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Note 3 - Investment Securities (Tables)

6 Months Ended

Jun. 30, 2023

Notes Tables

Marketable Securities [Table Text Block]

						Gross				Gross
		Amortized				Unrealized				Unrealized				Fair
(In thousands)		Cost				Gains				Losses				Value
June 30, 2023
Securities available for sale:
Agency mortgage-backed securities		$	87,990			$	-			$	10,444			$	77,546
Agency CMO			14,444				-				460				13,984
Other debt securities:
Agency notes and bonds			147,673				-				12,073				135,600
Treasury notes and bonds			82,330				-				3,268				79,062
Municipal obligations			165,719				193				16,362				149,550
Total securities available for sale		$	498,156			$	193			$	42,607			$	455,742
Securities held to maturity:
Other debt securities:
Corporate notes		$	7,000			$	-			$	2,252			$	4,748
Total securities held to maturity		$	7,000			$	-			$	2,252			$	4,748
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		$	54,694			$	53,517			$	-			$	-
Due after one year through five years			196,849				181,771				-				-
Due after five years through ten years			41,689				38,651				2,000				1,371
Due after ten years			102,490				90,273				5,000				3,377
			395,722				364,212				7,000				4,748
Mortgage-backed securities and CMO			102,434				91,530				-				-
		$	498,156			$	455,742			$	7,000			$	4,748

Schedule of Unrealized Loss on Investments [Table Text Block]

		Number of								Gross
		Investment				Fair				Unrealized
		Positions				Value				Losses
(Dollars in thousands)
June 30, 2023:
Securities available for sale:
Continuous loss position less than twelve months:
Agency mortgage-backed securities			2			$	929			$	47
Agency CMO			3				8,421				125
Agency notes and bonds			6				10,604				167
Treasury notes and bonds			4				5,320				176
Muncipal obligations			54				26,291				315
Total less than twelve months			69				51,565				830
Continuous loss position more than twelve months:
Agency mortgage-backed securities			95				76,617				10,397
Agency CMO			24				5,563				335
Agency notes and bonds			54				123,746				11,906
Treasury notes and bonds			25				73,744				3,092
Muncipal obligations			189				101,746				16,047
Total more than twelve months			387				381,416				41,777
Total securities available for sale			456			$	432,981			$	42,607
Securities held to maturity:
Continuous loss position more than twelve months:
Corporate notes			4			$	4,748			$	2,252
Total more than twelve months			4				4,748				2,252
Total held to maturity			4			$	4,748			$	2,252

		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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