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Note 16 - Noncontrolling Interests and Redeemable Noncontrolling Interests (Details Textual) $ / shares in Units, $ in Thousands |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Aug. 03, 2021 USD ($) shares | Jun. 30, 2021 USD ($) | Jan. 31, 2021 USD ($) | Dec. 31, 2022 USD ($) shares | Dec. 31, 2021 USD ($) shares | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) shares | Dec. 31, 2018 USD ($) shares | Dec. 31, 2007 USD ($) shares | Dec. 31, 2006 USD ($) $ / shares shares
Noncontrolling Interest, Increase from Subsidiary Equity Issuance |  |  |  |  | $ 891 |  | $ 149 |  |  |  |
Redeemable Noncontrolling Interest, Equity, Carrying Amount, Total |  |  |  |  | 92,933 | $ 13,480 | 15,784 |  |  |  |
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests |  |  |  |  | 209 | (0) |  |  |  |  |
Proceeds from Sale of Property Held-for-sale |  |  |  |  | 184,294 | 302,841 | 30,545 |  |  |  |
Asset Impairment Charges, Total |  |  |  |  | 21,958 | 3,597 | $ 6,624 |  |  |  |
Asset Acquisition, Consideration Transferred, Total |  |  |  |  | $ 524,892 | $ 896,707 |  |  |  |  |
Number of Properties Sold | [1] |  |  |  | 9 | 13 | 3 |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration | [1] |  |  |  | $ 191,100 | $ 612,400 | $ 31,800 |  |  |  |
Measurement Input, Cap Rate [Member] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Fair Value, Measurement Input |  |  |  |  |  | 0.0550 |  |  |  |  |
Measurement Input, Discount Rate [Member] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Fair Value, Measurement Input |  |  |  |  |  | 0.0650 |  |  |  |  |
KIM RDC, LLC [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Operating Properties [Member] |  |  |  |  |  |  |  |  |  |  |
Asset Acquisition, Consideration Transferred, Total |  |  |  | $ 104,000 |  |  |  |  |  |  |
Disposal of Two Operating Properties [Member] | Discontinued Operations, Disposed of by Sale [Member] | KIM RDC, LLC [Member] | Variable Interest Entity, Primary Beneficiary [Member] |  |  |  |  |  |  |  |  |  |  |
Number of Properties Sold |  |  | 2 |  |  |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration |  |  | $ 108,000 |  |  |  |  |  |  |  |
Disposal of Two Operating Properties [Member] | Discontinued Operations, Disposed of by Sale [Member] | KPR [Member] |  |  |  |  |  |  |  |  |  |  |
Distribution Made to Limited Partner, Cash Distributions Paid |  |  | $ 2,100 |  |  |  |  |  |  |  |
Properties Held in Consolidated Joint Venture [Member] |  |  |  |  |  |  |  |  |  |  |
Number of Properties Held in Consolidated Joint Venture |  |  |  |  | 5 |  |  |  |  |  |
Asset Impairment Charges, Total |  |  |  |  | $ 19,000 |  |  |  |  |  |
Noncontrolling Interest, Impairment Shares Amount |  |  |  |  | 15,800 |  |  |  |  |  |
Properties Held in Consolidated Joint Venture [Member] | Disposal Of Five Operating Properties [Member] | Discontinued Operations, Disposed of by Sale [Member] |  |  |  |  |  |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Financing Liabilities |  |  |  |  | 42,800 |  |  |  |  |  |
Proceeds from Sale of Property Held-for-sale |  |  |  |  | 105,500 |  |  |  |  |  |
Noncontrolling Interests, Amount Received from Disposal of Properties |  |  |  |  | $ 50,300 |  |  |  |  |  |
Consolidated Joint Ventures Structured as DownREIT Partnerships [Member] |  |  |  |  |  |  |  |  |  |  |
Non-controlling Interest, Units Redeemed (in shares) | shares |  |  |  |  | 73,286 | 73,466 |  |  |  |  |
Non-controlling Interest, Cumulative Par Value |  |  |  |  | $ 1,700 | $ 1,700 |  |  |  |  |
Stock Issued During Period, Shares, Redemption/ Conversion of Noncontrolling Interests (in shares) | shares |  |  |  |  | 73,286 | 73,466 |  |  |  |  |
Consolidated Joint Venture [Member] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent |  |  |  |  | 15.00% |  |  |  |  |  |
Joint Venture with KP Lancewood [Member] | KIM RDC, LLC [Member] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent |  |  |  | 100.00% |  |  |  |  |  |  |
Weingarten Realty Investors [Member] | Consolidated Joint Ventures Structured as DownREIT Partnerships [Member] |  |  |  |  |  |  |  |  |  |  |
Redeemable Units to Company Common Stock, Ratio |  | 1 |  |  |  |  |  |  |  |  |
Number of Operating Properties Acquired |  | 2 |  |  |  |  |  |  |  |  |
Redeemable Noncontrolling Interest, Equity, Fair Value, Total |  | $ 41,700 |  |  |  |  |  |  |  |  |
Weingarten Realty Investors [Member] | Raleigh Limited Partnership [Member] |  |  |  |  |  |  |  |  |  |  |
Non-controlling Interest, Units (in shares) | shares |  | 1,813,615 |  |  |  |  |  |  |  |  |
Weingarten Realty Investors [Member] | Madison Village Limited Partnership [Member] |  |  |  |  |  |  |  |  |  |  |
Non-controlling Interest, Units (in shares) | shares |  | 174,411 |  |  |  |  |  |  |  |  |
Weingarten Realty Investors [Member] | Consolidated Joint Ventures Other than DownREIT Partnerships [Member] |  |  |  |  |  |  |  |  |  |  |
