Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - 9 months ended Sep. 30, 2017 - USD ($) $ in Thousands	Total	Lafayette Community Bancorp [Member]	Additional Paid-in Capital [Member]	Additional Paid-in Capital [Member] Lafayette Community Bancorp [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balances at Dec. 31, 2016	$ 340,855		$ 182,326		$ 164,173	$ (5,644)
Net Income	25,467				25,467
Other comprehensive income (loss), net of tax	3,867					3,867
Amortization of unearned compensation	103		103
Exercise of stock options	616		616
Stock option expense	238		238
Stock issued in Lafayette acquisition		$ 29,153		$ 29,153
Cash dividends on common stock	(8,244)				(8,244)
Ending Balances at Sep. 30, 2017	$ 392,055		$ 212,436		$ 181,396	$ (1,777)