Note 4 - Investment Securities (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

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

			Gross		Gross
	Amortized		unrealized		unrealized			Fair
(dollars in thousands)	cost		gains		losses			value
September 30, 2022
Held-to-maturity securities:
Agency - GSE	$	80,039	$	-	$	(9,574	)	$	70,465
Obligations of states and political subdivisions		142,335		-		(30,560	)		111,775
Total held-to-maturity securities	$	222,374	$	-	$	(40,134	)	$	182,240
Available-for-sale debt securities:
Agency - GSE	$	37,050	$	-	$	(4,714	)	$	32,336
Obligations of states and political subdivisions		198,534		324		(35,256	)		163,602
MBS - GSE residential		259,209		-		(41,734	)		217,475
Total available-for-sale debt securities	$	494,793	$	324	$	(81,704	)	$	413,413

			Gross		Gross
	Amortized		unrealized		unrealized			Fair
(dollars in thousands)	cost		gains		losses			value
December 31, 2021
Available-for-sale debt securities:
Agency - GSE	$	119,399	$	204	$	(2,600	)	$	117,003
Obligations of states and political subdivisions		360,680		6,708		(2,678	)		364,710
MBS - GSE residential		258,674		1,654		(3,061	)		257,267
Total available-for-sale debt securities	$	738,753	$	8,566	$	(8,339	)	$	738,980

Investments Classified by Contractual Maturity Date [Table Text Block]

	Amortized		Fair
(dollars in thousands)	cost		value
Held-to-maturity securities:
Due in one year or less	$	-	$	-
Due after one year through five years		4,698		4,302
Due after five years through ten years		66,667		58,901
Due after ten years		151,009		119,037
Total held-to-maturity securities	$	222,374	$	182,240
Available-for-sale securities:
Debt securities:
Due in one year or less	$	2,999	$	2,982
Due after one year through five years		18,773		17,087
Due after five years through ten years		44,734		37,101
Due after ten years		169,078		138,768
MBS - GSE residential		259,209		217,475
Total available-for-sale debt securities	$	494,793	$	413,413

Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block]

	Less than 12 months					More than 12 months					Total
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
(dollars in thousands)	value		losses			value		losses			value		losses
September 30, 2022
Agency - GSE	$	29,095	$	(2,933	)	$	72,706	$	(11,355	)	$	101,801	$	(14,288	)
Obligations of states and political subdivisions		178,491		(40,043	)		91,109		(25,773	)		269,600		(65,816	)
MBS - GSE residential		100,151		(15,013	)		117,324		(26,721	)		217,475		(41,734	)
Total	$	307,737	$	(57,989	)	$	281,139	$	(63,849	)	$	588,876	$	(121,838	)
Number of securities		320					163					483
December 31, 2021
Agency - GSE	$	84,308	$	(1,460	)	$	26,516	$	(1,140	)	$	110,824	$	(2,600	)
Obligations of states and political subdivisions		193,124		(2,662	)		12,796		(399	)		205,920		(3,061	)
MBS - GSE residential		137,495		(2,351	)		9,469		(327	)		146,964		(2,678	)
Total	$	414,927	$	(6,473	)	$	48,781	$	(1,866	)	$	463,708	$	(8,339	)
Number of securities		187					26					213