INVESTMENT SECURITIES (Tables)

12 Months Ended

Dec. 31, 2017

Investments, Debt and Equity Securities [Abstract]

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

Note 2
INVESTMENT SECURITIES
Investment Portfolio Composition. The amortized cost and related market value of investment securities available-for-sale and
held-to-maturity were as follows:
	2017									2016
	Amortized		Unrealized		Unrealized		Market		Amortized		Unrealized		Unrealized		Market
(Dollars in Thousands)	Cost		Gains		Losses		Value		Cost		Gain		Losses		Value
Available for Sale
U.S. Government Treasury	$	237,505	$	-	$	2,164	$	235,341	$	286,867	$	262	$	851	$	286,278
U.S. Government Agency		144,324		727		407		144,644		131,489		495		344		131,640
States and Political Subdivisions		91,533		2		378		91,157		95,197		23		381		94,839
Mortgage-Backed Securities		1,102		83		-		1,185		1,312		118		-		1,430
Equity Securities(1)		8,584		-		-		8,584		8,547		-		-		8,547
Total	$	483,048	$	812	$	2,949	$	480,911	$	523,412	$	898	$	1,576	$	522,734
Held to Maturity
U.S. Government Treasury	$	98,256	$	-	$	441	$	97,815	$	119,131	$	107	$	81	$	119,157
States and Political Subdivisions		6,996		-		41		6,955		8,175		1		38		8,138
Mortgage-Backed Securities		111,427		22		1,212		110,237		50,059		29		637		49,451
Total	$	216,679	$	22	$	1,694	$	215,007	$	177,365	$	137	$	756	$	176,746
Total Investment Securities	$	699,727	$	834	$	4,643	$	695,918	$	700,777	$	1,035	$	2,332	$	699,480

Schedule of investment securities with maturity distribution based on contractual maturities

	Available for Sale				Held to Maturity
	Amortized		Market		Amortized		Market
(Dollars in Thousands)	Cost		Value		Cost		Value
Due in one year or less	$	107,977	$	107,740	$	63,381	$	63,271
Due after one through five years		258,193		255,593		41,871		41,499
Mortgage-Backed Securities		1,102		1,185		111,427		110,237
U.S. Government Agency		107,192		107,809		-		-
Equity Securities		8,584		8,584		-		-
Total	$	483,048	$	480,911	$	216,679	$	215,007

Schedule of investment securities with continuous unrealized loss position

	Less Than 12 Months				Greater Than 12 Months				Total
	Market		Unrealized		Market		Unrealized		Market		Unrealized
(Dollars in Thousands)	Value		Losses		Value		Losses		Value		Losses
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
December 31, 2016
Available for Sale
U.S. Government Treasury	$	116,704	$	851	$	-	$	-	$	116,704	$	851
U.S. Government Agency		48,520		310		6,699		34		55,219		344
States and Political Subdivisions		81,521		380		294		1		81,815		381
Mortgage-Backed Securities		3		-		-		-		3		-
Total		246,748		1,541		6,993		35		253,741		1,576
Held to Maturity
U.S. Government Treasury		35,210		81		-		-		35,210		81
States and Political Subdivisions		7,491		38		-		-		7,491		38
Mortgage-Backed Securities		36,710		599		4,010		38		40,720		637
Total	$	79,411	$	718	$	4,010	$	38	$	83,421	$	756