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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
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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

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