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Consolidated Balance Sheets (Paranthetical) (USD $)
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Dec. 31, 2013
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Dec. 31, 2012
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|---|---|---|
| Stockholders' equity | ||
| Preferred shares, par value | $ 1.00 | $ 1.00 |
| Common shares, par value | $ 0.01 | $ 0.01 |
| X | ||||||||||
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- Definition
Face amount or stated value per share of common stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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