Condensed Consolidated Statements of Shareholders' Equity (Parenthetical) (USD $) | 9 Months Ended | |
|---|---|---|
Sep. 30, 2011 | Sep. 30, 2010 | |
| Cash dividends, per share (in dollars per share) | $ 0.33 | $ 0.16 |
Common Stock | ||
| Issuance of common stock | 16,300,000 | |
| Issuance of nonvested common stock | 12,500 | 478,500 |
Class B Stock | ||
| Capital contribution from Genco for exchange, shares | 5,699,088 | |
Capital Stock | ||
| Capital contribution from Genco for exchange, shares | 100 | |
| X | ||||||||||
- Definition This element represents the exchange of shares of one class of stock for a different class.
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- Definition Aggregate dividends paid during the period for each share of common stock outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Number of new stock issued during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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