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Note 2 - Securities (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Debt Securities, Trading, and Equity Securities, FV-NI [Table Text Block]

		December 31, 2022
						Gross				Gross
(Dollars in thousands)		Amortized				Unrealized				Unrealized				Fair
		Cost				Gains				Losses				Value
Equity securities		$	8,982			$	305			$	(721	)		$	8,566

		December 31, 2021
						Gross				Gross
(Dollars in thousands)		Amortized				Unrealized				Unrealized				Fair
		Cost				Gains				Losses				Value
Equity securities		$	7,953			$	665			$	(126	)		$	8,492

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

		December 31, 2022
						Gross				Gross
(Dollars in thousands)		Amortized				Unrealized				Unrealized				Fair
Available for Sale:		Cost				Gains				Losses				Value
U.S. Government and federal agency		$	-			$	-			$	-			$	-
U.S. Treasury notes and bonds			90,810				-				(12,606	)			78,204
State and municipal			277,489				-				(47,551	)			229,938
Mortgage-backed			236,703				-				(28,140	)			208,563
Corporate			757				-				(46	)			711
Asset-backed securities			13,031				-				(698	)			12,333
Total		$	618,790			$	-			$	(89,041	)		$	529,749

		December 31, 2021
						Gross				Gross
(Dollars in thousands)		Amortized				Unrealized				Unrealized				Fair
Available for Sale:		Cost				Gains				Losses				Value
U.S. Government and federal agency		$	2,001			$	7			$	-			$	2,008
U.S. Treasury notes and bonds			93,267				23				(1,311	)			91,979
State and municipal			528,252				10,704				(4,109	)			534,847
Mortgage-backed			441,383				781				(9,049	)			433,115
Corporate			20,856				19				(233	)			20,642
Asset-backed securities			16,387				-				(93	)			16,294
Total		$	1,102,146			$	11,534			$	(14,795	)		$	1,098,885

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

		December 31, 2022
						Gross				Gross
(Dollars in thousands)		Amortized				Unrealized				Unrealized				Fair
Held to Maturity:		Cost				Gains				Losses				Value
U.S. Government and federal agency		$	2,966			$	-			$	(421	)		$	2,545
State and municipal			201,890				1				(39,355	)			162,536
Mortgage-backed			200,473				-				(29,868	)			170,605
Corporate			19,603				-				(2,285	)			17,318
Asset-backed securities			974				-				(77	)			897
Total		$	425,906			$	1			$	(72,006	)		$	353,901

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

(Dollars in thousands)
		2022				2021				2020
Proceeds from sales of securities		$	47,167			$	29,742			$	121,942
Gross realized gains			-				-				1,308
Gross realized losses			(809	)			(40	)			-

Investments Classified by Contractual Maturity Date [Table Text Block]

(Dollars in thousands)		Amortized				Fair
		Cost				Value
Due within one year		$	6,035			$	5,972
Due after one year through five years			17,069				16,176
Due after five years through ten years			149,578				130,215
Due after ten years			209,405				168,823
Total debt securities			382,087				321,186
Mortgage-backed securities			236,703				208,563
Total		$	618,790			$	529,749

(Dollars in thousands)		Amortized				Fair
		Cost				Value
Due within one year		$	2,417			$	2,389
Due after one year through five years			6,262				5,834
Due after five years through ten years			109,263				92,553
Due after ten years			107,491				82,520
Total debt securities			225,433				183,296
Mortgage-backed securities			200,473				170,605
Total		$	425,906			$	353,901

Schedule of Financial Instruments Owned and Pledged as Collateral [Table Text Block]

(Dollars in thousands)		2022				2021
Securities pledged for Community Reinvestment Act credits		$	250			$	273

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

		2022
		Less than 12 months								More than 12 months								Total
(Dollars in thousands)		Fair				Unrealized				Fair				Unrealized				Fair				Unrealized
Available for Sale:		Value				Losses				Value				Losses				Value				Losses
U.S. Government and federal agency		$	-			$	-			$	-			$	-			$	-			$	-
U.S. Treasury notes and bonds			-				-				78,204				12,606				78,204				12,606
State and municipal			89,158				12,612				140,390				34,939				229,548				47,551
Mortgage-backed			63,249				3,093				144,318				25,047				207,567				28,140
Corporate			711				46				-				-				711				46
Asset-backed securities			-				-				12,333				698				12,333				698
Total temporarily impaired		$	153,118			$	15,751			$	375,245			$	73,290			$	528,363			$	89,041

		2021
		Less than 12 months								More than 12 months								Total
(Dollars in thousands)		Fair				Unrealized				Fair				Unrealized				Fair				Unrealized
Available for Sale:		Value				Losses				Value				Losses				Value				Losses
U.S. Government and federal agency		$	-			$	-			$	-			$	-			$	-			$	-
U.S. Treasury notes and bonds			89,958				1,311				-				-				89,958				1,311
State and municipal			130,001				3,253				15,237				856				145,238				4,109
Mortgage-backed			261,560				5,709				86,974				3,340				348,534				9,049
Corporate			17,369				233				-				-				17,369				233
Asset-backed securities			16,294				93				-				-				16,294				93
Total temporarily impaired		$	515,182			$	10,599			$	102,211			$	4,196			$	617,393			$	14,795

Debt Securities, Held-to-maturity, Unrealized Loss Position, Fair Value [Table Text Block]

		2022
		Less than 12 months								More than 12 months								Total
(Dollars in thousands)		Fair				Unrealized				Fair				Unrealized				Fair				Unrealized
Held to Maturity:		Value				Losses				Value				Losses				Value				Losses
U.S. Government and federal agency		$	-			$	-			$	2,545			$	421			$	2,545			$	421
State and municipal			13,457				1,899				149,016				37,456				162,473				39,355
Mortgage-backed			25,582				822				145,024				29,046				170,606				29,868
Corporate			5,296				603				10,771				1,682				16,067				2,285
Asset-backed securities			-				-				897				77				897				77
Total temporarily impaired		$	44,335			$	3,324			$	308,253			$	68,682			$	352,588			$	72,006

Gain (Loss) on Securities [Table Text Block]

		2022				2021				2020
Net gains and losses recognized during the period		$	(955	)		$	479			$	(155	)
Less: Net gains and losses recognized during the period on securities sold			-				—				—
Unrealized gains and losses recognized during the reporting period on securities still held at the reporting date		$	(955	)		$	479			$	(155	)

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