Note 9 - Derivative Financial Instruments - Statement of Operations Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Derivative financial instruments	$ 941	$ 6,031	$ 2,298	$ 24,323
TBA and Other Forward MBS [Member]
Derivative financial instruments	806	421	2,163	3,024
Equity Derivatives [Member]
Derivative financial instruments	135	(804)	135	(1,447)
Share Forward Liabilities [Member]
Derivative financial instruments	$ 0	$ 6,414	$ 0	$ 22,746