Debt and Equity Securities (Tables)

6 Months Ended

Jun. 30, 2014

Investments Debt And Equity Securities [Abstract]

Summary of Debt and Equity Securities

Debt and equity securities have been classified in the consolidated balance sheet according to management’s intent. Debt and equity securities at June 30, 2014 and December 31, 2013 are summarized as follows:

	June 30, 2014
	Securities Available-For-Sale
	In Thousands
			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Market
	Cost		Gains		Losses		Value
U.S. Government-sponsored enterprises (GSEs)* and agency-backed securities	$	178,836	$	168	$	2,789	$	176,215
Mortgage-backed:
GSE residential		159,871		863		795		159,939
Obligations of states and political subdivisions		14,360		73		233		14,200
	$	353,067	$	1,104	$	3,817	$	350,354
	June 30, 2014
	Securities Held-To-Maturity
	In Thousands
			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Market
	Cost		Gains		Losses		Value
Mortgage-backed:
Government-sponsored enterprises (GSEs)* residential	$	8,221	$	79	$	290	$	8,010
Obligations of states and political subdivisions		21,026		384		134		21,276
	$	29,247	$	463	$	424	$	29,286
	December 31, 2013
	Securities Available-For-Sale
	In Thousands
			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Market
	Cost		Gains		Losses		Value
U.S. Government-sponsored enterprises (GSEs)* and agency-backed securities	$	146,769	$	10	$	5,961	$	140,818
Mortgage-backed:
GSE residential		175,855		808		1,481		175,182
Obligations of states and political subdivisions		13,711		71		409		13,373
	$	336,335	$	889	$	7,851	$	329,373

	December 31, 2013
	Securities Held-To-Maturity
	In Thousands
			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Market
	Cost		Gains		Losses		Value
Mortgage-backed:
Government-sponsored enterprises (GSEs)* residential	$	8,649	$	73	$	520	$	8,202
Obligations of states and political subdivisions		18,174		424		239		18,359
	$	26,823	$	497	$	759	$	26,561

Maturity of Amortized Cost and Estimated Market Value of Debt Securities

The amortized cost and estimated market value of debt securities at June 30, 2014, by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.

	Held-to-Maturity				Available-for-sale
	In Thousands
			Estimated				Estimated
	Amortized		Market		Amortized		Market
	Cost		Value		Cost		Value
Due in one year or less	$	1,677	$	1,705	$	4,391	$	4,405
Due after one year through five years		11,085		11,326		57,729		57,210
Due after five years through ten years		3,936		3,955		182,835		180,948
Due after ten years		12,549		12,300		108,112		107,791
	$	29,247	$	29,286	$	353,067	$	350,354

Gross Unrealized Losses and Fair Value of Company's Investments

The following table shows the gross unrealized losses and fair value of the Company’s investments with unrealized losses that are not deemed to be other-than-temporarily impaired, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position at June 30, 2014 and December 31, 2013.

	In Thousands, Except Number of Securities
	Less than 12 Months						12 Months or More						Total
					Number						Number
					of						of
	Fair		Unrealized		Securities		Fair		Unrealized		Securities		Fair		Unrealized
June 30, 2014	Value		Losses		Included		Value		Losses		Included		Value		Losses
Held to Maturity Securities:
Mortgage-backed:
Government-sponsored enterprises (GSEs)* residential	$	1,025	$	3		1	$	5,808	$	287		6	$	6,833	$	290
Obligations of states and political subdivisions		5,138		23		14		4,305		111		11		9,443		134
	$	6,163	$	26		15	$	10,113	$	398		17	$	16,276	$	424
Available-for-Sale Securities:
US Government-Sponsored enterprises (GSEs) and agency- backed securities*	$	52,078	$	535		22	$	90,178	$	2,254		29	$	142,256	$	2,789
Mortgage-backed:
Government-sponsored enterprises (GSEs)* residential		65,144		402		25		23,673		393		13		88,817		795
Obligations of states and political subdivisions		3,140		14		5		6,302		219		18		9,442		233
	$	120,362	$	951		52		120,153	$	2,866		60	$	240,515	$	3,817

	In Thousands, Except Number of Securities
	Less than 12 Months						12 Months or More						Total
					Number						Number
					of						of
	Fair		Unrealized		Securities		Fair		Unrealized		Securities		Fair		Unrealized
December 31, 2013	Value		Losses		Included		Value		Losses		Included		Value		Losses
Held to Maturity Securities:
Mortgage-backed:
Government-sponsored enterprises (GSEs)* residential	$	6,678	$	520		5	$	—	$	—		—	$	6,678	$	520
Obligations of states and political subdivisions		7,817		231		21		343		8		2		8,160		239
	$	14,495	$	751		26	$	343	$	8		2	$	14,838	$	759
Available-for-Sale Securities:
U.S. Government – Sponsored enterprises (GSEs)	$	108,234	$	4,358		37	$	19,479	$	1,603		7	$	127,713	$	5,961
Mortgage-backed:
Government-sponsored Enterprises (GSEs)* residential		97,805		1,449		32		1,866		32		2		99,671		1,481
Obligations of states and political subdivisions		5,645		95		14		4,766		314		14		10,411		409
	$	211,684	$	5,902		83	$	26,111	$	1,949		23	$	237,795	$	7,851