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Business Combinations Pro Forma Information (Details) - First Clover Leaf [Member] - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2016 | Sep. 30, 2016
Business Acquisition [Line Items] |  |
Business Acquisitions Pro Forma Net Interest Income | $ 21,255 | $ 63,727
Business Acquisitions Pro Forma Provision For Loan Losses | 1,363 | 2,209
Business Acquisitions Pro Forma Non-Interest Income | 7,322 | 21,640
Business Acquisitions Pro Forma Non-Interest Expense | 20,039 | 57,145
Business Acquisitions Pro Forma Income before Income Taxes | 7,175 | 26,013
Business Acquisitions Pro Forma, Income Tax Expense | 2,481 | 9,079
Business Acquisition, Pro Forma Net Income (Loss) | $ 4,694 | $ 16,934
Business Acquisition, Pro Forma Earnings Per Share, Basic | $ 450 | $ 1,720
Business Acquisition, Pro Forma Earnings Per Share, Diluted | $ 450 | $ 1,680
Weighted Average Basic Shares Outstanding, Pro Forma | 10,497,072 | 9,372,547
Pro Forma Weighted Average Shares Outstanding, Diluted | 10,504,046 | 10,057,398

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