INVESTMENT SECURITIES (Tables)

6 Months Ended

Jun. 30, 2014

Investments Debt And Equity Securities [Abstract]

Amortized Cost and Estimated Fair Value of Securities Available for Sale

The amortized cost and estimated fair value of investment securities available for sale at June 30, 2014, December 31, 2013 and June 30, 2013 are presented below:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	(Dollars in Thousands)
June 30, 2014:
U. S. government agencies	$	14,950	$	—	$	(505	)	$	14,445
State, county and municipal securities		143,507		3,136		(863	)		145,780
Corporate debt securities		10,805		284		(131	)		10,958
Mortgage-backed securities		361,194		5,435		(2,182	)		364,447
Total securities	$	530,456	$	8,855	$	(3,681	)	$	535,630
December 31, 2013:
U. S. government agencies	$	14,947	$	—	$	(1,021	)	$	13,926
State, county and municipal securities		112,659		2,269		(2,174	)		112,754
Corporate debt securities		10,311		275		(261	)		10,325
Collateralized debt obligations		1,480		—		—			1,480
Mortgage-backed securities		349,441		2,347		(4,038	)		347,750
Total securities	$	488,838	$	4,891	$	(7,494	)	$	486,235
June 30, 2013:
U. S. government agencies	$	14,944	$	—	$	(609	)	$	14,335
State, county and municipal securities		109,793		3,708		(742	)		112,759
Corporate debt securities		10,543		311		(764	)		10,090
Mortgage-backed securities		177,196		3,824		(2,036	)		178,984
Total securities	$	312,476	$	7,843	$	(4,151	)	$	316,168

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

The amortized cost and fair value of available-for-sale securities at June 30, 2014 by contractual maturity are summarized in the table below. Expected maturities for mortgage-backed securities may differ from contractual maturities because in certain cases borrowers can prepay obligations without prepayment penalties. Therefore, these securities are not included in the following maturity summary:

	Amortized Cost		Fair Value
	(Dollars in Thousands)
Due in one year or less	$	5,055	$	5,123
Due from one year to five years		41,290		42,911
Due from five to ten years		66,456		66,794
Due after ten years		56,461		56,355
Mortgage-backed securities		361,194		364,447
	$	530,456	$	535,630

Schedule of Gross Unrealized Losses and Fair Value of Securities

The following table details the gross unrealized losses and fair value of securities aggregated by category and duration of continuous unrealized loss position at June 30, 2014, December 31, 2013 and June 30, 2013.

	Less Than 12 Months					12 Months or More					Total
Description of Securities	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
	(Dollars in Thousands)
June 30, 2014:
U. S. government agencies	$	—	$	—		$	14,445	$	(505	)	$	14,445	$	(505	)
State, county and municipal securities		4,088		(35	)		29,203		(828	)		33,291		(863	)
Corporate debt securities		—		—			4,945		(131	)		4,945		(131	)
Mortgage-backed securities		25,107		(65	)		51,039		(2,117	)		76,146		(2,182	)
Total temporarily impaired securities	$	29,195	$	(100	)	$	99,632	$	(3,581	)	$	128,827	$	(3,681	)
December 31, 2013:
U. S. government agencies	$	13,926	$	(1,021	)	$	—	$	—		$	13,926	$	(1,021	)
State, county and municipal securities		47,401		(1,882	)		3,794		(292	)		51,195		(2,174	)
Corporate debt securities		—		—			4,826		(261	)		4,826		(261	)
Collateralized debt obligations		—		—			—		—			—		—
Mortgage-backed securities		94,989		(2,493	)		23,388		(1,545	)		118,377		(4,038	)
Total temporarily impaired securities	$	156,316	$	(5,396	)	$	32,008	$	(2,098	)	$	188,324	$	(7,494	)
June 30, 2013:
U. S. government agencies	$	14,335	$	(609	)	$	—	$	—		$	14,335	$	(609	)
State, county and municipal securities		36,268		(726	)		497		(16	)		36,765		(742	)
Corporate debt securities		—		—			4,333		(764	)		4,333		(764	)
Mortgage-backed securities		68,031		(2,036	)		925		—			68,956		(2,036	)
Total temporarily impaired securities	$	118,634	$	(3,371	)	$	5,755	$	(780	)	$	124,389	$	(4,151	)

Gains and Losses on Sales of Securities Available for Sale

The following table is a summary of sales activities in the Company’s investment securities available for sale for the six months ended June 30, 2014, year ended December 31, 2013 and six months ended June 30, 2013:

	June 30, 2014			December 31, 2013			June 30, 2013
	(Dollars in Thousands)
Gross gains on sales of securities	$	8		$	353		$	353
Gross losses on sales of securities		(2	)		(182	)		(182	)
Net realized gains on sales of securities available for sale	$	6		$	171		$	171
Sales proceeds	$	69,768		$	36,669		$	31,340