Note 24 - Defined Benefit Plans - Fair Value of Plan Assets, Defined Benefit Plan (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Fair value of plan assets	$ 40,586	$ 43,653	$ 74,025
Asset allocation	100.00%	100.00%
Defined Benefit Plan, Cash [Member]
Fair value of plan assets	$ 40,586	$ 26,246
Asset allocation	100.00%	60.10%
Large Company Funds [Member]
Fair value of plan assets	$ 0	$ 7,130
Asset allocation	0.00%	16.30%
Mid Company Funds [Member]
Fair value of plan assets	$ 0	$ 662
Asset allocation	0.00%	1.50%
Small Company Funds [Member]
Fair value of plan assets	$ 0	$ 1,958
Asset allocation	0.00%	4.50%
International Funds [Member]
Fair value of plan assets	$ 0	$ 1,972
Asset allocation	0.00%	4.50%
Fixed Income Funds [Member]
Fair value of plan assets	$ 0	$ 4,260
Asset allocation	0.00%	9.80%
Growth Funds [Member]
Fair value of plan assets	$ 0	$ 1,425
Asset allocation	0.00%	3.30%