Note 6 - Leases - Balance Sheet Information (Details) (Parentheticals) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Assets [Abstract]
Other Assets, Noncurrent	$ 183,866	$ 211,277
Liabilities, Current [Abstract]
Accrued Liabilities, Current	131,348	115,791
Liabilities, Noncurrent [Abstract]
Other Liabilities, Noncurrent	$ 96,675	$ 88,655
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other Assets, Noncurrent	Other Assets, Noncurrent
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued Liabilities, Current	Accrued Liabilities, Current
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Noncurrent	Other Liabilities, Noncurrent