Real Estate Investments Total Purchase Price (Details) - Equity One Inc. [Member] $ / shares in Units, shares in Thousands, $ in Thousands	Mar. 01, 2017 USD ($) $ / shares shares
Business Acquisition [Line Items]
Shares of common stock issued for merger (in shares) \| shares	65,379
Closing stock price (in usd per share) \| $ / shares	$ 68.40
Value of common stock issued for merger	$ 4,471,808
Other cash payments	721,297
Total purchase price	$ 5,193,105

Business Combination, Consideration Transferred, Other Cash Payments

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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Number of shares of stock issued during the period pursuant to acquisitions.

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