SECURITIES (Tables)

12 Months Ended

Dec. 31, 2015

Investments, Debt and Equity Securities [Abstract]

Amortized Cost and Estimated Fair Value of Investment Securities Available for Sale

The amortized cost and estimated fair value of securities available for sale with gross unrealized gains and losses are summarized as follows:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
	(Dollars in Thousands)
December 31, 2015:
U.S. Government sponsored agencies	$	14,959	$	-	$	(69)	$	14,890
State, county and municipal securities		157,681		4,046		(411)		161,316
Corporate debt securities		5,900		145		(28)		6,017
Mortgage-backed securities		599,721		3,945		(2,704)		600,962
Total debt securities	$	778,261	$	8,136	$	(3,212)	$	783,185
December 31, 2014:
U.S. Government sponsored agencies	$	14,953	$	-	$	(275)	$	14,678
State, county and municipal securities		137,873		3,935		(433)		141,375
Corporate debt securities		10,812		228		-		11,040
Mortgage-backed securities		369,581		6,534		(1,403)		374,712
Total debt securities	$	533,219	$	10,697	$	(2,111)	$	541,805

Schedule of Gross Unrealized Losses and Fair Value of Securities

The following table shows the gross unrealized losses and estimated fair value of securities aggregated by category and length of time that securities have been in a continuous unrealized loss position at December 31, 2015 and 2014.

	Less Than 12 Months				12 Months or More				Total
Description of Securities	Estimated Fair Value		Unrealized Losses		Estimated Fair Value		Unrealized Losses		Estimated Fair Value		Unrealized Losses
	(Dollars in Thousands)
December 31, 2015:
U. S. Government sponsored agencies	$	9,932	$	(27)	$	4,958	$	(42)	$	14,890	$	(69)
State, county and municipal securities		19,293		(199)		11,557		(212)		30,850		(411)
Corporate debt securities		1,383		(28)		-		-		1,383		(28)
Mortgage-backed securities		263,281		(1,950)		29,950		(754)		293,231		(2,704)
Total temporarily impaired securities	$	293,889	$	(2,204)	$	46,465	$	(1,008)	$	340,354	$	(3,212)
December 31, 2014:
U. S. Government sponsored agencies	$	-	$	-	$	14,678	$	(275)	$	14,678	$	(275)
State, county and municipal securities		15,038		(70)		19,665		(363)		34,703		(433)
Corporate debt securities		-		-		-		-		-		-
Mortgage-backed securities		36,760		(221)		46,812		(1,182)		83,572		(1,403)
Total temporarily impaired securities	$	51,798	$	(291)	$	81,155	$	(1,820)	$	132,953	$	(2,111)

Amortized Cost and Fair Value of Available for Sale Securities by Contractual Maturity

The amortized cost and estimated fair value of debt securities available for sale as of December 31, 2015, by contractual maturity are shown below. Maturities may differ from contractual maturities in mortgage-backed securities because the mortgages underlying the securities may be called or repaid without penalty. Securities not due at a single maturity date are shown separately. Therefore, these securities are not included in the maturity categories in the following maturity summary.

	Amortized Cost		Estimated Fair Value
	(Dollars in Thousands)
Due in one year or less	$	5,405	$	5,421
Due from one year to five years		51,716		53,081
Due from five to ten years		62,296		63,868
Due after ten years		59,123		59,853
Mortgage-backed securities		599,721		600,962
	$	778,261	$	783,185

Gross Realized Gains And Losses On Sales Of Available For Sale Securities

Gains and losses on sales of securities available for sale consist of the following:

	December 31,
	2015		2014		2013
	(Dollars in Thousands)
Gross gains on sales of securities	$	396	$	141	$	353
Gross losses on sales of securities		(259)		(3)		(182)
Net realized gains on sales of securities available for sale	$	137	$	138	$	171