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Goodwill and Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract] |
Summary of Intangible Assets | The table below presents a summary of intangible assets:
(in thousands) | Years ended December 31,
2017 |  | 2016
Gross core deposit intangible balance, beginning of year | $ | 9,060 |  |  | $ | 9,060 |
Additions | 11,514 |  |  | — |
Gross core deposit intangible, end of period | 20,574 |  |  | 9,060 |
Accumulated amortization | (9,518 | ) |  | (6,909 | )
Core deposit intangible, net, end of year | $ | 11,056 |  |  | $ | 2,151 |
Expected Amortization Schedule for the Core Deposit Intangible | The following table reflects the expected amortization schedule for the core deposit intangible (in thousands) at December 31, 2017.
Year | Core Deposit Intangible
2018 | $ | 2,504 |
2019 | 2,129 |
2020 | 1,755 |
2021 | 1,381 |
2022 | 1,071 |
After 2022 | 2,216 |
| $ | 11,056 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + 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=66006027&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + 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=66006027&loc=d3e16323-109275 + Details
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