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Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands |  | 9 Months Ended |  |
--- | --- | --- | --- | ---
Jul. 01, 2017 | Sep. 30, 2017 | Dec. 31, 2016 | Sep. 30, 2016
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Goodwill |  | $ 19,580 | $ 6,308 | $ 6,308
Customer lists |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Amortization period |  | 10 years |  |
Core deposit intangibles |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Amortization period |  | 10 years |  |
RIG |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Goodwill |  | $ 6,308 |  |
RIG | Customer lists |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Gross carrying amount of intangible asset |  | 6,667 |  |
Accumulated amortization of intangible asset |  | $ 6,223 |  |
Amortization period |  | 10 years |  |
New Windsor |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Goodwill | $ 13,272 | $ 13,272 |  |
New Windsor | Core deposit intangibles |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Gross carrying amount of intangible asset |  | 2,418 |  |
Accumulated amortization of intangible asset |  | $ 110 |  |
Amortization period | 10 years | 10 years |  |
Minimum | Customer lists |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Amortization period |  | 8 years |  |
Maximum | Customer lists |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Amortization period |  | 13 years |  |

X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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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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