $ in Thousands | Dec. 01, 2016 USD ($)
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Business Acquisition [Line Items] |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets | $ 4,743,341
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities | 732,442
Business Acquisition, Cost of Entity Acquired, Purchase Price | 4,000,000
Land [Member] |
Business Acquisition [Line Items] |
Business Acquisition, PPA, Assets Acquired | 875,332
Building and Building Improvements [Member] |
Business Acquisition [Line Items] |
Business Acquisition, PPA, Assets Acquired | 3,397,496
Furniture Fixtures And Equipment [Member] |
Business Acquisition [Line Items] |
Business Acquisition, PPA, Assets Acquired | 81,243
Construction in Progress [Member] |
Business Acquisition [Line Items] |
Business Acquisition, PPA, Assets Acquired | 183,881
Unimproved Land [Member] |
Business Acquisition [Line Items] |
Business Acquisition, PPA, Assets Acquired | 24,200
Disposal Group, Held-for-sale, Not Discontinued Operations [Member] |
Business Acquisition [Line Items] |
Business Acquisition, PPA, Assets Acquired | 3,610
Real Estate Investment [Member] |
Business Acquisition [Line Items] |
Business Acquisition, PPA, Assets Acquired | 44,435
Finite-Lived Intangible Assets, Major Class Name [Domain] |
Business Acquisition [Line Items] |
Business Acquisition, PPA, Assets Acquired | 53,192
Cash and Cash Equivalents [Member] |
Business Acquisition [Line Items] |
Business Acquisition, PPA, Assets Acquired | 34,292
Restricted Cash [Member] |
Business Acquisition [Line Items] |
Business Acquisition, PPA, Assets Acquired | 3,608
Other Assets [Member] |
Business Acquisition [Line Items] |
Business Acquisition, PPA, Assets Acquired | 42,052
Debt [Member] |
Business Acquisition [Line Items] |
Business Acquisition, PPA, Liabilities Assumed | (595,609)
Interest Rate Cash Flow Hedge Liability at Fair Value [Domain] |
Business Acquisition [Line Items] |
Business Acquisition, PPA, Liabilities Assumed | (2,118)
Other Current Liabilities [Member] |
Business Acquisition [Line Items] |
Business Acquisition, PPA, Assets Acquired | (1,661)
Other Liabilities [Member] |
Business Acquisition [Line Items] |
Business Acquisition, PPA, Liabilities Assumed | (133,054)
Noncontrolling Interest [Member] |
Business Acquisition [Line Items] |
Business Acquisition, PPA, Liabilities Assumed | $ (2,306)

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