Note 4 - Securities (Tables)

6 Months Ended

Jun. 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
June 30, 2022
U.S. government sponsored entities	$	8,883	$	-	$	(949	)	$	7,934
U.S. treasury securities		594		-		-			594
Collateralized mortgage obligations and residential mortgage-backed securities		171,286		2		(21,227	)		150,061
Municipal securities		290,675		20		(49,848	)		240,847
Collateralized debt obligations		2,173		-		(1,143	)		1,030
Total securities available-for-sale	$	473,611	$	22	$	(73,167	)	$	400,466

	(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
June 30, 2022	Basis		Value
Due in one year or less	$	494	$	495
Due from one to five years		1,954		1,956
Due from five to ten years		26,832		24,869
Due over ten years		273,045		223,085
Collateralized mortgage obligations and residential mortgage-backed securities		171,286		150,061
Total	$	473,611	$	400,466

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

	(Dollars in thousands)
	June 30,			June 30,
	2022			2021
Proceeds	$	27,539		$	12,386
Gross gains		295			289
Gross losses		(37	)		(20	)

	(Dollars in thousands)
	June 30,			June 30,
	2022			2021
Proceeds	$	43,775		$	19,290
Gross gains		692			706
Gross losses		(53	)		(20	)

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

	(Dollars in thousands)
	Unrealized gain/(loss)
Ending balance, December 31, 2021	$	4,276
Current period change		(62,057	)
Ending balance, June 30, 2022	$	(57,781	)

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
June 30, 2022
U.S. government sponsored entities	$	-	$	-		$	7,934	$	(949	)	$	7,934	$	(949	)		100.0	%
Collateralized mortgage obligations and residential mortgage-backed securities		91,051		(11,037	)		58,348		(10,190	)		149,399		(21,227	)		99.6	%
Municipal securities		230,567		(48,029	)		6,170		(1,819	)		236,737		(49,848	)		98.3	%
Collateralized debt obligations		-		-			1,030		(1,143	)		1,030		(1,143	)		100.0	%
Total temporarily impaired	$	321,618	$	(59,066	)	$	73,482	$	(14,101	)	$	395,100	$	(73,167	)		98.7	%
Number of securities				415					41					456

	(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