Consolidated Balance Sheet Parenthetical (USD $)	Dec. 31, 2011	Dec. 31, 2010
Preferred Stock, par value	$ 0.01	$ 0.01
Preferred Stock, authorized	25,000,000	25,000,000
Preferred Stock, outstanding	0	0
Preferred stock, issued	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, authorized	100,000,000	100,000,000
Common stock, issued	42,900,000	42,900,000