Goodwill and Other Intangible Assets - Components of Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 27,552	$ 23,956
Accumulated Amortization and Fair Value Adjustments	14,484	11,776
Net Carrying Amount	13,068	12,180
Core Deposit Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,520	0
Accumulated Amortization and Fair Value Adjustments	207	0
Net Carrying Amount	1,313	0
Customer Related Intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	14,227	13,397
Accumulated Amortization and Fair Value Adjustments	8,244	6,726
Net Carrying Amount	5,983	6,671
Mortgage Servicing Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	11,805	10,559
Accumulated Amortization and Fair Value Adjustments	6,033	5,050
Net Carrying Amount	$ 5,772	$ 5,509

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

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