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Note 4 - Debt and Equity Securities (Tables)

9 Months Ended

Sep. 30, 2015

Investments, Debt and Equity Securities [Abstract]

Trading Securities [Table Text Block]

		Amortized Cost				Fair Value				Gross Unrealized Gains				Gross Unrealized Losses
		(In thousands)
Securites held-to-maturity:
Municipals		$	6,220			$	6,220			$	-			$	-
Total		$	6,220			$	6,220			$	-			$	-

		Amortized Cost				Fair Value				Gross Unrealized Gains				Gross Unrealized Losses
		(In thousands)
Securites available for sale:
Corporate		$	115,959			$	114,063			$	424			$	2,320
Municipals			128,363				132,486				4,163				40
Mutual funds			21,358				21,358				-				-
Other			50,683				50,594				-				89
Total other securities			316,363				318,501				4,587				2,449
REMIC and CMO			487,677				493,688				6,880				869
GNMA			12,179				12,446				355				88
FNMA			168,966				171,191				2,744				519
FHLMC			12,518				12,719				201				-
Total mortgage-backed securities			681,340				690,044				10,180				1,476
Total securities available for sale		$	997,703			$	1,008,545			$	14,767			$	3,925

		Amortized Cost				Fair Value				Gross Unrealized Gains				Gross Unrealized Losses
		(In thousands)
Securites available for sale:
Corporate		$	90,719			$	91,273			$	1,268			$	714
Municipals			145,864				148,896				3,093				61
Mutual funds			21,118				21,118				-				-
Other			7,098				7,090				-				8
Total other securities			264,799				268,377				4,361				783
REMIC and CMO			504,207				505,768				6,188				4,627
GNMA			13,862				14,159				421				124
FNMA			169,956				170,367				2,128				1,717
FHLMC			14,505				14,639				142				8
Total mortgage-backed securities			702,530				704,933				8,879				6,476
Total securities available for sale		$	967,329			$	973,310			$	13,240			$	7,259

Other than Temporary Impairment, Credit Losses Recognized in Earnings [Table Text Block]

		For the three months ended September 30,								For the nine months ended September 30,
		2015				2014				2015				2014
		(In thousands)
Beginning balance		$	-			$	3,738			$	-			$	3,738
Recognition of actual losses			-				-				-				-
OTTI charges due to credit loss recorded in earnings			-				-				-				-
Securities sold during the period			-				-				-				-
Securities where there is an intent to sell or requirement to sell			-				-				-				-
Ending balance		$	-			$	3,738			$	-			$	3,738

Schedule of Realized Gain (Loss) [Table Text Block]

		For the three months ended September 30,								For the nine months ended September 30,
		2015				2014				2015				2014
		(In thousands)
Gross gains from the sale of securities		$	2,666			$	5,247			$	2,899			$	5,247
Gross losses from the sale of securities			(2,563	)			(31	)			(2,732	)			(31	)
Net gains from the sale of securities		$	103			$	5,216			$	167			$	5,216

Investments Classified by Contractual Maturity Date [Table Text Block]

		Amortized Cost				Fair Value
		(In thousands)
Securities held-to-maturity:(1)
Due in one year or less		$	6,140			$	6,140
Due after one year through five years			80				80
Total securities held-to-maturity		$	6,220			$	6,220

		Amortized Cost				Fair Value
		(In thousands)
Securities available for sale:(1)
Due in one year or less		$	27,317			$	27,371
Due after one year through five years			-				-
Due after five years through ten years			76,934				76,186
Due after ten years			212,112				214,944
Total other securities			316,363				318,501
Mortgage-backed securities			681,340				690,044
Total securities available for sale		$	997,703			$	1,008,545

Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Table Text Block]

		Total								Less than 12 months								12 months or more
		Fair Value				Unrealized Losses				Fair Value				Unrealized Losses				Fair Value				Unrealized Losses
		(In thousands)
Corporate		$	77,680			$	2,320			$	77,680			$	2,320			$	-			$	-
Municipals			5,233				40				5,233				40				-				-
Other			43,710				89				43,413				86				297				3
Total other securities			126,623				2,449				126,326				2,446				297				3
REMIC and CMO			93,464				869				44,618				266				48,846				603
GNMA			7,364				88				7,364				88				-				-
FNMA			53,570				519				26,367				158				27,203				361
Total mortgage-backed securities			154,398				1,476				78,349				512				76,049				964
Total securities available for sale		$	281,021			$	3,925			$	204,675			$	2,958			$	76,346			$	967

		Total								Less than 12 months								12 months or more
		Fair Value				Unrealized Losses				Fair Value				Unrealized Losses				Fair Value				Unrealized Losses
		(In thousands)
Corporate		$	39,287			$	714			$	9,573			$	428			$	29,714			$	286
Municipals			8,810				61				3,546				11				5,264				50
Other			292				8				-				-				292				8
Total other securities			48,389				783				13,119				439				35,270				344
REMIC and CMO			216,190				4,627				77,382				399				138,808				4,228
GNMA			8,358				124				-				-				8,358				124
FNMA			95,148				1,717				-				-				95,148				1,717
FHLMC			6,773				8				6,773				8				-				-
Total mortgage-backed  securities			326,469				6,476				84,155				407				242,314				6,069
Total securities available for sale		$	374,858			$	7,259			$	97,274			$	846			$	277,584			$	6,413

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