Note 19 - Post-retirement Benefits - Information for Pension Plan with Accumulated Benefit Obligation in Excess of Plan Assets (Details) - UNITED KINGDOM - Pension Plan [Member] - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Accumulated benefit obligation	$ 134,102	$ 240,644
Fair value of plan assets	$ 123,840	$ 212,688