XML 37 R25.htm IDEA: XBRL DOCUMENT

Recent Developments	6 Months Ended
Recent Developments	Jun. 30, 2017
Subsequent Events [Abstract]
Recent Developments	Recent Developments On July 20, 2017, the Corporation announced the signing of a definitive merger agreement with Bank Mutual Corporation ("Bank Mutual") in an all-stock stock transaction. Bank Mutual Corporation is a bank holding company and the parent for BankMutual, an Office of the Comptroller of the Currency ("OCC") Chartered national bank. Based in Milwaukee, with consolidated assets of approximately $2.7 billion and deposits of approximately $1.9 billion as of June 30, 2017, BankMutual was the third largest bank, by deposit market share, headquartered in Wisconsin. Under the terms of the agreement, shareholders of Bank Mutual will receive 0.422 shares of the Corporation's common stock for each share of Bank Mutual common stock. The transaction is valued at approximately $482 million based on the closing stock price on the day preceding the announcement. The transaction is expected to be completed in early 2018, subject to the customary closing conditions, regulatory approvals, and the approval of Bank Mutual's shareholders.