Note 6 - Leases - Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Operating lease right-of-use assets, net	$ 172,146	$ 1,474
Current lease liabilities	3,379	1,093
Non-current leases	146,338	465
Lease liabilities	149,717	1,558
Office Leases [Member]
Operating lease right-of-use assets, net	14,263	1,474
Current lease liabilities	856	1,093
Non-current leases	13,782	465
Land Lease [Member]
Operating lease right-of-use assets, net	157,883	0
Current lease liabilities	2,523	0
Non-current leases	$ 132,556	$ 0