Note 6 - Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2015

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

Schedule of Intangible Assets and Goodwill [Table Text Block]

(In thousands)	September 30, 2015			December 31, 2014
Goodwill	$	314,282		$	108,095
Core deposit premiums:
Gross carrying amount		43,648			18,318
Accumulated amortization		(5,135	)		(2,386	)
Core deposit premiums, net		38,513			15,932
Purchased credit card relationships:
Gross carrying amount		2,068			2,068
Accumulated amortization		(827	)		(517	)
Purchased credit card relationships, net		1,241			1,551
Books of business intangible:
Gross carrying amount		5,560			5,140
Accumulated amortization		(410	)		(97	)
Books of business intangible, net		5,150			5,043
Other intangible assets, net		44,904			22,526
Total goodwill and other intangible assets	$	359,186		$	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
	Remainder of 2015	$	1,287
	2016		5,166
	2017		5,166
	2018		5,063
	2019		4,752
	Thereafter		23,469
	Total	$	44,904