Condensed Consolidated Balance Sheets (Parenthetical) (USD $)	Mar. 31, 2012	Dec. 31, 2011
Statement of Financial Position [Abstract]
Common stock, par value	$ 0.01	$ 0.01
Common Stock, Shares Authorized	40,000,000	40,000,000
Common stock, shares issued	27,786,186	27,751,208
Common stock, shares outstanding	27,786,186	27,751,208