Stock-Based Compensation (Number Of Shares Vested ) (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Stock-Based Compensation [Abstract]
Restricted shares	35,800	109,500	272,067	345,792
Stock awards with immediate vesting granted to managerial employees			32,500	403,700
Stock awards with immediate vesting granted to our directors pursuant to the Non-Employee Director Compensation Policy	53,328	45,729	121,341	107,969
Total shares	89,128	155,229	425,908	857,461