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Note 4 - Securities (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

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

		(Dollars in thousands)
						Gross				Gross				Estimated
		Cost				Unrealized				Unrealized				Fair
		Basis				Gains				Losses				Value
September 30, 2022
U.S. government sponsored entities		$	8,883			$	-			$	(1,338	)		$	7,545
U.S. treasury securities			394				-				-				394
Collateralized mortgage obligations and residential mortgage-backed securities			166,651				-				(29,370	)			137,281
Municipal securities			282,002				-				(69,214	)			212,788
Collateralized debt obligations			2,173				-				(1,146	)			1,027
Total securities available-for-sale		$	460,103			$	-			$	(101,068	)		$	359,035

		(Dollars in thousands)
						Gross				Gross				Estimated
		Cost				Unrealized				Unrealized				Fair
		Basis				Gains				Losses				Value
December 31, 2021
U.S. government sponsored entities		$	8,883			$	-			$	(214	)		$	8,669
U.S. treasury securities			400				-				-				400
Collateralized mortgage obligations and residential mortgage-backed securities			187,279				961				(3,539	)			184,701
Municipal securities			322,750				9,904				(527	)			332,127
Collateralized debt obligations			2,173				-				(1,181	)			992
Total securities available-for-sale		$	521,485			$	10,865			$	(5,461	)		$	526,889

Investments Classified by Contractual Maturity Date [Table Text Block]

		(Dollars in thousands)
		Available-for-sale
						Estimated
		Cost				Fair
September 30, 2022		Basis				Value
Due in one year or less		$	190			$	190
Due from one to five years			1,978				1,972
Due from five to ten years			21,124				18,207
Due over ten years			270,160				201,385
Collateralized mortgage obligations and residential mortgage-backed securities			166,651				137,281
Total		$	460,103			$	359,035

Schedule of Realized Gain (Loss) [Table Text Block]

		(Dollars in thousands)
		September 30,				September 30,
		2022				2021
Proceeds		$	10,178			$	9,275
Gross gains			41				591
Gross losses			(18	)			(1	)

		(Dollars in thousands)
		September 30,				September 30,
		2022				2021
Proceeds		$	53,953			$	28,565
Gross gains			733				1,297
Gross losses			(71	)			(21	)

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

		(Dollars in thousands)
		Unrealized gain/(loss)
Ending balance, June 30, 2022		$	(57,781	)
Current period change			(22,058	)
Ending balance, September 30, 2022		$	(79,839	)

		(Dollars in thousands)
		Unrealized gain/(loss)
Ending balance, June 30, 2021		$	8,209
Current period change			(5,601	)
Ending balance, September 30, 2021		$	2,608

		(Dollars in thousands)
		Unrealized gain/(loss)
Ending balance, December 31, 2021		$	4,276
Current period change			(84,115	)
Ending balance, September 30, 2022		$	(79,839	)

		(Dollars in thousands)
		Unrealized gain/(loss)
Ending balance, December 31, 2020		$	10,441
Current period change			(7,833	)
Ending balance, September 30, 2021		$	2,608

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

		(Dollars in thousands)
		Less than 12 months								12 months or longer								Total
		Estimated								Estimated								Estimated								Percentage of
		Fair				Unrealized				Fair				Unrealized				Fair				Unrealized				Total Portfolio
		Value				Losses				Value				Losses				Value				Losses				in Loss Position
September 30, 2022
U.S. government sponsored entities		$	-			$	-			$	7,545			$	(1,338	)		$	7,545			$	(1,338	)			100.0	%
Collateralized mortgage obligations and residential mortgage-backed securities			45,306				(7,593	)			91,975				(21,777	)			137,281				(29,370	)			100.0	%
Municipal securities			166,907				(49,241	)			45,611				(19,973	)			212,518				(69,214	)			99.9	%
Collateralized debt obligations			-				-				1,027				(1,146	)			1,027				(1,146	)			100.0	%
Total temporarily impaired		$	212,213			$	(56,834	)		$	146,159			$	(44,233	)		$	358,371			$	(101,068	)			99.8	%
Number of securities							333								120								453

		(Dollars in thousands)
		Less than 12 months								12 months or longer								Total
		Estimated								Estimated								Estimated								Percentage of
		Fair				Unrealized				Fair				Unrealized				Fair				Unrealized				Total Portfolio
		Value				Losses				Value				Losses				Value				Losses				in Loss Position
December 31, 2021
U.S. government sponsored entities		$	8,669			$	(214	)		$	-			$	-			$	8,669			$	(214	)			100.0	%
Collateralized mortgage obligations and residential mortgage-backed securities			126,373				(3,175	)			8,109				(364	)			134,482				(3,539	)			72.8	%
Municipal securities			70,309				(527	)			-				-				70,309				(527	)			21.2	%
Collateralized debt obligations			-				-				992				(1,181	)			992				(1,181	)			100.0	%
Total temporarily impaired		$	205,351			$	(3,916	)		$	9,101			$	(1,545	)		$	214,452			$	(5,461	)			40.7	%
Number of securities							133								5								138

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