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Securities (Tables)

6 Months Ended

Jun. 30, 2017

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 June 30, 2017 and December 31, 2016 and the corresponding amounts of unrealized gains and losses recognized in accumulated other comprehensive income:

					Gross				Gross
(In Thousands of Dollars)	Amortized				Unrealized				Unrealized
	Cost				Gains				Losses				Fair Value
June 30, 2017
U.S. Treasury and U.S. government sponsored entities	$	5,467			$	14			$	(20	)		$	5,461
State and political subdivisions		175,801				3,101				(734	)			178,168
Corporate bonds		1,238				7				(4	)			1,241
Mortgage-backed securities - residential		171,498				1,153				(895	)			171,756
Collateralized mortgage obligations - residential		19,652				3				(558	)			19,097
Small Business Administration		15,825				0				(274	)			15,551
Equity securities		173				182				(1	)			354
Totals	$	389,654			$	4,460			$	(2,486	)		$	391,628

					Gross				Gross
(In Thousands of Dollars)	Amortized				Unrealized				Unrealized
	Cost				Gains				Losses				Fair Value
December 31, 2016
U.S. Treasury and U.S. government sponsored entities	$	5,970			$	5			$	(54	)		$	5,921
State and political subdivisions		157,014				1,049				(2,760	)			155,303
Corporate bonds		1,343				4				(8	)			1,339
Mortgage-backed securities - residential		171,215				1,019				(2,552	)			169,682
Collateralized mortgage obligations - residential		21,397				1				(705	)			20,693
Small Business Administration		17,236				0				(530	)			16,706
Equity securities		168				185				(2	)			351
Totals	$	374,343			$	2,263			$	(6,611	)		$	369,995

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.

		June 30, 2017
(In Thousands of Dollars)		Amortized Cost				Fair Value
Maturity
Within one year		$	11,945			$	11,997
One to five years			50,282				51,090
Five to ten years			104,186				105,633
Beyond ten years			16,093				16,150
Mortgage-backed, collateralized mortgage obligations and Small    Business Administration securities			206,975				206,404
Total		$	389,481			$	391,274

Investment Securities with Unrealized Losses

The following table summarizes the investment securities with unrealized losses at June 30, 2017 and December 31, 2016, aggregated by major security type and length of time in a continuous unrealized loss position.

	Less than 12 Months								12 Months or Longer								Total
(In Thousands of Dollars)	Fair				Unrealized				Fair				Unrealized				Fair				Unrealized
	Value				Loss				Value				Loss				Value				Loss
June 30, 2017
Available-for-sale
U.S. Treasury and U.S. government sponsored entities	$	2,392			$	(20	)		$	0			$	0			$	2,392			$	(20	)
State and political subdivisions		33,517				(727	)			291				(7	)			33,808				(734	)
Corporate bonds		582				(4	)			0				0				582				(4	)
Mortgage-backed securities - residential		61,503				(856	)			1,861				(39	)			63,364				(895	)
Collateralized mortgage obligations - residential		7,241				(81	)			10,271				(477	)			17,512				(558	)
Small Business Administration		8,176				(77	)			7,336				(197	)			15,512				(274	)
Equity securities		28				(1	)			0				0				28				(1	)
Total	$	113,439			$	(1,766	)		$	19,759			$	(720	)		$	133,198			$	(2,486	)

	Less than 12 Months								12 Months or Longer								Total
(In Thousands of Dollars)	Fair				Unrealized				Fair				Unrealized				Fair				Unrealized
	Value				Loss				Value				Loss				Value				Loss
December 31, 2016
Available-for-sale
U.S. Treasury and U.S. government sponsored entities	$	4,015			$	(54	)		$	502			$	0			$	4,517			$	(54	)
State and political subdivisions		92,560				(2,745	)			286				(15	)			92,846				(2,760	)
Corporate bonds		786				(8	)			0				0				786				(8	)
Mortgage-backed securities - residential		98,348				(1,823	)			29,743				(729	)			128,091				(2,552	)
Collateralized mortgage obligations - residential		7,956				(108	)			10,972				(597	)			18,928				(705	)
Small Business Administration		8,770				(205	)			7,890				(325	)			16,660				(530	)
Equity securities		44				(2	)			0				0				44				(2	)
Total	$	212,479			$	(4,945	)		$	49,393			$	(1,666	)		$	261,872			$	(6,611	)

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 320
-Section 50
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-URI http://asc.fasb.org/extlink&oid=75019621&loc=d3e62557-112803

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-Name Accounting Standards Codification
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