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Note 3 - Securities (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

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

		(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

		(Dollars in thousands)
						Gross				Gross				Estimated
		Cost				Unrealized				Unrealized				Fair
		Basis				Gains				Losses				Value
December 31, 2020
Money market fund		$	52,941			$	-			$	-			$	52,941
U.S. government sponsored entities			7,881				3				(24	)			7,860
Collateralized mortgage obligations and residential mortgage-backed securities			151,355				3,417				(36	)			154,736
Municipal securities			183,103				11,102				(2	)			194,203
Collateralized debt obligations			2,182				-				(1,253	)			929
Total securities available-for-sale		$	397,462			$	14,522			$	(1,315	)		$	410,669

Investments Classified by Contractual Maturity Date [Table Text Block]

		(Dollars in thousands)
		Available-for-sale
						Estimated
		Cost				Fair
December 31, 2021		Basis				Value
Due in one year or less		$	590			$	592
Due from one to five years			1,759				1,765
Due from five to ten years			28,950				29,846
Due over ten years			302,907				309,985
Collateralized mortgage obligations and residential mortgage-backed securities			187,279				184,701
Total		$	521,485			$	526,889

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

		(Dollars in thousands)
		December 31,				December 31,
		2021				2020
Proceeds		$	43,756			$	51,350
Gross gains			2,010				2,407
Gross losses			(23	)			(59	)

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

		(Dollars in thousands)
		Unrealized gain/(loss)
Ending balance, December 31, 2020		$	10,441
Current period change			(6,165	)
Ending balance, December 31, 2021		$	4,276

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
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

		(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, 2020
U.S. government sponsored entities		$	4,975			$	(24	)		$	-			$	-			$	4,975			$	(24	)			63.3	%
Collateralized mortgage obligations and
residential mortgage-backed securities			11,953				(36	)			-				-				11,953				(36	)			7.7	%
Municipal securities			1,864				(2	)			-				-				1,864				(2	)			1.0	%
Collateralized debt obligations			-				-				929				(1,253	)			929				(1,253	)			100.0	%
Total temporarily impaired		$	18,792			$	(62	)		$	929			$	(1,253	)		$	19,721			$	(1,315	)			4.8	%
Number of securities							8								2								10

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