Securities (Tables)

6 Months Ended

Jun. 30, 2015

Investments, Debt and Equity Securities [Abstract]

Held to maturity securities

Amortized costs and fair values of securities held to maturity are summarized as follows.

	June 30, 2015
(Dollars in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Held to Maturity
Obligations of states and political subdivisions	$	1,500	$	—	$	(126	)	$	1,374
Total	$	1,500	$	—	$	(126	)	$	1,374

	December 31, 2014
(Dollars in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Held to Maturity
Obligations of states and political subdivisions	$	1,500	$	—	$	(103	)	$	1,397
Total	$	1,500	$	—	$	(103	)	$	1,397

The amortized cost and fair value of securities held to maturity as of June 30, 2015, by contractual maturity are shown below. 

	June 30, 2015
(Dollars in thousands)	Amortized Cost		Fair Value
Held to Maturity
Due after ten years	$	1,500	$	1,374
Total	$	1,500	$	1,374

Amortized costs and fair values of securities available for sale

Amortized costs and fair values of securities available for sale are summarized as follows:

	June 30, 2015
(Dollars in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Available for Sale
U.S. government agencies	$	45,291	$	336	$	(156	)	$	45,471
U.S. Treasury securities	50		—		—			50
Obligations of states and political subdivisions	71,900		1,864		(521		)	73,243
Mortgage-backed securities:
Agency	142,586		4,323		(543		)	146,366
Non-agency	17,892		28		(54		)	17,866
Other asset backed securities	51,803		698		(308		)	52,193
Corporate securities	17,553		15		(767		)	16,801
Total	$	347,075	$	7,264	$	(2,349	)	$	351,990

	December 31, 2014
(Dollars in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Available for Sale
U.S. government agencies	$	41,317	$	283	$	(203	)	$	41,397
Obligations of states and political subdivisions	55,541		2,408		(209		)	57,740
Mortgage-backed securities:
Agency	169,257		4,698		(742		)	173,213
Non-agency	28,235		115		(227		)	28,123
Other asset backed securities	31,338		433		(58		)	31,713
Corporate securities	16,545		131		(599		)	16,077
Total	$	342,233	$	8,068	$	(2,038	)	$	348,263

Amortized cost and fair value of securities available for sale by contractual maturity

The amortized cost and fair value of securities available for sale as of June 30, 2015, by contractual maturity are shown below.  Maturities may differ from contractual maturities in corporate and mortgage-backed securities because the securities and mortgages underlying the securities may be called or repaid without any penalties.  Therefore, these securities are not included in the maturity categories in the following maturity summary.

	June 30, 2015
(Dollars in thousands)	Amortized Cost		Fair Value
Due in one year or less	$	240	$	242
Due after one year through five years	8,983		9,253
Due after five years through ten years	28,048		27,922
Due after ten years	97,523		98,148
Mortgage-backed securities	160,478		164,232
Other asset backed securities	51,803		52,193
Total	$	347,075	$	351,990

Investments in continuous unrealized loss position

Investments in an unrealized loss position that are temporarily impaired are as follows:

(Dollars in thousands)	Less than Twelve Months					Twelve Months or Greater					Total
June 30, 2015	Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses
Held to Maturity
Obligations of states and political subdivisions	$	1,374	$	(126	)	$	—	$	—		$	1,374	$	(126	)
Total	$	1,374	$	(126	)	$	—	$	—		$	1,374	$	(126	)
Available for Sale
U.S. government agencies	$	18,059	$	(87	)	$	2,553	$	(69	)	$	20,612	$	(156	)
Obligations of states and political subdivisions	22,972		(288		)	3,504		(233		)	26,476		(521		)
Mortgage-backed securities:
Agency	24,994		(327		)	6,692		(216		)	31,686		(543		)
Non-agency	11,879		(53		)	55		(1		)	11,934		(54		)
Other asset backed securities	14,191		(86		)	10,890		(222		)	25,081		(308		)
Corporate securities	12,932		(442		)	2,675		(325		)	15,607		(767		)
Total	$	105,027	$	(1,283	)	$	26,369	$	(1,066	)	$	131,396	$	(2,349	)

(Dollars in thousands)	Less than Twelve Months					Twelve Months or Greater					Total
December 31, 2014	Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses
Held to Maturity
Obligations of states and political subdivisions	$	1,397	$	(103	)	$	—	$	—		$	1,397	$	(103	)
Total	$	1,397	$	(103	)	$	—	$	—		$	1,397	$	(103	)
Available for Sale
U.S. government agencies	$	15,331	$	(65	)	$	5,833	$	(138	)	$	21,164	$	(203	)
Obligations of states and political subdivisions	2,780		(14		)	3,456		(195		)	6,236		(209		)
Mortgage-backed securities:
Agency	28,065		(327		)	11,027		(415		)	39,092		(742		)
Non-agency	15,488		(167		)	4,730		(60		)	20,218		(227		)
Other asset backed securities	6,594		(45		)	1,077		(13		)	7,671		(58		)
Corporate securities	9,192		(391		)	792		(208		)	9,984		(599		)
Total	$	77,450	$	(1,009	)	$	26,915	$	(1,029	)	$	104,365	$	(2,038	)