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Note 2 - Securities (Tables)

6 Months Ended

Jun. 30, 2021

Notes Tables

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

		June 30, 2021
						Gross				Gross
(Dollars in thousands)		Amortized				Unrealized				Unrealized				Fair
		Cost				Gains				Losses				Value
Equity securities		$	7,856			$	587			$	(38	)		$	8,405

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]

		June 30, 2021
						Gross				Gross
(Dollars in thousands)		Amortized				Unrealized				Unrealized				Fair
		Cost				Gains				Losses				Value
U.S. Government and federal agency		$	2,004			$	26			$	-			$	2,030
U.S. Treasury notes and bonds			37,195				166				-				37,361
State and municipal			476,698				12,657				(1,914	)			487,441
Mortgage-backed			320,612				1,596				(3,895	)			318,313
Corporate			8,303				39				-				8,342
Asset-backed securities			2,077				-				(9	)			2,068
Total		$	846,889			$	14,484			$	(5,818	)		$	855,555

		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				Fair Value
		Less than				1 Year -				5 Years -				More than				at June 30,				at Dec. 31,
(Dollars in thousands)		1 Year				5 Years				10 Years				10 Years				2021				2020
U.S. Government and federal agency		$	2,030			$	-			$	-			$	-			$	2,030			$	2,051
U.S. Treasury notes and bonds			-				2,040				35,321				-				37,361				2,056
State and municipal			14,546				59,291				317,995				95,609				487,441				320,368
Corporate			502				1,040				5,800				1,000				8,342				3,589
Asset-backed securities			-				2,068				-				-				2,068				-
Total debt securities			17,078				64,439				359,116				96,609				537,242				328,064
Mortgage-backed securities			12,924				97,585				200,623				7,181				318,313				246,723
Equity securities			-				1,000				-				7,405				8,405				2,896
Total		$	30,002			$	163,024			$	559,739			$	111,195			$	863,960			$	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				1.24				-				1.27
State and municipal			3.12				2.88				2.51				2.33				2.54
Corporate			2.57				2.86				3.70				3.75				3.75
Asset-backed securities			-				0.94				-				-				0.94
Mortgage-backed securities			1.78				1.83				1.26				1.74				1.47
Equity securities			-				4.66				-				-				0.55

Gain (Loss) on Securities [Table Text Block]

		Three Months Ended								Six Months Ended
		June 30,								June 30,
		2021				2020				2021				2020
Net gains and (losses) recognized during the period		$	(119	)		$	443			$	489			$	54
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		$	(119	)		$	443			$	489			$	54

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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