Note 4 - Investment Securities (Tables)

12 Months Ended

Dec. 31, 2024

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
December 31, 2024
Held-to-maturity securities:
Agency - GSE	$	82,486	$	-	$	(8,092	)	$	74,394
Obligations of states and political subdivisions		143,278		-		(23,097	)		120,181
Total held-to-maturity securities	$	225,764	$	-	$	(31,189	)	$	194,575
Available-for-sale debt securities:
Agency - GSE	$	31,273	$	-	$	(3,073	)	$	28,200
Obligations of states and political subdivisions		135,149		-		(15,891	)		119,258
MBS - GSE residential		217,858		-		(33,859	)		183,999
Total available-for-sale debt securities	$	384,280	$	-	$	(52,823	)	$	331,457

			Gross		Gross
	Amortized		unrealized		unrealized			Fair
(dollars in thousands)	cost		gains		losses			value
December 31, 2023
Held-to-maturity securities:
Agency - GSE	$	81,382	$	-	$	(7,561	)	$	73,821
Obligations of states and political subdivisions		142,851		-		(19,496	)		123,355
Total held-to-maturity securities	$	224,233	$	-	$	(27,057	)	$	197,176
Available-for-sale debt securities:
Agency - GSE	$	31,178	$	-	$	(3,633	)	$	27,545
Obligations of states and political subdivisions		138,217		1		(15,421	)		122,797
MBS - GSE residential		226,240		-		(32,542	)		193,698
Total available-for-sale debt securities	$	395,635	$	1	$	(51,596	)	$	344,040

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		34,969		32,691
Due after five years through ten years		80,154		69,957
Due after ten years		110,641		91,927
Total held-to-maturity securities	$	225,764	$	194,575
Available-for-sale securities:
Debt securities:
Due in one year or less	$	4,952	$	4,896
Due after one year through five years		39,728		35,782
Due after five years through ten years		12,898		11,004
Due after ten years		108,335		95,776
MBS - GSE residential		217,350		183,999
Total available-for-sale debt securities	$	383,263	$	331,457

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

	December 31,
(dollars in thousands)	2024		2023
Gross realized gain	$	-	$	533
Gross realized loss		-		(7,001	)
Net gain	$	-	$	(6,468	)

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
December 31, 2024
Agency - GSE	$	-	$	-		$	102,594	$	(11,165	)	$	102,594	$	(11,165	)
Obligations of states and political subdivisions		384		(11	)		239,055		(38,469	)		239,439		(38,480	)
MBS - GSE residential		15,050		(253	)		168,949		(33,099	)		183,999		(33,352	)
Total	$	15,434	$	(264	)	$	510,598	$	(82,733	)	$	526,032	$	(82,997	)
Number of securities		8					416					424
December 31, 2023
Agency - GSE	$	-	$	-		$	101,366	$	(11,194	)	$	101,366	$	(11,194	)
Obligations of states and political subdivisions		781		(22	)		244,224		(33,814	)		245,005		(33,836	)
MBS - GSE residential		-		-			193,698		(31,462	)		193,698		(31,462	)
Total	$	781	$	(22	)	$	539,288	$	(76,470	)	$	540,069	$	(76,492	)
Number of securities		2					414					416