XML 17 R7.htm IDEA: XBRL DOCUMENT v3.8.0.1
Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - $ / shares
9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Common stock, cash dividends, per share, declared $ 0.39 $ 0.36
Retained earnings    
Common stock, cash dividends, per share, declared $ 0.39 $ 0.36