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Goodwill and Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Finite-Lived Intangible Assets | Changes in the gross carrying amount, accumulated amortization and net book value of core deposit intangibles were as follows:
| Year Ended December 31,
| 2016 |  | 2015 |  | 2014
| (In Thousands)
Gross carrying amount | $ | 347 |  |  | $ | 347 |  |  | $ | 347 |
Less: accumulated amortization | 145 |  |  | 83 |  |  | 12 |
Net book value | $ | 202 |  |  | $ | 264 |  |  | $ | 335 |
Amortization during the period | $ | 62 |  |  | $ | 71 |  |  | $ | 12 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense | Estimated amortization expense of core deposit intangibles for fiscal years 2017 through 2021 are as follows:
(In Thousands) |
Estimate for the year ended December 31, |
2017 | $ | 54 |
2018 | 47 |
2019 | 40 |
2020 | 35 |
2021 | 26 |
| $ | 202 |

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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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