Securities (Tables)

9 Months Ended

Sep. 30, 2013

Amortized Cost and Fair Value of Available for Sale Securities

The amortized cost and fair value of securities classified as available for sale and held to maturity follow (in thousands):

Securitites Available for Sale

	September 30, 2013								December 31, 2012
			Gross		Gross						Gross		Gross
	Amortized		Unrealized		Unrealized		Fair		Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value		Cost		Gains		Losses		Value
US Treasury and government agency securities	$	615	$	6	$	1	$	620	$	18,246	$	19	$	—	$	18,265
Municipal obligations		43,573		197		122		43,648		49,608		571		14		50,165
Mortgage-backed securities		1,337,251		29,214		6,495		1,359,970		1,715,524		58,903		21		1,774,406
CMOs		46,288		—		1,256		45,032		196,723		1,354		—		198,077
Corporate debt securities		3,500		—		—		3,500		2,250		—		—		2,250
Other equity securities		4,596		774		20		5,350		4,531		752		4		5,279
	$	1,435,823	$	30,191	$	7,894	$	1,458,120	$	1,986,882	$	61,599	$	39	$	2,048,442

Amortized Cost and Fair Value of Held to Maturity Securities

Securitites Held to Maturity

	September 30, 2013								December 31, 2012
			Gross		Gross						Gross		Gross
	Amortized		Unrealized		Unrealized		Fair		Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value		Cost		Gains		Losses		Value
US Treasury and government agency securities	$	100,000	$	688	$	—	$	100,688	$	—	$	—	$	—	$	—
Municipal obligations		195,662		1,137		5,291		191,508		164,493		16,017		—		180,510
Mortgage-backed securities		995,686		9,273		2,118		1,002,841		180,397		3,429		—		183,826
CMOs		1,374,734		2,615		18,519		1,358,830		1,323,128		23,942		941		1,346,129
	$	2,666,082	$	13,713	$	25,928	$	2,653,867	$	1,668,018	$	43,388	$	941	$	1,710,465

Available for Sale Securities Unrealized Losses

The details for securities classified as available for sale with unrealized losses as of September 30, 2013 follow (in thousands):

	Losses < 12 months				Losses 12 months or >				Total
			Gross				Gross				Gross
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses		Value		Losses
US Treasury and government agency securities	$	—	$	—	$	104	$	1	$	104	$	1
Municipal obligations		13,647		122		—		—		13,647		122
Mortgage-backed securities		144,859		6,488		379		7		145,238		6,495
CMOs		45,032		1,256		—		—		45,032		1,256
Equity securities		3,290		19		2		1		3,292		20
	$	206,828	$	7,885	$	485	$	9	$	207,313	$	7,894

The details for securities classified as available for sale with unrealized losses as of December 31, 2012 follows (in thousands):

	Losses < 12 months				Losses 12 months or >				Total
			Gross				Gross				Gross
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses		Value		Losses
Municipal obligations	$	5,278	$	14	$	—	$	—	$	5,278	$	14
Mortgage-backed securities		57,752		14		1,097		7		58,849		21
Equity securities		268		2		2		2		270		4
	$	63,298	$	30	$	1,099	$	9	$	64,397	$	39

Held to Maturity with Unrealized Losses

The details for securities classified as held to maturity with unrealized losses as of September 30, 2013 follows (in thousands):

	Losses < 12 months				Losses 12 months or >				Total
			Gross				Gross				Gross
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses		Value		Losses
Municpal obligations	$	115,901	$	5,252	$	1,253	$	39	$	117,154	$	5,291
Mortgage-backed securities		147,019		2,118		—		—		147,019		2,118
CMOs		720,157		17,377		280,855		1,142		1,001,012		18,519
	$	983,077	$	24,747	$	282,108	$	1,181	$	1,265,185	$	25,928

The details for securities classified as held to maturity with unrealized losses as of December 31, 2012 follows (in thousands):

	Losses < 12 months				Losses 12 months or >				Total
			Gross				Gross				Gross
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses		Value		Losses
CMOs	$	87,852	$	259	$	54,445	$	682	$	142,297	$	941
	$	87,852	$	259	$	54,445	$	682	$	142,297	$	941

Available for Sale Securities [Member]

Amortized Cost and Fair Value of Available for Sale Securities by Contractual Maturity

The following table presents the amortized cost and fair value of debt securities at September 30, 2013 by final contractual maturity (in thousands). Actual maturities will differ from final contractual maturities because of scheduled and early principal payments on mortgage-backed securities and CMOs and rights to call or repay other obligations with or without penalties.

	Amortized		Fair
	Cost		Value
Debt Securities Available for Sale
Due in one year or less	$	23,895	$	24,010
Due after one year through five years		130,419		130,124
Due after five years through ten years		154,962		161,485
Due after ten years		1,121,951		1,137,151
Total available for sale debt securities	$	1,431,227	$	1,452,770

HTM Securities Transferred from AFS [Member]

Amortized Cost and Fair Value of Available for Sale Securities by Contractual Maturity

Amortized			Fair
	Cost			Value
Debt Securities Held to Maturity
Due in one year or less	$	107,697		$	108,407
Due after one year through five years		669,896			655,554
Due after five years through ten years		121,588			117,864
Due after ten years		1,766,901			1,772,042
Total held to maturity securities	$	2,666,082		$	2,653,867