Note 14 - Variable Interest Entities (Details Textual) $ in Thousands		Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Assets	[1]	$ 19,466,379	$ 18,274,022
Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity, Number of Entities		30	30
Consolidated Operating Properties [Member]
Variable Interest Entity, Number of Entities		30	30
Consolidated Operating Properties [Member] | Variable Interest Entity, Primary Beneficiary [Member]
Assets		$ 1,700,000	$ 1,800,000
Liabilities, Current		179,000	$ 180,900
Unconsolidated Redevelopment Properties [Member]
Noncontrolling Interest in Variable Interest Entity		35,700
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount		$ 36,100

[1] Total assets include restricted assets of consolidated variable interest entities (“VIEs”) at March 31, 2024 and December 31, 2023 of $385,607 and $388,626, respectively. Total liabilities include non-recourse liabilities of consolidated VIEs at March 31, 2024 and December 31, 2023 of $178,952 and $180,855, respectively. See Footnote 14 of the Notes to Condensed Consolidated Financial Statements.