Note 19 - Earnings Per Common Share - Computations of Basic and Diluted Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Net income (loss)		$ 27,642	$ 47,066	$ (47,090)
Net loss (income) attributable to noncontrolling interests		378	(155)	4,803
Net income (loss) attributable to shareholders		$ 28,020	$ 46,911	$ (42,287)
Basic weighted average number of common shares outstanding (1) (in shares)	[1]	15,471	17,840	19,318
Basic earnings (loss) per share (in dollars per share)		$ 1.81	$ 2.63	$ (2.19)
Net income (loss) available to shareholders		$ 28,020	$ 46,911	$ (42,287)
Effect of dilutive restricted stock awards (in shares)		37	0	0
Diluted weighted average number of common shares outstanding (in shares)	[1]	15,508	17,840	19,318
Diluted earnings (loss) per share (in dollars per share)		$ 1.81	$ 2.63	$ (2.19)

[1] For periods prior to the spin-off on September 30, 2020, the number of shares is based on the shares issued in connection with the spin-off. See Note 1 for further discussion.