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Statement of Changes in Consolidated Equity (Unaudited) (Parenthetical) - $ / shares | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
Common stock, dividends per share |  | $ 0.03 | $ 0.06 | $ 0.06
Preferred Class A [Member] |  |  |  |
Preferred, dividends per share |  | 0.9375 | 1.875 | 1.875
Preferred Class B [Member] |  |  |  |
Preferred, dividends per share | $ 6.71875 | $ 6.71875 | $ 13.4375 | $ 13.4375

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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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