Note 22 - Fair Value (Tables)

12 Months Ended

Dec. 31, 2011

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

	December 31, 2011
	Level 1			Level 2			Level 3		Total
Assets and liabilities measured at fair value on a recurring basis
Assets:
Trading securities:
Money market funds		$	1,565		$	-	$	-	$	1,565
Mutual funds			12,904			-		-		12,904
Total trading securities			14,469			-		-		14,469
Securities available-for-sale:
U.S. agency securities			-			5,035		-		5,035
CMOs			-			384,104		-		384,104
Other residential mortgage-backed securities			-			87,691		-		87,691
Municipal securities			-			490,071		-		490,071
CDOs			-			-		13,394		13,394
Corporate debt securities			-			30,014		-		30,014
Hedge fund investment			-			1,616		-		1,616
Other equity securities			41			1,040		-		1,081
Total securities available-for-sale			41			999,571		13,394		1,013,006
Mortgage servicing rights (1)			-			-		929		929
Total assets		$	14,510		$	999,571	$	14,323	$	1,028,404
Liabilities:
Derivative liabilities (1)		$	-		$	2,459	$	-	$	2,459
Assets measured at fair value on an annual basis
Pension plan assets:
Mutual funds (2)		$	17,970		$	-	$	-	$	17,970
U.S. government and government agency securities			5,954			7,029		-		12,983
Corporate bonds			-			5,954		-		5,954
Common stocks			16,537			-		-		16,537
Common trust funds			-			9,546		-		9,546
Total pension plan assets		$	40,461		$	22,529	$	-	$	62,990
Assets measured at fair value on a non-recurring basis
Collateral-dependent impaired loans (3)		$	-		$	-	$	96,220	$	96,220
OREO (4)			-			-		57,430		57,430
Loans held-for-sale (5)			-			-		4,200		4,200
Assets held-for-sale (6)			-			-		7,933		7,933
Total assets		$	-		$	-	$	165,783	$	165,783

	December 31, 2010
	Level 1			Level 2			Level 3		Total
Assets and liabilities measured at fair value on a recurring basis
Assets:
Trading securities:
Money market funds		$	1,196		$	-	$	-	$	1,196
Mutual funds			14,086			-		-		14,086
Total trading securities			15,282			-		-		15,282
Securities available-for-sale:
U.S. agency securities			-			17,886		-		17,886
CMOs			-			379,589		-		379,589
Other residential mortgage-backed securities			-			106,451		-		106,451
Municipal securities			-			503,991		-		503,991
CDOs			-			-		14,858		14,858
Corporate debt securities			-			32,345		-		32,345
Hedge fund investment			-			1,683		-		1,683
Other equity securities			38			961		-		999
Total securities available-for-sale			38			1,042,906		14,858		1,057,802
Mortgage servicing rights (1)			-			-		942		942
Total assets		$	15,320		$	1,042,906	$	15,800	$	1,074,026
Liabilities:
Derivative liabilities (1)		$	-		$	1,833	$	-	$	1,833
Assets measured at fair value on an annual basis
Pension plan assets:
Mutual funds (2)		$	8,995		$	-	$	-	$	8,995
U.S. government and government agency securities			2,670			4,950		-		7,620
Corporate bonds			-			10,500		-		10,500
Common stocks			16,155			-		-		16,155
Common trust funds			-			11,443		-		11,443
Total pension plan assets		$	27,820		$	26,893	$	-	$	54,713
Assets measured at fair value on a non-recurring basis
Collateral-dependent impaired loans (3)		$	-		$	-	$	125,258	$	125,258
OREO (4)			-			-		53,439		53,439
Total assets		$	-		$	-	$	178,697	$	178,697

Collateralized Residential Mortgage Obligations [Text Block]

	Collateralized Mortgage Obligations			Other Mortgage- Backed Securities
Weighted-average coupon rate		4.5	%		1.8	%
Weighted-average maturity, in years		2.2			3.9
Information on underlying residential mortgages:
Origination dates	2000 to 2010			2000 to 2010
Weighted-average coupon rate		5.7	%		5.8	%
Weighted-average maturity, in years		8.3			9.2

Carrying Value of Level 3 Securities Available For Sale [Text Block]

	Years Ended December 31,
	2011			2010			2009
	Collateralized Debt Obligations			Collateralized Debt Obligations			Mortgage- Backed Securities			Collateralized Debt Obligations			Total
Balance at beginning of year	$	14,858		$	11,728		$	16,632		$	42,086		$	58,718
Total income (loss):
Included in earnings (1)		(936	)		(4,664	)		-			(24,509	)		(24,509	)
Included in other comprehensive income (loss)		(528	)		7,794			566			(5,834	)		(5,268	)
Principal paydowns		-			-			(1,590	)		(22	)		(1,612	)
Accretion		-			-			(2	)		7			5
Transfer out of Level 3 (2)		-			-			(15,606	)		-			(15,606	)
Balance at end of year	$	13,394		$	14,858		$	-		$	11,728		$	11,728
Change in unrealized losses recognized in earnings relating to securities still held at end of period	$	(936	)	$	(4,664	)	$	-		$	(24,509	)	$	(24,509	)

Carrying Value of Mortgage Servicing Rights [Text Block]

	Years Ended December 31,
	2011			2010			2009
Balance at beginning of year	$	942		$	1,238		$	1,461
New servicing assets		-			-			237
Total gains (losses) included in earnings (1):
Due to changes in valuation inputs and assumptions (2)		179			(28	)		(145	)
Other changes in fair value (3)		(192	)		(268	)		(315	)
Balance at end of year	$	929		$	942		$	1,238
Key economic assumptions used in measuring fair value, at end of year:
Weighted-average prepayment speed		12.4	%		17.3	%		20.1	%
Weighted-average discount rate		11.6	%		11.5	%		11.4	%
Weighted-average maturity, in months		199.7			202.2			210.7
Contractual servicing fees earned during the year (1)	$	235		$	301		$	324
Total amount of loans being serviced for the benefit of others, at end of year (4)	$	78,594		$	114,720		$	123,842

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

	Year Ended December 31, 2011
	Charged to Allowance for Loan Losses		Charged to Earnings
Collateral-dependent impaired loans	$	88,017	$	-
OREO		-		3,785
Loans held-for-sale		2,191		-
Assets held-for-sale		-		671

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

	December 31,
	2011				2010
	Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
Financial Assets:
Cash and due from banks	$	123,354	$	123,354	$	102,495	$	102,495
Interest-bearing deposits in other banks		518,176		518,176		483,281		483,281
Loans held-for-sale		4,200		4,200		236		236
Trading securities		14,469		14,469		15,282		15,282
Securities available-for-sale		1,013,006		1,013,006		1,057,802		1,057,802
Securities held-to-maturity		60,458		61,477		81,320		82,525
Loans, net of allowance for loan losses		5,229,153		5,224,254		5,329,717		5,323,830
FDIC indemnification asset		65,609		65,609		95,899		95,899
Accrued interest receivable		29,826		29,826		29,953		29,953
Investment in bank-owned life insurance		206,235		206,235		197,644		197,644
Financial Liabilities:
Deposits	$	6,479,175	$	6,479,309	$	6,511,476	$	6,512,626
Borrowed funds		205,371		208,728		303,974		306,703
Senior and subordinated debt		252,153		237,393		137,744		122,261
Accrued interest payable		4,019		4,019		4,557		4,557
Derivative liabilities		2,459		2,459		1,833		1,833
Standby letters of credit		668		668		696		696