Note 6 - Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2015

Note 6 - Goodwill and Other Intangible Assets (Tables) [Line Items]

Schedule of Intangible Assets and Goodwill [Table Text Block]

(In thousands)	March 31, 2015			December 31, 2014
Goodwill	$	314,643		$	108,095
Core deposit premiums:
Gross carrying amount		44,030			18,318
Accumulated amortization		(2,939	)		(2,386	)
Core deposit premiums, net		41,091			15,932
Purchased credit card relationships:
Gross carrying amount		2,068			2,068
Accumulated amortization		(621	)		(517	)
Purchased credit card relationships, net		1,447			1,551
Books of business intangible:
Gross carrying amount		5,560			5,140
Accumulated amortization		(211	)		(97	)
Books of business intangible, net		5,349			5,043
Other intangible assets, net		47,887			22,526
Total goodwill and other intangible assets	$	362,530		$	130,621

Core Deposit Premium [Member]

Note 6 - Goodwill and Other Intangible Assets (Tables) [Line Items]

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

(In thousands)	Year	Amortization  Expense
	2015	$	3,302
	2016		4,400
	2017		4,400
	2018		4,400
	2019		4,400
	Thereafter		20,189
	Total	$	41,091

(In thousands)	Year	Amortization  Expense
	2015	$	310
	2016		414
	2017		414
	2018		309
	Total	$	1,447

(In thousands)	Year	Amortization  Expense
	2015	$	300
	2016		427
	2017		427
	2018		427
	2019		427
	Thereafter		3,341
	Total	$	5,349