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The amount of debt that an Entity assumes in acquiring a business or in consideration for an asset received in a noncash (or part noncash) acquisition. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The cash outflow to repay long-term debt that is not secured by collateral. Excludes repayments of tax exempt unsecured debt.

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Notes Payable and Unsecured Credit Facilities Narrative (Details)			1 Months Ended
	Mar. 01, 2017 USD ($) tranche	Feb. 16, 2017 USD ($)	Mar. 31, 2017 USD ($)	Jan. 31, 2017 USD ($)
Debt Instrument [Line Items]
2017			$ 84,335,000
Senior Notes [Member] \| Notes Due February 1, 2047 [Member]
Debt Instrument [Line Items]
Face amount				$ 300,000,000
Stated rate				4.40%
Discount percent				0.9911
Term Loans [Member] \| Notes Due December 2, 2020 [Member]
Debt Instrument [Line Items]
Face amount	$ 300,000,000
Interest rate floor	1.824%
Series 6 [Member]
Debt Instrument [Line Items]
Preferred Stock, Redemption Value		$ 250,000,000
Preferred Stock, Dividend Rate, Percentage		6.625%
Equity One Inc. [Member] \| Senior Notes [Member] \| Notes Due 2027 [Member]
Debt Instrument [Line Items]
Face amount				$ 350,000,000.0
Stated rate				3.60%
Discount percent				0.99741
Equity One Inc. [Member] \| Senior Notes [Member] \| Notes Maturing 2022 [Member]
Debt Instrument [Line Items]
Stated rate	3.75%
Debt assumed in acquisition	$ 300,000,000
Equity One Inc. [Member] \| Senior Notes [Member] \| Private Placement Notes Maturing 2026 [Member]
Debt Instrument [Line Items]
Debt assumed in acquisition	$ 200,000,000
Number of tranches \| tranche	2
Tranche value	$ 100,000,000
Equity One Inc. [Member] \| Term Loans [Member] \| Equity One Term Loan [Member]
Debt Instrument [Line Items]
Debt repaid			250,000,000
Equity One Inc. [Member] \| Term Loans [Member] \| Equity One Term Loan [Member]
Debt Instrument [Line Items]
Debt repaid			300,000,000
Equity One Inc. [Member] \| Mortgages [Member] \| Fixed Rate Mortgage Loans [Member]
Debt Instrument [Line Items]
Debt assumed in acquisition	226,300,000
Equity One Inc. [Member] \| Mortgages [Member] \| Variable Rate Mortgage Loans [Member]
Debt Instrument [Line Items]
Debt assumed in acquisition	$ 27,800,000
Accordion Feature [Member] \| Equity One Inc. [Member]
Debt Instrument [Line Items]
Increase in borrowing capacity			1,000,000,000
Maximum borrowing capacity			500,000,000
Tranche One [Member] \| Equity One Inc. [Member] \| Senior Notes [Member] \| Private Placement Notes Maturing 2026 [Member]
Debt Instrument [Line Items]
Stated rate	3.81%
Tranche Two [Member] \| Equity One Inc. [Member] \| Senior Notes [Member] \| Private Placement Notes Maturing 2026 [Member]
Debt Instrument [Line Items]
Stated rate	3.91%
Mortgage Loan Maturities [Member] \| Mortgages [Member]
Debt Instrument [Line Items]
2017			$ 75,511,000
Minimum [Member] \| Equity One Inc. [Member] \| Mortgages [Member] \| Fixed Rate Mortgage Loans [Member]
Debt Instrument [Line Items]
Stated rate	3.76%
Maximum [Member] \| Equity One Inc. [Member] \| Mortgages [Member] \| Fixed Rate Mortgage Loans [Member]
Debt Instrument [Line Items]
Stated rate	7.94%