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Note 3 - Securities (Tables)

9 Months Ended

Sep. 30, 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
September 30, 2021
U.S. government sponsored entities			10,883				8				(130	)			10,761
U.S. treasury securities			401				-				-				401
Collateralized mortgage obligations and residential mortgage-backed securities			199,749				1,559				(2,823	)			198,485
Municipal securities			314,511				8,496				(2,655	)			320,352
Collateralized debt obligations			2,173				-				(1,162	)			1,011
Total securities available-for-sale		$	527,717			$	10,063			$	(6,770	)		$	531,010

(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
		Fair				Tax-Equivalent
September 30, 2021		Value				Yield (%)
Due in one year or less		$	401				0.63
Due from one to five years			3,817				4.39
Due from five to ten years			28,638				2.63
Due over ten years			299,669				2.91
Collateralized mortgage obligations and residential mortgage-backed securities			198,485				1.62
Total		$	531,010				2.42

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

		(Dollars in thousands)
		September 30,				September 30,
		2021				2020
Proceeds		$	9,275			$	4,144
Gross gains			591				197
Gross losses			(1	)			-

		(Dollars in thousands)
		September 30,				September 30,
		2021				2020
Proceeds		$	28,565			$	39,242
Gross gains			1,297				1,433
Gross losses			(21	)			(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			(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
		Fair				Unrealized				Fair				Unrealized				Fair				Unrealized
		Value				Losses				Value				Losses				Value				Losses
September 30, 2021
U.S. government sponsored entities		$	8,753			$	(130	)		$	-			$	-			$	8,753			$	(130	)
Collateralized mortgage obligations and residential mortgage-backed securities			133,551				(2,693	)			2,740				(130	)			136,291				(2,823	)
Municipal securities			133,340				(2,655	)			-				-				133,340				(2,655	)
Collateralized debt obligations			-				-				1,011				(1,162	)			1,011				(1,162	)
Total temporarily impaired		$	275,644			$	(5,478	)		$	3,751			$	(1,292	)		$	279,395			$	(6,770	)
Number of securities							211								3								214

		(Dollars in thousands)
		Less than 12 months								12 months or longer								Total
		Estimated								Estimated								Estimated
		Fair				Unrealized				Fair				Unrealized				Fair				Unrealized
		Value				Losses				Value				Losses				Value				Losses
December 31, 2020
U.S. government sponsored entities		$	4,975			$	(24	)		$	-			$	-			$	4,975			$	(24	)
Collateralized mortgage obligations and residential mortgage-backed securities			11,953				(36	)			-				-				11,953				(36	)
Municipal securities			1,864				(2	)			-				-				1,864				(2	)
Collateralized debt obligations			-				-				929				(1,253	)			929				(1,253	)
Total temporarily impaired		$	18,792			$	(62	)		$	929			$	(1,253	)		$	19,721			$	(1,315	)
Number of securities							8								2								10

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