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UNAUDITED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) (USD $) | 9 Months Ended
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Sep. 30, 2014 | Sep. 30, 2013
Statement of Stockholders' Equity [Abstract] |  |
Preferred stock dividends (in USD per share) | $ 18.75 | $ 27.92

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- Definition Aggregate dividends declared during the period for each share of preferred stock outstanding. + References No definition available. + Details
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- Details
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