Note 17 - Fair Value Disclosure of Financial Instruments (Details Textual) $ in Thousands		12 Months Ended
		Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Property [Member]
Tangible Asset Impairment Charges, Total		$ 14,000
Estimate of Fair Value Measurement [Member]
Notes Payable, Fair Value Disclosure	[1]	6,671,450	$ 5,837,401
Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member]
Notes Payable, Fair Value Disclosure		6,700,000	5,800,000
Deferred Costs		$ 65,000	$ 66,400
Fair Value, Inputs, Level 3 [Member] | Measurement Input, Discount Rate [Member]
Embedded Derivative Liability, Measurement Input		0.064	0.08
Fair Value, Inputs, Level 3 [Member] | Estimate of Fair Value Measurement [Member]
Deferred Costs		$ 1,200	$ 1,700

[1] The Company determined that the valuation of its mortgage and other financing receivables were classified within Level 3 of the fair value hierarchy.