Investment Securities (Tables)

9 Months Ended

Sep. 30, 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 September 30, 2015 and December 31, 2014 are as follows:

	Available-for-Sale
	September 30, 2015
			Gross		Gross			Estimated
	Amortized		Unrealized		Unrealized			Fair
	Cost		Gains		Losses			Value
	(Dollars in Thousands)
Mortgage-backed securities:
Residential	$	137,596	$	1,236	$	(328	)	$	138,504
Commercial		46,371		196		(574	)		45,993
Obligations of states and political subdivisions		14,448		918		(8	)		15,358
Obligations of U.S. government-sponsored agencies		4,000		2		(6	)		3,996
Corporate notes		786		2		—			788
U.S. Treasury securities		80		—		—			80
Total	$	203,281	$	2,354	$	(916	)	$	204,719

	Held-to-Maturity
	September 30, 2015
			Gross		Gross			Estimated
	Amortized		Unrealized		Unrealized			Fair
	Cost		Gains		Losses			Value
	(Dollars in Thousands)
Mortgage-backed securities:
Commercial	$	16,144	$	41	$	(103	)	$	16,082
Obligations of U.S. government-sponsored agencies		15,831		33		(36	)		15,828
Obligations of states and political subdivisions		2,315		1		(4	)		2,312
Total	$	34,290	$	75	$	(143	)	$	34,222

	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 September 30, 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	$	192	$	193	$	—	$	—
Maturing after one to five years		8,254		8,573		713		708
Maturing after five to ten years		118,098		118,661		10,832		10,859
Maturing after ten years		76,737		77,292		22,745		22,655
Total	$	203,281	$	204,719	$	34,290	$	34,222

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 September 30, 2015 and December 31, 2014.

	Available-for-Sale
	September 30, 2015
	Less than 12 Months					12 Months or More
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
	(Dollars in Thousands)
Mortgage-backed securities:
Residential	$	58,366	$	(203	)	$	6,649	$	(125	)
Commercial		28,077		(203	)		6,111		(371	)
Obligations of U.S. government-sponsored agencies		1,993		(6	)		—		—
Obligations of states and political subdivisions		445		(8	)		—		—
Total	$	88,881	$	(420	)	$	12,760	$	(496	)

	Held-to-Maturity
	September 30, 2015
	Less than 12 Months					12 Months or More
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
	(Dollars in Thousands)
Mortgage-backed securities:
Commercial	$	13,891	$	(103	)	$	—	$	—
Obligations of U.S. government-sponsored agencies		3,205		(4	)		1,614		(32	)
Obligations of states and political subdivisions		933		(4	)		—		—
Total	$	18,029	$	(111	)	$	1,614	$	(32	)

	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	)