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Goodwill and Intangible Assets - Schedule of Intangible Assets and Goodwill (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
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Goodwill And Intangible Assets Disclosure [Abstract] |  |  |  |
Goodwill | $ 15,968 us-gaap_Goodwill | $ 14,047 us-gaap_Goodwill |  |
Core deposit intangibles | 11,218 us-gaap_FiniteLivedCoreDepositsGross | 14,471 us-gaap_FiniteLivedCoreDepositsGross |  |
Other intangible assets | 1,871 us-gaap_OtherIntangibleAssetsNet |  |  |
Goodwill and intangible assets, net | $ 29,057 us-gaap_IntangibleAssetsNetIncludingGoodwill | $ 28,518 us-gaap_IntangibleAssetsNetIncludingGoodwill | $ 14,047 us-gaap_IntangibleAssetsNetIncludingGoodwill | $ 5,201 us-gaap_IntangibleAssetsNetIncludingGoodwill

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- Definition Bank deposits belonging to an acquired bank that can be counted on as a stable source of lending funds. These deposits have the following attributes: predictable costs and low sensitivity to interest rates. This intangible asset is usually amortized over its estimated useful life. + References 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) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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- Details
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- Definition Carrying amount of finite-lived intangible assets, indefinite-lived intangible assets and goodwill. Goodwill is an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Intangible assets are assets, not including financial assets, lacking physical substance. + References No definition available. + Details
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- Definition The net carrying amount as of the balance sheet date of other indefinite-lived and finite-lived intangible assets that are not separately presented on the statement of financial position. + References No definition available. + Details
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