Condensed Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (Parentheticals) (USD $)	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash dividends per common share (in Dollars per share)	$ 2.36	$ 0.33
Common Stock [Member]
Employee stock purchase plan, shares	523	1,098
Dividend reinvestment plan, shares	4,695	1,954
Stock option exercises	24,110	2,950
Stock grants to directors for retainer fees	7,375
Common stock issued in connection with Firstbank merger	8,087,272
Stock tendered for stock option exercises		2,419