Note 11 - Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2013

Note 11 - Fair Value Measurements (Tables) [Line Items]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

September 30, 2013	Fair Value Measurements Using						Total at
	Level 1		Level 2		Level 3		Fair Value
	(In thousands)
Assets
Securities available-for-sale
U.S. Treasury securities	$	460,333	$	-	$	-	$	460,333
Mortgage-backed securities		-		1,095,019		-		1,095,019
Collateralized mortgage obligations		-		6,697		-		6,697
Asset-backed securities		-		128		-		128
Corporate debt securities		-		167,840		-		167,840
Mutual funds		5,812		-		-		5,812
Preferred stock of government sponsored entities		-		7,480		-		7,480
Total securities available-for-sale		466,145		1,277,164		-		1,743,309
Trading securities		-		4,855		-		4,855
Warrants		-		-		49		49
Foreign exchange contracts		-		5,816		-		5,816
Total assets	$	466,145	$	1,287,835	$	49	$	1,754,029
Liabilities
Option contracts	$	-	$	1	$	-	$	1
Foreign exchange contracts	$	-	$	4,725	$	-	$	4,725
Total liabilities	$	-	$	4,726	$	-	$	4,726

December 31, 2012	Fair Value Measurements Using						Total at
	Level 1		Level 2		Level 3		Fair Value
	(In thousands)
Assets
Securities available-for-sale
U.S. Treasury securities	$	509,971	$	-	$	-	$	509,971
Mortgage-backed securities		-		416,694		-		416,694
Collateralized mortgage obligations		-		10,168		-		10,168
Asset-backed securities		-		141		-		141
Corporate debt securities		-		335,977		-		335,977
Mutual funds		6,079		-		-		6,079
Preferred stock of government sponsored entities		-		2,335		-		2,335
Trust preferred securities		10,115		-		-		10,115
Total securities available-for-sale		526,165		765,315		-		1,291,480
Trading securities		-		4,703		-		4,703
Warrants		-		-		104		104
Foreign exchange contracts		-		2,924		-		2,924
Total assets	$	526,165	$	772,942	$	104	$	1,299,211
Liabilities
Option contracts	$	-	$	2	$	-	$	2
Foreign exchange contracts		-		1,586		-		1,586
Total liabilities	$	-	$	1,588	$	-	$	1,588

Fair Value Measurements, Nonrecurring [Table Text Block]

	September 30, 2013								Total Losses/(gains)
	Fair Value Measurements Using								Three Months ended				Nine Months ended
	Level 1		Level 2		Level 3		Total at Fair Value		September 30, 2013		September 30, 2012		September 30, 2013			September 30, 2012
	(In thousands)
Assets
Impaired loans by type:
Commercial loans	$	-	$	-	$	6,502	$	6,502	$	-	$	1,983	$	536		$	2,848
Commercial mortgage loans		-		-		28,533		28,533		394		-		459			-
Construction- residential		-		-		500		500		-		-		-			-
Construction- other		-		-		13,503		13,503		-		-		-			-
Real estate loans		-		-		-		-		-		-		-			301
Residential mortgage loans and equity lines		-		-		13,404		13,404		160		251		191			782
Land loans		-		-		27		27		-		-		-			-
Total impaired loans		-		-		62,469		62,469		554		2,234		1,186			3,931
Other real estate owned (1)		-		27,081		8,321		35,402		111		2,875		(1,267	)		10,602
Investments in venture capital		-		-		9,085		9,085		84		39		295			226
Equity investments		642		-		-		642		-		-		-			43
Total assets	$	642	$	27,081	$	79,875	$	107,598	$	749	$	5,148	$	214		$	14,802

12 Months Ended [Member]

Note 11 - Fair Value Measurements (Tables) [Line Items]

Fair Value Measurements, Nonrecurring [Table Text Block]

	December 31, 2012								Total Losses
	Fair Value Measurements Using								Twelve months ended
	Level 1		Level 2		Level 3		Total at Fair Value		December 31, 2012		December 31, 2011
	(In thousands)
Assets
Impaired loans by type:
Commercial loans	$	-	$	-	$	3,492	$	3,492	$	-	$	877
Commercial mortgage loans		-		-		11,295		11,295		440		-
Construction- residential		-		-		500		500		-		-
Construction- other		-		-		46,153		46,153		65		-
Residential mortgage loans and equity lines		-		-		11,206		11,206		605		820
Land loans		-		-		297		297		162		46
Total impaired loans		-		-		72,943		72,943		1,272		1,743
Other real estate owned (1)		-		27,149		4,841		31,990		10,904		7,003
Investments in venture capital		-		-		9,001		9,001		309		379
Equity investments		142		-		-		142		181		200
Total assets	$	142	$	27,149	$	86,785	$	114,076	$	12,666	$	9,325