XML 17 R7.htm IDEA: XBRL DOCUMENT v3.10.0.1
CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Common stock issued for stock grants- Gross (in shares)     5,223    
Common stock, forfeited (in shares)     497    
Dividends per share (in dollars per share) $ 0.31 $ 0.29 $ 0.93 $ 0.87  
Common stock, par value (in dollars per share) $ 0   $ 0   $ 0
Director          
Common stock issued for stock grants- Gross (in shares)     981    
Common stock issued - Stock options exercised (in shares)     $ 600