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CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (Parenthetical) (8.50% Series C preferred stock) | 9 Months Ended
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Sep. 30, 2014
8.50% Series C preferred stock |
Preferred stock, dividend rate (as a percent) | 8.50%

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- Definition The percentage rate used to calculate dividend payments on preferred stock. + References No definition available. + Details
Name: | us-gaap_PreferredStockDividendRatePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration