Note 15 - Noncontrolling Interests and Redeemable Noncontrolling Interests - Redemption Value of the Redeemable Noncontrolling Interests (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Balance		$ 92,933	$ 13,480
Fair value allocation to unitholders/partnership interest (1)	[1]	0	79,663
Income		5,820	1,770
Distributions		(5,820)	(1,771)
Redemption/conversion of noncontrolling interests (1)		(21,070)	(209)
Adjustment to estimated redemption value		414	0	$ (2,304)
Balance		$ 72,277	$ 92,933	$ 13,480

[1] Relates to Preferred and Common Outside Partner Units, which were issued during 2022 and partially redeemed during 2023 described above.