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Subsequent Event (Notes)	9 Months Ended
Subsequent Event (Notes)	Sep. 30, 2016
Subsequent Event [Line Items]
Subsequent Events [Text Block]	Subsequent Event On October 3, 2016, the Company announced the signing of a definitive Agreement and Plan of Merger providing for the merger of DCB Financial Corporation with and into the Company in a stock and cash transaction valued at approximately $14.50 per share, or $106 million in the aggregate. The acquisition of DCB Financial Corporation includes approximately $556 million in total assets, $467 million in deposits, $397 million in total loans and 9 full-service banking offices in the Columbus market area. This transaction is subject to regulatory approval and is expected to close in the second quarter of 2017.