Acquisitions (Tables)

3 Months Ended

Mar. 31, 2018

Business Combinations [Abstract]

Estimated Fair Values of Assets Acquired and Liabilities Assumed

The following table presents the estimated fair values of the assets acquired and liabilities assumed as of the acquisition date related to Bank Mutual.

	Purchase Accounting Adjustments			February 1, 2018
	($ in Thousands)
Assets
Cash and cash equivalents	$	—		$	78,052
Investment securities	(6,238		)	452,867
Federal Home Loan Bank stock, at cost	—			20,026
Loans	(48,533		)	1,875,386
Premises and equipment, net	11,172			50,930
Bank owned life insurance	(24		)	65,390
Goodwill				166,870
Core deposit intangibles (included in other intangible assets, net on the face of the Consolidated Balance Sheet)	58,100			58,100
Other real estate owned	(246		)	4,403
Others assets	$	5,098		$	37,151
Total assets				$	2,809,175
Liabilities
Deposits	$	2,498		$	1,840,950
Other borrowings	935			430,946
Other liabilities	$	2,148		$	55,591
Total liabilities				$	2,327,487
Total consideration paid				$	481,688