Note 14 - Fair Value Measurements - Estimate of Fair Value Differs From Carrying Amounts (Details) - USD ($) $ in Thousands		Sep. 30, 2022	Dec. 31, 2021
Reported Value Measurement [Member]
Notes payable, net	[1],[2]	$ 6,909,382	$ 7,027,050
Reported Value Measurement [Member] | Mortgages [Member]
Mortgages payable, net	[2],[3]	300,739	448,652
Estimate of Fair Value Measurement [Member]
Notes payable, net	[1],[2]	5,869,420	7,330,723
Estimate of Fair Value Measurement [Member] | Mortgages [Member]
Mortgages payable, net	[2],[3]	$ 264,082	$ 449,758

[1] The Company determined that the valuation of its senior unsecured notes were classified within Level 2 of the fair value hierarchy and its Credit Facility was classified within Level 3 of the fair value hierarchy. The estimated fair value amounts classified as Level 2, as of September 30, 2022 and December 31, 2021, were $5.7 billion and $7.3 billion, respectively. The estimated fair value amounts classified as Level 3, as of September 30, 2022, was $126.7 million.

[2] The Company determined the estimated fair value of the Credit Facility and mortgages payable using a discounted cash flow model using a rate that reflects the average yield of similar market participants.

[3] The Company determined that its valuation of its mortgages payable were classified within Level 3 of the fair value hierarchy.