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Sale of Retail Branch Office (Details) - USD ($) $ in Thousands | Sep. 30, 2017 | Dec. 31, 2016
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Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Deposits held for sale | $ 38,960 | $ 0
Disposal Group, Held-for-sale, Not Discontinued Operations | State College Retail Branch | First Citizens Community Bank |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Loans held for sale | 43,400 |
Deposits held for sale | $ 39,000 |

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