Note 2 - Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Prior Period Adjustments (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Changes in Accounts payable, accrued expenses and other liabilities	$ 2,005	$ (1,991)
Net cash used in operating activities	(5,731)	(24,304)
Payments for cost of construction	(24,527)	(20,739)
Net cash used in investing activities	(16,431)	$ (189,312)
Previously Reported [Member]
Changes in Accounts payable, accrued expenses and other liabilities	(1,367)
Net cash used in operating activities	(9,103)
Payments for cost of construction	(21,155)
Net cash used in investing activities	(13,059)
Revision of Prior Period, Adjustment [Member]
Changes in Accounts payable, accrued expenses and other liabilities	3,372
Net cash used in operating activities	3,372
Payments for cost of construction	(3,372)
Net cash used in investing activities	$ (3,372)