Earnings Per Share (Policy)	9 Months Ended
Sep. 30, 2011
Earnings Per Share [Abstract]
Earnings Per Share, Basic	Basic earnings per share is computed by dividing net income by the weighted average number of common shares outstanding during the period, including outstanding unvested restricted stock awards which contain rights to non-forfeitable dividends.
Earnings Per Share, Diluted	Diluted earnings per share is computed by dividing net income by the weighted average number of common shares outstanding adjusted for the dilutive effect of stock options.

Earnings Per Share (Policy)

9 Months Ended

Sep. 30, 2011

Basic earnings per share is computed by dividing net income by the weighted average number of common shares outstanding during the period, including outstanding unvested restricted stock awards which contain rights to non-forfeitable dividends.

Earnings Per Share, Diluted

Diluted earnings per share is computed by dividing net income by the weighted average number of common shares outstanding adjusted for the dilutive effect of stock options.