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Consolidated Statements of Equity Consolidated Statements of Equity (Parenthetical) - $ / shares
1 Months Ended 12 Months Ended
Oct. 31, 2014
Jul. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Statement of Stockholders' Equity [Abstract]        
Dividend on common stock (dollars per share) $ 0.05 $ 0.05 $ 0.24 $ 0.10