INVESTMENT SECURITIES (Tables)

9 Months Ended

Sep. 30, 2013

INVESTMENT SECURITIES

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

	September 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	$	695,768	$	19,853	$	(1,659	)	$	713,962
Government agency and government-sponsored enterprise collateralized mortgage obligations		201,531		730		(2,901	)		199,360
Covered private label collateralized mortgage obligations		31,503		7,983		(108	)		39,378
Municipal securities		460,754		2,150		(23,269	)		439,635
Corporate debt securities		84,028		61		(1,983	)		82,106
Other securities		37,999		1		(294	)		37,706
Total securities available-for-sale	$	1,511,583	$	30,778	$	(30,214	)	$	1,512,147

	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

	September 30, 2013
Maturity	Amortized Cost		Carrying Value
	(In thousands)
Due in one year or less	$	3,774	$	3,775
Due after one year through five years		24,449		24,707
Due after five years through ten years		124,905		124,317
Due after ten years		1,358,455		1,359,348
Total securities available-for-sale	$	1,511,583	$	1,512,147

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

	September 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	$	124,088	$	(1,658	)	$	43	$	(1	)	$	124,131	$	(1,659	)
Government agency and government-sponsored enterprise collateralized mortgage obligations		139,846		(2,856	)		4,610		(45	)		144,456		(2,901	)
Covered private label collateralized mortgage obligations		543		(19	)		636		(89	)		1,179		(108	)
Municipal securities		323,419		(23,269	)		—		—			323,419		(23,269	)
Corporate debt securities		61,831		(1,983	)		—		—			61,831		(1,983	)
Other securities		33,942		(294	)		—		—			33,942		(294	)
Total	$	683,669	$	(30,079	)	$	5,289	$	(135	)	$	688,958	$	(30,214	)

	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						Nine Months Ended September 30,
	September 30, 2013		June 30, 2013		September 30, 2012
Securities Interest by Type:							2013		2012
	(In thousands)
Taxable interest	$	6,028	$	5,388	$	6,832	$	16,979	$	23,716
Nontaxable interest		3,302		2,716		1,458		8,443		3,572
Dividend income		541		310		56		1,079		196
Total interest income on investment securities	$	9,871	$	8,414	$	8,346	$	26,501	$	27,484