Consolidated Statement of Changes in Stockholders' Equity (Parenthetical) (USD $)	6 Months Ended
	Jun. 30, 2014
Cash dividends per share	$ 0.20
Purchase of treasury stock, shares	9,697
Reissuance of treasury stock for stock option exercises, shares	43,177
Treasury Stock [Member]
Purchase of treasury stock, shares	9,697
Reissuance of treasury stock for stock option exercises, shares	43,177
Retained Earnings [Member]
Cash dividends per share	$ 0.02
Reissuance of treasury stock for stock option exercises, shares	43,177