CONSOLIDATED BALANCE SHEETS Consolidated Balance Sheets Parenthetical (Equity) (USD $)	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Statement of Financial Position [Abstract]
Preferred Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01	$ 0.01
Preferred Stock, Shares Authorized	3,000,000	3,000,000	3,000,000
Preferred Stock, Shares Outstanding	0	0	0
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01	$ 0.01
Common Stock, Shares Authorized	150,000,000	150,000,000	150,000,000
Common Stock, Shares, Issued	38,706,966	38,682,771	38,664,403
Common Stock, Shares, Outstanding	38,706,966	38,682,771	38,664,403