Acquisitions	3 Months Ended
Mar. 31, 2019
Business Combinations [Abstract]
Acquisitions	Acquisitions Pending Branch Acquisition: During the fourth quarter of 2018, the Corporation announced that Associated Bank had reached an agreement to acquire the Wisconsin branch banking operations of Huntington. Under the terms of the transaction, Associated Bank expects to acquire approximately $850 million in deposits and $134 million in loans. The Huntington branch acquisition will add a net 14 branches to our franchise. On February 15, 2019, the Corporation received regulatory approval for the acquisition. The transaction is subject to customary closing conditions, and is expected to close in June of 2019.

The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-URI http://asc.fasb.org/topic&trid=2303972

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