Note 4 - Repurchase Agreements and Reverse Purchase Agreements (Tables)

12 Months Ended

Dec. 31, 2025

Notes Tables

Schedule of Repurchase Agreements [Table Text Block]

($ in thousands)
	OVERNIGHT		BETWEEN 2			BETWEEN 31			GREATER
	(1 DAY OR		AND			AND			THAN
	LESS)		30 DAYS			90 DAYS			90 DAYS			TOTAL
December 31, 2025
Fair market value of securities pledged, including accrued interest receivable	$	-	$	6,821,306		$	3,445,678		$	284,296		$	10,551,280
Repurchase agreement liabilities associated with these securities	$	-	$	6,544,072		$	3,297,567		$	273,827		$	10,115,466
Net weighted average borrowing rate		-		4.00	%		3.96	%		3.92	%		3.98	%
December 31, 2024
Fair market value of securities pledged, including accrued interest receivable	$	-	$	4,850,491		$	199,993		$	181,437		$	5,231,921
Repurchase agreement liabilities associated with these securities	$	-	$	4,656,303		$	192,338		$	176,902		$	5,025,543
Net weighted average borrowing rate		-		4.66	%		4.56	%		4.76	%		4.66	%