Securities (Tables)

3 Months Ended

Mar. 31, 2015

Securities

Summary of available for sale securities

	March 31, 2015
			Gross		Gross
	Amortized		Unrealized		Unrealized		Estimated
(Dollars in thousands)	Cost		Gains		Losses		Fair Value
U.S. government agencies and corporations	$	20,710	$	5	$	(175)	$	20,540
Mortgage-backed securities		67,173		1,362		(52)		68,483
Obligations of states and political subdivisions		124,968		6,979		(136)		131,811
	$	212,851	$	8,346	$	(363)	$	220,834

	December 31, 2014
			Gross		Gross
	Amortized		Unrealized		Unrealized		Estimated
(Dollars in thousands)	Cost		Gains		Losses		Fair Value
U.S. government agencies and corporations	$	23,409	$	1	$	(476)	$	22,934
Mortgage-backed securities		66,716		935		(32)		67,619
Obligations of states and political subdivisions		124,312		7,158		(126)		131,344
	$	214,437	$	8,094	$	(634)	$	221,897

Schedule of amortized cost and estimated fair value of securities, by contractual maturity date

	March 31, 2015
	Amortized		Estimated
(Dollars in thousands)	Cost		Fair Value
Due in one year or less	$	30,585	$	30,716
Due after one year through five years		124,147		128,952
Due after five years through ten years		38,058		39,601
Due after ten years		20,061		21,565
	$	212,851	$	220,834

Schedule of securities in an unrealized loss position

Securities in an unrealized loss position at March 31, 2015, by duration of the period of the unrealized loss, are shown below.

	Less Than 12 Months				12 Months or More				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
(Dollars in thousands)	Value		Loss		Value		Loss		Value		Loss
U.S. government agencies and corporations	$	1,581	$	19	$	12,003	$	156	$	13,584	$	175
Mortgage-backed securities		2,894		37		2,429		15		5,323		52
Obligations of states and political subdivisions		8,578		88		3,727		48		12,305		136
Total temporarily impaired securities	$	13,053	$	144	$	18,159	$	219	$	31,212	$	363

Securities in an unrealized loss position at December 31, 2014, by duration of the period of the unrealized loss, are shown below.

	Less Than 12 Months				12 Months or More				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
(Dollars in thousands)	Value		Loss		Value		Loss		Value		Loss
U.S. government agencies and corporations	$	1,966	$	2	$	21,234	$	474	$	23,200	$	476
Mortgage-backed securities		—		—		4,518		32		4,518		32
Obligations of states and political subdivisions		6,279		51		6,049		75		12,328		126
Total temporarily impaired securities	$	8,245	$	53	$	31,801	$	581	$	40,046	$	634