Investment Securities (Tables)

6 Months Ended

Jun. 30, 2014

Amortized cost and fair value of the securities available for sale

The amortized cost and fair value of the securities available for sale are as follows:

	June 30, 2014
(dollars in thousands)			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value

U.S. government sponsored enterprises	$	103,805		56		521		103,340
State and political subdivisions		3,823		98		-		3,921
Mortgage backed securities and collateralized mortgage obligations - residential		594,869		1,885		7,237		589,517
Corporate bonds		1,403		-		1		1,402
Small Business Administration-guaranteed participation securities		107,542		-		5,175		102,367
Mortgage backed securities and collateralized mortgage obligations - commercial		10,832		-		288		10,544
Other		650		-		6		644
Total debt securities		822,924		2,039		13,228		811,735
Equity securities		35		-		-		35
Total securities available for sale	$	822,959		2,039		13,228		811,770

	December 31, 2013
(dollars in thousands)			Gross		Gross
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value

U.S. government sponsored enterprises	$	200,531		22		1,724		198,829
State and political subdivisions		7,623		135		-		7,758
Mortgage backed securities and collateralized mortgage obligations - residential		552,230		267		20,048		532,449
Corporate bonds		10,429		43		1		10,471
Small Business Administration-guaranteed participation securities		111,383		-		8,354		103,029
Mortgage backed securities and collateralized mortgage obligations - commercial		10,965		-		407		10,558
Other		650		-		-		650
Total debt securities		893,811		467		30,534		863,744
Equity securities		10		-		-		10
Total securities available for sale	$	893,821		467		30,534		863,754

Investment [Line Items]

Proceeds from sales and calls of securities available for sale, gross realized gains and gross realized losses

The proceeds from sales and calls of securities available for sale, gross realized gains and gross realized losses from sales and calls during the three months and six months ended June 30, 2014 and 2013 are as follows:

(dollars in thousands)	Three months ended June 30,				Six months ended June 30,
	2014		2013		2014		2013

Proceeds from sales	$	-		118,560	$	-		118,560
Proceeds from calls		39,301		96,417		180,623		205,414
Gross realized gains		-		1,512		6		1,514
Gross realized losses		-		80		-		80

Amortized cost and fair value of the held to maturity securities

The amortized cost and fair value of the held to maturity securities are as follows:

	June 30, 2014
(dollars in thousands)			Gross		Gross
	Amortized		Unrecognized		Unrecognized		Fair
	Cost		Gains		Losses		Value

Mortgage backed securities and collateralized mortgage obligations - residential	$	67,974		3,614		-		71,588
Corporate bonds		9,952		1,355		-		11,307
Total held to maturity	$	77,926		4,969		-		82,895

	December 31, 2013
(dollars in thousands)			Gross		Gross
	Amortized		Unrecognized		Unrecognized		Fair
	Cost		Gains		Losses		Value

Mortgage backed securities and collateralized mortgage obligations - residential	$	76,270		2,744		138		78,876
Corporate bonds		9,945		1,484		-		11,429
Total held to maturity	$	86,215		4,228		138		90,305

Securities available for sale [Member]

Investment [Line Items]

Debt securities based on the securities final maturity

The following table distributes the debt securities included in the available for sale portfolio as of June 30, 2014, based on the securities’ final maturity (mortgage-backed securities and collateralized mortgage obligations are stated using an estimated average life):

(dollars in thousands)	Amortized		Fair
	Cost		Value
Due in one year or less	$	2,195		2,213
Due in one year through five years		360,427		360,596
Due after five years through ten years		458,992		447,603
Due after ten years		1,310		1,323
	$	822,924		811,735

Gross unrealized losses on investment securities and the related fair values aggregated by the length of time that individual securities have been in an unrealized loss position

Gross unrealized losses on securities available for sale and the related fair values aggregated by the length of time that individual securities have been in an unrealized loss position, were as follows:

	June 30, 2014
(dollars in thousands)	Less than				12 months
	12 months				or more				Total
			Gross				Gross				Gross
	Fair		Unreal.		Fair		Unreal.		Fair		Unreal.
	Value		Loss		Value		Loss		Value		Loss
U.S. government sponsored enterprises	$	22,503		17		54,995		504		77,498		521
Mortgage backed securities and collateralized mortgage obligations - residential		49,195		242		353,561		6,995		402,756		7,237
Corporate bonds		501		1		-		-		501		1
Small Business Administration-guaranteed participation securities		-		-		102,367		5,175		102,367		5,175
Mortgage backed securities and collateralized mortgage obligations - commercial		-		-		10,543		288		10,543		288
Other		594		6		-		-		594		6

Total	$	72,793		266		521,466		12,962		594,259		13,228

	December 31, 2013
(dollars in thousands)	Less than				12 months
	12 months				or more				Total
			Gross				Gross				Gross
	Fair		Unreal.		Fair		Unreal.		Fair		Unreal.
	Value		Loss		Value		Loss		Value		Loss
U.S. government sponsored enterprises	$	198,023		1,724		-		-		198,023		1,724
Mortgage backed securities and collateralized mortgage obligations - residential		466,056		17,698		54,835		2,350		520,891		20,048
Corporate bonds		902		1		-		-		902		1
Small Business Administration-guaranteed participation securities		103,029		8,354		-		-		103,029		8,354
Mortgage backed securities and collateralized mortgage obligations - commercial		10,558		407		-		-		10,558		407

Total	$	778,568		28,184		54,835		2,350		833,403		30,534

Held to maturity securities [Member]

Investment [Line Items]

Debt securities based on the securities final maturity

The following table distributes the debt securities included in the held to maturity portfolio as of June 30, 2014, based on the securities’ final maturity (mortgage-backed securities and collateralized mortgage obligations are stated using an estimated average life):

(dollars in thousands)	Amortized		Fair
	Cost		Value
Due in one year through five years		76,333		81,192
Due in five years through ten years		1,593		1,703
	$	77,926		82,895

Gross unrealized losses on investment securities and the related fair values aggregated by the length of time that individual securities have been in an unrealized loss position

Actual maturities may differ from the above because of securities prepayments and the right of certain issuers to call or prepay their obligations without penalty.

Gross unrecognized losses on held to maturity securities and the related fair values aggregated by the length of time that individual securities have been in an unrecognized loss position as of December 31, 2013 were as follows:

June 30, 2014

(dollars in thousands)

Less than

12 months

or more

Total

Gross

Fair

Unrec.

Fair

Unrec.

Fair

Unrec.

Value

Loss

Value

Loss

Value

Loss

Mortgage backed securities and collateralized mortgage obligations - residential

Total

December 31, 2013

(dollars in thousands)

Less than

12 months

or more

Total

Gross

Fair

Unrec.

Fair

Unrec.

Fair

Unrec.

Value

Loss

Value

Loss

Value

Loss

Mortgage backed securities and collateralized mortgage obligations - residential

27,091

138

27,091

138

Total

27,091

138

27,091

138

- Definition

Tabular disclosure of all investments in certain debt and equity securities for which the entity has the positive intent and ability to hold until maturity.

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