Goodwill and Other Intangible Assets (Details 1) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Summary of finite-lived intangible assets
Gross Carrying Amount	$ 35,696	$ 40,287
Accumulated Amortization	(13,072)	(12,057)
Net Carrying Amount	22,624us-gaap_FiniteLivedIntangibleAssetsNet	28,230us-gaap_FiniteLivedIntangibleAssetsNet
Core deposit intangible
Summary of finite-lived intangible assets
Gross Carrying Amount	33,726	38,317
Accumulated Amortization	(12,635)	(11,750)
Net Carrying Amount	21,091	26,567
Customer relationship intangible
Summary of finite-lived intangible assets
Gross Carrying Amount	1,970	1,970
Accumulated Amortization	(437)	(307)
Net Carrying Amount	$ 1,533	$ 1,663

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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