INVESTMENT SECURITIES (Tables)

3 Months Ended

Mar. 31, 2013

INVESTMENT SECURITIES

Schedule of amortized cost, gross unrealized gains and losses and carrying value, which is the estimated fair value of securities available-for-sale

	March 31, 2013
Security Type	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Carrying Value
	(In thousands)
Residential mortgage-backed securities:
Government agency and government-sponsored enterprise pass through securities	$	751,011	$	30,808	$	(191	)	$	781,628
Government agency and government-sponsored enterprise collateralized mortgage obligations		97,524		1,742		(161	)		99,105
Covered private label collateralized mortgage obligations		34,933		8,974		(122	)		43,785
Municipal securities		362,212		7,926		(4,713	)		365,425
Corporate debt securities		60,807		416		(19	)		61,204
Other securities		6,385		5,245		—			11,630
Total securities available-for-sale	$	1,312,872	$	55,111	$	(5,206	)	$	1,362,777

	December 31, 2012
Security Type	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Carrying Value
	(In thousands)
Residential mortgage-backed securities:
Government agency and government-sponsored enterprise pass through securities	$	774,677	$	33,618	$	(453	)	$	807,842
Government agency and government-sponsored enterprise collateralized mortgage obligations		99,956		1,870		(132	)		101,694
Covered private label collateralized mortgage obligations		36,078		8,729		(123	)		44,684
Municipal securities		339,547		10,445		(1,951	)		348,041
Corporate debt securities		42,014		432		(81	)		42,365
Other securities		6,389		4,370		—			10,759
Total securities available-for-sale	$	1,298,661	$	59,464	$	(2,740	)	$	1,355,385

Schedule of contractual maturity distribution of the entity's available-for-sale securities portfolio based on amortized cost and carrying value

	March 31, 2013
Maturity	Amortized Cost		Carrying Value
	(In thousands)
Due in one year or less	$	7,375	$	12,758
Due after one year through five years		3,940		4,117
Due after five years through ten years		51,365		53,467
Due after ten years		1,250,192		1,292,435
Total securities available-for-sale	$	1,312,872	$	1,362,777

Schedule of carrying values and the gross unrealized losses on securities by length of time the securities were in an unrealized loss position

	March 31, 2013
	Less Than 12 Months					12 months or Longer					Total
Security Type	Carrying Value		Gross Unrealized Losses			Carrying Value		Gross Unrealized Losses			Carrying Value		Gross Unrealized Losses
	(In thousands)
Residential mortgage-backed securities:
Government agency and government-sponsored enterprise pass through securities	$	47,483	$	(190	)	$	57	$	(1	)	$	47,540	$	(191	)
Government agency and government-sponsored enterprise collateralized mortgage obligations		16,967		(128	)		1,994		(33	)		18,961		(161	)
Covered private label collateralized mortgage obligations		465		(16	)		1,533		(106	)		1,998		(122	)
Municipal securities		184,175		(4,713	)		—		—			184,175		(4,713	)
Corporate debt securities		5,040		(19	)							5,040		(19	)
Total	$	254,130	$	(5,066	)	$	3,584	$	(140	)	$	257,714	$	(5,206	)

	December 31, 2012
	Less Than 12 Months					12 months or Longer					Total
Security Type	Carrying Value		Gross Unrealized Losses			Carrying Value		Gross Unrealized Losses			Carrying Value		Gross Unrealized Losses
	(In thousands)
Residential mortgage-backed securities:
Government agency and government-sponsored enterprise pass through securities	$	67,299	$	(452	)	$	60	$	(1	)	$	67,359	$	(453	)
Government agency and government-sponsored enterprise collateralized mortgage obligations		18,317		(132	)		—		—			18,317		(132	)
Covered private label collateralized mortgage obligations		—		—			1,692		(123	)		1,692		(123	)
Municipal securities		90,303		(1,951	)		—		—			90,303		(1,951	)
Corporate debt securities		16,819		(81	)		—		—			16,819		(81	)
Total	$	192,738	$	(2,616	)	$	1,752	$	(124	)	$	194,490	$	(2,740	)

Schedule of composition of our interest income on investment securities

	Three Months Ended
Securities Interest by Type:	March 31, 2013		December 31, 2012		March 31, 2012
	(In thousands)
Taxable interest	$	5,563	$	5,915	$	8,539
Nontaxable interest		2,425		1,987		980
Dividend income		228		271		61
Total interest income on investment securities	$	8,216	$	8,173	$	9,580