Earnings Per Share (Narrative) (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Earnings Per Share [Abstract]
Anti-dilutive stock options			282,980	312,180
Anti-dilutive convertible preferred shares	674,545	674,545		674,545