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Note 18 - Preferred Stock, Common Stock and Convertible Unit Transactions (Details Textual) $ / shares in Units, $ in Thousands |  |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Aug. 03, 2021 shares | Jul. 15, 2021 shares | Apr. 15, 2021 shares | Sep. 30, 2019 USD ($) $ / shares | Dec. 31, 2021 USD ($) $ / shares shares | Dec. 31, 2020 USD ($) $ / shares shares | Dec. 31, 2019 shares
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares |  |  |  |  | $ 0.01 | $ 0.01 |
Stock Repurchased During Period, Shares (in shares) | shares |  |  |  |  | 1,084,953 | 294,346 | 223,609
Stockholders' Equity Attributable to Noncontrolling Interest, Ending Balance |  |  |  |  | $ 210,793 | $ 62,210 |
Partners' Capital Account, Units, Converted (in shares) | shares |  |  |  |  | 2,600,000 |  |
Share Repurchase Program [Member] |  |  |  |  |  |  |
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares |  |  |  |  | $ 0.01 |  |
Stock Repurchase Program, Authorized Amount |  |  |  |  | $ 300,000 |  |
Stock Repurchased During Period, Shares (in shares) | shares |  |  |  |  | 0 | 0 |
Stock Repurchase Program, Remaining Authorized Repurchase Amount |  |  |  |  | $ 224,900 |  |
Weingarten Realty Investors [Member] |  |  |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Per Each Acquired Company Share (in shares) | shares | 1.408 | 1.408 | 1.408 |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares) | shares | 179,919,880 |  |  |  |  |  |
ATM Program [Member] |  |  |  |  |  |  |
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares |  |  |  | $ 0.01 |  |  |
Maximum Aggregate Sales Price |  |  |  | $ 500,000 |  |  |
Stock Issued During Period, Shares, New Issues (in shares) | shares |  |  |  |  | 3,500,000 |  |
Proceeds from Issuance of Common Stock, Net |  |  |  |  | $ 76,900 |  |
Common Stock Available for Issuance, Value |  |  |  |  | $ 422,400 |  |
Series I, J, K, L or M Preferred Stock [Member] |  |  |  |  |  |  |
Number of Votes |  |  |  |  | 1,000 |  |
Number of Proxies |  |  |  |  | 1,000 |  |
Number of Votes, Depositary |  |  |  |  | 1 |  |
Series I Preferred Stock [Member] |  |  |  |  |  |  |
Preferred Stock, Liquidation Preference Per Share (in dollars per share) | $ / shares |  |  |  |  | $ 25,000 |  |
Series J Preferred Stock [Member] |  |  |  |  |  |  |
Preferred Stock, Liquidation Preference Per Share (in dollars per share) | $ / shares |  |  |  |  | 25,000 |  |
Depositary Share [Member] |  |  |  |  |  |  |
Preferred Stock, Liquidation Preference Per Share (in dollars per share) | $ / shares |  |  |  |  | $ 25.00 |  |
Convertible Units [Member] |  |  |  |  |  |  |
Stockholders' Equity Attributable to Noncontrolling Interest, Ending Balance |  |  |  |  | $ 60,900 |  |

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