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Goodwill and Intangible Assets (Tables) | 9 Months Ended
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Sep. 30, 2018
Goodwill And Intangible Assets Disclosure [Abstract] |
Schedule of Acquired Intangible Assets, Other than Goodwill | Acquired intangible assets, other than goodwill, as of September 30, 2018 and December 31, 2017 were as follows:
|  | 2018 |  |  | 2017 |
|  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |
Amortized intangible assets(1): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
MSRs |  | $ | 2,065 |  |  | $ | 386 |  |  | $ | 1,679 |  |  | $ | 1,065 |  |  | $ | 322 |  |  | $ | 743 |
Core deposit intangibles |  |  | 14,792 |  |  |  | 6,823 |  |  |  | 7,969 |  |  |  | 7,274 |  |  |  | 6,738 |  |  |  | 536 |
Total amortized intangible assets |  | $ | 16,857 |  |  | $ | 7,209 |  |  | $ | 9,648 |  |  | $ | 8,339 |  |  | $ | 7,060 |  |  | $ | 1,279 |
Schedule of Estimated Amortization Expense | Estimated amortization expense for each of the next five years and thereafter is as follows:
|  | MSRs |  |  | Core deposit intangibles |  |  | Total |
2018 |  | $ | 22 |  |  | $ | 281 |  |  | $ | 303 |
2019 |  |  | 88 |  |  |  | 945 |  |  |  | 1,033 |
2020 |  |  | 88 |  |  |  | 914 |  |  |  | 1,002 |
2021 |  |  | 87 |  |  |  | 891 |  |  |  | 978 |
2022 |  |  | 87 |  |  |  | 868 |  |  |  | 955 |
Thereafter |  |  | 1,307 |  |  |  | 4,070 |  |  |  | 5,377 |
|  | $ | 1,679 |  |  | $ | 7,969 |  |  | $ | 9,648 |

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- Definition Tabular disclosure of the characteristics, including initial carrying value, residual amount, weighted average useful life, of finite-lived intangible assets acquired during the period by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by nature or by their use in the operations of the company. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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://fasb.org/us-gaap/role/ref/legacyRef -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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