Note 2 - Investment Securities (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

Marketable Securities [Table Text Block]

			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
(In thousands)	Cost		Gains		Losses		Value
March 31, 2022
Securities available for sale:
Agency mortgage-backed securities	$	104,441	$	6	$	5,038	$	99,409
Agency CMO		6,344		3		64		6,283
Other debt securities:
Agency notes and bonds		142,250		108		7,426		134,932
Treasury notes and bonds		50,767		-		2,001		48,766
Municipal obligations		157,165		745		9,132		148,778
Total securities available for sale	$	460,967	$	862	$	23,661	$	438,168
Securities held to maturity:
Other debt securities:
Corporate notes	$	7,000	$	-	$	367	$	6,633
Total securities held to maturity	$	7,000	$	-	$	367	$	6,633
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	$	201	$	201	$	-	$	-
Due after one year through five years		200,587		191,701		-		-
Due after five years through ten years		52,276		50,378		2,000		1,894
Due after ten years		97,118		90,196		5,000		4,739
		350,182		332,476		7,000		6,633
Mortgage-backed securities and CMO		110,785		105,692		-		-
	$	460,967	$	438,168	$	7,000	$	6,633

Schedule of Unrealized Loss on Investments [Table Text Block]

	Number of				Gross
	Investment		Fair		Unrealized
	Positions		Value		Losses
(Dollars in thousands)
March 31, 2022:
Securities available for sale:
Continuous loss position less than twelve months:
Agency mortgage-backed securities		93	$	93,083	$	4,596
Agency CMO		20		4,553		64
Agency notes and bonds		35		79,439		4,416
Treasury notes and bonds		14		48,766		2,001
Muncipal obligations		169		97,740		8,096
Total less than twelve months		331		323,581		19,173
Continuous loss position more than twelve months:
Agency mortgage-backed securities		4		5,607		442
Agency notes and bonds		15		41,339		3,010
Muncipal obligations		11		6,434		1,036
Total more than twelve months		30		53,380		4,488
Total securities available for sale		361	$	376,961	$	23,661
Securities held to maturity:
Continuous loss position less than twelve months:
Corporate notes		4	$	6,633	$	367
Total less than twelve months		4		6,633		367
Total held to maturity		4	$	6,633	$	367

	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