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Note 4 - Investment Securities (Tables)

3 Months Ended

Mar. 31, 2025

Notes Tables

Debt Securities, Available-for-Sale [Table Text Block]

																		Allowance
																		for
						Gross				Gross								Investment
		Amortized				Unrealized				Unrealized				Fair				Credit
		Cost				Gains				Losses				Value				Losses
		(dollars in thousands)
March 31, 2025
Investment securities available-for-sale:
Federal agency obligations		$	112,880			$	571			$	(10,690	)		$	102,761			$	-
Residential mortgage pass-through securities			441,169				572				(53,392	)			388,349				-
Commercial mortgage pass-through securities			24,925				-				(3,874	)			21,051				-
Obligations of U.S. states and political subdivisions			139,759				14				(21,116	)			118,657				-
Corporate bonds and notes			5,000				4				-				5,004				-
Asset-backed securities			865				1				(7	)			859				-
Other securities			125				-				-				125				-
Total investment securities available-for-sale		$	724,723			$	1,162			$	(89,079	)		$	636,806			$	-
December 31, 2024
Investment securities available-for-sale:
Federal agency obligations		$	96,165			$	179			$	(11,674	)		$	84,670			$	-
Residential mortgage pass-through securities			439,445				211				(60,818	)			378,838				-
Commercial mortgage pass-through securities			24,989				-				(4,097	)			20,892				-
Obligations of U.S. states and political subdivisions			141,775				89				(19,460	)			122,404				-
Corporate bonds and notes			5,000				5				(18	)			4,987				-
Asset-backed securities			892				-				(7	)			885				-
Other securities			171				-				-				171				-
Total investment securities available-for-sale		$	708,437			$	484			$	(96,074	)		$	612,847			$	-

Investments Classified by Contractual Maturity Date [Table Text Block]

		March 31, 2025
		Amortized				Fair
		Cost				Value
		(dollars in thousands)
Investment securities available-for-sale:
Due in one year or less		$	3,992			$	3,996
Due after one year through five years			5,258				5,254
Due after five years through ten years			10,303				8,946
Due after ten years			238,951				209,085
Residential mortgage pass-through securities			441,169				388,349
Commercial mortgage pass-through securities			24,925				21,051
Other securities			125				125
Total investment securities available-for-sale		$	724,723			$	636,806

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

		March 31, 2025
		Total								Less than 12 Months								12 Months or Longer
		Fair				Unrealized				Fair				Unrealized				Fair				Unrealized
		Value				Losses				Value				Losses				Value				Losses
		(dollars in thousands)
Investment securities available-for-sale:
Federal agency obligations		$	56,703			$	(10,690	)		$	21,699			$	(72	)		$	35,004			$	(10,618	)
Residential mortgage pass-through securities			351,709				(53,392	)			13,622				(297	)			338,087				(53,095	)
Commercial mortgage pass-through securities			21,051				(3,874	)			-				-				21,051				(3,874	)
Obligations of U.S. states and political subdivisions			115,666				(21,116	)			19,440				(750	)			96,226				(20,366	)
Corporate bonds and notes			-				-												-				-
Asset-backed securities			591				(7	)											591				(7	)
Total investment securities available for sale		$	545,720			$	(89,079	)		$	54,761			$	(1,119	)		$	490,959			$	(87,960	)

		December 31, 2024
		Total								Less than 12 Months								12 Months or Longer
		Fair				Unrealized				Fair				Unrealized				Fair				Unrealized
		Value				Losses				Value				Losses				Value				Losses
		(dollars in thousands)
Investment securities available-for-sale:
Federal agency obligations		$	53,467			$	(11,674	)		$	18,471			$	(60	)		$	34,996			$	(11,614	)
Residential mortgage pass-through securities			364,971				(60,818	)			26,809				(604	)			338,162				(60,214	)
Commercial mortgage pass-through securities			20,892				(4,097	)			-				-				20,892				(4,097	)
Obligations of U.S. states and political subdivisions			112,523				(19,460	)			13,281				(322	)			99,242				(19,138	)
Corporate bonds and notes			1,982				(18	)			1,982				(18	)			-				-
Asset-backed securities			885				(7	)			-				-				885				(7	)
Total investment securities available for sale		$	554,720			$	(96,074	)		$	60,543			$	(1,004	)		$	494,177			$	(95,070	)

X

- Definition

Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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-Section 50
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
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-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
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-Section 50
-Paragraph 2
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
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-Section 50
-Paragraph 2
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Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
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-Section 50
-Paragraph 2
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-Publisher FASB
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Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
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-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-3

Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-3

Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-3

Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-3

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Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments.

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No definition available.

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