Summary Of Significant Accounting Policies (Narrative) (Details) (USD $)	0 Months Ended	3 Months Ended		9 Months Ended
	Jul. 10, 2012	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Summary Of Significant Accounting Policies [Line Items]
Reverse stock split	0.1
Number of shares converted
Convertible debentures
Stock options and stock appreciation rights		400,641		400,641		562,733
Weighted average exercise price		$ 44.70		$ 44.70		$ 48.53
Weighted average exercise price of warrants or rights		$ 9.98		$ 9.98
Restricted Stock [Member]
Summary Of Significant Accounting Policies [Line Items]
Weighted average unearned restricted shares outstanding		102,504		99,577