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Real Estate Investments (Details) $ / shares in Units, shares in Thousands, $ in Thousands |  | 12 Months Ended
--- | --- | ---
Mar. 01, 2017 USD ($) property $ / shares shares | Dec. 31, 2018 USD ($) shares | Dec. 31, 2017 USD ($)
Business Acquisition [Line Items] |  |  |
Payments to Acquire Businesses, Gross |  | $ 116,239 | $ 191,384
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities |  | $ 9,700 | $ 27,000
Hewlett Crossing I & II [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Acquisition, Effective Date of Acquisition |  | Jan. 10, 2018 |
Business Acquisition, Name of Acquired Entity |  | Hewlett Crossing I & II |
Business Acquisition Location, City and State |  | Hewlett, NY |
Business Acquisition, Property type |  | Operating |
Payments to Acquire Businesses, Gross |  | $ 30,900 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities |  | $ 9,700 |
Equity One Inc. [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities | $ 1,383,291 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles | $ 458,877 |  |
Stock Issued During Period, Shares, Acquisitions | shares | 65,379 |  |
Business Acquisition, Share Price | $ / shares | $ 68.40 |  |
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable | $ 4,471,808 |  |
Business Combination, Consideration Transferred, Other Cash Payments | 721,297 |  |
Business Combination, Consideration Transferred | $ 5,193,105 |  |
Number of real estate properties acquired | property | 121 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Land | $ 2,865,053 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Buildings | 2,619,163 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Properties in Development | 68,744 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Properties Held-for-sale | 19,600 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Investments in Unconsolidated Properties | 99,666 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Real Estate Assets | 5,672,226 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets | 112,909 |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net | 332,384 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets | 6,576,396 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt | 757,399 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable | 122,217 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Liabilities | 503,675 |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net | $ 5,193,105 |  |
The Field at Commonwealth [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Acquisition, Effective Date of Acquisition |  |  | Mar. 06, 2017
Business Acquisition, Name of Acquired Entity |  |  | The Field at Commonwealth
Business Acquisition Location, City and State |  |  | Chantilly, VA
Business Acquisition, Property type |  |  | Development
Payments to Acquire Businesses, Gross |  |  | $ 9,500
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities |  |  | $ 0
Pinecrest Place [Member] [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Acquisition, Effective Date of Acquisition |  |  | Mar. 08, 2017
Business Acquisition, Name of Acquired Entity |  |  | Pinecrest Place (1)
Business Acquisition Location, City and State |  |  | Miami, FL
Business Acquisition, Property type |  |  | Development
Payments to Acquire Businesses, Gross |  |  | $ 0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities |  |  | $ 0
Mellody Farm [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Acquisition, Effective Date of Acquisition |  |  | Apr. 13, 2017
Business Acquisition, Name of Acquired Entity |  |  | Mellody Farm (2)
Business Acquisition Location, City and State |  |  | Chicago, IL
Business Acquisition, Property type |  |  | Development
Payments to Acquire Businesses, Gross |  |  | $ 26,200
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities |  |  | $ 0
Concord Outparcel [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Acquisition, Effective Date of Acquisition |  |  | Jun. 28, 2017
Business Acquisition, Name of Acquired Entity |  |  | Concord outparcel (3)
Business Acquisition Location, City and State |  |  | Miami, FL
Business Acquisition, Property type |  |  | Operating
Payments to Acquire Businesses, Gross |  |  | $ 350
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities |  |  | $ 0
Aventura Square Outparcel [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Acquisition, Effective Date of Acquisition |  |  | Jul. 20, 2017
Business Acquisition, Name of Acquired Entity |  |  | Aventura Square outparcel (4)
Business Acquisition Location, City and State |  |  | Miami, FL
Business Acquisition, Property type |  |  | Operating
Payments to Acquire Businesses, Gross |  |  | $ 1,750
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities |  |  | $ 0
Indigo Square [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Acquisition, Effective Date of Acquisition |  |  | Nov. 15, 2017
Business Acquisition, Name of Acquired Entity |  |  | Indigo Square
Business Acquisition Location, City and State |  |  | Mount Pleasant, SC
Business Acquisition, Property type |  |  | Development
Payments to Acquire Businesses, Gross |  |  | $ 3,900
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities |  |  | $ 0
Scripps Ranch Marketplace [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Acquisition, Effective Date of Acquisition |  |  | Dec. 21, 2017
Business Acquisition, Name of Acquired Entity |  |  | Scripps Ranch Marketplace
Business Acquisition Location, City and State |  |  | San Diego, CA
Business Acquisition, Property type |  |  | Operating
Payments to Acquire Businesses, Gross |  |  | $ 81,600
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities |  |  | $ 27,000
Roosevelt Square [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Acquisition, Effective Date of Acquisition |  |  | Dec. 28, 2017
