Note 14 - Commitments and Contingencies (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2012

Dec. 31, 2012

Schedule of Fair Value, Off-balance Sheet Risks [Table Text Block]

	2012		2011
	(In thousands)
Commitments to extend credit	$	1,740,463	$	1,626,523
Standby letters of credit		44,672		62,076
Commercial letters of credit		71,073		64,233
Bill of lading guarantees		77		187
Total	$	1,856,285	$	1,753,019

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

Year Ending December 31,	Commitments
	(In thousands)
2013	$	6,084
2014		4,939
2015		3,009
2016		2,028
2017		617
Thereafter		661
Total minimum lease payments	$	17,338

Schedule Of Future Rental Payments To Be Received For Operating Leases [Table Text Block]

Year Ending December 31,	Commitments
	(In thousands)
2013	$	108
2014		60
2015		11
Thereafter		-
Total minimum lease payments to be received	$	179