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Acquisition - Narrative (Details) $ in Thousands |  |  | 12 Months Ended
--- | --- | --- | ---
May 01, 2018 USD ($) branch shares | Apr. 03, 2017 USD ($) branch shares | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($)
Business Acquisition [Line Items] |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  |  | $ (705) | $ (3,188) | $ (479,469)
Goodwill, Acquired During Period |  |  | 18,800 |  |
Merger and acquisition related |  |  | 1,637 | 10,213 | $ 3,173
Goodwill |  |  | 274,202 | $ 255,353 |
Garfield Acquisition Corp [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired | $ 17,400 |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | shares | 2,745,098 |  |  |  |
Number of Full Service Branches | branch | 5 |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets | $ 209,276 |  |  |  |
Business Combination, Acquired Receivables, Gross Contractual Amount | 183,700 |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Deposits | 141,281 |  |  |  |
Goodwill, Acquired During Period | 19,000 |  |  |  |
Total consideration received | 58,961 |  |  |  |
Merger and acquisition related |  |  | 1,600 |  |
Loans | 184,506 |  |  |  |
Business Combination, Acquired Receivables, Fair Value Adjustment | 4,300 |  |  |  |
Business Combination, Acquired Receivables, Contractual Adjustments | $ 5,100 |  |  |  |
DCB Financial Corp [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  | $ 21,232 |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | shares |  | 8,356,882 |  |  |
Number of Full Service Branches | branch |  | 9 |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets |  | $ 554,890 |  |  |
Business Combination, Acquired Receivables, Gross Contractual Amount |  | 390,800 |  |  |
Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Deposits |  | 484,366 |  |  |
Goodwill, Acquired During Period |  | 70,600 |  |  |
Total consideration received |  | $ 132,044 |  |  |
Merger and acquisition related |  |  | $ 10,200 |  |
Number of Limited Service Branches | branch |  | 4 |  |  |
Loans |  | $ 383,083 |  |  |
Business Combination, Acquired Receivables, Fair Value Adjustment |  | $ 7,700 |  |  |

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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e1043-128460 + Details
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