Number of Operating Properties Acquired |  | 8 |  |  |  |  |  |  |  |  |
Redeemable Noncontrolling Interest, Equity, Fair Value, Total |  |  |  |  | $ 38,600 | $ 40,100 |  |  |  |  |
Noncontrolling Interest in Joint Ventures |  | $ 132,300 |  |  |  |  |  |  |  |  |
Convertible Units [Member] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Increase from Subsidiary Equity Issuance |  |  |  |  |  |  |  |  |  |  | $ 5,300
Non-controlling Interest, Units (in shares) | shares |  |  |  |  |  |  |  |  |  |  | 138,015
Convertible Units [Member] | Fair Market Value Adjustments [Member] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Increase from Subsidiary Equity Issuance |  |  |  |  |  |  |  |  |  |  | $ 300
Capital Units, Class B [Member] |  |  |  |  |  |  |  |  |  |  |
Redeemable Noncontrolling Interest, Equity, Carrying Amount, Total |  |  |  |  | 16,100 | 16,100 |  |  |  |  |
Non-controlling Interest, Units Issued (in shares) | shares |  |  |  |  |  |  |  |  |  |  | 647,758
Non-controlling Interest, Par Value (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  | $ 37.24
Redeemable Units to Company Common Stock, Ratio |  |  |  |  |  |  |  |  |  |  | 1
Non-controlling Interest, Units Redeemed (in shares) | shares |  |  |  |  |  |  |  | 188,951 | 25,970 | 30,000 |
Non-controlling Interest, Cumulative Par Value |  |  |  |  |  |  |  | $ 8,000 | $ 1,100 | $ 1,100 |
Cash Paid to Noncontrolling Interests to Settle Capital Units |  |  |  |  |  |  |  | $ 4,000 | $ 500 |  |
Noncontrolling Interest [Member] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Increase from Subsidiary Equity Issuance |  |  |  |  | 891 |  | 149 |  |  |  |
Noncontrolling Interest [Member] | Consolidated Joint Ventures Structured as DownREIT Partnerships [Member] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests |  |  |  |  | 1,500 | 1,500 |  |  |  |  |
Additional Paid-in Capital [Member] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Increase from Subsidiary Equity Issuance |  |  |  |  | 0 |  | $ 0 |  |  |  |
Additional Paid-in Capital [Member] | Consolidated Joint Ventures Structured as DownREIT Partnerships [Member] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests |  |  |  |  | $ 1,500 | 1,500 |  |  |  |  |
PUERTO RICO |  |  |  |  |  |  |  |  |  |  |
Number of Real Estate Properties |  |  |  |  | 7 |  |  |  |  |  |
Noncontrolling Interest, Increase from Subsidiary Equity Issuance |  |  |  |  | $ 233,000 |  |  |  |  |  |
Redeemable Noncontrolling Interest, Equity, Carrying Amount, Total |  |  |  |  | 4,700 | $ 5,200 |  |  |  |  |
PUERTO RICO | Fair Market Value Adjustments [Member] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Increase from Subsidiary Equity Issuance |  |  |  |  | 15,100 |  |  |  |  |  |
PUERTO RICO | Non-convertible Units [Member] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Increase from Subsidiary Equity Issuance |  |  |  |  | 158,600 |  |  |  |  |  |
PUERTO RICO | Convertible Units [Member] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Increase from Subsidiary Equity Issuance |  |  |  |  | 45,800 |  |  |  |  |  |
PUERTO RICO | Premiums [Member] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Increase from Subsidiary Equity Issuance |  |  |  |  | $ 13,500 |  |  |  |  |  |
Long Island, NY [Member] |  |  |  |  |  |  |  |  |  |  |
Number of Real Estate Properties |  |  |  |  | 8 |  |  |  |  |  |
Noncontrolling Interest, Increase from Subsidiary Equity Issuance |  |  |  |  | $ 135,700 |  |  |  |  |  |
Embedded Derivative, Fair Value of Embedded Derivative Liability |  |  |  |  | 56,000 |  |  |  |  |  |
Long Island, NY [Member] | Noncontrolling Interest [Member] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Increase from Subsidiary Equity Issuance |  |  |  |  | 79,700 |  |  |  |  |  |
Long Island, NY [Member] | Preferred Units [Member] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Increase from Subsidiary Equity Issuance |  |  |  |  | 122,100 |  |  |  |  |  |
Long Island, NY [Member] | Common Units [Member] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Increase from Subsidiary Equity Issuance |  |  |  |  | $ 13,600 |  |  |  |  |  |
[1] | During 2021, the Company purchased its partner’s 70.0% remaining interest in Jamestown Portfolio, which is comprised of six property interests. The Company then entered into a joint venture with Blackstone Real Estate Income Trust, Inc. ("BREIT") in which it contributed these six properties for a gross sales price of $425.8 million, including $170.0 million of non-recourse mortgage debt. As a result, the Company no longer consolidates these six property interests and recognized a loss on change in control of interests of $0.4 million. The Company has a 50.0% investment in this joint venture ($130.1 million as of the date of deconsolidation), included in Investments in and advances to real estate joint ventures on the Company’s Consolidated Balance Sheets.

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