Note 12 - Fair Value (Tables)

9 Months Ended

Sep. 30, 2012

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

	September 30, 2012						December 31, 2011
	Level 1		Level 2		Level 3		Level 1		Level 2		Level 3
Assets:
Trading securities:
Money market funds	$	1,445	$	-	$	-	$	1,565	$	-	$	-
Mutual funds		14,067		-		-		12,904		-		-
Total trading securities		15,512		-		-		14,469		-		-
Securities available-for-sale:
U.S. agency securities		-		2,002		-		-		5,035		-
CMOs		-		513,432		-		-		384,104		-
Other residential MBSs		-		135,135		-		-		87,691		-
Municipal securities		-		503,315		-		-		490,071		-
CDOs		-		-		11,546		-		-		13,394
Corporate debt securities		-		15,312		-		-		30,014		-
Hedge fund investment		-		2,214		-		-		1,616		-
Other equity securities		42		8,584		-		41		1,040		-
Total securities available-for-sale		42		1,179,994		11,546		41		999,571		13,394
Mortgage servicing rights (1)		-		-		818		-		-		929
Liabilities:
Derivative liabilities (2)	$	-	$	2,433	$	-	$	-	$	2,459	$	-

Rollforward Carrying Value of CDO's [Table Text Block]

	Quarters Ended September 30,					Nine Months Ended September 30,
	2012		2011			2012			2011
Balance at beginning of period	$	11,082	$	16,487		$	13,394		$	14,858
Total income (loss):
Included in earnings (1)		-		(177	)		(2,126	)		(177	)
Included in other comprehensive income (2)		464		(2,093	)		278			(464	)
Balance at end of period (3)	$	11,546	$	14,217		$	11,546		$	14,217
Change in unrealized losses recognized in earnings related to securities still held at end of period	$	-	$	(177	)	$	(2,126	)	$	(177	)

Characteristics of CDOs and Unobservable Inputs Significant to the Valuation of CDOs [Table Text Block]

	CDO Number (1)
		1			2			3			4			5			6
Characteristics:
Class (2)		C-1			C-1			C-1			B1			C			C
Original par	$	17,500		$	15,000		$	15,000		$	15,000		$	10,000		$	6,500
Amortized cost		7,140			5,597			12,478			13,922			1,317			6,179
Fair value		2,560			260			2,980			3,947			359			1,440
Lowest credit rating (Moody’s)	Ca			Ca			Ca			Ca				C		Ca
Number of underlying Issuers		46			56			62			63			56			78
Percent of Issuers currently performing		76.1	%		76.8	%		77.4	%		54.0	%		58.9	%		65.4	%
Current deferral and default percent (3)		17.6	%		17.6	%		11.8	%		38.0	%		45.1	%		29.4	%
Expected future deferral and default percent (4)		20.4	%		17.7	%		15.9	%		30.3	%		32.0	%		16.1	%
Excess subordination percent (5)		0.0	%		0.0	%		1.9	%		0.0	%		0.0	%		2.4	%
Discount rate risk adjustment (6)		14.5	%		15.5	%		14.5	%		13.5	%		14.5	%		13.0	%
Significant unobservable assumptions, weighted average of Issuers:
Probability of prepayment		8.9	%		4.9	%		3.9	%		7.1	%		7.3	%		2.6	%
Probability of default		23.3	%		28.2	%		22.4	%		28.8	%		40.7	%		31.0	%
Loss given default		88.1	%		88.6	%		89.7	%		92.6	%		92.6	%		94.7	%
Probability of deferral cure		43.1	%		25.3	%		23.3	%		52.4	%		38.9	%		39.8	%

Fair Value Measurements, Nonrecurring [Table Text Block]

	September 30, 2012						December 31, 2011
	Level 1		Level 2		Level 3		Level 1		Level 2		Level 3
Collateral-dependent impaired loans	$	-	$	-	$	74,300	$	-	$	-	$	96,220
OREO (1)		-		-		45,216		-		-		57,430
Loans held-for-sale		-		-		90,011		-		-		4,200
Assets held-for-sale (2)		-		-		7,318		-		-		7,933

Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Table Text Block]

	Quarters Ended September 30,				Nine Months Ended September 30,
	2012		2011		2012		2011
Charged to allowance for loan and covered loan losses:
Collateral-dependent impaired loans	$	43,414	$	26,137	$	79,828	$	62,406
Loans held-for-sale		80,260		1,596		82,647		1,796
Charged to earnings:
OREO		1,410		674		3,924		3,309
Assets held-for-sale		1,255		75		1,255		1,111

Fair Value, by Balance Sheet Grouping [Table Text Block]

	September 30, 2012										December 31, 2011
	Carrying Amount			Fair Value							Carrying Amount			Fair Value
				Level 1		Level 2		Level 3						Level 1		Level 2		Level 3
Assets:
Cash and due from banks	$	124,447		$	124,447	$	-	$	-		$	123,354		$	123,354	$	-	$	-
Interest-bearing deposits in other banks		393,927			-		393,927		-			518,176			-		518,176		-
Securities held-to-maturity:
Municipal securities		41,944			-		45,633		-			60,458			-		61,477		-
Loans, net of allowance for loan losses:
Commercial and industrial		1,610,169			-		-		1,614,183			1,458,446			-		-		1,460,972
Agricultural		259,787			-		-		258,274			243,776			-		-		243,035
Office, retail, and industrial		1,330,331			-		-		1,338,700			1,299,082			-		-		1,303,288
Multi-family		309,509			-		-		310,937			288,336			-		-		290,645
Residential construction		61,920			-		-		62,085			105,836			-		-		106,145
Commercial construction		136,509			-		-		136,791			144,909			-		-		145,305
Other commercial real estate		780,712			-		-		784,255			888,146			-		-		890,275
Home equity		397,506			-		-		385,692			416,194			-		-		394,404
1-4 family mortgages		292,908			-		-		305,045			201,099			-		-		206,115
Installment loans		38,994			-		-		39,423			42,289			-		-		43,030
Covered loans		216,610			-		-		247,593			260,502			-		-		288,021
Allowance for loan and covered loan losses		(102,445	)		-		-		(102,445	)		(119,462	)		-		-		(119,462	)
Loans, net of allowance for loan and covered loan losses		5,332,510			-		-		5,380,533			5,229,153			-		-		5,251,773
FDIC indemnification asset		47,191			-		-		28,113			65,609			-		-		37,173
Accrued interest receivable		30,688			-		-		30,688			29,826			-		-		29,826
Investment in BOLI		206,043			-		-		206,043			206,235			-		-		206,235
Liabilities:
Deposits
Demand deposits	$	1,773,928		$	-	$	1,773,928	$	-		$	1,593,773		$	-	$	1,593,773	$	-
Savings deposits		1,052,426			-		1,052,426		-			970,016			-		970,016		-
NOW accounts		1,148,612			-		1,148,612		-			1,057,887			-		1,057,887		-
Money market deposits		1,278,692			-		1,278,692		-			1,198,382			-		1,198,382		-
Time deposits		1,495,397			-		1,496,432		-			1,659,117			-		1,659,251		-
Total deposits		6,749,055			-		6,750,090		-			6,479,175			-		6,479,309		-
Borrowed funds		183,691			-		187,191		-			205,371			-		208,728		-
Senior and subordinated debt		231,171			235,738		-		-			252,153			237,393		-		-
Accrued interest payable		6,740			-		6,740		-			4,019			-		4,019		-
Standby letters of credit		697			-		697		-			668			-		668		-