Securities Available for Sale (Tables)

6 Months Ended

Jun. 30, 2014

Investments Debt And Equity Securities [Abstract]

Schedule of Securities Available for Sale Portfolio

The Company’s securities available for sale portfolio is summarized as follows:

(Dollar amounts in thousands)	Amortized cost		Unrealized gains		Unrealized losses			Fair value
June 30, 2014:
Trust preferred securities	$	45,399	$	331	$	(6,876	)	$	38,854
Municipal securities		172,249		8,746		(683	)		180,312
Equity securities - financial institutions		677		776		—			1,453
Corporate bonds		181,854		4,764		—			186,618
Mortgage-backed securities
U.S. sponsored entities		663,756		23,192		(2,403	)		684,545
Private label		1,547		25		—			1,572
Subtotal mortgage-backed securities		665,303		23,217		(2,403	)		686,117
Total securities	$	1,065,482	$	37,834	$	(9,962	)	$	1,093,354
December 31, 2013:
Trust preferred securities	$	45,589	$	225	$	(6,908	)	$	38,906
Municipal securities		178,579		5,310		(4,149	)		179,740
Equity securities - financial institutions		953		968		—			1,921
Corporate bonds		201,268		5,313		(361	)		206,220
Mortgage-backed securities
U.S. sponsored entities		623,134		18,397		(7,107	)		634,424
Private label		1,788		21		(4	)		1,805
Subtotal mortgage-backed securities		624,922		18,418		(7,111	)		636,229
Total securities	$	1,051,311	$	30,234	$	(18,529	)	$	1,063,016

Schedule of Investments Gross Unrealized Losses and Fair Value

The following table shows the Company’s investments 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, at June 30, 2014:

As of June 30, 2014
(Dollar amounts in thousands)	Less than 12 Months						12 Months or more						Total
	# of Securities		Fair Value		Unrealized losses		# of Securities		Fair Value		Unrealized losses		# of Securities		Fair Value		Unrealized losses
Trust preferred securities		—	$	—	$	—		8	$	37,055	$	6,876		8	$	37,055	$	6,876
Municipal securities		4		3,742		27		18		15,850		656		22		19,592		683
Mortgage-backed securities
U.S. sponsored entities		1		3,152		16		41		138,506		2,387		42		141,658		2,403
Total		5	$	6,894	$	43		67	$	191,411	$	9,919		72	$	198,305	$	9,962

The following table shows the Company’s investments 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, at December 31, 2013:

As of December 31, 2013
(Dollar amounts in thousands)	Less than 12 Months						12 Months or more						Total
	# of Securities		Fair Value		Unrealized losses		# of Securities		Fair Value		Unrealized losses		# of Securities		Fair Value		Unrealized losses
Trust preferred securities		—	$	—	$	—		8	$	37,016	$	6,908		8	$	37,016	$	6,908
Municipal securities		44		37,243		3,129		6		5,518		1,020		50		42,761		4,149
Corporate bonds		6		20,869		109		3		11,474		252		9		32,343		361
Mortgage-backed securities
U.S. sponsored entities		69		229,223		6,363		4		16,878		744		73		246,101		7,107
Private label		1		502		4		—		—		—		1		502		4
Subtotal mortgage-backed securities		70		229,725		6,367		4		16,878		744		74		246,603		7,111
Total		120	$	287,837	$	9,605		21	$	70,886	$	8,924		141	$	358,723	$	18,529

Scheduled Maturities of Securities

The following table summarizes scheduled maturities of the Company’s securities as of June 30, 2014 and December 31, 2013 excluding equity securities which have no maturity dates:

As of June 30, 2014
(Dollar amounts in thousands)	Available for sale
	Weighted Average Yield			Amortized cost		Fair value
Due in one year or less		3.74	%	$	39,789	$	40,436
Due from one year to five years		2.79	%		151,769		156,561
Due from five to ten years		3.42	%		95,929		99,642
Due after ten years		3.06	%		777,318		795,262
		3.08	%	$	1,064,805	$	1,091,901

As of December 31, 2013
(Dollar amounts in thousands)	Available for sale
	Weighted Average Yield			Amortized cost		Fair value
Due in one year or less		2.79	%	$	41,074	$	41,497
Due from one year to five years		2.97	%		163,785		169,767
Due from five to ten years		3.37	%		106,115		107,917
Due after ten years		3.14	%		739,384		741,914
		3.12	%	$	1,050,358	$	1,061,095