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Subsequent Event (Notes)	6 Months Ended
Subsequent Event (Notes)	Jun. 30, 2016
Subsequent Event [Line Items]
Subsequent Events [Text Block]	Subsequent Event On July 27, 2016, the Company announced that it had reached an agreement with FirstMerit Bank, NA to acquire 13 retail branches in Canton and Ashtabula, Ohio with approximately $735 million of deposits and $115 million of performing retail and business loans. This transaction is subject to regulatory approval and is expected to close in the fourth quarter of 2016.