Note 9 - Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Net income	$ 7,723	$ 2,521	$ 19,813	$ 17,887
Less: Net income attributable to noncontrolling interests	(99)	(35)	(257)	(248)
Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares	$ 7,624	$ 2,486	$ 19,556	$ 17,639
Basic (in shares)	50,297	49,534	50,067	49,472
Unvested restricted shares (in shares)	1,008	1,103	1,039	927
Weighted average number of common shares - dilutive (in shares)	51,305	50,637	51,106	50,399
Net income attributable to common shareholders excluding amounts attributable to unvested restricted shares (in dollars per share)	$ 0.15	$ 0.05	$ 0.39	$ 0.36
Net income attributable to common shareholders, excluding amounts attributable to unvested restricted shares (in dollars per share)	$ 0.15	$ 0.05	$ 0.38	$ 0.35