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Note 2 - Investment Securities (Tables)

9 Months Ended

Sep. 30, 2025

Notes Tables

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

(in thousands)		Amortized				Unrealized
September 30, 2025		cost				Gains				Losses				Fair value
Government sponsored enterprise obligations		$	77,669			$	105			$	(3,088	)		$	74,686
Mortgage backed securities			622,953				181				(74,850	)			548,284
Obligations of states and political subdivisions			124,141				10				(10,154	)			113,997
Other			595				-				(42	)			553
Total available for sale debt securities		$	825,358			$	296			$	(88,134	)		$	737,520
December 31, 2024
U.S. Treasury and other U.S. Government obligations		$	198,182			$	33			$	-			$	198,215
Government sponsored enterprise obligations			88,895				110				(4,847	)			84,158
Mortgage backed securities			696,767				-				(105,790	)			590,977
Obligations of states and political subdivisions			128,431				1				(14,198	)			114,234
Other			2,686				-				(156	)			2,530
Total available for sale debt securities		$	1,114,961			$	144			$	(124,991	)		$	990,114

Debt Securities, Held-to-Maturity [Table Text Block]

(in thousands)		Carrying				Unrecognized
September 30, 2025		value				Gains				Losses				Fair value
U.S. Treasury and other U.S. Government obligations		$	1,990			$	-			$	(25	)		$	1,965
Government sponsored enterprise obligations			23,012				-				(1,285	)			21,727
Mortgage backed securities			178,117				3				(18,001	)			160,119
Total held to maturity debt securities		$	203,119			$	3			$	(19,311	)		$	183,811
December 31, 2024
U.S. Treasury and other U.S. Government obligations		$	153,850			$	-			$	(741	)		$	153,109
Government sponsored enterprise obligations			25,395				-				(2,034	)			23,361
Mortgage backed securities			190,926				2				(26,041	)			164,887
Total held to maturity debt securities		$	370,171			$	2			$	(28,816	)		$	341,357

Investments Classified by Contractual Maturity Date [Table Text Block]

		AFS Debt Securities								HTM Debt Securities
(in thousands)		Amortized cost				Fair value				Carrying value				Fair value
Due within one year		$	50,527			$	48,848			$	24,501			$	23,197
Due after one year but within five years			24,427				23,662				-				-
Due after five years but within 10 years			88,282				80,217				-				-
Due after 10 years			39,169				36,509				501				495
Mortgage backed securities			622,953				548,284				178,117				160,119
Total		$	825,358			$	737,520			$	203,119			$	183,811

Schedule of Unrealized Losses on Securities [Table Text Block]

		AFS Debt Securities
		Less than 12 months								12 months or more								Total
(in thousands)		Fair				Unrealized				Fair				Unrealized				Fair				Unrealized
September 30, 2025		value				losses				value				losses				value				losses
Government sponsored enterprise obligations		$	-			$	-			$	70,992			$	(3,088	)		$	70,992			$	(3,088	)
Mortgage-backed securities			-				-				528,631				(74,850	)			528,631				(74,850	)
Obligations of states and political subdivisions			1,174				(1	)			93,924				(10,153	)			95,098				(10,154	)
Other			-				-				553				(42	)			553				(42	)
Total AFS debt securities		$	1,174			$	(1	)		$	694,100			$	(88,133	)		$	695,274			$	(88,134	)
December 31, 2024
Government sponsored enterprise obligations		$	5,801			$	(49	)		$	74,478			$	(4,798	)		$	80,279			$	(4,847	)
Mortgage-backed securities			23,159				(579	)			567,818				(105,211	)			590,977				(105,790	)
Obligations of states and political subdivisions			9,181				(164	)			101,407				(14,034	)			110,588				(14,198	)
Other			-				-				2,530				(156	)			2,530				(156	)
Total AFS debt securities		$	38,141			$	(792	)		$	746,233			$	(124,199	)		$	784,374			$	(124,991	)

		HTM Debt Securities
		Less than 12 months								12 months or more								Total
(in thousands)		Fair				Unrecognized				Fair				Unrecognized				Fair				Unrecognized
September 30, 2025		value				losses				value				losses				value				losses
U.S. Treasury and other U.S. Government obligations		$	-			$	-			$	1,965			$	(25	)		$	1,965			$	(25	)
Government sponsored enterprise obligations			-				-				21,713				(1,285	)			21,713				(1,285	)
Mortgage-backed securities			-				-				159,701				(18,001	)			159,701				(18,001	)
Total HTM debt securities		$	-			$	-			$	183,379			$	(19,311	)		$	183,379			$	(19,311	)
December 31, 2024
U.S. Treasury and other U.S. Government obligations		$	-			$	-			$	153,109			$	(741	)		$	153,109			$	(741	)
Government sponsored enterprise obligations			396				(6	)			22,965				(2,028	)			23,361				(2,034	)
Mortgage-backed securities			-				-				164,724				(26,041	)			164,724				(26,041	)
Total HTM debt securities		$	396			$	(6	)		$	340,798			$	(28,810	)		$	341,194			$	(28,816	)

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