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Stocckholders' Equity (Details)
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Mar. 31, 2013
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Dec. 31, 2012
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|---|---|---|
| Class of Stock [Line Items] | ||
| Preferred Stock, Shares Issued | 0 | 0 |
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Series A
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| Class of Stock [Line Items] | ||
| Common Stock, Capital Shares Reserved for Future Issuance | 40,900,000 | |
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Series B
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| Class of Stock [Line Items] | ||
| Common Stock, Capital Shares Reserved for Future Issuance | 2,000,000,000 |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Aggregate number of common shares reserved for future issuance. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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