INVESTMENT SECURITIES (Tables)

6 Months Ended

Jun. 30, 2013

INVESTMENT SECURITIES

Schedule of amortized cost, gross unrealized gains and losses, and carrying value of securities available-for-sale

	June 30, 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	$	726,501	$	17,608	$	(1,692	)	$	742,417
Government agency and government-sponsored enterprise collateralized mortgage obligations		147,580		722		(2,982	)		145,320
Covered private label collateralized mortgage obligations		32,959		8,094		(136	)		40,917
Municipal securities		442,733		2,394		(20,953	)		424,174
Corporate debt securities		83,938		187		(993	)		83,132
Other securities		38,151		1		(534	)		37,618
Total securities available-for-sale	$	1,471,862	$	29,006	$	(27,290	)	$	1,473,578

	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

	June 30, 2013
Maturity	Amortized Cost		Carrying Value
	(In thousands)
Due in one year or less	$	4,696	$	4,813
Due after one year through five years		24,214		24,219
Due after five years through ten years		107,766		106,582
Due after ten years		1,335,186		1,337,964
Total securities available-for-sale	$	1,471,862	$	1,473,578

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

	June 30, 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	$	128,542	$	(1,691	)	$	53	$	(1	)	$	128,595	$	(1,692	)
Government agency and government-sponsored enterprise collateralized mortgage obligations		100,267		(2,979	)		1,436		(3	)		101,703		(2,982	)
Covered private label collateralized mortgage obligations		602		(31	)		665		(105	)		1,267		(136	)
Municipal securities		302,174		(20,953	)		—		—			302,174		(20,953	)
Corporate debt securities		72,146		(993	)		—		—			72,146		(993	)
Other securities		23,984		(534	)		—		—			23,984		(534	)
Total	$	627,715	$	(27,181	)	$	2,154	$	(109	)	$	629,869	$	(27,290	)

	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						Six Months Ended June 30,
	June 30, 2013		March 31, 2013		June 30, 2012
Securities Interest by Type:							2013		2012
	(In thousands)
Taxable interest	$	5,388	$	5,563	$	8,365	$	10,951	$	16,904
Nontaxable interest		2,716		2,425		1,134		5,141		2,114
Dividend income		310		228		59		538		120
Total interest income on investment securities	$	8,414	$	8,216	$	9,558	$	16,630	$	19,138