Business Acquisition, Name of Acquired Entity |  |  | Roosevelt Square
Business Acquisition Location, City and State |  |  | Seattle, WA
Business Acquisition, Property type |  |  | Operating
Payments to Acquire Businesses, Gross |  |  | $ 68,084
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities |  |  | 0
Rivertowns [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Acquisition, Effective Date of Acquisition |  | Apr. 03, 2018 |
Business Acquisition, Name of Acquired Entity |  | Rivertowns Square |
Business Acquisition Location, City and State |  | Dobbs Ferry, NY |
Business Acquisition, Property type |  | Operating |
Payments to Acquire Businesses, Gross |  | $ 68,933 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities |  | $ 0 |
Pablo Plaza [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Acquisition, Effective Date of Acquisition |  | Dec. 14, 2018 |
Business Acquisition, Name of Acquired Entity |  | Pablo Plaza (1) |
Business Acquisition Location, City and State |  | Jacksonville, FL |
Business Acquisition, Property type |  | Operating |
Payments to Acquire Businesses, Gross |  | $ 1,310 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities |  | $ 0 |
Village at Hunter's Lake [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Acquisition, Effective Date of Acquisition |  | Dec. 27, 2018 |
Business Acquisition, Name of Acquired Entity |  | The Village at Hunter's Lake |
Business Acquisition Location, City and State |  | Tampa, FL |
Business Acquisition, Property type |  | Development |
Payments to Acquire Businesses, Gross |  | $ 1,812 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities |  | $ 0 |
Carytown Exchange [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Acquisition, Effective Date of Acquisition |  | Dec. 31, 2018 |
Business Acquisition, Name of Acquired Entity |  | Carytown Exchange (2) |
Business Acquisition Location, City and State |  | Richmond, VA |
Business Acquisition, Property type |  | Development |
Payments to Acquire Businesses, Gross |  | $ 13,284 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities |  | 0 |
Partially Owned Properties [Member] | Equity One Inc. [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Number of real estate properties acquired | property | 8 |  |
Off-Market Favorable Lease [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  | 8,371 | 8,929
Off-Market Favorable Lease [Member] | Hewlett Crossing I & II [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  | 3,114 |
Off-Market Favorable Lease [Member] | The Field at Commonwealth [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  | 0
Off-Market Favorable Lease [Member] | Pinecrest Place [Member] [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  | 0
Off-Market Favorable Lease [Member] | Mellody Farm [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  | 0
Off-Market Favorable Lease [Member] | Concord Outparcel [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  | 0
Off-Market Favorable Lease [Member] | Aventura Square Outparcel [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  | 90
Off-Market Favorable Lease [Member] | Indigo Square [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  | 0
Off-Market Favorable Lease [Member] | Scripps Ranch Marketplace [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  | 4,997
Off-Market Favorable Lease [Member] | Roosevelt Square [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  | 3,842
Off-Market Favorable Lease [Member] | Rivertowns [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  | 4,993 |
Off-Market Favorable Lease [Member] | Pablo Plaza [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  | 0 |
Off-Market Favorable Lease [Member] | Village at Hunter's Lake [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  | 0 |
Off-Market Favorable Lease [Member] | Carytown Exchange [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  | $ 264 |
Parent Company [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Conversion of Stock, Conversion Ratio |  | 0.45 |
Stock Issued During Period, Shares, Acquisitions | shares |  | 65,500 |
Off-Market Lease, Unfavorable [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  | $ 7,422 | 17,562
Off-Market Lease, Unfavorable [Member] | Hewlett Crossing I & II [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  | 1,868 |
Off-Market Lease, Unfavorable [Member] | The Field at Commonwealth [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  | 0
Off-Market Lease, Unfavorable [Member] | Pinecrest Place [Member] [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  | 0
Off-Market Lease, Unfavorable [Member] | Mellody Farm [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  | 0
Off-Market Lease, Unfavorable [Member] | Concord Outparcel [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  | 0
Off-Market Lease, Unfavorable [Member] | Aventura Square Outparcel [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  | 9
Off-Market Lease, Unfavorable [Member] | Indigo Square [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  | 0
Off-Market Lease, Unfavorable [Member] | Scripps Ranch Marketplace [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  | 9,551
Off-Market Lease, Unfavorable [Member] | Roosevelt Square [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  | $ 8,002
Off-Market Lease, Unfavorable [Member] | Rivertowns [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  | 5,554 |
Off-Market Lease, Unfavorable [Member] | Pablo Plaza [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  | 0 |
Off-Market Lease, Unfavorable [Member] | Village at Hunter's Lake [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  | 0 |
Off-Market Lease, Unfavorable [Member] | Carytown Exchange [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  | $ 0 |

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