Note 7 - Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2017

Notes Tables

Schedule of Intangible Assets and Goodwill [Table Text Block]

(In thousands)	September 30, 2017			December 31, 2016
Goodwill	$	375,731		$	348,505
Core deposit premiums:
Gross carrying amount		56,532			48,692
Accumulated amortization		(14,297	)		(10,625	)
Core deposit premiums, net		42,235			38,067
Purchased credit card relationships:
Gross carrying amount		2,068			2,068
Accumulated amortization		(1,654	)		(1,344	)
Purchased credit card relationships, net		414			724
Books of business intangible:
Gross carrying amount		15,414			15,884
Accumulated amortization		(2,562	)		(1,716	)
Books of business intangible, net		12,852			14,168
Other intangible assets, net		55,501			52,959
Total goodwill and other intangible assets	$	431,232		$	401,464

Core Deposit Premium [Member]

Notes Tables

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

Year	(In thousands)
Remainder of 2017	$	1,665
2018		6,557
2019		6,247
2020		6,234
2021		6,172
Thereafter		28,626
Total	$	55,501