Note 3 - Investment Securities (Tables)

6 Months Ended

Jun. 30, 2024

Notes Tables

Marketable Securities [Table Text Block]

			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
(In thousands)	Cost		Gains		Losses		Value
June 30, 2024
Securities available for sale:
Agency mortgage-backed securities	$	74,648	$	-	$	9,035	$	65,613
Agency CMO		48,313		56		561		47,808
Other debt securities:
Agency notes and bonds		135,335		8		7,821		127,522
Treasury notes and bonds		45,769		-		978		44,791
Municipal obligations		143,424		200		15,057		128,567
Total securities available for sale	$	447,489	$	264	$	33,452	$	414,301
Securities held to maturity:
Other debt securities:
Corporate notes	$	7,000	$	-	$	2,506	$	4,494
Total securities held to maturity	$	7,000	$	-	$	2,506	$	4,494
December 31, 2023
Securities available for sale:
Agency mortgage-backed securities	$	81,166	$	-	$	9,122	$	72,044
Agency CMO		25,402		94		323		25,173
Other debt securities:
Agency notes and bonds		138,174		38		8,707		129,505
Treasury notes and bonds		64,758		-		1,674		63,084
Municipal obligations		159,049		655		12,239		147,465
Total securities available for sale	$	468,549	$	787	$	32,065	$	437,271
Securities held to maturity:
Other debt securities:
Corporate notes	$	7,000	$	-	$	2,554	$	4,446
Total securities held to maturity	$	7,000	$	-	$	2,554	$	4,446

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	$	61,814	$	60,386	$	-	$	-
Due after one year through five years		142,008		133,181		-		-
Due after five years through ten years		47,965		44,223		2,000		1,299
Due after ten years		72,741		63,090		5,000		3,195
		324,528		300,880		7,000		4,494
Mortgage-backed securities and CMO		122,961		113,421		-		-
	$	447,489	$	414,301	$	7,000	$	4,494

Unrealized Gain (Loss) on Investments [Table Text Block]

	Number of				Gross
	Investment		Fair		Unrealized
	Positions		Value		Losses
(Dollars in thousands)
June 30, 2024:
Securities available for sale:
Continuous loss position less than twelve months:
Agency CMO		12	$	25,124	$	180
Agency notes and bonds		4		2,732		18
Muncipal obligations		88		37,119		2,929
Total less than twelve months		104		64,975		3,127
Continuous loss position more than twelve months:
Agency mortgage-backed securities		95		65,612		9,035
Agency CMO		25		11,104		381
Agency notes and bonds		53		122,709		7,803
Treasury notes and bonds		16		44,791		978
Muncipal obligations		129		76,205		12,128
Total more than twelve months		318		320,421		30,325
Total securities available for sale		422	$	385,396	$	33,452
Securities held to maturity:
Continuous loss position more than twelve months:
Corporate notes		4	$	4,494	$	2,506
Total more than twelve months		4		4,494		2,506
Total securities held to maturity		4	$	4,494	$	2,506

	Number of				Gross
	Investment		Fair		Unrealized
	Positions		Value		Losses
(Dollars in thousands)
December 31, 2023:
Securities available for sale:
Continuous loss position less than twelve months:
Agency CMO		3	$	8,019	$	30
Agency notes and bonds		3		2,754		12
Muncipal obligations		74		32,124		2,405
Total less than twelve months		80		42,897		2,447
Continuous loss position more than twelve months:
Agency mortgage-backed securities		96		72,044		9,122
Agency CMO		22		4,998		293
Agency notes and bonds		52		123,416		8,695
Treasury notes and bonds		21		63,084		1,674
Muncipal obligations		130		79,643		9,834
Total more than twelve months		321		343,185		29,618
Total securities available for sale		401	$	386,082	$	32,065
Securities held to maturity:
Continuous loss position more than twelve months:
Corporate notes		4	$	4,446	$	2,554
Total more than twelve months		4		4,446		2,554
Total securities held to maturity		4	$	4,446	$	2,554