Note 22 - Incentive Plans - Restricted Stock Activity (Details) - Restricted Stock [Member] - shares		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Restricted stock outstanding as of January 1, (in shares)		2,605,970	2,347,608	2,394,825
Granted (1) (in shares)	[1]	893,880	819,090	754,560
Vested (in shares)		(740,866)	(511,772)	(759,665)
Forfeited (in shares)		(12,868)	(48,956)	(42,112)
Restricted stock outstanding as of December 31, (in shares)		2,746,116	2,605,970	2,347,608

[1] The weighted-average grant date fair value for restricted stock issued during the years ended December 31, 2023, 2022 and 2021 were $21.30, $24.27 and $17.81, respectively.