Note 23 - Incentive Plans - Performance Shares Significant Fair Value Assumptions (Details) - Performance Shares [Member] - $ / shares		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Stock price (in dollars per share)		$ 24.27	$ 17.87	$ 18.93
Dividend yield (1)	[1]	0.00%	0.00%	0.00%
Risk-free rate		1.72%	0.20%	1.42%
Volatility (2)	[2]	49.07%	48.41%	24.67%
Term of the award (Year)		2 years 10 months 13 days	2 years 10 months 9 days	2 years 10 months 17 days

[1] Total Shareholder Returns, as used in the performance share awards computation, are measured based on cumulative dividend stock prices, as such a zero percent dividend yield is utilized.

[2] Volatility is based on the annualized standard deviation of the daily logarithmic returns on dividend-adjusted closing prices over the look-back period based on the term of the award.