Condensed Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (Parentheticals) (USD $)	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash dividends per common share (in Dollars per share)	$ 2.24	$ 0.21
Common Stock [Member]
Stock option exercises	5,920
Stock grants to directors for retainer fees	7,375
Common stock issued in connection with Firstbank merger	8,087,272
Employee stock purchase plan, shares		1,098
Dividend reinvestment plan, shares		1,954