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