Note 14 - Leases - Maturity Analysis of Operating Lease Liability Obligations (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021	Sep. 30, 2021
Within one year	$ 2,135		$ 2,102
One to three years	15,717		15,755
Three to five years	14,123		14,960
More than five years	80,240		85,180
Total undiscounted cash flows	112,215		117,997
Discount on cash flows	(32,595)		(34,614)
Total operating lease liability obligations	$ 79,620	$ 81,770	$ 83,383