Note 7 - Goodwill and Identifiable Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

	At March 31, 2014		At December 31, 2013
	(In thousands)
Goodwill	$	121,673	$	121,673

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

	At March 31, 2014					At December 31, 2013
	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
	(In thousands)
Core Deposit Intangibles	$	56,808	$	(40,257	)	$	56,808	$	(39,242	)
Merchant Draft Processing Intangible		10,300		(9,399	)		10,300		(9,309	)
Total Identifiable Intangible Assets	$	67,108	$	(49,656	)	$	67,108	$	(48,551	)

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

		Core Deposit Intangibles		Merchant Draft Processing Intangible		Total
		(In thousands)
Three months ended March 31, 2014 (actual)		$	1,015	$	90	$	1,105
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
	2019		538		-		538