Note 3 - Available for Sale Debt Securities (Tables)

9 Months Ended

Sep. 30, 2020

Notes Tables

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

(in thousands)			Unrealized					Allowance
September 30, 2020	Amortized cost		Gains		Losses			for Credit Losses		Fair value
U.S. Treasury and other U.S. Government obligations	$	—	$	—	$	—		$	—	$	—
Government sponsored enterprise obligations		136,965		5,294		(378	)		—		141,881
Mortgage backed securities - government agencies		272,145		7,396		(89	)		—		279,452
Obligations of states and political subdivisions		7,657		194		—			—		7,851
Total available for sale debt securities	$	416,767	$	12,884	$	(467	)	$	—	$	429,184
December 31, 2019
U.S. Treasury and other U.S. Government obligations	$	49,887	$	10	$	—		$	—	$	49,897
Government sponsored enterprise obligations		208,933		1,189		(178	)		—		209,944
Mortgage backed securities - government agencies		193,574		1,243		(956	)		—		193,861
Obligations of states and political subdivisions		16,919		117		—			—		17,036
Total available for sale debt securities	$	469,313	$	2,559	$	(1,134	)	$	—	$	470,738

Investments Classified by Contractual Maturity Date [Table Text Block]

(in thousands)	Amortized cost		Fair value
Due within 1 year	$	2,449	$	2,456
Due after 1 year but within 5 years		33,197		33,860
Due after 5 years but within 10 years		1,456		1,531
Due after 10 years		107,520		111,885
Mortgage backed securities - government agencies		272,145		279,452
Total securities available for sale	$	416,767	$	429,184

Schedule of Unrealized Loss on Investments [Table Text Block]

	Less than 12 months					12 months or more					Total
(in thousands)	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
September 30, 2020	value		losses			value		losses			value		losses
Government sponsored enterprise obligations	$	29,892	$	(314	)	$	5,289	$	(64	)	$	35,181	$	(378	)
Mortgage-backed securities - government agencies		34,099		(87	)		994		(2	)		35,093		(89	)
Total	$	63,991	$	(401	)	$	6,283	$	(66	)	$	70,274	$	(467	)
December 31, 2019
Government sponsored enterprise obligations	$	16,503	$	(107	)	$	11,492	$	(71	)	$	27,995	$	(178	)
Mortgage-backed securities - government agencies		81,664		(496	)		32,453		(460	)		114,117		(956	)
Total	$	98,167	$	(603	)	$	43,945	$	(531	)	$	142,112	$	(1,134	)