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Goodwill and Other Intangible Assets (Details 1) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
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Summary of finite-lived intangible assets |  |
Gross Carrying Amount | $ 49,962 | $ 47,952
Accumulated Amortization | (25,888) | (19,141)
Net Carrying Amount | 24,074 | 28,811
Core deposit intangible |  |
Summary of finite-lived intangible assets |  |
Gross Carrying Amount | 47,992 | 45,982
Accumulated Amortization | (25,188) | (18,572)
Net Carrying Amount | 22,804 | 27,410
Customer relationship intangible |  |
Summary of finite-lived intangible assets |  |
Gross Carrying Amount | 1,970 | 1,970
Accumulated Amortization | (700) | (569)
Net Carrying Amount | $ 1,270 | $ 1,401

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite 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)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite 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)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite 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)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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