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UNAUDITED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) | 6 Months Ended
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Jun. 30, 2014 $ / shares
Statement of Stockholders' Equity [Abstract] |
Preferred stock dividends (dollar per share) | $ 18.75

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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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