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Equity - Preferred Stock Dividends (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Class of Stock |  |  |  |
Dividends Paid | $ 3,315 | $ 3,315 | $ 28,453 | $ 28,453
Dividends Unpaid | 10,566 | 10,566 | 13,191 | 13,191
Total | 13,881 | 13,881 | 41,644 | 41,644
8.5% Convertible perpetual preferred stock |  |  |  |
Class of Stock |  |  |  |
Dividends Paid | 2,815 | 2,815 | 14,078 | 14,078
Dividends Unpaid | 2,816 | 2,816 | 2,816 | 2,816
Total | 5,631 | 5,631 | 16,894 | 16,894
6.0% Convertible perpetual preferred stock |  |  |  |
Class of Stock |  |  |  |
Dividends Paid | 500 | 500 | 6,500 | 6,500
Dividends Unpaid | 2,500 | 2,500 | 2,500 | 2,500
Total | 3,000 | 3,000 | 9,000 | 9,000
7.0% Convertible perpetual preferred stock |  |  |  |
Class of Stock |  |  |  |
Dividends Paid | 0 | 0 | 7,875 | 7,875
Dividends Unpaid | 5,250 | 5,250 | 7,875 | 7,875
Total | $ 5,250 | $ 5,250 | $ 15,750 | $ 15,750

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- Definition Preferred Dividends Accrued Not Yet Paid + References No definition available. + Details
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- Details
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- Definition The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders. + References No definition available. + Details
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