Acquisitions	6 Months Ended
Jun. 30, 2015
Business Combinations [Abstract]
Acquisitions	ACQUISITIONS Popular Community Bank On August 8, 2014, the Bank completed the acquisition of the Chicago area banking operations of Banco Popular North America ("Popular"), doing business as Popular Community Bank, which is a subsidiary of Popular, Inc. The acquisition included Popular's twelve full-service retail banking offices and its small business and middle market commercial lending activities in the Chicago metropolitan area at a purchase price of $19.0 million paid in cash. The Company recorded goodwill of $32.2 million associated with the acquisition. The assets acquired and liabilities assumed, both intangible and tangible, were recorded at their estimated fair values as of the August 8, 2014 acquisition date and have been accounted for under the acquisition method of accounting. The fair value adjustments associated with this transaction were finalized during the second quarter of 2015 and there were no retrospective adjustments. Great Lakes Financial Resources, Inc. On December 2, 2014, the Company completed the acquisition of the south suburban Chicago-based Great Lakes Financial Resources, Inc. ("Great Lakes"), the holding company for Great Lakes Bank, National Association. The Company acquired all assets and assumed all liabilities of Great Lakes, which included seven full-service retail banking offices and one drive-up location, at a purchase price of approximately $55.8 million. Consideration consisted of $38.3 million in Company common stock and $17.5 million in cash. The Company recorded goodwill of $10.3 million associated with the acquisition. The assets acquired and liabilities assumed, both intangible and tangible, were recorded at their estimated fair values as of the December 2, 2014 acquisition date and have been accounted for under the acquisition method of accounting. The Company is finalizing the fair values of the assets and liabilities acquired. As a result, the fair value adjustments associated with these accounts and goodwill are preliminary and may change. National Machine Tool Financial Corporation On September 26, 2014, the Bank completed the acquisition of National Machine Tool Financial Corporation ("National Machine Tool"), now known as First Midwest Equipment Finance Co., which provides equipment leasing and commercial financing alternatives to traditional bank financing. On the date of acquisition, the Bank acquired approximately $5.9 million in assets, excluding goodwill, which primarily consisted of direct financing leases, lease loans, and other assets, at a purchase price of $3.1 million paid in cash. Goodwill recorded as a result of the acquisition totaled $4.0 million. The assets acquired and liabilities assumed, both intangible and tangible, were recorded at their estimated fair values as of the September 26, 2014 acquisition date and have been accounted for under the acquisition method of accounting. The Company is finalizing the fair values of the assets and liabilities acquired. As a result, the fair value adjustments associated with these accounts and goodwill are preliminary and may change.

Acquisitions

6 Months Ended

Jun. 30, 2015

ACQUISITIONS

Popular Community Bank

On August 8, 2014, the Bank completed the acquisition of the Chicago area banking operations of Banco Popular North America ("Popular"), doing business as Popular Community Bank, which is a subsidiary of Popular, Inc. The acquisition included Popular's twelve full-service retail banking offices and its small business and middle market commercial lending activities in the Chicago metropolitan area at a purchase price of $19.0 million paid in cash. The Company recorded goodwill of $32.2 million associated with the acquisition. The assets acquired and liabilities assumed, both intangible and tangible, were recorded at their estimated fair values as of the August 8, 2014 acquisition date and have been accounted for under the acquisition method of accounting. The fair value adjustments associated with this transaction were finalized during the second quarter of 2015 and there were no retrospective adjustments.

Great Lakes Financial Resources, Inc.

On December 2, 2014, the Company completed the acquisition of the south suburban Chicago-based Great Lakes Financial Resources, Inc. ("Great Lakes"), the holding company for Great Lakes Bank, National Association. The Company acquired all assets and assumed all liabilities of Great Lakes, which included seven full-service retail banking offices and one drive-up location, at a purchase price of approximately $55.8 million. Consideration consisted of $38.3 million in Company common stock and $17.5 million in cash. The Company recorded goodwill of $10.3 million associated with the acquisition. The assets acquired and liabilities assumed, both intangible and tangible, were recorded at their estimated fair values as of the December 2, 2014 acquisition date and have been accounted for under the acquisition method of accounting. The Company is finalizing the fair values of the assets and liabilities acquired. As a result, the fair value adjustments associated with these accounts and goodwill are preliminary and may change.

National Machine Tool Financial Corporation

On September 26, 2014, the Bank completed the acquisition of National Machine Tool Financial Corporation ("National Machine Tool"), now known as First Midwest Equipment Finance Co., which provides equipment leasing and commercial financing alternatives to traditional bank financing. On the date of acquisition, the Bank acquired approximately $5.9 million in assets, excluding goodwill, which primarily consisted of direct financing leases, lease loans, and other assets, at a purchase price of $3.1 million paid in cash. Goodwill recorded as a result of the acquisition totaled $4.0 million. The assets acquired and liabilities assumed, both intangible and tangible, were recorded at their estimated fair values as of the September 26, 2014 acquisition date and have been accounted for under the acquisition method of accounting. The Company is finalizing the fair values of the assets and liabilities acquired. As a result, the fair value adjustments associated with these accounts and goodwill are preliminary and may change.