Note 6 - Goodwill and Identifiable Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

	At December 31,
	2013		2012
	(In thousands)
Goodwill	$	121,673	$	121,673

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	At December 31,
	2013					2012
	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
	(In thousands)
Core Deposit Intangibles	$	56,808	$	(39,242	)	$	56,808	$	(34,938	)
Merchant Draft Processing Intangible		10,300		(9,309	)		10,300		(8,909	)
Total Intangible Assets	$	67,108	$	(48,551	)	$	67,108	$	(43,847	)

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

	Core Deposit Intangibles		Merchant Draft Processing Intangible		Total
	(In thousands)
Twelve months ended December 31, 2013 (actual)	$	4,304	$	400	$	4,704
Estimate for year ended December 31,
2014		3,946		324		4,270
2015		3,594		262		3,856
2016		3,292		212		3,504
2017		2,913		164		3,077
2018		1,892		29		1,921