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Note 3 - Investment Securities (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

Marketable Securities [Table Text Block]

						Gross				Gross
		Amortized				Unrealized				Unrealized				Fair
(In thousands)		Cost				Gains				Losses				Value
September 30, 2023
Securities available for sale:
Agency mortgage-backed securities		$	84,385			$	-			$	12,312			$	72,073
Agency CMO			23,439				-				624				22,815
Other debt securities:
Agency notes and bonds			147,195				-				12,203				134,992
Treasury notes and bonds			76,527				-				2,813				73,714
Municipal obligations			157,641				2				21,157				136,486
Total securities available for sale		$	489,187			$	2			$	49,109			$	440,080
Securities held to maturity:
Other debt securities:
Corporate notes		$	7,000			$	-			$	2,528			$	4,472
Total securities held to maturity		$	7,000			$	-			$	2,528			$	4,472
December 31, 2022
Securities available for sale:
Agency mortgage-backed securities		$	95,056			$	-			$	11,193			$	83,863
Agency CMO			9,682				20				349				9,353
Other debt securities:
Agency notes and bonds			151,143				-				13,162				137,981
Treasury notes and bonds			82,646				-				3,914				78,732
Municipal obligations			168,939				177				18,226				150,890
Total securities available for sale		$	507,466			$	197			$	46,844			$	460,819
Securities held to maturity:
Other debt securities:
Corporate notes		$	7,000			$	-			$	1,689			$	5,311
Total securities held to maturity		$	7,000			$	-			$	1,689			$	5,311

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		$	65,774			$	64,401			$	-			$	-
Due after one year through five years			177,859				163,024				-				-
Due after five years through ten years			45,517				41,252				2,000				1,291
Due after ten years			92,213				76,515				5,000				3,181
			381,363				345,192				7,000				4,472
Mortgage-backed securities and CMO			107,824				94,888				-				-
		$	489,187			$	440,080			$	7,000			$	4,472

Schedule of Unrealized Loss on Investments [Table Text Block]

		Number of								Gross
		Investment				Fair				Unrealized
		Positions				Value				Losses
(Dollars in thousands)
September 30, 2023:
Securities available for sale:
Continuous loss position less than twelve months:
Agency CMO			7			$	17,601			$	246
Agency notes and bonds			6				5,210				108
Muncipal obligations			124				58,212				4,680
Total less than twelve months			137				81,023				5,034
Continuous loss position more than twelve months:
Agency mortgage-backed securities			97				72,073				12,312
Agency CMO			23				5,214				378
Agency notes and bonds			55				129,035				12,095
Treasury notes and bonds			27				73,714				2,813
Muncipal obligations			135				76,541				16,477
Total more than twelve months			337				356,577				44,075
Total securities available for sale			474			$	437,600			$	49,109
Securities held to maturity:
Continuous loss position more than twelve months:
Corporate notes			4			$	4,472			$	2,528
Total more than twelve months			4				4,472				2,528
Total held to maturity			4			$	4,472			$	2,528

		Number of								Gross
		Investment				Fair				Unrealized
		Positions				Value				Losses
(Dollars in thousands)
December 31, 2022:
Securities available for sale:
Continuous loss position less than twelve months:
Agency mortgage-backed securities			69			$	27,561			$	2,214
Agency CMO			23				6,287				336
Agency notes and bonds			15				35,079				1,314
Treasury notes and bonds			17				31,615				997
Muncipal obligations			154				81,218				5,960
Total less than twelve months			278				181,760				10,821
Continuous loss position more than twelve months:
Agency mortgage-backed securities			28				56,303				8,979
Agency CMO			3				257				13
Agency notes and bonds			45				102,902				11,848
Treasury notes and bonds			13				47,117				2,917
Muncipal obligations			98				52,279				12,266
Total more than twelve months			187				258,858				36,023
Total securities available for sale			465			$	440,618			$	46,844
Securities held to maturity:
Continuous loss position less than twelve months:
Corporate notes			3			$	3,779			$	1,221
Total less than twelve months			3				3,779				1,221
Continuous loss position more than twelve months:
Corporate notes			1				1,532				468
Total more than twelve months			1				1,532				468
Total securities held to maturity			4			$	5,311			$	1,689

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+ References

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-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
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