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Stockholders' Equity - Schedule of Dividends Paid Previously or Declared (Details) - $ / shares
3 Months Ended 12 Months Ended
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Dividends Per Share [Line Items]                    
Dividends paid per share   $ 0.28 $ 0.28 $ 0.28 $ 0.25 $ 0.25 $ 0.25 $ 0.25   $ 1.00
Forecast [Member]                    
Dividends Per Share [Line Items]                    
Dividends paid per share $ 0.28               $ 1.12