Note 3 - Securities (Tables)

3 Months Ended

Mar. 31, 2020

Notes Tables

Schedule of Available-for-sale Securities Reconciliation [Table Text Block]

	As of March 31, 2020
			Gross		Gross
	Amortized		Unrealized		Unrealized			Estimated
(Amounts in thousands)	Costs		Gains		Losses			Fair Value s
Available-for-sale securities:
U.S. government & agencies	$	35,487	$	575	$	(19	)	$	36,043
Obligations of state and political subdivisions		60,828		2,488		(53	)		63,263
Residential mortgage-backed securities and collateralized mortgage obligations		155,252		5,728		(541	)		160,439
Corporate securities		3,001		3		(21	)		2,983
Commercial mortgage-backed securities		16,891		543		(6	)		17,428
Other asset-backed securities		5,176		—		(255	)		4,921
Total	$	276,635	$	9,337	$	(895	)	$	285,077

	As of December 31, 2019
			Gross		Gross
	Amortized		Unrealized		Unrealized			Estimated
(Amounts in thousands)	Costs		Gains		Losses			Fair Value s
Available-for-sale securities:
U.S. government & agencies	$	38,291	$	469	$	(27	)	$	38,733
Obligations of state and political subdivisions		40,702		1,422		(26	)		42,098
Residential mortgage-backed securities and collateralized mortgage obligations		179,114		2,163		(442	)		180,835
Corporate securities		3,005		6		(45	)		2,966
Commercial mortgage-backed securities		19,126		221		(40	)		19,307
Other asset-backed securities		3,019		—		(8	)		3,011
Total	$	283,257	$	4,281	$	(588	)	$	286,950

Amortized Cost and Estimated Fair Value Available for Sale Securities [Table Text Block]

	Available-For-Sale
(Amounts in thousands)	Amortized Costs		Fair Values
Amounts maturing in:
One year or less	$	6,119	$	6,127
One year through five years		113,504		117,594
Five years through ten years		88,844		91,394
After ten years		68,168		69,962
Total	$	276,635	$	285,077

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

	Three Months Ended March 31,
(Amounts in thousands)	2020			2019
Proceeds from sales of investment securities	$	29,339		$	67,402
Gross realized gains on sales of investment securities:
U.S. government & agencies	$	—		$	33
Obligations of state and political subdivisions		48			181
Residential mortgage-backed securities and collateralized mortgage obligations		84			47
Commercial mortgage-backed securities		36			—
Total gross realized gains on sales of investment securities		168			261
Gross realized losses on sales of investment securities:
U.S. government & agencies		—			(4	)
Obligations of state and political subdivisions		(4	)		(77	)
Residential mortgage-backed securities and collateralized mortgage obligations		(80	)		(86	)
Commercial mortgage-backed securities		—			(2	)
Total gross realized losses on sales of investment securities		(84	)		(169	)
Gain on sales of investment securities, net	$	84		$	92

Schedule of Unrealized Loss on Investments [Table Text Block]

	As of March 31, 2020
	Less Than 12 Months					12 Months or More					Total
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
(Amounts in thousands)	Value s		Losses			Value s		Losses			Value s		Losses
Available-for-sale securities:
U.S. government & agencies	$	4,061	$	(8	)	$	1,758	$	(11	)	$	5,819	$	(19	)
Obligations of state and political subdivisions		3,125		(53	)		—		—			3,125		(53	)
Residential mortgage-backed securities and collateralized mortgage obligations		17,165		(453	)		4,358		(88	)		21,523		(541	)
Corporate securities		—		—			979		(21	)		979		(21	)
Commercial mortgage-backed securities		—		—			4,432		(6	)		4,432		(6	)
Other asset-backed securities		4,921		(255	)		—		—			4,921		(255	)
Total temporarily impaired securities	$	29,272	$	(769	)	$	11,527	$	(126	)	$	40,799	$	(895	)

	As of December 31, 2019
	Less Than 12 Months					12 Months or More					Total
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
(Amounts in thousands)	Value s		Loss es			Value s		Loss e s			Value s		Loss es
Available-for-sale securities:
U.S. government & agencies	$	6,473	$	(25	)	$	380	$	(2	)	$	6,853	$	(27	)
Obligations of state and political subdivisions		2,249		(26	)		—		—			2,249		(26	)
Residential mortgage-backed securities and collateralized mortgage obligations		31,817		(207	)		22,166		(235	)		53,983		(442	)
Corporate securities		—		—			955		(45	)		955		(45	)
Commercial mortgage-backed securities		1,464		(1	)		4,549		(39	)		6,013		(40	)
Other asset-backed securities		3,011		(8	)		—		—			3,011		(8	)
Total temporarily impaired securities	$	45,014	$	(267	)	$	28,050	$	(321	)	$	73,064	$	(588	)