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Statement of Equity Parenthetical (Parentheticals) (USD $)	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Preferred shares, par value per share	$ 0.01	$ 0.01	$ 0.01
Common shares, par value per share	$ 0.01	$ 0.01	$ 0.01

- Definition

Face amount or stated value per share of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer); generally not indicative of the fair market value per share.

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