Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The number of securities classified as temporary equity that have been allocated to investors to buy. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.

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Subsequent Events (Details) (USD $)	Aug. 02, 2012	Aug. 01, 2012	Jun. 30, 2012	Dec. 31, 2011
Subsequent Events (Textual) [Abstract]
Common stock, shares purchased		3,076,923
Common stock, warrants to purchase		3,076,923
Common stock, par value		$ 1.95
Series A Cumulative Redeemable Preferred Stock, initial liquidation		$ 6,000,000
Total purchase price of common stock		12,000,000
Repayment of amount outstanding under the Borrowing Base Facility	$ 7,500,000		$ 167,355,000	$ 193,000,000