Investment Securities (Tables)

3 Months Ended

Mar. 31, 2015

Investments Debt And Equity Securities [Abstract]

Investment Securities Available-for-Sale and Held-to-Maturity

Details of investment securities available-for-sale and held-to-maturity as of March 31, 2015 and December 31, 2014 are as follows:

	Available-for-Sale
	March 31, 2015
			Gross		Gross			Estimated
	Amortized		Unrealized		Unrealized			Fair
	Cost		Gains		Losses			Value
	(Dollars in Thousands)
Mortgage-backed securities:
Residential	$	136,318	$	1,667	$	(224	)	$	137,761
Commercial		48,525		266		(240	)		48,551
Obligations of states and political subdivisions		15,075		1,165	—				16,240
Obligations of U.S. government-sponsored agencies		6,338		24	—				6,362
Corporate notes		798	—			(2	)		796
U.S. Treasury securities		80	—		—				80
Total	$	207,134	$	3,122	$	(466	)	$	209,790

	Held-to-Maturity
	March 31, 2015
			Gross		Gross			Estimated
	Amortized		Unrealized		Unrealized			Fair
	Cost		Gains		Losses			Value
	(Dollars in Thousands)
Obligations of U.S. government-sponsored agencies	$	22,672	$	40	$	(55	)	$	22,657
Mortgage-backed securities:
Commercial		16,820		48		(74	)		16,794
Obligations of states and political subdivisions		582	—		—				582
Total	$	40,074	$	88	$	(129	)	$	40,033

	Available-for-Sale
	December 31, 2014
			Gross		Gross			Estimated
	Amortized		Unrealized		Unrealized			Fair
	Cost		Gains		Losses			Value
	(Dollars in Thousands)
Mortgage-backed securities:
Residential	$	139,980	$	1,896	$	(192	)	$	141,684
Commercial		35,873		164		(93	)		35,944
Obligations of states and political subdivisions		15,673		1,241		—			16,914
Obligations of U.S. government-sponsored agencies		6,360		5		(1	)		6,364
U.S. Treasury securities		4,153		—		(93	)		4,060
Total	$	202,039	$	3,306	$	(379	)	$	204,966

	Held-to-Maturity
	December 31, 2014
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
	(Dollars in Thousands)
Mortgage-backed securities:
Commercial	$	10,666	$	65	$	(2	)	$	10,729
Obligations of U.S. government-sponsored agencies		17,870		19		(52	)		17,837
Obligations of states and political subdivisions		584		4		—			588
Total	$	29,120	$	88	$	(54	)	$	29,154

Scheduled Maturities of Investment Securities Available-for-Sale and Held-to-Maturity

The scheduled maturities of investment securities available-for-sale and held-to-maturity as of March 31, 2015 are presented in the following table:

	Available-for-Sale				Held-to-Maturity
	Amortized Cost		Estimated Fair Value		Amortized Cost		Estimated Fair Value
	(Dollars in Thousands)
Maturing within one year	$	422	$	422	$	—	$	—
Maturing after one to five years		8,975		9,381		971		958
Maturing after five to ten years		119,536		120,515		6,568		6,581
Maturing after ten years		78,201		79,472		32,535		32,494
Total	$	207,134	$	209,790	$	40,074	$	40,033

Investments' Gross Unrealized Losses and Fair Value

The following table reflects gross unrealized losses and fair value, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position, as of March 31, 2015 and December 31, 2014.

	Available-for-Sale
	March 31, 2015
	Less than 12 Months					12 Months or More
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
	(Dollars in Thousands)
Mortgage-backed securities:
Residential	$	31,006	$	(99	)	$	7,203	$	(125	)
Commercial		28,923		(225	)		1,256		(15	)
Corporate notes		796		(2	)	—		—
Total	$	60,725	$	(326	)	$	8,459	$	(140	)

	Held-to-Maturity
	March 31, 2015
	Less than 12 Months					12 Months or More
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
	(Dollars in Thousands)
Mortgage-backed securities:
Commercial	$	13,740	$	(74	)	$	—	$	—
Obligations of U.S. government-sponsored agencies		3,957		(13	)		1,673		(42	)
Total	$	17,697	$	(87	)	$	1,673	$	(42	)

	Available-for-Sale
	December 31, 2014
	Less than 12 Months					12 Months or More
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
	(Dollars in Thousands)
Mortgage-backed securities:
Residential	$	24,459	$	(67	)	$	7,630	$	(125	)
Commercial		19,069		(70	)		1,304		(23	)
Obligations of U.S. government-sponsored agencies		1,999		(1	)		—		—
Obligations of states and political subdivisions		269		—			—		—
U.S. Treasury securities		80		—			3,980		(93	)
Total	$	45,876	$	(138	)	$	12,914	$	(241	)

	Held-to-Maturity
	December 31, 2014
	Less than 12 Months					12 Months or More
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
	(Dollars in Thousands)
Obligations of U.S. government-sponsored agencies	$	—	$	—		$	11,664	$	(52	)
Mortgage-backed securities:
Commercial		538		(2	)		—		—
Total	$	538	$	(2	)	$	11,664	$	(52	)