Note 16 - Variable Interest Entities ("VIE") (Details Textual) $ in Thousands		Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Assets	[1]	$ 18,274,022	$ 17,826,122
Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity, Number of Entities		30	32
Consolidated Operating Properties [Member]
Variable Interest Entity, Number of Entities		30	32
Consolidated Operating Properties [Member] | Variable Interest Entity, Primary Beneficiary [Member]
Assets		$ 1,800,000	$ 1,800,000
Liabilities, Current		180,900	$ 199,100
Unconsolidated Redevelopment Properties [Member]
Noncontrolling Interest in Variable Interest Entity		33,300
Unconsolidated Redevelopment Properties [Member] | Maximum [Member]
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount		$ 35,700

[1] Includes restricted assets of consolidated variable interest entities (“VIEs”) at December 31, 2023 and 2022 of $388,620 and $436,605, respectively. See Footnote 16 of the Notes to Consolidated Financial Statements.