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INVESTMENT SECURITIES (Tables)

6 Months Ended

Jun. 30, 2018

Investments, Debt and Equity Securities [Abstract]

Schedule of amortized cost and related market value of investment securities available-for-sale

Investment Portfolio Composition. The amortized cost and related market value of investment securities available-for-sale and
held-to-maturity were as follows:
	June 30, 2018													December 31, 2017
	Amortized			Unrealized			Unrealized			Market			Amortized			Unrealized			Unrealized			Market
	Cost			Gains			Losses			Value			Cost			Gain			Losses			Value
Available for Sale
U.S. Government Treasury	$	262,471		$	12		$	3,745		$	258,738		$	237,505		$	-		$	2,164		$	235,341
U.S. Government Agency		159,906			656			653			159,909			144,324			727			407			144,644
States and Political Subdivisions		66,348			1			218			66,131			91,533			2			378			91,157
Mortgage-Backed Securities		940			58			-			998			1,102			83			-			1,185
Equity Securities(1)		7,886			-			-			7,886			8,584			-			-			8,584
Total	$	497,551		$	727		$	4,616		$	493,662		$	483,048		$	812		$	2,949		$	480,911
Held to Maturity
U.S. Government Treasury	$	50,124		$	-		$	668		$	49,456		$	98,256		$	-		$	441		$	97,815
States and Political Subdivisions		6,621			-			32			6,589			6,996			-			41			6,955
Mortgage-Backed Securities		180,019			165			3,050			177,134			111,427			22			1,212			110,237
Total	$	236,764		$	165		$	3,750		$	233,179		$	216,679		$	22		$	1,694		$	215,007
Total Investment Securities	$	734,315		$	892		$	8,366		$	726,841		$	699,727		$	834		$	4,643		$	695,918

Schedule of investment securities with maturity distribution based on contractual maturities

	Available for Sale						Held to Maturity
(Dollars in Thousands)	Amortized Cost			Market Value			Amortized Cost			Market Value
Due in one year or less	$	92,474		$	92,106		$	16,635		$	16,617
Due after one year through five years		264,809			260,934			40,110			39,428
Mortgage-Backed Securities		940			998			180,019			177,134
U.S. Government Agency		131,442			131,738			-			-
Equity Securities		7,886			7,886			-			-
Total	$	497,551		$	493,662		$	236,764		$	233,179

Schedule of investment securities with continuous unrealized loss position

	Less Than						Greater Than
	12 Months						12 Months						Total
	Market			Unrealized			Market			Unrealized			Market			Unrealized
(Dollars in Thousands)	Value			Losses			Value			Losses			Value			Losses
June 30, 2018
Available for Sale
U.S. Government Treasury	$	146,449		$	2,127		$	97,386		$	1,618		$	243,835		$	3,745
U.S. Government Agency		67,628			377			25,212			276			92,840			653
States and Political Subdivisions		54,511			176			5,079			42			59,590			218
Mortgage-Backed Securities		2			-			-			-			2			-
Total		268,590			2,680			127,677			1,936			396,267			4,616
Held to Maturity
U.S. Government Treasury		24,574			489			24,882			179			49,456			668
States and Political Subdivisions		6,093			25			496			7			6,589			32
Mortgage-Backed Securities		108,323			1,742			29,894			1,308			138,217			3,050
Total	$	138,990		$	2,256		$	55,272		$	1,494		$	194,262		$	3,750
December 31, 2017
Available for Sale
U.S. Government Treasury	$	155,443		$	963		$	79,900		$	1,201		$	235,343		$	2,164
U.S. Government Agency		45,737			150			25,757			257			71,494			407
States and Political Subdivisions		82,999			320			5,549			58			88,548			378
Mortgage-Backed Securities		2			-			-			-			2			-
Total		284,181			1,433			111,206			1,516			395,387			2,949
Held to Maturity
U.S. Government Treasury		77,861			298			14,939			143			92,800			441
States and Political Subdivisions		6,955			41			-			-			6,955			41
Mortgage-Backed Securities		56,030			469			30,216			743			86,246			1,212
Total	$	140,846		$	808		$	45,155		$	886		$	186,001		$	1,694

X

- Definition

Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 320
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=75019621&loc=d3e62557-112803

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27337-111563

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27198-111563

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 320
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=75019621&loc=d3e62586-112803

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27357-111563

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563

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- Definition

Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments.

+ References

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- Definition

For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563

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