Note 2 - Investment Securities (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

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

			Gross		Gross
	Amortized		Unrealized		Unrealized
2022	Cost		Gains		Losses		Fair Value
Securities available-for-sale
Mortgage-backed securities	$	107,055	$	-	$	10,083	$	96,972
State, County, Municipals		134,906		-		30,993		103,913
Other securities		500		-		63		437
Total	$	242,461	$	-	$	41,139	$	201,322

			Gross		Gross
	Amortized		Unrealized		Unrealized
2021	Cost		Gains		Losses		Fair Value
Securities available-for-sale
Obligations of U.S. Government agencies	$	4,969	$	-	$	269	$	4,700
Mortgage-backed securities		411,729		42		12,180		399,591
State, County, Municipals		230,359		700		4,008		227,051
Other securities		500		-		7		493
Total	$	647,557	$	742	$	16,464	$	631,835

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

			Gross		Gross
	Amortized		Unrealized		Unrealized
2022	Cost		Gains		Losses		Fair Value
Securities held-to-maturity
Obligations of U.S. Government agencies	$	4,002	$	-	$	367	$	3,635
Mortgage-backed securities		309,748		-		24,654		285,094
State, County, Municipals		92,840		-		6,277		86,563
Total	$	406,590	$	-	$	31,298	$	375,292

Schedule of Unrealized Loss on Investments [Table Text Block]

December 31, 2022
Available-for-sale	Less than 12 months				12 months or more				Total
Description of Securities	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Mortgage backed securities	$	70,652	$	3,838	$	26,320	$	6,245	$	96,972	$	10,083
State, County, Municipal		45,200		9,027		58,713		21,966		103,913		30,993
Other securities		-		-		437		63		437		63
Total	$	115,852	$	12,865	$	85,470	$	28,274	$	201,322	$	41,139

Held-to-maturity	Less than 12 months				12 months or more				Total
Description of Securities	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Obligations of U.S. Government agencies	$	-	$	-	$	3,635	$	367	$	3,635	$	367
Mortgage backed securities		17,882		1,333		267,212		23,321		285,094		24,654
State, County, Municipal		15,059		781		71,504		5,496		86,563		6,277
Total	$	32,941	$	2,114	$	342,351	$	29,184	$	375,292	$	31,298

December 31, 2021
Available-for-sale	Less than 12 months				12 months or more				Total
Description of Securities	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Obligations of U.S. Government agencies	$	4,700	$	269	$	-	$	-	$	4,700	$	269
Mortgage backed securities		376,644		11,535		19,986		645		396,630		12,180
State, County, Municipal		175,520		4,008		119		-		175,639		4,008
Other securities		-		-		493		7		493		7
Total	$	556,864	$	15,812	$	20,598	$	652	$	577,462	$	16,464

Investments Classified by Contractual Maturity Date [Table Text Block]

	Available-for-sale				Held-to-maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
Due in one year or less	$	721	$	657	$	-	$	-
Due after one year through five years		3,152		3,042		-		-
Due after five years through ten years		5,275		4,853		-		-
Due after ten years		126,258		95,798		96,842		90,198
Residential mortgage backed securities		94,226		84,481		250,615		230,771
Commercial mortgage backed securities		12,829		12,491		59,133		54,323
Total	$	242,461	$	201,322	$	406,590	$	375,292

	Available-for-sale				Held-to-maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
December 31, 2021
Due in one year or less	$	216	$	217	$	-	$	-
Due after one year through five years		1,895		1,924		-		-
Due after five years through ten years		4,226		4,287		-		-
Due after ten years		229,491		225,816		-		-
Residential mortgage backed securities		332,779		323,736		-		-
Commercial mortgage backed securities		78,950		75,855		-		-
Total	$	647,557	$	631,835	$	-	$	-

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

	2022		2021		2020
Gross realized gains	$	-	$	4,257	$	1,656
Gross realized losses		-		2,879		827
Net realized gains	$	-	$	1,378	$	829