Note 3 - Securities (Tables)

6 Months Ended

Jun. 30, 2011

Marketable Securities [Text Block]

	June 30, 2011												December 31, 2010
	Amortized		Gross Unrealized							Fair			Amortized			Gross Unrealized							Fair
	Cost		Gains			Losses				Value			Cost			Gains			Losses				Value
Securities Available-for-Sale
U.S. agency securities	$	8,122		$	23		$	(32	)		$	8,113		$	18,000		$	7		$	(121	)		$	17,886
Collateralized residential mortgage obligations (“CMOs”)		373,600			3,824			(722	)			376,702			377,692			4,261			(2,364	)			379,589
Other residential mortgage-backed securities		91,539			6,290			(24	)			97,805			100,780			5,732			(61	)			106,451
Municipal securities		471,617			10,487			(2,185	)			479,919			512,063			4,728			(12,800	)			503,991
Collateralized debt obligations (“CDOs”)		49,695			-			(33,208	)			16,487			49,695			-			(34,837	)			14,858
Corporate debt securities		25,325			2,597			-				27,922			29,936			2,409			-				32,345
Equity securities:
Hedge fund investment		1,231			651			-				1,882			1,245			438			-				1,683
Other equity securities		927			117			(1	)			1,043			889			110			-				999
Total equity securities		2,158			768			( 1	)			2,925			2,134			548			-				2,682
Total	$	1,022,056		$	23,989		$	(36,172	)		$	1,009,873		$	1,090,300		$	17,685		$	(50,183	)		$	1,057,802
Securities Held-to-Maturity
Municipal securities	$	76,142		$	2,343		$	-			$	78,485		$	81,320		$	1,205		$	-			$	82,525
Trading Securities (1)											$	16,230												$	15,282

Investments Classified by Contractual Maturity Date [Table Text Block]

	June 30, 2011
	Available-for-Sale				Held-to-Maturity
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
One year or less	$	8,301	$	7,967	$	7,010	$	7,226
One year to five years		201,321		193,222		15,137		15,603
Five years to ten years		115,597		110,947		21,468		22,129
After ten years		229,540		220,305		32,527		33,527
CMOs		373,600		376,702		-		-
Other residential mortgage-backed securities		91,539		97,805		-		-
Equity securities		2,158		2,925		-		-
Total	$	1,022,056	$	1,009,873	$	76,142	$	78,485

Realized Gain (Loss) on Investments [Table Text Block]

	Quarters Ended June 30,						Six Months Ended June 30,
	2011			2010			2011			2010
Proceeds from sales	$	53,118		$	66,618		$	97,330		$	147,601
Gains (losses) on sales of securities:
Gross realized gains	$	1,974		$	2,367		$	2,782		$	8,187
Gross realized losses		(443	)		(112	)		(711	)		(112	)
Net realized gains on securities sales		1,531			2,255			2,071			8,075
Non-cash impairment charges
Other-than-temporary securities impairment		-			(1,581	)		-			(4,344	)
Portion of other-than-temporary impairment recognized in other comprehensive income		-			447			-			447
Net non-cash impairment charges		-			(1,134	)		-			(3,897	)
Net realized gains	$	1,531		$	1,121		$	2,071		$	4,178
Income tax expense on net realized gains	$	636		$	437		$	847		$	1,629
Trading gains (losses), net (1)	$	(2	)	$	(1,022	)	$	742		$	(561	)

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

	Quarter Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
Cumulative amount recognized at beginning of period	$	35,589	$	33,709	$	35,589	$	30,946
Credit losses included in earnings (1)
Losses recognized on securities that previously had credit losses		-		1,048		-		3,568
Losses recognized on securities that did not previously have credit losses		-		86		-		329
Cumulative amount recognized at end of period	$	35,589	$	34,843	$	35,589	$	34,843

Unrealized Gain (Loss) on Investments [Table Text Block]

			Less Than 12 Months				12 Months or Longer				Total
	Number of Securities		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
As of June 30, 2011
U.S. agency security		1	$	3,045	$	32	$	-	$	-	$	3,045	$	32
CMOs		10		50,412		323		9,698		399		60,110		722
Other residential mortgage-backed securities		2		317		18		159		6		476		24
Municipal securities		134		17,005		582		53,943		1,603		70,948		2,185
CDOs		6		-		-		16,487		33,208		16,487		33,208
Equity security		1		-		-		30		1		30		1
Total		154	$	70,779	$	955	$	80,317	$	35,217	$	151,096	$	36,172
As of December 31, 2010
U.S. agency securities		4	$	9,096	$	120	$	-	$	1	$	9,096	$	121
CMOs		19		131,056		1,727		7,843		637		138,899		2,364
Other residential mortgage-backed securities		5		6,084		51		159		10		6,243		61
Municipal securities		479		99,537		3,142		166,403		9,658		265,940		12,800
CDOs		6		-		-		14,858		34,837		14,858		34,837
Total		513	$	245,773	$	5,040	$	189,263	$	45,143	$	435,036	$	50,183

Certain Characteristics And Metrics Of The CDOs [Text Block]

			Original		Amortized		Fair		Lowest Credit Rating Assigned to the Security				Number of Banks/		% of Banks/ Insurers Currently			Actual Deferrals and Defaults as a % of the Original			Expected Deferrals and Defaults as a % of the Remaining Performing			Excess Subordination as a % of the Remaining Performing
Number	Class		Par		Cost		Value		Moody’s		Fitch		Insurers		Performing			Collateral (1)			Collateral (1)			Collateral (2)
1		C-1	$	17,500	$	7,140	$	3,353	Ca			C		46		73.9	%		15.8	%		20.7	%		0.0	%
2		C-1		15,000		7,657		2,477	Ca			C		57		84.2	%		12.1	%		18.8	%		0.0	%
3		C-1		15,000		13,480		4,016	Ca			C		63		81.0	%		7.8	%		15.5	%		6.0	%
4		B1		15,000		13,922		4,344	Ca			C		64		59.4	%		35.0	%		23.5	%		0.0	%
5		C		10,000		1,317		212	C			C		56		60.7	%		44.6	%		28.1	%		0.0	%
6		C		6,500		6,179		2,085	Ca			C		77		68.8	%		23.1	%		12.8	%		10.5	%
7(3)		A-3L		6,750		-		-		N/A		N/A		N/A		N/A			N/A			N/A			N/A
			$	85,750	$	49,695	$	16,487

Credit Related Collateralized Debt Obligation Impairment Losses

	Quarters Ended June 30,				Six Months Ended June 30,
Number	2011		2010		2011		2010		Life-to-Date
1	$	-	$	-	$	-	$	-	$	10,360
2		-		794		-		794		7,343
3		-		-		-		-		1,159
4		-		-		-		684		1,078
5		-		254		-		2,091		8,570
6		-		-		-		242		243
7		-		-		-		-		6,750
	$	-	$	1,048	$	-	$	3,811	$	35,503