Note 2 - Investment Securities (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

Marketable Securities [Table Text Block]

			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
(In thousands)	Cost		Gains		Losses		Value
September 30, 2022
Securities available for sale:
Agency mortgage-backed securities	$	98,891	$	-	$	12,182	$	86,709
Agency CMO		7,602		-		370		7,232
Other debt securities:
Agency notes and bonds		150,716		-		13,369		137,347
Treasury notes and bonds		83,528		-		4,107		79,421
Municipal obligations		167,210		15		22,655		144,570
Total securities available for sale	$	507,947	$	15	$	52,683	$	455,279
Securities held to maturity:
Other debt securities:
Corporate notes	$	7,000	$	-	$	1,382	$	5,618
Total securities held to maturity	$	7,000	$	-	$	1,382	$	5,618
December 31, 2021
Securities available for sale:
Agency mortgage-backed securities	$	102,767	$	604	$	635	$	102,736
Agency CMO		7,863		98		-		7,961
Other debt securities:
Agency notes and bonds		130,641		489		2,034		129,096
Treasury notes and bonds		50,339		-		545		49,794
Municipal obligations		153,610		4,721		583		157,748
Total securities available for sale	$	445,220	$	5,912	$	3,797	$	447,335
Securities held to maturity:
Other debt securities:
Corporate notes	$	2,000	$	4	$	-	$	2,004
Total securities held to maturity	$	2,000	$	4	$	-	$	2,004

Investments Classified by Contractual Maturity Date [Table Text Block]

	Securities Available for Sale				Securities Held to Maturity
	Amortized		Fair		Amortized		Fair
	Cost		Value		Cost		Value
(In thousands)
Due in one year or less	$	16,194	$	15,800	$	-	$	-
Due after one year through five years		237,878		220,169		-		-
Due after five years through ten years		43,996		40,360		2,000		1,608
Due after ten years		103,386		85,009		5,000		4,010
		401,454		361,338		7,000		5,618
Mortgage-backed securities and CMO		106,493		93,941		-		-
	$	507,947	$	455,279	$	7,000	$	5,618

Schedule of Unrealized Loss on Investments [Table Text Block]

	Number of				Gross
	Investment		Fair		Unrealized
	Positions		Value		Losses
(Dollars in thousands)
September 30, 2022:
Securities available for sale:
Continuous loss position less than twelve months:
Agency mortgage-backed securities		78	$	40,860	$	4,440
Agency CMO		26		7,232		370
Agency notes and bonds		20		39,992		1,724
Treasury notes and bonds		20		33,041		976
Muncipal obligations		223		112,415		16,894
Total less than twelve months		367		233,540		24,404
Continuous loss position more than twelve months:
Agency mortgage-backed securities		20		45,849		7,742
Agency notes and bonds		39		97,356		11,645
Treasury notes and bonds		11		46,379		3,131
Muncipal obligations		43		23,500		5,761
Total more than twelve months		113		213,084		28,279
Total securities available for sale		480	$	446,624	$	52,683
Securities held to maturity:
Continuous loss position less than twelve months:
Corporate notes		4	$	5,618	$	1,382
Total less than twelve months		4		5,618		1,382
Total held to maturity		4	$	5,618	$	1,382

	Number of				Gross
	Investment		Fair		Unrealized
	Positions		Value		Losses
(Dollars in thousands)
December 31, 2021:
Continuous loss position less than twelve months:
Agency mortgage-backed securities		23	$	67,512	$	607
Agency notes and bonds		39		98,042		1,710
Treasury notes and bonds		11		49,190		545
Muncipal obligations		49		32,642		479
Total less than twelve months		122		247,386		3,341
Continuous loss position more than twelve months:
Agency mortgage-backed securities		1		1,357		28
Agency notes and bonds		4		13,676		324
Muncipal obligations		4		2,957		104
Total more than twelve months		9		17,990		456
Total securities available for sale		131	$	265,376	$	3,797