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Note 2 - Securities (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

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

		September 30, 2021
						Gross				Gross
(Dollars in thousands)		Amortized				Unrealized				Unrealized				Fair
		Cost				Gains				Losses				Value
Equity securities		$	7,898			$	600			$	(79	)		$	8,419

December 31, 2020

Gross

Gross

(Dollars in thousands)

Amortized

Unrealized

Unrealized

Fair

Cost

Gains

Losses

Value

Equity securities

$

2,836

$

60

$

-

$

2,896

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

		September 30, 2021
						Gross				Gross
(Dollars in thousands)		Amortized				Unrealized				Unrealized				Fair
		Cost				Gains				Losses				Value
U.S. Government and federal agency		$	2,002			$	18			$	-			$	2,020
U.S. Treasury notes and bonds			93,381				58				(653	)			92,786
State and municipal			488,858				10,584				(2,704	)			496,738
Mortgage-backed			411,376				1,207				(5,887	)			406,696
Corporate			13,107				31				(125	)			13,013
Asset-backed securities			16,897				3				(38	)			16,862
Total		$	1,025,621			$	11,901			$	(9,407	)		$	1,028,115

		December 31, 2020
						Gross				Gross
(Dollars in thousands)		Amortized				Unrealized				Unrealized				Fair
		Cost				Gains				Losses				Value
U.S. Government and federal agency		$	2,007			$	44			$	-			$	2,051
U.S. Treasury notes and bonds			1,996				60				-				2,056
State and municipal			307,201				13,191				(24	)			320,368
Mortgage-backed			246,085				1,510				(872	)			246,723
Corporate			3,539				51				(1	)			3,589
Total		$	560,828			$	14,856			$	(897	)		$	574,787

Investments Classified by Contractual Maturity Date [Table Text Block]

		Securities maturing within:
																		Fair Value
		Less than				1 Year -				5 Years -				More than				at September 30,				Fair Value at Dec. 31,
(Dollars in thousands)		1 Year				5 Years				10 Years				10 Years				2021				2020
U.S. Government and federal agency		$	2,020			$	-			$	-			$	-			$	2,020			$	2,051
U.S. Treasury notes and bonds			2,033				-				90,753				-				92,786				2,056
State and municipal			18,807				58,342				337,206				82,383				496,738				320,368
Corporate			507				828				10,678				1,000				13,013				3,589
Asset-backed securities			-				12,691				4,171				-				16,862				-
Total debt securities			23,367				71,861				442,808				83,383				621,419				328,064
Mortgage-backed securities			17,061				148,397				240,579				659				406,696				246,723
Equity securities			-				1,000				-				7,419				8,419				2,896
Total		$	40,428			$	221,258			$	683,387			$	91,461			$	1,036,534			$	577,683

		Weighted average yields:
		Less than				1 Year -				5 Years -				More than
		1 Year				5 Years				10 Years				10 Years				Total
U.S. Government and federal agency			1.98	%			-	%			-	%			-	%			1.98	%
U.S. Treasury notes and bonds			1.85				-				1.16				-				1.18
State and municipal			2.80				2.86				2.50				2.33				2.52
Corporate			2.50				3.50				2.80				3.75				2.90
Asset-backed securities			-				0.64				0.76				-				0.67
Mortgage-backed securities			1.69				1.58				1.38				2.90				1.47
Equity securities			-				3.69				-				-				0.44

Gain (Loss) on Securities [Table Text Block]

		Three Months Ended								Nine Months Ended
		September 30,								September 30,
		2021				2020				2021				2020
Net gains and (losses) recognized during the period		$	(28	)		$	(238	)		$	461			$	(184	)
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		$	(28	)		$	(238	)		$	461			$	(184	)

X

- Definition

Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-URI http://asc.fasb.org/topic&trid=2196928

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