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Note 3 - Investment Securities Available for Sale (Tables)

9 Months Ended

Sep. 30, 2025

Notes Tables

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

Available-for-Sale		September 30, 2025
						Gross				Gross
		Amortized				Unrealized				Unrealized				Fair
		Cost				Gains				Losses				Value
Debt securities:
U.S. Government-sponsored agencies collateralized by mortgage obligations - residential			258,397				2,216				(9,748	)			250,865
U.S. Government- sponsored agencies collateralized by mortgage obligations - commercial			147,614				1,253				(9,929	)			138,938
Obligations of states and political subdivisions			102,086				686				(7,889	)			94,883
		$	508,097			$	4,155			$	(27,566	)		$	484,686

Available-for-Sale		December 31, 2024
						Gross				Gross
		Amortized				Unrealized				Unrealized				Fair
		Cost				Gains				Losses				Value
Debt securities:
U.S. Government-sponsored agencies collateralized by mortgage obligations - residential			243,709				138				(15,456	)			228,391
U.S. Government- sponsored agencies collateralized by mortgage obligations - commercial			133,749				77				(11,956	)			121,870
Obligations of states and political subdivisions			95,975				315				(8,816	)			87,474
		$	473,433			$	530			$	(36,228	)		$	437,735

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

September 30, 2025		Less than 12 Months								12 Months or More								Total
		Fair				Unrealized				Fair				Unrealized				Fair				Unrealized
		Value				Losses				Value				Losses				Value				Losses
Debt securities:
U.S. Government-sponsored agencies collateralized by mortgage obligations - residential		$	5,916			$	22			$	92,489			$	9,726			$	98,405			$	9,748
U.S. Government- sponsored agencies collateralized by mortgage obligations - commercial			8,193				36				64,400				9,893				72,593				9,929
Obligations of states and political subdivisions			14,340				199				47,875				7,690				62,215				7,889
		$	28,449			$	257			$	204,764			$	27,309			$	233,213			$	27,566

December 31, 2024		Less than 12 Months								12 Months or More								Total
		Fair				Unrealized				Fair				Unrealized				Fair				Unrealized
		Value				Losses				Value				Losses				Value				Losses
Debt securities:
U.S. Government-sponsored agencies collateralized by mortgage obligations - residential			107,328				1,917				94,506				13,539				201,834				15,456
U.S. Government- sponsored agencies collateralized by mortgage obligations - commercial			55,921				926				57,735				11,030				113,656				11,956
Obligations of states and political subdivisions			18,938				250				48,460				8,566				67,398				8,816
		$	182,187			$	3,093			$	200,701			$	33,135			$	382,888			$	36,228

Investments Classified by Contractual Maturity Date [Table Text Block]

		Amortized Cost				Estimated Fair Value
Within one year		$	735			$	734
After one year through five years			6,575				6,655
After five years through ten years			19,025				19,069
After ten years			75,751				68,425
Investment securities not due at a single maturity date:
U.S. Government-sponsored agencies collateralized by mortgage obligations - residential			258,397				250,865
U.S. Government- sponsored agencies collateralized by mortgage obligations - commercial			147,614				138,938
		$	508,097			$	484,686

X

- Definition

Tabular disclosure of fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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