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Subsequent Events (Details) - $ / shares
Apr. 27, 2016
Mar. 18, 2016
Subsequent event    
Quarterly cash dividend declared (in dollars per share)   $ 0.125
Dividends payable date of record   Feb. 26, 2016
Subsequent event    
Subsequent event    
Quarterly cash dividend declared (in dollars per share) $ 0.125  
Dividends payable date declared Apr. 27, 2016  
Dividends payable date of record May 27, 2016  
Dividends payable date to be paid Jun. 17, 2016