Note 16 - Pension and Other Benefits - Schedule of Allocation of Plan Assets (Details) - Pension Plan [Member]	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Target Allocation	100.00%
Actual Allocation	100.00%	100.00%
Expected long-term return on plan assets	6.50%	5.50%	5.50%
Defined Benefit Plan, Equity Securities, US [Member]
Target Allocation	45.00%
Actual Allocation	58.00%	59.00%
Expected long-term return on plan assets	4.50%
Defined Benefit Plan, Equity Securities, Non-US [Member]
Target Allocation	15.00%
Actual Allocation	4.00%	5.00%
Expected long-term return on plan assets	0.40%
Debt And/Or Fixed Income Securities [Member]
Target Allocation	38.00%
Actual Allocation	35.00%	34.00%
Expected long-term return on plan assets	1.50%
Cash and Other Alternative Investments [Member]
Target Allocation	2.00%
Actual Allocation	3.00%	2.00%
Expected long-term return on plan assets	0.10%