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Note 4 - Securities (Tables)

9 Months Ended

Sep. 30, 2024

Notes Tables

Debt Securities, Available-for-Sale [Table Text Block]

September 30, 2024		Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Fair Value
U.S. government agencies and corporations		$	353,077			$	-			$	32,645			$	320,432
States and political subdivisions			178,270				-				25,542				152,728
Mortgage-backed securities			146,619				53				4,427				142,245
Corporate debt securities			6,507				-				631				5,876
U.S. treasury			999				-				9				990
Total securities available for sale		$	685,472			$	53			$	63,254			$	622,271

December 31, 2023		Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Fair Value
U.S. government agencies and corporations		$	353,904			$	-			$	42,060			$	311,844
States and political subdivisions			179,507				-				29,614				149,893
Mortgage-backed securities			156,875				-				6,724				150,151
Corporate debt securities			6,504				-				754				5,750
U.S. treasury			996				-				33				963
Total securities available for sale		$	697,786			$	-			$	79,185			$	618,601

Investments Classified by Contractual Maturity Date [Table Text Block]

		September 30, 2024
		Amortized Cost				Fair Value
Available for Sale:
Due in one year or less		$	30,957			$	30,674
Due after one year through five years			202,285				191,613
Due after five years through ten years			249,367				217,742
Due after ten years			202,863				182,242
Total securities available for sale		$	685,472			$	622,271

Gain (Loss) on Securities [Table Text Block]

September 30, 2024		Less Than 12 Months								12 Months or More
		Fair Value				Gross Unrealized Losses				Fair Value				Gross Unrealized Losses
U.S. government agencies and corporations		$	-			$	-			$	320,432			$	32,645
State and political subdivisions			924				78				151,803				25,464
Mortgage-backed securities			3				-				119,869				4,427
Corporate debt securities			-				-				5,876				631
U.S. treasury			-				-				990				9
Total temporarily impaired securities		$	927			$	78			$	598,970			$	63,176

December 31, 2023		Less Than 12 Months								12 Months or More
		Fair Value				Gross Unrealized Losses				Fair Value				Gross Unrealized Losses
U.S. government agencies and corporations		$	-			$	-			$	311,844			$	42,060
State and political subdivisions			884				1				148,763				29,613
Mortgage-backed securities			1,616				26				147,922				6,698
Corporate debt securities			-				-				5,750				754
U.S. treasury			-				-				963				33
Total temporarily impaired securities		$	2,500			$	27			$	615,242			$	79,158

X

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