Securities (Tables)

9 Months Ended

Sep. 30, 2019

Investments Debt And Equity Securities [Abstract]

Summary of the Amortized Cost and Fair Value of Available-for-Sale Investment Securities Corresponding Amounts of Unrealized Gains and Losses

The following table summarizes the amortized cost and fair value of the available for sale investment securities portfolio at September 30, 2019 and December 31, 2018 and the corresponding amounts of unrealized gains and losses recognized in accumulated other comprehensive income:

			Gross		Gross
	Amortized		Unrealized		Unrealized
(In Thousands of Dollars)	Cost		Gains		Losses			Fair Value
September 30, 2019
U.S. Treasury and U.S. government sponsored entities	$	4,312	$	47	$	(4	)	$	4,355
State and political subdivisions		226,289		11,726		0			238,015
Corporate bonds		1,239		21		(1	)		1,259
Mortgage-backed securities - residential		146,869		2,175		(332	)		148,712
Collateralized mortgage obligations - residential		19,615		484		(231	)		19,868
Small Business Administration		10,953		53		(22	)		10,984
Totals	$	409,277	$	14,506	$	(590	)	$	423,193

			Gross		Gross
	Amortized		Unrealized		Unrealized
(In Thousands of Dollars)	Cost		Gains		Losses			Fair Value
December 31, 2018
U.S. Treasury and U.S. government sponsored entities	$	6,111	$	0	$	(102	)	$	6,009
State and political subdivisions		211,762		2,075		(1,893	)		211,944
Corporate bonds		1,206		0		(18	)		1,188
Mortgage-backed securities - residential		154,130		84		(4,167	)		150,047
Collateralized mortgage obligations - residential		21,775		72		(775	)		21,072
Small Business Administration		12,292		0		(362	)		11,930
Totals	$	407,276	$	2,231	$	(7,317	)	$	402,190

Amortized Cost and Fair Value of the Debt Securities Maturity

The amortized cost and fair value of the debt securities portfolio are shown by expected maturity.  Expected maturities may differ from contractual maturities if issuers have the right to call or prepay obligations with or without call or prepayment penalties. Securities not due at a single maturity date are shown separately.

	September 30, 2019
(In Thousands of Dollars)	Amortized Cost		Fair Value
Maturity
Within one year	$	6,354	$	6,398
One to five years		36,623		37,690
Five to ten years		156,976		166,191
Beyond ten years		31,887		33,350
Mortgage-backed, collateralized mortgage obligations and Small Business Administration securities		177,437		179,564
Total	$	409,277	$	423,193

Available for Sale Investment Securities with Unrealized Losses

The following table summarizes the available for sale investment securities with unrealized losses at September 30, 2019 and December 31, 2018, aggregated by major security type and length of time in a continuous unrealized loss position.

	Less than 12 Months					12 Months or Longer					Total
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
(In Thousands of Dollars)	Value		Loss			Value		Loss			Value		Loss
September 30, 2019
U.S. Treasury and U.S. government sponsored entities	$	0	$	0		$	1,071	$	(4	)	$	1,071	$	(4	)
State and political subdivisions		0		0			0		0			0		0
Corporate bonds		0		0			100		(1	)		100		(1	)
Mortgage-backed securities - residential		13,701		(56	)		24,691		(276	)		38,392		(332	)
Collateralized mortgage obligations - residential		1,379		(6	)		10,346		(225	)		11,725		(231	)
Small Business Administration		5,270		(22	)		3		0			5,273		(22	)
Total	$	20,350	$	(84	)	$	36,211	$	(506	)	$	56,561	$	(590	)

	Less than 12 Months					12 Months or Longer					Total
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
(In Thousands of Dollars)	Value		Loss			Value		Loss			Value		Loss
December 31, 2018
U.S. Treasury and U.S. government sponsored entities	$	648	$	(2	)	$	5,065	$	(100	)	$	5,713	$	(102	)
State and political subdivisions		23,569		(201	)		64,174		(1,692	)		87,743		(1,893	)
Corporate bonds		516		(4	)		672		(14	)		1,188		(18	)
Mortgage-backed securities - residential		13,002		(114	)		126,200		(4,053	)		139,202		(4,167	)
Collateralized mortgage obligations - residential		20		(1	)		14,003		(774	)		14,023		(775	)
Small Business Administration		11		0			11,919		(362	)		11,930		(362	)
Total	$	37,766	$	(322	)	$	222,033	$	(6,995	)	$	259,799	$	(7,317	)