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

3 Months Ended

Mar. 31, 2026

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
March 31, 2026
Fair value of securities pledged, including accrued interest receivable	$	-	$	6,444,148		$	3,662,811		$	1,204,024		$	11,310,983
Repurchase agreement liabilities associated with these securities	$	-	$	6,180,946		$	3,529,429		$	1,154,348		$	10,864,723
Net weighted average borrowing rate		-		3.79	%		3.78	%		3.82	%		3.79	%
December 31, 2025
Fair 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	%