Note 3 - Securities (Tables)

6 Months Ended

Jun. 30, 2024

Notes Tables

Debt Securities, Available-for-Sale [Table Text Block]

(dollars in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Available-for-sale securities:
U.S. agencies	$	107,760	$	8	$	(5,658	)	$	102,110
Collateralized mortgage obligations		17,140		7		(556	)		16,591
Municipalities		312,869		977		(24,086	)		289,760
SBA pools		989		2		(2	)		989
Corporate debt		43,500		12		(3,445	)		40,067
Asset backed securities		43,921		73		(749	)		43,245
	$	526,179	$	1,079	$	(34,496	)	$	492,762

(dollars in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Available-for-sale securities:
U.S. agencies	$	84,678	$	11	$	(4,430	)	$	80,259
Collateralized mortgage obligations		9,108		0		(444	)		8,664
Municipalities		345,981		2,792		(19,865	)		328,908
SBA pools		1,394		3		(2	)		1,395
Corporate debt		47,500		9		(3,992	)		43,517
Asset backed securities		56,613		133		(1,411	)		55,335
	$	545,274	$	2,948	$	(30,144	)	$	518,078

Gain (Loss) on Securities [Table Text Block]

(dollars in thousands)			Less than 12 months					12 months or more					Total
Description of Securities	Number of Securities		Fair Value		Unrealized Loss			Fair Value		Unrealized Loss			Fair Value		Unrealized Loss
U.S. agencies		54	$	23,474	$	(430	)	$	77,087	$	(5,228	)	$	100,561	$	(5,658	)
Collateralized mortgage obligations		7		3,994		(17	)		8,125		(539	)		12,119		(556	)
Municipalities		112		45,807		(491	)		202,642		(23,595	)		248,449		(24,086	)
SBA pools		3		83		0			220		(2	)		303		(2	)
Corporate debt		11		0		0			38,055		(3,445	)		38,055		(3,445	)
Asset backed securities		16		5,506		(11	)		21,895		(738	)		27,401		(749	)
Total temporarily impaired securities		203	$	78,864	$	(949	)	$	348,024	$	(33,547	)	$	426,888	$	(34,496	)

(dollars in thousands)			Less than 12 months					12 months or more					Total
Description of Securities	Number of Securities		Fair Value		Unrealized Loss			Fair Value		Unrealized Loss			Fair Value		Unrealized Loss
U.S. agencies		51	$	190	$	(3	)	$	79,556	$	(4,427	)	$	79,746	$	(4,430	)
Collateralized mortgage obligations		6		4,791		(1	)		3,873		(443	)		8,664		(444	)
Municipalities		106		44,859		(453	)		178,812		(19,412	)		223,671		(19,865	)
SBA pools		4		116		0			472		(2	)		588		(2	)
Corporate debt		13		0		0			41,508		(3,992	)		41,508		(3,992	)
Asset backed securities		19		2,123		(8	)		32,535		(1,403	)		34,658		(1,411	)
Total temporarily impaired securities		199	$	52,079	$	(465	)	$	336,756	$	(29,679	)	$	388,835	$	(30,144	)

Investments Classified by Contractual Maturity Date [Table Text Block]

(dollars in thousands)	Amortized		Fair
	Cost		Value
Available-for-sale securities:
Due in one year or less	$	95,464	$	90,769
Due after one year through five years		131,611		127,964
Due after five years through ten years		209,142		189,543
Due after ten years		89,962		84,486
	$	526,179	$	492,762