Note 12 - Fair Value of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2012

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

	As of September 30, 2012				As of December 31, 2011
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
	(In thousands)
Financial Assets
Cash and due from banks	$	114,646	$	114,646	$	117,888	$	117,888
Short-term investments		426,456		426,456		294,956		294,956
Securities held-to-maturity		849,376		908,067		1,153,504		1,203,977
Securities available-for-sale		1,293,571		1,293,571		1,294,478		1,294,478
Trading securities		4,619		4,619		4,542		4,542
Loans held-for-sale		-		-		760		760
Loans, net		7,066,456		7,015,190		6,844,483		6,825,571
Investment in Federal Home Loan Bank stock		45,493		45,493		52,989		52,989
Warrants		114		114		218		218

	Notional Amount		Fair Value		Notional Amount		Fair Value
Option contracts	$	6,424	$	56	$	3,026	$	34
Foreign exchange contracts		184,711		2,401		238,581		2,151

	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Financial Liabilities
Deposits	$	7,353,041	$	7,359,427	$	7,229,131	$	7,240,857
Securities sold under agreements to repurchase		1,350,000		1,477,535		1,400,000		1,547,900
Advances from Federal Home Loan Bank		21,200		21,843		225,000		227,825
Other borrowings		18,746		16,069		19,800		19,801
Long-term debt		171,136		98,392		171,136		98,676

	Notional Amount		Fair Value		Notional Amount		Fair Value
Option contracts	$	7,097	$	49	$	1,282	$	5
Interest rate swaps		-		-		300,000		2,634
Foreign exchange contracts		142,234		1,018		128,215		486

	Notional Amount		Fair Value			Notional Amount		Fair Value
Off-Balance Sheet Financial Instruments
Commitments to extend credit	$	1,734,352	$	(1,457	)	$	1,626,523	$	(1,253	)
Standby letters of credit		43,282		(244	)		62,076		(367	)
Other letters of credit		83,311		(39	)		64,233		(38	)
Bill of lading guarantees		9		-			187		-